US Pat. No. 9,208,371

LOW POWER NAVIGATION DEVICES, SYSTEMS AND METHODS

Synaptics Incorporated, ...

1. A method for conserving power during navigation using a fingerprint image sensor, comprising:
processing, via a computing device, fingerprint image sensor data indicative of finger position and movement with respect
to a fingerprint image sensor surface in a finger navigation mode to determine if the finger is in a first finger navigation
mode;

processing, via the computing device, fingerprint image sensor data indicative of finger position and movement with respect
to a fingerprint image sensor surface in a finger navigation mode to determine if the finger is in a second finger navigation
mode; and

transitioning, via the computing device, the fingerprint image sensor from a first power consumption mode to a second power
consumption mode, based on detecting a transition from the first finger navigation mode to the second finger navigation mode;

wherein the second navigation is indicated by the finger being detected to be steadily in contact with the linger sensor surface
and/or the sensed fingerprint image data being substantially redundant.

US Pat. No. 9,575,568

MULTI-FUNCTION KEYS PROVIDING ADDITIONAL FUNCTIONS AND PREVIEWS OF FUNCTIONS

Synaptics Incorporated, ...

17. A device, comprising:
a plurality of key assemblies, at least some of the plurality of key assemblies having a touch sensitive surface;
a display, coupled to a processing system for displaying information provided by the processing system; and
the processing system being coupled to the plurality of key assemblies and configured to:
determine whether a quantity of a first number of objects is greater than a single object, wherein the first number of objects
is simultaneously contacting a respective key assembly among the plurality of key assemblies;

determine whether the first number of objects simultaneously contacts the respective key assembly among the plurality of key
assemblies without producing a key depression of the respective key assembly among the plurality of key assemblies; and

provide, in response to determining that the first number of objects simultaneously contacting the respective key assembly
among the plurality of key assemblies failed to produce the key depression and the quantity of the first number of objects
is greater than the single object, a preview visual representation of a first response within the display, wherein the preview
visual representation shows an action taken when the respective key assembly among the plurality of key assemblies is pressed;
and

provide, in response to determining that the first number of objects produced the key depression, the first response within
the display.

US Pat. No. 9,063,608

SYSTEMS AND METHODS FOR SENSOR DEVICES HAVING A NON-COMMENSURATE NUMBER OF TRANSMITTER ELECTRODES

Synaptics Incorporated, ...

1. A processing system for an input device, the processing system comprising:
A transmitter module comprising transmitter circuitry, the transmitter module coupled to a plurality of transmitter electrodes
comprising a first set of transmitter electrodes and a second set of transmitter electrodes, wherein the first set of transmitter
electrodes and the second set of transmitter electrodes are disjoint and have different sizes;

wherein the transmitter module is configured to simultaneously transmit a first plurality of transmitter signals with the
first set of transmitter electrodes during a first period, and to simultaneously transmit a second plurality of transmitter
signals with the second set of transmitter electrodes during a second period, wherein the first period and the second period
are non-overlapping;

wherein, during the first period, each of the first plurality of transmitter signals is based on a different sequence of a
code, and, during the second period, each of the second plurality of transmitter signals is based on a different sequence
of the code, wherein the code comprises a set of mathematically independent sequences and has a size equal to the size of
the first set of transmitter electrodes;

a receiver module coupled to a plurality of receiver electrodes and configured to receive first resulting signals during the
first period and second resulting signals during the second period; and

a determination module configured to produce a plurality of demodulated signals based on the code, the first resulting signals,
and the second resulting signals, and to determine positional information for an input object in a sensing region of the input
device based on the demodulated signals.

US Pat. No. 9,063,575

DETECTING A GESTURE

Synaptics Incorporated, ...

1. A method for detecting a gesture comprising:
detecting a first input object, a second input object, and a movement of the first input object, a movement of the second
input object in a sensing region during a first time period;

detecting the first input object leaving the sensing region during a second time period, the second time period occurring
after the first time period;

detecting a third input object and movement for the third input object in the sensing region during a third time period, the
third time period occurring after the first time period and after the second time period, and the third input object only
detected after the first time period;

identifying a first gesture based on the movement of the first input object, the movement of the second input object, and
the movement of the third input object; and

outputting gesture information identifying the first gesture,
wherein the second input object remains in the sensing region for the first time period, the second time period, and at least
a portion of the third time period.

US Pat. No. 9,569,029

BASELINE MANAGEMENT WITH LARGE INPUT OBJECT DETECTION

Synaptics Incorporated, ...

1. A method for face detection management, the method comprising:
determining, for a first time, a presence of an input object in a sensing region of a capacitance input device,
wherein the presence is determined for the first time using a first baseline, and
wherein the input object satisfies a size threshold;
suppressing a reporting of capacitance input device during a predefined time period based on the presence of the input object;
determining a disabled state of a display of a host, wherein the disabled state is in response to determining the presence
of the input object for the first time;

determining, in response to an elapse of the predefined time period and for a second time, an absence of the input object
in the sensing region, wherein the absence of the input object is determined for the second time using a second baseline to
account for the disabled state of the display;

performing an action based on determining the absence of the input object.

US Pat. No. 9,383,861

SYSTEMS AND METHODS FOR IMAGE FILTERING IN SENSOR DEVICES

Synaptics Incorporated, ...

9. A sensor device comprising:
a plurality of transmitter electrodes;
a plurality of receiver electrodes;
a processing system communicatively coupled to the plurality of transmitter electrodes and the plurality of receiver electrodes,
the processing system configured to:

drive a plurality of transmitter electrodes with transmitter signals;
receive, with a plurality of receiver electrodes, resulting signals comprising effects corresponding to the transmitter signals;
produce, based on the resulting signals, a first sensor image comprising raw data; and
produce a transformed sensor image by applying a spatial filter to the raw data in the first sensor image, wherein the spatial
filter is a two-axis gradient sweep filter; and

determine at least one of positional information and a validity of a baseline for the input device based on the transformed
sensor image.

US Pat. No. 9,057,653

INPUT DEVICE WITH FORCE SENSING

Synaptics Incorporated, ...

1. An input device including a force sensor and a touchpad, the input device comprising:
a first force electrode disposed on a first substrate;
a second force electrode coupled to a second substrate, the second force electrode overlapping the first force electrode to
form a first variable capacitance;

a third force electrode disposed on the first substrate;
a fourth force electrode coupled to the second substrate, the fourth force electrode overlapping the third force electrode
to form a second variable capacitance;

a third substrate arranged between the first substrate and the second substrate with a first opening between at least a portion
of the first force electrode and at least a portion the second force electrode, and a second opening between at least a portion
of the third force electrode and at least a portion the fourth force electrode;

a transmission element physically coupled to the second substrate and configured such that force biasing the transmission
element causes the second force electrode to deflect relative to the first force electrode to thereby change the first variable
capacitance;

the touchpad comprising a first plurality of capacitive sensor electrodes disposed on the first substrate, the first plurality
of capacitive sensor electrodes configured to detect objects in a sensing region disposed between the first opening and the
second opening; and

a processing system conductively coupled to the first force electrode, the second force electrode, the third force electrode,
the fourth force electrode, and the first plurality of capacitive sensor electrodes, the processing system configured to determine
a first capacitance value of the first variable capacitance and a second capacitance value of the second variable capacitance,
the processing system being further configured to determine force information using the first and second capacitance values;

wherein the processing system is further configured to determine positional information of objects in the sensing region using
the first plurality of capacitive sensor electrodes.

US Pat. No. 9,442,650

SYSTEMS AND METHODS FOR DYNAMICALLY MODULATING A USER INTERFACE PARAMETER USING AN INPUT DEVICE

Synaptics Incorporated, ...

1. A system comprising an input device configured to determine positional and force information for input objects interacting
with a sensing region, the system configured to:
detect a variable force imparted to an input surface of the sensing region by at least one input object;
performing a dynamic modulation, within a modulation range, of a user interface parameter in response to the variable force
associated with the at least one input object;

detect, when the user interface parameter is at a first state from the dynamic modulation, an additional input object contacting
the input surface after starting the dynamic modulation of the user interface parameter; and

cease, in response to the additional input object contacting the input surface, the dynamic modulation of the user interface
parameter at the first state.

US Pat. No. 9,395,905

GRAPHICAL SCROLL WHEEL

Synaptics Incorporated, ...

1. A touch screen interface for an electronic system, the touch screen interface comprising:
a display screen;
a touch sensor proximate to the display screen, the touch sensor adapted to sense object motion in a sensing region, wherein
the sensing region overlaps at least part of the display screen; and

a processor, the processor coupled to the display screen and the touch sensor, wherein the processor is adapted to cause a
scroll wheel indicating a substantially circular scrolling path to appear on the display screen in response to the touch sensor
sensing object motion corresponding to a scrolling initiation gesture, and wherein the processor is further adapted to cause
scrolling in response to the touch sensor sensing, after sensing the object motion corresponding to the scrolling initiation
gesture, subsequent object motion along the substantially circular scrolling path;

wherein the subsequent object motion comprises a sliding object motion substantially following at least a portion of the substantially
circular scrolling path.

US Pat. No. 9,134,397

REDUCING BENDING EFFECTS IN TOUCH SENSOR DEVICES

SYNAPTICS INCORPORATED, ...

1. A capacitive image sensor for detecting an input object, comprising:
a first substrate;
a second substrate displaced from the first substrate;
a compressible region between the first substrate and the second substrate, wherein the first substrate is deflectable relative
to the second substrate between a first position in which the compressible region has a first thickness and a second position
in which the compressible region has a second thickness that is less than the first thickness;

a transmitter electrode disposed on the first substrate, the transmitter electrode configured to transmit a transmitter signal;
a receiver electrode disposed on the first substrate and configured to receive a resulting signal comprising effects corresponding
to the transmitter signal;

a bending effect electrode disposed on the first substrate and disposed between the transmitter electrode and the receiver
electrode;

one or more floating electrodes, the floating electrodes configured to increase electrical coupling between the transmitter
electrode and the receiver electrode; and

wherein when the first substrate is in the first position, a plurality of field lines associated with the resulting signal
extends from the transmitter electrode through the compressible region and terminates on the bending effect electrode, and
when the first substrate is in the second position, the plurality of field lines extends from the transmitter electrode through
the compressible region and terminates on the second substrate.

US Pat. No. 9,052,782

SYSTEMS AND METHODS FOR VOLTAGE GRADIENT SENSOR DEVICES

Synaptics Incorporated, ...

1. A processing system for an input device, the processing system comprising:
a transmitter module including transmitter circuitry, the transmitter module configured to drive a first end of a transmitter
electrode such that the transmitter electrode exhibits a first voltage gradient extending from the first end of the transmitter
electrode toward a second end of the transmitter electrode;

a receiver module including receiver circuitry, the receiver module configured to receive a first resulting signal with a
first receiver electrode and a second resulting signal with a second receiver electrode, wherein the first receiver electrode
and the second receiver electrode are proximate to corresponding discrete regions of the transmitter electrode; and

a determination module configured to compute a first measurement of a change in capacitive coupling between the transmitter
electrode and the first receiver electrode based on the first resulting signal, compute a second measurement of a change in
capacitive coupling between the transmitter electrode and the second receiver electrode based on the second resulting signal,
and determine a button response for an input object based on at least one of the first measurement and the second measurement.

US Pat. No. 9,466,236

DITHERING TO AVOID PIXEL VALUE CONVERSION ERRORS

SYNAPTICS INCORPORATED, ...

1. A method for processing an image, the method comprising:
receiving a plurality of input pixel values associated with a video;
determining that a first portion of pixel values included in the plurality of input pixel values is within a first set of
excluded values; and

dithering the first portion of pixel values to generate a first plurality of dithered values, wherein each dithered value
included in the first plurality of dithered values is not within the first set of excluded values, and a first average pixel
value associated with the plurality of input pixel values is substantially similar to a second average pixel value associated
with both the first plurality of dithered values and a plurality of pixel values that are spatially proximate to the first
plurality of dithered values, wherein the first set of excluded values is associated with perturbations in a pixel value mapping
that maps gray level values to values selected from the group consisting of voltage values, electrical current values, and
electrical charge values.

US Pat. No. 9,395,824

ACTIVE PEN WITH IMPROVED INTERFERENCE PERFORMANCE

Synaptics Incorporated, ...

1. A processing system for an input device, the processing system comprising:
a sensor module coupled to sensor circuitry and configured to receive a first carrier signal comprising a first frequency
and a second carrier signal comprising a second frequency broadcasted from an active pen,

wherein the first carrier signal is present for each 0 data bit and absent for each 1 data bit during packet transmission,
and

wherein the second carrier signal is present for each 1 data bit and absent for each 0 data bit during packet transmission;
and

a determination module configured to:
determine, based on the first carrier signal exceeding a power threshold, that the first carrier signal is boosted;
transition, in response to the first carrier signal being boosted, from a first state to a contact state;
reconstruct a first contact packet from the first carrier signal and the second carrier signal broadcasted by the active pen;
determine an attribute of the active pen using the first contact packet;
calculate an interference value corresponding to the first carrier signal broadcasted by the active pen;
determine that the interference value satisfies an interference metric; and
reconstruct, in response to the interference value for the first carrier signal satisfying the interference metric, a second
contact packet from only the second carrier signal broadcasted by the active pen although the first carrier signal is still
broadcasted by the active pen.

US Pat. No. 9,141,237

CAPACITIVE SENSING PATTERN

Synaptics Incorporated, ...

1. A capacitive input device comprising:
a plurality of receiver sensor electrodes oriented substantially parallel to a first axis proximate to a sensing region of
said capacitive input device; and

a plurality of transmitter sensor electrodes oriented substantially parallel to a second axis proximate to said sensing region
and configured to be capacitively coupled with said plurality of receiver sensor electrodes;

wherein at least one receiver sensor electrode of said plurality of receiver sensor electrodes is disposed in a configuration
forming multiple crossings with a line that is parallel to said second axis, said multiple crossings occurring proximate to
said sensing region.

US Pat. No. 9,052,766

MESH SENSOR DESIGN FOR REDUCED VISIBILITY IN TOUCH SCREEN DEVICES

SYNAPTICS INCORPORATED, ...

1. An input device comprising:
a display device having an array of pixels, each pixel comprising at least a first subpixel having a first color and a second
subpixel having a second color that is different than the first color; and

a plurality of sensor electrodes disposed over the display device and configured to sense objects in a sensing region of the
input device, wherein at least a first sensor electrode of the plurality of sensor electrodes further comprises:

a plurality of spaced apart conductive traces forming a conductive mesh, wherein mesh having a first periodicity defined by
intersections of the conductive traces forming the mesh;

a terminal portion of one of the conductive traces terminating at an edge of the first sensor electrode has an orientation
that is different than an orientation of a corresponding portion of the mesh defining the first periodicity; and wherein

a terminal end of the terminal portion of the conductive trace proximate the edge of the first sensor electrode laying over
a subpixel having the same color as a subpixel which the terminal end would lay over when the terminal portion had the same
orientation as the corresponding portion of the mesh defining the first periodicity.

US Pat. No. 9,483,151

SINGLE LAYER MULTI-TOUCH CAPACITIVE IMAGING SENSOR

SYNAPTICS INCORPORATED, ...

1. A capacitive image sensor, comprising:
a first array of sensor electrodes including electrodes of a first and second type, the first array of sensor electrodes disposed
on a surface of a substrate, the first type of sensor electrodes in the first array aligned in substantially a first direction
on the surface and the second type of sensor electrodes in the first array aligned in substantially the first direction, wherein
each electrode of the first type in the first array is positioned to capacitively couple to one of the sensor electrodes of
the second type in the first array;

a second array of sensor electrodes including electrodes of the first and second type, the second array of sensor electrodes
disposed on the surface of the substrate, the first type of sensor electrodes in the second array aligned in substantially
the first direction and the second type of sensor electrodes in the second array aligned in substantially the first direction,
wherein each of the electrodes of the first type in the second array is positioned to capacitively couple to one or more of
the sensor electrodes of the second type in the second array; and

wherein the second array of sensor electrodes is positioned a distance in a second direction from the first array of first
sensor electrodes, and the second direction is not parallel to the first direction, and

wherein at least one of the sensor electrodes of the second type in the first array is electrically coupled to at least one
of the sensor electrodes of the second type in the second array.

US Pat. No. 9,152,838

FINGERPRINT SENSOR PACKAGINGS AND METHODS

Synaptics Incorporated, ...

1. An electronic device user interface comprising:
a housing having side walls defining an open upper end having an overall dimension sized to fit into an electronic device;
a biometric sensor capable of sensing a target biometric parameter, wherein the housing includes a removable bottom plate
that attaches to the housing to support the biometric sensor, the biometric sensor comprising:

a sensor interface with a sensing side, wherein the sensor interface is capable of positioning within the open upper end of
the housing, and

a flexible circuit substrate that wraps around the removable bottom plate such that the removable bottom plate is positioned
between a first portion of the flexible circuit substrate and a second portion of the flexible circuit substrate within the
housing;

one or more of a button, a switch, a key, and a mechanism for triggering an event or controlling an operational aspect of
the electronic device; and

an integrated circuit in communication with the biometric sensor that is positionable within the electronic device and is
external to the housing.

US Pat. No. 9,417,738

UNTETHERED ACTIVE PEN AND A METHOD FOR COMMUNICATING WITH A CAPACITIVE SENSING DEVICE USING THE UNTETHERED ACTIVE PEN

Synaptics Incorporated, ...

1. A method for communicating with a capacitive sensing device using an untethered active pen comprising:
capacitively receiving a capacitive sensing signal at a capacitive receiving unit of said untethered active pen, said capacitive
sensing signal output from said capacitive sensing device;

determining a first frequency and a first phase associated with said capacitive sensing signal; and
transmitting at a second frequency and a second phase an amplified active pen signal at said capacitive sensing device from
said untethered active pen, said amplified active pen signal having said second frequency and said second phase corresponding
to said first frequency and said first phase, said amplified pen signal being a harmonic of said capacitive sensing signal.

US Pat. No. 9,323,698

SYSTEM AND METHOD FOR TRANSMITTING USB DATA OVER A DISPLAYPORT TRANSMISSION LINK

Synaptics Incorporated, ...

1. A method of transmitting data between a source device coupled to a sink device comprising:
transmitting data from the source device to the sink device at a first standard data rate over a unidirectional main link
comprising a plurality of main link lines;

receiving, while transmitting data from the source device to the sink device at the first standard data rate, data from the
sink device at the source device at a second standard data rate over a bidirectional auxiliary line that is physically separate
from the unidirectional main line, wherein the second standard data rate is slower than the first standard data rate;

receiving, at the source device, a first instruction to transmit data between the source device and the sink device at a modified
data rate;

transmitting, after receiving the first instruction, data from the source device to the sink device at the modified data rate
over a main link line of the plurality of main link lines, wherein the modified data rate is slower than the first standard
data rate; and

receiving, after receiving the first instruction and while transmitting data to the sink device over the main link line, data
from the sink device at the source device at the modified data rate over the bidirectional auxiliary line, wherein the modified
data rate is faster than the second standard data rate.

US Pat. No. 9,280,240

SYSTEM AND METHOD FOR FINITE ELEMENT IMAGING SENSOR DEVICES

Synaptics Incorporated, ...

1. A processing system for an input device, the processing system comprising:
a transmitter module including transmitter circuitry, the transmitter module configured to drive a first contact, a second
contact, and a third contact of a first transmitter electrode, wherein the first contact is disposed between the second contact
and the third contact, and the transmitter module is configured to produce a first voltage gradient between the first contact
and the second contact, the transmitter electrode comprising the first contact, the second contact, and the third contact,
and to produce a second voltage gradient between the first contact and the third contact;

a receiver module, the receiver module configured to receive, with a first receiver electrode, a first resulting signal comprising
effects of the first voltage gradient, and to receive, with a second receiver electrode, a second resulting signal comprising
effects of the second voltage gradient, wherein the first receiver electrode and the second receiver electrodes are distinct
from the first contact, the second contact, and the third contact; and

a determination module configured to determine positional information for a first input object located within a sensing region
based on the first resulting signal and the second resulting signal.

US Pat. No. 9,274,662

SENSOR MATRIX PAD FOR PERFORMING MULTIPLE CAPACITIVE SENSING TECHNIQUES

SYNAPTICS INCORPORATED, ...

1. An input device comprising:
a display device;
a plurality of sensor electrodes that establish a sensing region of the input device, wherein the plurality of sensor electrodes
are disposed on a same plane and form a grid, wherein the grid comprises multiple columns and rows, and wherein each column
and row includes multiple capacitive sensing pixels that each includes a first sensor electrode encircled by a second sensor
electrode; and

a processing system coupled to the plurality of sensor electrodes, the processing system is configured to:
perform absolute capacitive sensing during a first time period by driving, in each of the capacitive sensing pixels, a modulated
signal on at least one of the first sensor electrode of the plurality of sensor electrodes and the second sensor electrode
of the plurality of sensor electrodes,

perform transcapacitance sensing during a second time period by driving a transmitter signal onto the first sensor electrode
and measuring a resulting signal on the second sensor electrode in each of the capacitive sensing pixels; and

determine a change in capacitive coupling between at least one of the first and second sensor electrodes and the input object
in a hover detection mode and in a touch detection mode, wherein, when operating in the hover detection mode, the modulated
signal is driven on the first sensor electrode and, when operating in the touch detection mode, the modulated signal is driven
on the second sensor electrode.

US Pat. No. 9,252,651

HIGH VOLTAGE DRIVER USING MEDIUM VOLTAGE DEVICES

SYNAPTICS INCORPORATED, ...

1. A voltage drive circuit, comprising:
a first plurality of transistors connected in series between a first source node and an output node;
a plurality of voltage sources configured to provide a voltage to at least one of the first plurality of transistors; and
a plurality of capacitors coupled across gates of the first plurality of transistors, each capacitor configured to store charges
associated with changes at gates of the transistors, wherein the plurality of capacitors have capacitances selected to synchronize
voltage changes at the first plurality of transistors,

wherein the voltage drive circuit is configured to transition from a first steady state that provides a first voltage to a
second steady state that provides a second voltage;

wherein the plurality of capacitors are configured to store charges while transitioning from the first steady state to the
second steady state; and

wherein a difference between the first and second voltages is greater than a breakdown voltage of each of the first plurality
of transistors.

US Pat. No. 9,244,608

METHOD AND SYSTEM FOR GESTURE IDENTIFICATION

Synaptics Incorporated, ...

1. A method for gesture identification comprising:
determining a first gesture is performed on a surface sensing region, wherein the first gesture comprises at least one input
object;

determining a first action corresponding to the first gesture, the first action being a scroll of at least a portion of the
sensing region;

issuing, based on performing the first gesture, a first report reporting the first gesture and the first action;
determining, within a first predefined length of time subsequent to performing the first gesture, a presence of the at least
one input object in an above surface sensing region;

determining a second action corresponding to the first gesture and the at least one input object being in the above surface
sensing region within the predefined length of time,

wherein determining the second action comprises:
determining an ending position of the at least one input object on the surface sensing region at the end of the performance
of the first gesture;

determining an above surface position of the at least one input object during the performance of the second gesture; and
determining a slope between the ending position and the above surface position with respect to the surface sensing region,
the slope corresponding to a vertical distance divided by a horizontal distance between the ending position and the above
surface position, the horizontal distance being with respect to the surface sensing region,

wherein the second action is determined, based on the slope, to be a continuance of the scroll in the first action; and
issuing a second report reporting the second action.

US Pat. No. 9,235,309

MESH SENSOR DESIGN FOR REDUCED VISIBILITY IN TOUCH SCREEN DEVICES

SYNAPTICS INCORPORATED, ...

1. An input device comprising:
a display device having an array of pixels, each pixel comprising at least a first subpixel having a first color and a second
subpixel having a second color that is different than the first color; and

a plurality of sensor electrodes disposed on a viewing side of the display device and configured to sense objects in a sensing
region of the input device, wherein at least a first sensor electrode of the plurality of sensor electrodes further comprises:

a plurality of spaced apart conductive traces forming a conductive mesh having a first periodicity defined by intersections
of the conductive traces forming the mesh;

a terminal portion of one of the conductive traces terminating at an edge of the first sensor electrode having an attached
light occluding element

wherein the attached light occluding element is disposed over a subpixel having the same color as a subpixel which an intersecting
trace would lay over when the intersection occurs in an interior region of the sensor electrode.

US Pat. No. 9,092,082

METHODS AND APPARATUS FOR MOUNTING A TOUCH SENSOR DEVICE

Synaptics Incorporated, ...

1. A touch sensor device assembly configured to be mechanically coupled to an electronic system having a casing and an input
surface, the touch sensor device assembly comprising:
a touch sensor device; and
a deformable material disposed directly on the touch sensor device, the deformable material having a non-adhesive surface;
wherein the non-adhesive surface of the deformable material is configured to be compressed against and to conform to an interior
surface of the casing by a holding element such that the touch sensor device is held stationary with respect to the casing,
resulting in a compressed deformable material layer having a uniform dielectric value between the touch sensor device and
the input surface of the electronic system.

US Pat. No. 9,591,764

TOUCH PAD WITH FLEXIBLE SUBSTRATE

Synaptics Incorporated, ...

1. A sensor device comprising:
a flexible circuit substrate that is dimensionally stable up to a first temperature;
a first plurality of conductive pads disposed on the flexible circuit substrate;
a touch controller affixed to the flexible circuit substrate and coupled to the first plurality of conductive pads via a first
plurality of conductors;

a flexible sensor substrate that is dimensionally stable up to a second temperature that is lower than the first temperature,
wherein the flexible sensor substrate is not dimensionally stable at the first temperature;

a second plurality of conductive pads disposed on the flexible sensor substrate, wherein at least one of the first plurality
of conductive pads is coupled to at least one of the second plurality of conductive pads; and

a first plurality of capacitive sensing elements disposed on the flexible sensor substrate and coupled to the second plurality
of conductive pads via a second plurality of conductors.

US Pat. No. 9,274,643

CAPACITIVE CHARGE MEASUREMENT

Synaptics Incorporated, ...

1. A circuit for measuring a capacitive charge, said circuit comprising:
a latched comparator, wherein said latched comparator comprises:
an input coupled with a sensor electrode of a capacitive input device;
an output; and
an inverted version of the output coupled with a feedback loop, said feedback loop configured to provide feedback to said
input to maintain said input at a predetermined voltage, wherein said feedback is provided in clocked charge quanta steps
based on a clock signal; and

a determination module coupled with said output and configured to determine a change in capacitance on said sensor electrode
by equating output signals from said output with an amount of charge provided to said input to reach said predetermined voltage.

US Pat. No. 9,195,339

SYSTEM AND METHOD FOR DETERMINING OBJECT INFORMATION USING AN ESTIMATED RIGID MOTION RESPONSE

Synaptics Incorporated, ...

1. A capacitive sensor device comprising:
an input surface contactable by input objects in a sensing region;
at least one sensing electrode configured to capacitively couple with input objects in the sensing region; and
a processing system communicatively coupled to the at least one sensing electrode, the processing system configured to:
obtain a set of sensor values using the at least one sensing electrode;
determine an estimated rigid motion response associated with a substantially rigid motion of the at least one sensing electrode
using the set of sensor values, the substantially rigid motion caused by at least one object in contact with the input surface,
wherein the processing system, when determining the estimated rigid motion response, at least partially accounts for effects
of capacitive coupling between the at least one sensor electrode and the at least one object in contact with the input surface;
and

determine object information using the estimated rigid motion response, the object information being related to the at least
one object in contact with the input surface and comprising at least one of a force estimate and a position estimate.

US Pat. No. 9,189,880

RENDERING AND DISPLAYING A THREE-DIMENSIONAL OBJECT REPRESENTATION

Synaptics Incorporated, ...

1. A touch screen controller for an electronic system, said electronic system comprising said touch screen controller, a host
processing system physically distinct from said touch screen controller, a display screen, and a proximity sensor element,
said touch screen controller comprising:
proximity sensor control circuitry implemented by said touch screen controller and configured to operate said proximity sensor
element to sense input objects in a sensing region of said electronic system;

a rendering module implemented by said touch screen controller and configured to render three-dimensional object representations
for display on said display screen, wherein said representations are rendered independently from a rendering of a primary
image processed by said host processing system; and

display refresh circuitry implemented by said touch screen controller and configured to update said display screen said primary
image processed by said host processing system and with said three-dimensional object representation rendered by said rendering
module.

US Pat. No. 9,285,934

SHIELDING WITH DISPLAY ELEMENTS

SYNAPTICS INCORPORATED, ...

1. A display device, comprising:
a plurality of transmitter electrodes configured to be driven for capacitive sensing and having a first transmitter electrode
and a second transmitter electrode;

a plurality of receiver electrodes;
a plurality of conductive electrodes in a thin-film-transistor (TFT) layer of the display device;
a processing system coupled to the plurality of transmitter electrodes, the plurality of receiver electrodes, and the plurality
of conductive electrodes, wherein the processing system is configured to:

drive the first transmitter electrode with a transmitter signal;
electrically float the second transmitter electrode while driving the first transmitter electrode;
while driving the first transmitter electrode, at least one of:(i) drive at least one of the plurality of conductive electrodes
with a first signal; and (ii) electrically float at least one of the plurality of conductive electrodes; and

receive resulting signals with the plurality of receiver electrodes, the resulting signals comprising effects corresponding
to the transmitter signal.

US Pat. No. 9,274,553

FINGERPRINT SENSOR AND INTEGRATABLE ELECTRONIC DISPLAY

Synaptics Incorporated, ...

1. A sensor system comprising:
an electronic device display comprising:
a display module configured to provide a visible display, and
a cover glass, configured to protect the display module, positioned above the display module;
a protective layer positioned above the cover glass of the electronic device display, wherein the protective layer has a thickness
of approximately 1 mm or less and is configured to provide an interface for a finger to interact with the sensor system;

a fingerprint sensor, positioned between the cover glass of the electronic device display and the protective layer; and
a controller coupled to the fingerprint sensor, configured to control the fingerprint sensor to capture a parameter of a fingerprint.

US Pat. No. 9,218,927

TOUCHSURFACE ASSEMBLY WITH LEVEL AND PLANAR TRANSLATIONAL RESPONSIVENESS VIA A BUCKLING ELASTIC COMPONENT

Synaptics Incorporated, ...

1. A key assembly, comprising:
a keycap;
a base; and
an elastic component coupled to the keycap and the base, the elastic component disposed between the keycap and the base, the
elastic component supporting the keycap away from the base in an unpressed position, and directionally buckling during movement
of the keycap toward a pressed position responsive to a press force;

wherein the press force moves the keycap in a press direction perpendicular to the base toward the pressed position, and the
directionally buckling of the elastic component allows the keycap to move in a second direction orthogonal to the press direction;
and

wherein the elastic component moves the keycap toward the unpressed position after release of the press force.

US Pat. No. 9,213,372

RETRACTABLE KEYBOARD KEYS

Synaptics Incorporated, ...

14. A keyboard, comprising:
a bezel having a plurality of key openings and a plurality of key holding features configured adjacent to the plurality of
key openings on a bottom side of the bezel;

a plurality of keycaps each positioned within a respective one of the plurality of key openings and each having a touch surface
for receiving a press force that moves the keycap from an unpressed position toward a pressed position, the unpressed position
and pressed position separated in a press direction and a second direction orthogonal to the press direction;

a chassis having a plurality of ramp features each interacting with ramp contacting features of a respective one of the plurality
of keycaps to guide the respective keycap in the press direction and the second direction as the keycap moves from the unpressed
position toward the pressed position, the chassis also including a plurality of inverted ramp features each interacting with
inverted ramp contacting features of a respective one of the plurality of keycaps; and

a key retraction mechanism configured to cause movement between the chassis and the bezel;
wherein the key holding features of the bezel are configured to limit movement of the keycaps in the second direction in response
to movement of the chassis relative to the bezel while the inverted ramps and inverted ramp contacting features move the plurality
of keycaps toward a retracted position.

US Pat. No. 9,128,713

METHOD AND CIRCUIT TO OPTIMIZE N-LINE LCD POWER CONSUMPTION

SYNAPTICS INCORPORATED, ...

1. A method for updating a display device, the method comprising:
driving a first voltage on a first source line in the display device using an amplifier in a source driver, wherein the source
driver comprises a first amplifier stage coupled to a second amplifier stage, wherein the second amplifier stage comprises
the amplifier;

after decoupling the source driver from the first source line, disabling the amplifier;
while the amplifier is disabled, coupling the source driver to a second source line in the display device, wherein the second
source line was previously charged to a latent voltage, wherein the latent voltage alters a charge stored in precharge circuitry
that comprises a capacitive element used to compensate the amplifier, wherein a first end of the capacitive element is directly
coupled to a node between an output of the first amplifier stage and an input of the second amplifier stage and a second end
of the capacitive element is directly coupled to an output of the amplifier; and

after altering the charge, enabling the amplifier such that the output of the amplifier drives a second voltage on the second
source line.

US Pat. No. 9,444,454

DYNAMICALLY RECONFIGURABLE CAPACITIVE SENSOR ARRAY

Synaptics Incorporated, ...

1. A keyboard input device comprising:
a plurality of key assemblies configured to be pressed by an input object, wherein each of the plurality of key assemblies
comprises a keycap and a capacitive sensor, wherein each capacitive sensor disposed underneath each keycap for said each key
assembly; and

a processing system communicatively coupled to the plurality of key assemblies and configured to:
selectively operate said each capacitive sensor of said each key assembly in a first mode for near field detection and a second
mode for far field detection, wherein the first mode operates said each capacitive sensor of said each key assembly in a fine
pitch configuration and determines a first variable capacitance, and the second mode operates said each capacitive sensor
of said each key assembly in a coarse pitch configuration and determines a second variable capacitance,

determine, for said each key assembly of the plurality of key assemblies and from the first variable capacitance, a keycap
motion of the keycap of said each key assembly, and

determine a finger presence proximate to the keycap of said each key assembly from the second variable capacitance,
wherein the fine pitch configuration, of said each capacitive sensor of said each key assembly, comprises an inter-digitated
pattern of alternating parallel transmitter and receiver electrodes, and the coarse configuration, of said each capacitive
sensor of said each key assembly, comprises at least a first subset of adjacent transmitter electrodes and at least a second
subset of adjacent receiver electrodes.

US Pat. No. 9,268,435

SINGLE LAYER CAPACITIVE SENSOR AND CAPACITIVE SENSING INPUT DEVICE

Synaptics Incorporated, ...

1. A single-layer capacitive sensor comprising:
a user input region comprising:
a plurality of transmitter electrodes within said user input region; and
a plurality of receiver electrodes disposed in a common stackup layer with said transmitter electrodes within said user input
region such that said transmitter electrodes and said receiver electrodes make no crossings of one another in said common
stackup layer or in any other layer within said user input region; and

a border region proximate to and outside of said user input region and located along one side edge of said user input region,
said border region comprising:

a plurality of routing traces extending from said border region into said user input region from said one side edge to couple
with said transmitter electrodes and said receiver electrodes; and

a plurality of transmission traces disposed entirely within said border region, wherein said transmission traces are configured
for transmitting a signal for receipt by one or more routing traces of said plurality of routing traces.

US Pat. No. 9,251,329

BUTTON DEPRESS WAKEUP AND WAKEUP STRATEGY

Synaptics Incorporated, ...

1. A biometric authentication system comprising:
a biometric image sensor configured to sense biometric characteristics of an object while the object being sensed is operating
a mechanical switch of a host electronic device, the operating of the mechanical switch providing at least one of input and
control to the host electronic device; and

wake on event logic cooperating with at least one of the biometric image sensor and the host electronic device and configured
to at least delay a response by at least one of the biometric image sensor and the host electronic device that increases power
consumption beyond that needed for performance of a bona fides analysis mode during which the authentication system performs
analysis of bona fides of the object being sensed while operating the mechanical switch prior to accessing previously stored
biometric enrollment data, with a positive completion of the bona fides analysis determining that the object being sensed
is a biometric object desired to be sensed to perform a user authentication,

wherein the wake on event logic is configured to complete a wake on event power-up or power-on sequence for at least one of
the biometric image sensor and the host electronic device in response to a positive outcome of the bona fides analysis, and

wherein the bona fides analysis comprises an analysis of at least a partial biometric object image captured by the biometric
image sensor.

US Pat. No. 9,134,827

SYSTEM AND METHOD FOR MATHEMATICALLY INDEPENDENT SIGNALING IN GRADIENT SENSOR DEVICES

Synaptics Incorporated, ...

1. A processing system for an input device, the processing system comprising:
a transmitter module including a first transmitter and a second transmitter,
wherein the first transmitter is configured to drive a first end of a transmitter electrode with a first drive signal comprising
a first plurality of voltage transitions and the second transmitter is configured to drive a second end of the transmitter
electrode with a second drive signal comprising a second plurality of voltage transitions,

wherein the first drive signal and the second drive signal are configured to be driven simultaneously and to produce a voltage
gradient across the transmitter electrode,

wherein the first drive signal and the second drive signal are mathematically independent, and
wherein the first drive signal is different from the second drive signal;
a receiver module, the receiver module configured to receive a resulting signal with a receiver electrode, the resulting signal
comprising effects of the voltage gradient; and

a determination module configured to determine positional information for an input object based on the resulting signal.

US Pat. No. 9,384,919

TOUCHSURFACE ASSEMBLY HAVING KEY GUIDES FORMED IN A SHEET METAL COMPONENT

Synaptics Incorporated, ...

1. A key assembly, comprising:
a sheet metal component having ramps formed therein,
wherein the ramps comprise compound folds; and
a keycap having ramp contacting features and a touchsurface for receiving a press force that moves the keycap toward a pressed
position,

wherein the ramp contacting features contact at least one of the ramps while the keycap moves toward the pressed position,
the ramps guiding the keycap to move in a second direction orthogonal to the press direction as the keycap moves from the
unpressed position toward the pressed position.

US Pat. No. 9,377,888

SYSTEM AND METHOD FOR MEASURING INDIVIDUAL FORCE IN MULTI-OBJECT SENSING

Synaptics Incorporated, ...

1. In an input device of the type comprising a sensor configured to sense input objects in a sensing region of the input device,
the sensing region overlapping an input surface, and a plurality of force sensors configured to measure a force applied to
the input surface;
a processing system communicatively coupled to the sensor and the plurality of force sensors and configured to:
determine a position for each of the input objects contacting the input surface;
determine a force measured by each of the plurality of force sensors; and
determine a force applied by each of the input objects contacting the input surface based on the determined position for each
input object and the determined force measured by each of the plurality of force sensors.

US Pat. No. 9,367,191

SYSTEM AND METHOD FOR DETERMINING USER INPUT USING POLYGONS

Synaptics Incorporated, ...

1. A processing system for use with a capacitive input device configured to sense objects in a sensing region, the processing
system configured to:
identify a portion of an image of sensor values as corresponding to at least one sensed object in the sensing region;
determine a polygon corresponding to the identified portion of the image by:
identifying a first pixel within the identified portion of the image;
identifying a second pixel adjacent to the first pixel and external to the identified portion of the image, wherein the first
pixel and the second pixel share an edge; and

determining a first vertex of the polygon by comparing a sensor value of the first pixel within the identified portion of
the image with at least a sensor value of the second pixel external to the identified portion of the image,

wherein the first vertex is not on the edge shared by the first pixel and the second pixel;
calculate a centroid of the polygon;
determine a characterization of the at least one sensed object based on the polygon; and
track motion of the at least one sensed object based on the centroid.

US Pat. No. 9,324,515

TOUCHSURFACE ASSEMBLY UTILIZING MAGNETICALLY ENABLED HINGE

Synaptics Incorporated, ...

1. A key assembly comprising:
a base;
a keycap;
a magnet physically coupled to the base near to the keycap; and
a keycap coupler having a first portion magnetically coupled to the magnet and a second portion cantilevered from the magnet
and supporting the keycap in an unpressed position,

wherein the second portion of the keycap coupler includes a section that extends through an opening in the base,
wherein the second portion of the keycap coupler is longer than the first portion of the keycap coupler, and
wherein when a press force applied to the keycap overcomes a magnetic force pulling the keycap coupler toward the magnet,
the keycap coupler pivots away from the magnet to allow the keycap to move toward a pressed position.

US Pat. No. 9,262,010

SYSTEMS AND METHODS FOR REDUCING EFFECTS OF INTERFERENCE IN INPUT DEVICES

Synaptics Incorporated, ...

28. An input device comprising:
a first plurality of first sensor electrodes, each of the first plurality of first sensor electrodes arranged to extend in
a first axis;

a second plurality of second sensor electrodes, each of the second plurality of second sensor electrodes arranged to extend
in a second axis substantially perpendicular to the first axis, where the first plurality of first sensor electrodes and the
second plurality of second sensor electrodes are configured to capacitively detect input objects in a sensing region;

a processing system operatively coupled to the first plurality of first sensor electrodes and the second plurality of second
sensor electrodes, the processing system comprising circuitry configured to:

selectively transmit transmitter signals with the first plurality of first sensor electrodes;
selectively modulate the first plurality of first sensor electrodes;
selectively capture first resulting signals with the second plurality of second sensor electrodes, wherein the first resulting
signals comprise effects corresponding to the transmitter signals, and wherein the first resulting signals are captured on
a set by set basis with each set corresponding to one of the first plurality of first sensor electrodes and each of the second
plurality of second sensor electrodes, and where each set is captured substantially simultaneously; and

selectively capture second resulting signals with the first plurality of first sensor electrodes, wherein the second resulting
signals comprise effects corresponding to the selective modulating of the first plurality of first sensor electrodes; and

generate a first image of measured sensor values from the first resulting signals, the first image of measured sensor values
having first errors associated with unison noise and the set by set basis in which the first resulting signals are captured,
the first errors having a corresponding first global error and each of the first errors comprising an offset between a measured
sensor value and a true sensor value;

generate a first profile of measured sensor values from the second resulting signals;
generate a modified image of sensor values based on the first image of measured sensor values and the first profile of measured
sensor values, the modified image of sensor values having a global error that is smaller than the first global error; and

determine positional information for an input object in the sensing region based on the modified image of sensor values.

US Pat. No. 9,244,581

MODULATED POWER SUPPLY FOR REDUCED PARASITIC CAPACITANCE

SYNAPTICS INCORPORATED, ...

1. A processing system comprising:
a sensor module configured to drive a plurality of sensor electrodes with a modulated capacitive sensing signal that is based
on a modulated reference signal for capacitive sensing during a first time period; and

a display driver module configured to drive a plurality of display electrodes of a display device with modulated signals based
on the modulated reference signal during the first time period,

wherein the plurality of display electrodes and the plurality of sensor electrodes have a substantially constant voltage differential
during the first time period.

US Pat. No. 9,188,675

SYSTEM AND METHOD FOR SENSING MULTIPLE INPUT OBJECTS WITH GRADIENT SENSOR DEVICES

Synaptics Incorporated, ...

1. A gradient sensor device comprising:
a transmitter electrode;
a receiver electrode; and
a processing system communicatively coupled to the transmitter electrode and the receiver electrode, the processing system
configured to:

drive the transmitter electrode with a first drive signal to produce a first voltage gradient across the transmitter electrode,
wherein the first voltage gradient is non-linear;

drive the transmitter electrode with a second drive signal to produce a second voltage gradient;
drive the transmitter electrode with a third drive signal to produce a third voltage gradient;
drive the transmitter electrode with a fourth drive signal to produce a fourth voltage gradient;
receive a resulting signal with the receiver electrode, the resulting signal comprising effects of the first voltage gradient,
the second voltage gradient, the third voltage gradient, and the fourth voltage gradient; and

determine positional information for a plurality of input objects located simultaneously within a sensing region along the
transmitter electrode based on the resulting signal,

wherein the first voltage gradient, the second voltage gradient, the third voltage gradient, and the fourth voltage gradient
each have a shape corresponding to a respective polynomial of degree greater than or equal to one, and

wherein at least two of the degrees of the respective polynomials are different.

US Pat. No. 9,354,264

TRANSCAPACITIVE SENSOR DEVICES WITH SEAMS

Synaptics Incorporated, ...

1. A processing system for a transcapacitive sensing device comprising a plurality of sensor electrodes sectioned by a seam,
wherein said plurality of sensor electrodes comprises a plurality of transmitter electrodes intersecting a plurality of receiver
electrodes, said processing system comprising:
a first sensor electrode integrated circuit (SEIC) communicatively coupled to a first subset of said plurality of sensor electrodes;
a second sensor electrode integrated circuit (SEIC) communicatively coupled to a second subset of said plurality of sensor
electrodes, wherein said first SEIC and said second SEIC are configured to operate said plurality of sensor electrodes in
synchrony to transmit with said plurality of transmitter electrodes a set of transmitter signals and receive with said plurality
of receiver electrodes a set of responses corresponding to said set of transmitter signals, wherein said first SEIC comprises
a first receiver circuit configured to provide a first value proportional to a first response of said set of responses, and
wherein said second SEIC comprises a second receiver circuit configured to provide a second value proportional to a second
response of said set of responses; and

memory configured for storing calibration information, said calibration information configured for adjusting said first value
to produce a first adjusted value, wherein a first proportionality of said first adjusted value to said first response is
substantially equal to a second proportionality of said second value or an adjusted second value to said second response.

US Pat. No. 9,349,552

TOUCHPAD WITH CAPACITIVE FORCE SENSING

Synaptics Incorporated, ...

1. An input device comprising:
a touchsurface;
a sensor board coupled to the touchsurface, the sensor board including a capacitive touch sensor configured to detect positions
of one or more input objects proximate to the touchsurface, the sensor board further including one or more capacitive force-sensing
strips disposed proximate an edge of the sensor board;

a planar spring plate including a perimeter region surrounding a planar interior region, the planar interior region configured
to be mechanically coupled to the sensor board and the perimeter region including a return mechanism configured to be coupled
to a housing; and

a mounting device mechanically coupled to the planar interior region and the sensor board, wherein the mounting device forms
a defined gap between the planar interior region and the sensor board,

wherein the mounting device is configured to maintain the defined gap at a fixed distance between the planar interior region
and the sensor board,

wherein the planar interior region of the planar spring plate is configured to move downwardly relative to the perimeter region
and to the housing in response to a force applied to the touchsurface by the one or more input objects, and further wherein
the perimeter region remains fixed relative to the housing in response to the force applied to the touchsurface by the one
or more input objects,

wherein the one or more capacitive force-sensing strips and the perimeter region of the planar spring plate define a capacitive-sensing
gap for a capacitive force sensor, such that the force applied to the touchsurface deflects the planar interior region of
the planar spring plate relative to the return mechanism and changes a capacitance in the capacitive-sensing gap, and

wherein the planar interior region of the planar spring plate returns to a planar position with the perimeter region of the
planar spring plate upon removal of the applied force.

US Pat. No. 9,317,158

BASELINE MANAGEMENT FOR INPUT DEVICES

SYNAPTICS INCORPORATED, ...

1. A processing system for an input device, comprising:
a sensor module comprising sensor circuitry, the sensor module coupled with a plurality of sensor electrodes, and configured
to:

acquire a plurality of sensing frames comprising a first sensing frame of a first frame type, a second sensing frame of a
second frame type different than the first frame type, and a third sensing frame of the second frame type,

form a first differential frame relating the first and second frame types based on a comparison of the first sensing frame
with the second sensing frame, and

form a first normalized frame of the first frame type based on a comparison of the first differential frame with the third
sensing frame; and

a determination module configured to compare the first normalized frame with a baseline frame.

US Pat. No. 9,195,354

DEVICE AND METHOD FOR LOCALIZED FORCE AND PROXIMITY SENSING

Synaptics Incorporated, ...

1. An input device comprising:
a first plurality of sensor electrodes disposed in a first layer and configured to detect input objects at an input surface
of the input device, the first plurality of sensor electrodes including a first subset of transmitter electrodes;

a second plurality of sensor electrodes configured to toggle between a grounded state and a force receiver state, detect a
force imparted to the input surface, and configured for capacitive coupling with the first subset of transmitter electrodes;

a compressible dielectric configured to compress in response to force applied to the input surface; and
a processing system communicatively coupled to the first plurality of sensor electrodes and the second plurality of sensor
electrodes and configured to:

drive a sensing signal onto the first subset of transmitter electrodes;
receive a first type of resulting signal from the second plurality of sensor electrodes;
receive a second type of resulting signal from a second subset of the first plurality of sensor electrodes; and
determine positional and force information for an input object based on the first type of resulting signal and the second
type of resulting signal,

wherein the first type of resulting signal is received from the second plurality of sensor electrodes while the second subset
of the first plurality of sensor electrodes is at a predetermined constant voltage, and the second type of resulting signal
is received from the second subset of the first plurality of sensor electrodes while the second plurality of sensor electrodes
is at the predetermined constant voltage, and

wherein the capacitive coupling between the first subset of transmitter electrodes and the second plurality of sensor electrodes
varies in response to the applied force.

US Pat. No. 9,177,191

FINGERPRINT SENSING ASSEMBLIES AND METHODS OF MAKING

Synaptics Incorporated, ...

1. A fingerprint sensing module comprising:
a sensor substrate having a sensor substrate sensing side surface on one side of the substrate configured to receive a finger
contact in a finger contact region of the sensor substrate sensing side and a sensor substrate circuit side surface on the
opposite side of the substrate from the sensor substrate sensing side;

an image sensor including conductive traces formed on the sensor substrate circuit side surface of the sensor substrate, in
the finger contact region of the sensor substrate, wherein the sensor substrate intermediate the sensor substrate sensing
side surface and the sensor substrate circuit side surface insulates the conductive traces from a finger of a user during
the finger contact in the finger contact region of the sensor substrate; and

a sensor circuit including at least one integrated circuit separated from the image sensor conductive traces of the image
sensor in the finger contact region of the sensor substrate structure and electrically connected to the conductive traces
of the image sensor in the finger contact region of the sensor substrate circuit side.

US Pat. No. 9,176,621

FLEXIBLE TIMING AND MULTIPLEXING FOR A DISPLAY DEVICE COMPRISING AN INTEGRATED CAPACITIVE SENSING DEVICE

SYNAPTICS INCORPORATED, ...

1. A processing system coupled to transmitter electrodes and receiver electrodes, the processing system comprising:
a driver module coupled to the transmitter electrodes, each of the transmitter electrodes comprising one or more common electrodes
configured for display updating and touch detection,

wherein the driver module is configured to simultaneously drive a first one of the transmitter electrodes with a first signal
and second one of the transmitter electrodes with a second signal, wherein the first signal and the second signal are based
on different codes of a plurality of distinct digital codes, wherein each of the distinct digital codes is substantially mathematically
independent from each other, and wherein the driver module is configured to drive the first and second signals when display
updating is inactive;

a polarity shifter configured to selectively invert the first signal relative to the second signal during a first time period;
a receiver module coupled to the receiver electrodes, the receiver module configured to receive, using the receiver electrodes,
resulting signals based on the first and second signals; and

a determination module configured to generate demodulated output signals by demodulating the resulting signals based on the
distinct digital codes and to determine positional information for an input object at least partially based on the demodulated
output signals.

US Pat. No. 9,081,457

SINGLE-LAYER MUTI-TOUCH CAPACITIVE IMAGING SENSOR

SYNAPTICS INCORPORATED, ...

1. A capacitive imaging sensor, comprising:
a first array of first sensor electrodes disposed on a surface of a substrate, wherein each of the first sensor electrodes
comprise a first electrode region, and each of the first electrode regions are aligned in a first direction that is parallel
to the surface;

a first array of second sensor electrodes disposed on the surface of the substrate, wherein each of the second sensor electrodes
comprise a second electrode region, and each of the first electrode regions in the first array of first sensor electrodes
are positioned to directly capacitively couple to at least a portion of a second sensor electrode in the first array of second
sensor electrodes;

a second array of first sensor electrodes disposed on the surface of the substrate, wherein each of the first electrode regions
of the first sensor electrodes in the second array are aligned in the first direction; and

a second array of second sensor electrodes disposed on the surface of the substrate, wherein each of the first electrode regions
in the second array of first sensor electrodes are positioned to directly capacitively couple to at least a portion of a second
sensor electrode in the second array of second sensor electrodes,

wherein the second array of first sensor electrodes are positioned a distance in a second direction from the first array of
first sensor electrodes, and the second direction is not parallel to the first direction, and

wherein the first array of first sensor electrodes and the second array of first sensor electrodes are disposed on the surface
of the substrate between the first array of second sensor electrodes and the second array of second sensor electrodes, and
at least one second sensor electrode in the first array of second sensor electrodes is electrically coupled to at least one
second sensor electrode in the second array of second sensor electrodes.

US Pat. No. 9,324,301

CAPACITIVE SENSING DURING NON-DISPLAY UPDATE TIMES

SYNAPTICS INCORPORATED, ...

1. A processing system for a display device comprising an integrated capacitive sensing device, the processing system comprising:
a driver module comprising driver circuitry, the driver module configured to drive a plurality of sensor electrodes for capacitive
sensing, wherein each of the plurality of sensor electrodes comprises at least one common electrode of a plurality of common
electrodes, the plurality of common electrodes configured to be driven for display updating and capacitive sensing during
a display frame, wherein the display frame comprises a plurality of display line update periods, a first blanking period,
a second blanking period and a third blanking period, wherein the first blanking period and the second blanking period occur
before a last one of the plurality of display line update periods and the third blanking period occurs after the last one
of the plurality of display line update periods and before a first display line update period of a second display frame and
wherein a duration of the second blanking period is at least as long as one of the plurality of display line updates and is
longer than the first blanking period.

US Pat. No. 9,223,449

BLACK IMAGE INSERTION FOR CAPACITIVE SENSING

SYNAPTICS INCORPORATED, ...

1. A method comprising:
transmitting a first display image for display on a first portion of a display screen of a display device;
transmitting a black image for display on the first portion of the display screen after outputting the first display image,
wherein the black image comprises a plurality of contiguous display lines of the display screen;

identifying a transmitter electrode located substantially within the first portion of the display screen; and
driving, using a processor, a signal used for capacitive sensing on the identified transmitter electrode to determine positional
information only upon determining that the black image is displayed in the first portion of the display screen.

US Pat. No. 9,454,278

WEIGHTING FOR DISPLAY NOISE REMOVAL IN CAPACITIVE SENSORS

Synaptics Incorporated, ...

1. A processing system for a capacitive sensing input device, said processing system comprising:
a sensor module configured to acquire a plurality of capacitive resulting signals by operating a plurality of sensor electrodes
for capacitive sensing; and

a determination module configured to:
weight values of said plurality of capacitive resulting signals to achieve a plurality of weighted capacitive resulting signals,
wherein a first capacitive resulting signal of said plurality of capacitive resulting signals is weighted according to a weighted
noise parameter derived from a component of a variable noise associated with a respective sensor electrode used for acquisition
of said first capacitive resulting signal, wherein said variable noise varies across said plurality of sensor electrodes;
and

determine positional information for an least input object in a sensing region of the capacitive sensing input device based
on resulting signals processed from said weighted capacitive resulting signals,

wherein said determination module is further configured to:
filter said weighted capacitive resulting signals to remove common noise and to achieve a plurality of filtered capacitive
resulting signals; and

de-weight said filtered capacitive resulting signals according to said weighted noise parameters to achieve a plurality of
processed capacitive resulting signals.

US Pat. No. 9,372,587

METHODS AND APPARATUS FOR ARRANGING ELECTRODE LAYERS AND ASSOCIATED ROUTING TRACES IN A SENSOR DEVICE

Synaptics Incorporated, ...

1. A capacitive input device, comprising:
a substrate;
a plurality of receiver sensor electrodes disposed proximate a top surface of the substrate and extending along a first direction;
a plurality of transmitter sensor electrodes disposed proximate a bottom surface of the substrate and extending along a second
direction different from the first direction; and

a plurality of routing traces coupled to the plurality of transmitter sensor electrodes, each routing trace being configured
to extend along the first direction between respective sensor electrodes of the plurality of receiver sensor electrodes, and
to extend along the second direction underneath the plurality of transmitter sensor electrodes.

US Pat. No. 9,348,477

METHODS AND SYSTEMS FOR DETECTING A POSITION-BASED ATTRIBUTE OF AN OBJECT USING DIGITAL CODES

Synaptics Incorporated, ...

1. A method of capacitive sensing with a position sensor, the method comprising:
simultaneously transmitting a first modulation signal with a first transmit electrode and a second modulation signal with
a second transmit electrode, wherein the first and modulation signal and the second modulation signal are distinct modulation
signals based on different distinct digital codes of a plurality of distinct digital codes and a carrier signal, and further
wherein at least one distinct digital code of the plurality of distinct digital codes indicates driven and un-driven states;

receiving a resultant signal from a receive electrode, wherein the resultant signal comprises electrical effects associated
with the first modulation signal and the second modulation signal; and

determining a first position of a first object and a second position of a second object based on the electrical effects resultant.

US Pat. No. 9,330,632

CAPACITIVE SENSING DURING NON-DISPLAY UPDATE TIMES

SYNAPTICS INCORPORATED, ...

1. A processing system for a display device comprising an integrated capacitive sensing device, the processing system comprising:
a driver module comprising driver circuitry, the driver module coupled to a plurality of sensor electrodes, wherein each of
the plurality of sensor electrodes comprises at least one common electrode of a plurality of common electrodes configured
to be driven for updating a display of a display device and capacitive sensing during a display frame, wherein the display
frame comprises a plurality of display line update periods, a first plurality of blanking periods and a second plurality of
blanking periods, wherein each of the second plurality of blanking periods occurs between respective pairs of the plurality
of display line update periods, and wherein each of the second plurality of blanking periods is longer than each of the first
plurality of blanking periods; and

wherein the driver module is configured to drive a first sensor electrode of the plurality of sensor electrodes for capacitive
sensing during a first one of the second plurality of blanking periods.

US Pat. No. 9,310,951

CHARGE DISTRIBUTION

Synaptics Incorporated, ...

1. A processing system for an input device comprising:
a receiver module comprising a first charge integrator coupled to a first sensor electrode and configured to integrate a charge
on said first sensor electrode; and

a charge distributor comprising:
a current conveyor; and
a plurality of output stages coupled to the current conveyor, wherein a first output stage of the plurality of output stages
comprises a plurality of current mirrors and is configured to output a first scaled mirrored charge to offset said charge
integrated by said first charge integrator, wherein said first scaled mirrored charge is based on a charge signal provided
via said current conveyor.

US Pat. No. 9,244,566

BASELINE MANAGEMENT FOR INPUT DEVICES

SYNAPTICS INCORPORATED, ...

1. A processing system for an input device, the processing system comprising:
a sensor module comprising sensor circuitry and configured to:
couple with a plurality of sensor electrodes, the plurality of sensor electrodes including a plurality of common electrodes
configured for capacitive sensing and for updating a display device; and

acquire, using the plurality of sensor electrodes, first and second sensing frames at a first frame rate;
a determination module configured to compare the first sensing frame with a first baseline frame and to compare the second
sensing frame with a second baseline frame, wherein the first sensing frame and the first baseline frame are of a first frame
type and the second sensing frame and the second baseline frame are of a second frame type different than the first frame
type; and

a display module configured to:
couple with the plurality of common electrodes; and
update, using the plurality of common electrodes, the display device at a second frame rate, wherein the first frame rate
is greater than the second frame rate.

US Pat. No. 9,182,432

CAPACITANCE MEASUREMENT

Synaptics Incorporated, ...

1. A method of capacitance measurement with a differential amplifier having an output and differential first and second inputs,
said method comprising:
opening a switch disposed between a sensor electrode and said second input of said differential amplifier to initiate a reset
phase where said sensor electrode and said differential amplifier are decoupled;

resetting a feedback capacitance to a first level of charge, said feedback capacitance disposed between said second input
and said output;

closing said switch to initiate a measurement phase where said second input and said sensor electrode are coupled, said measurement
phase comprising;

balancing charge between said sensor electrode and said feedback capacitance such that a sensor electrode voltage equals a
voltage of said first input equals a voltage of said second input, and said sensor electrode is charged to a value proportional
to its capacitance and said voltage of said second input; and

utilizing said differential amplifier to integrate charge on said sensor electrode, such that an absolute capacitance is measured;
opening said switch after said measurement phase to initiate a second occurrence of said reset phase; and
resetting said feedback capacitance to a second level of charge during said second occurrence of said reset phase, wherein
said first and second levels of charge are different.

US Pat. No. 9,164,930

MULTI-DEVICE DOCKING WITH A DISPLAYPORT COMPATIBLE CABLE

Synaptics Incorporated, ...

1. A docking system, comprising:
a single DisplayPort (DP) input;
a first video monitor output;
a second video monitor output;
a management layer module coupled to receive a video input signal in a video input signal format from the single DP input,
and configured to:

provide a first video output signal in a video output signal format, including at least part of the video input signal, to
the first video monitor output,

convert at least part of the video input signal from the video input signal format to a converted video output signal format
to create a second video output signal, and

provide the second video output signal to the second video monitor output; and
a Universal Serial Bus (USB) layer module coupled to receive an auxiliary (AUX) channel from the single DP input and operatively
connecting the AUX channel with a USB hub, wherein the USB hub (i) is co-located with both the USB layer module and the management
layer module in the docking system, and (ii) is physically separate from a monitor.

US Pat. No. 9,460,329

SYSTEM, DEVICE AND METHOD FOR SECURING A USER DEVICE COMPONENT BY AUTHENTICATING THE USER OF A BIOMETRIC SENSOR BY PERFORMANCE OF A REPLICATION OF A PORTION OF AN AUTHENTICATION PROCESS PERFORMED AT A REMOTE COMPUTING LOCATION

Synaptics Incorporated, ...

1. A system, comprising:
a biometric sensor that senses a biometric image of a biometric of a user and transmits biometric data corresponding to the
biometric image to a host computing device and to receives from the host computing device authentication information relating
to results of the host computing device performing a plurality of authentication steps on the biometric data to authenticate
the user as identified by the biometric data, wherein the plurality of authentication steps comprises producing a first result
at the host computing device by comparing a template extracted by the host computing device from a first portion of the biometric
data to a stored template stored by the host computing device;

a memory, at the biometric sensor, that retains a second portion but not all of the biometric data; and
a processor, at the biometric sensor, configured to validate at least one and not all of the plurality of authentication steps
performed by the host computing device, utilizing the authentication information received by the biometric sensor from the
host computing device by comparing a template extracted by the biometric sensor from the second portion of the biometric data
retained by the biometric sensor and corresponding to the first portion utilized by the host computing device, to produce
a second result, and comparing by the biometric sensor the first result with the second result.

US Pat. No. 9,442,598

DETECTING INTERFERENCE IN AN INPUT DEVICE HAVING ELECTRODES

Synaptics Incorporated, ...

1. A method for detecting interference in an input device, the method comprising:
driving a transmitter signal onto a transmitter sensor electrode of the input device;
receiving a resulting signal from a receiver sensor electrode of the input device;
resetting accumulator circuitry associated with an amplifier at a start of a first half of a sensing cycle;
sampling a first value associated with the resulting signal during the first half of the sensing cycle,
wherein the accumulator circuitry accumulates the first value during the first half of the sensing cycle;
resetting the accumulator circuitry at a start of a second half of the sensing cycle;
sampling a second value associated with the resulting signal during the second half of the sensing cycle,
wherein the accumulator circuitry accumulates the second value during the second half of the sensing cycle, and
wherein the first value and the second value are each a different single voltage level;
generating an interference value based on the first value and the second value;
determining, based on the first value and the second value, an input in a sensing region of the input device;
comparing the interference value to a noise threshold;
generating a comparison between a rail voltage range of the amplifier and at least one selected from a group consisting of
the first value and the second value; and

issuing a first flag in response to the comparison.

US Pat. No. 9,137,438

BIOMETRIC OBJECT SENSOR AND METHOD

Synaptics Incorporated, ...

1. A biometric image sensor comprising:
a first light source having a first wavelength ?1;

a second light source having a second wavelength ?2;

a photodetector configured and positioned to receive light of the first wavelength ?1 and light of the second wavelength ?2 reflecting from a biometric object being imaged and to produce a first reflectivity output indicative of the amount of reflectance
of the light of the first wavelength ?1 and a second reflectivity output indicative of the amount of reflectance of the light of the second wavelength ?2; and

a computing device configured to compare the difference between the first reflectivity output and the second reflectivity
output with an authenticity threshold.

US Pat. No. 9,495,046

PARASITIC CAPACITANCE FILTER FOR SINGLE-LAYER CAPACITIVE IMAGING SENSORS

SYNAPTICS INCORPORATED, ...

1. A computer-implemented method of sensing a position of an input object, comprising:
determining a first pixel response of a first pixel covered at least partially by an input object;
determining a second pixel response of a second pixel covered at least partially by the input object;
determining a third pixel response of a third pixel, wherein the first pixel, the second pixel, and the third pixel are disposed
within a capacitive sensing region of a touch sensor device;

based on at least the first pixel response and the second pixel response, identifying a position of the input object within
the capacitive sensing region;

based on the position of the input object, determining that the input object is positioned near a first trace, wherein the
first trace is associated with the third pixel;

calculating an updated third pixel response by:
generating a pixel response line segment between the first pixel and the second pixel by interpolating a line across a distance
between the first pixel and the second pixel using information received from the first pixel response and the second pixel
response,

calculating a number of traces between the first pixel and the second pixel, wherein a length of the pixel response line segment
is related to the number of traces disposed between the first pixel and the second pixel, and wherein the location of the
first trace is between the first pixel and the second pixel,

calculating a difference between the first pixel response and the second pixel response,
calculating a slope of the pixel response line segment by dividing the difference by the number of traces between the first
pixel and the second pixel,

calculating a correction amount based on a location of the first trace along the pixel response line segment, and
removing the correction amount from the third pixel response, the correction amount being based on the determination that
the input object is positioned near the first trace.

US Pat. No. 9,298,325

PROCESSING SYSTEM FOR A CAPACITIVE SENSING DEVICE

SYNAPTICS INCORPORATED, ...

1. A processing system for a capacitive sensing device, the processing system comprising:
a sensor module comprising sensor circuitry coupled to a plurality of sensor electrodes and a grid electrode, the sensor module
configured to:

drive and receive with each of the plurality of sensor electrodes to simultaneously acquire measurements of changes in absolute
capacitance between each of the plurality of sensor electrodes and an input object;

selectively operate the grid electrode in a first mode and a second mode, wherein during at least one of the first mode and
the second mode the grid electrode is configured to substantially isolate a first sensor electrode of the plurality of sensor
electrodes from a second sensor electrode of the plurality of sensor electrodes; and

wherein the processing system is configured to determine positional information for the input object in a sensing region of
the capacitive sensing device based on the measurements of changes in absolute capacitance,

wherein selectively operating the grid electrode in the first mode and the second mode comprises operating the grid electrode
in the second mode when the input object is determined to be in a second region of the sensing region and in the first mode
when the input object is determined to be in a first region of the sensing region, wherein the first region of the sensing
region is between the second region and an input surface of the sensing device.

US Pat. No. 9,298,299

MULTI-SENSOR TOUCH INTEGRATED DISPLAY DRIVER CONFIGURATION FOR CAPACITIVE SENSING DEVICES

SYNAPTICS INCORPORATED, ...

1. An integrated control system for use in an integrated input device comprising a display device integrated with a sensing
device, the control system comprising:
an integrated controller comprising:
display circuitry coupled to a plurality of source driver output pads, wherein the source driver output pads are configured
to transfer a display updating signal to a display within the input device; and

capacitive sensing circuitry coupled to a plurality of capacitive sensing pads that are configured to transfer capacitive
sensing signals during a capacitive sensing operation performed by the input device,

wherein each of the plurality of capacitive sensing pads and the driver output pads are arranged in an order in a first direction,
and the order includes at least one of the plurality of capacitive sensing pads that is disposed between two source driver
output pads.

US Pat. No. 9,465,532

METHOD AND APPARATUS FOR OPERATING IN POINTING AND ENHANCED GESTURING MODES

Synaptics Incorporated, ...

1. A method of operating an electronic system comprising a sensor device configured to detect object motion in a sensing region
and a display screen configured to provide a visual display, the method comprising:
operating in a pointing mode, wherein the electronic system is configured to recognize a type of sliding input in the sensing
region as a type of pointing command while in the pointing mode, and wherein the type of pointing command is for interacting
with the visual display;

changing from the pointing mode to an enhanced gesturing mode in response to recognizing a characteristic object motion in
the sensing region, wherein the characteristic object motion differs from the type of sliding input;

operating in the enhanced gesturing mode in response to changing from the pointing mode to the enhanced gesturing mode, wherein
the electronic system is configured to recognize the type of sliding input in the sensing region as a gesture command while
in the enhanced gesturing mode, and wherein the gesture command is selectively associated with an action based on a locality
of the electronic system, wherein the type of sliding input recognized as the gesture command while in the enhanced gesture
mode is a same type of sliding input as the type of sliding input recognized as the pointing command while in the pointing
mode, and wherein the type of sliding input comprises a lateral movement in the sensing region;

changing a representation in the visual display of a path of the sliding input at least in response to changing from the pointing
mode to the enhanced gesturing mode; and

producing the action in response to recognizing the sliding input as the gesture command.

US Pat. No. 9,367,189

COMPENSATING FOR SOURCE LINE INTERFERENCE

SYNAPTICS INCORPORATED, ...

1. An input device comprising a display device having an integrated capacitive sensing device, the input device comprising:
a plurality of source lines;
a plurality of routing traces coupled to a plurality of sensor electrodes; and
a processing system coupled to the plurality of source lines and the plurality of routing traces, the processing system configured
to:

update a first sub-pixel coupled to a first source line included in the plurality of source lines by driving the first source
line with a first voltage;

drive one or more routing traces included in the plurality of routing traces with a second voltage, wherein the second voltage
is an inverted version of the first voltage;

receive resulting signals from at least one sensor electrode included in the plurality of sensor electrodes via the one or
more routing traces while the one or more routing traces are driven with the second voltage; and

determine positional information based on the resulting signals.

US Pat. No. 9,207,801

FORCE SENSING INPUT DEVICE AND METHOD FOR DETERMINING FORCE INFORMATION

Synaptics Incorporated, ...

1. An electronic system comprising:
a capacitive input device comprising:
an input surface configured to rotate about a first axis, and
a first force sensor configured to sense a force applied to the input surface;
a processing system communicatively coupled to the capacitive input device, the processing system configured to:
determine positional information for each of at least one input object in contact with the input surface;
receive a force measurement from the first force sensor;
determine a force measurement for a first input object of the at least one input objects based upon a position of the first
input object, the force measurement from the first force sensor and a location of the first force sensor relative to the first
axis; and

determine a type of user input based upon the determined force measurement for the at least one input object.

US Pat. No. 9,465,482

DISPLAY GUARDING TECHNIQUES

Synaptics Incorporated, ...

1. An input device comprising:
a plurality of sensor electrodes each comprising at least one of a plurality of common electrodes of a display, wherein the
plurality of common electrodes are configured for display updating and capacitive sensing;

a plurality of display electrodes; and
a processing system coupled to the plurality of sensor electrodes and the plurality of display electrodes, the processing
system is configured to:

drive a modulated signal onto a first sensor electrode of the plurality of sensor electrodes to acquire a change of capacitance
during a first period, and

operate a first display electrode of the plurality of display electrodes in a guard mode to mitigate an effect of a coupling
capacitance between the first sensor electrode and the first display electrode during the first period, wherein mitigating
the effect of the coupling capacitance comprises maintaining a constant voltage difference between the first sensor electrode
and the first display electrode during the first period.

US Pat. No. 9,436,325

ACTIVE PEN FOR MATRIX SENSOR

SYNAPTICS INCORPORATED, ...

1. An input device comprising:
a plurality of sensor electrodes organized into a plurality of sets; and
a processing system configured to drive the plurality of sensor electrodes with modulated signals having a first frequency,
wherein the processing system comprises:

a first plurality of receivers coupled to the plurality of sensor electrodes, wherein the first plurality of receivers are
configured to obtain first resulting signals comprising effects corresponding to the modulated signals;

a second plurality of receivers, wherein each receiver of the second plurality of receivers is coupled to an associated set
of the plurality of sensor electrodes and configured to obtain second resulting signals comprising effects corresponding to
active signals having a second frequency, wherein the first plurality of receivers and the second plurality of receivers are
disjoint sets of receivers; and

a multiplexor coupled to the second receiver and to the associated set of the plurality of sensor electrodes associated with
the second receiver, wherein the multiplexor is configured to select a sensor electrode from the associated set of sensor
electrodes;

wherein the processing system is configured to demodulate the first resulting signals based on the first frequency of the
modulated signals and the second resulting signals based on the second frequency, wherein the second frequency is different
than the first frequency, and is further configured to determine first positional information for a first input object based
on the demodulation of the first resulting signals and second positional information for a second input object based on the
demodulation of the second resulting signals.

US Pat. No. 9,372,584

MITIGATING ELECTRODE INTERFERENCE IN AN INTEGRATED INPUT DEVICE

SYNAPTICS INCORPORATED, ...

1. An input device comprising a display device having an integrated capacitive sensing device, the input device comprising:
a plurality of sensor electrodes comprising:
a first sensor electrode set including a first common electrode set of a plurality of common electrodes;
a second sensor electrode set including a second common electrode set of the plurality of common electrodes; and
a third sensor electrode set including a third common electrode set of the plurality of common electrodes;
a plurality of gate electrodes;
a gate selector coupled to the plurality of gate electrodes and configured to select each gate electrode to update a corresponding
display line of the display device, wherein a first gate electrode corresponds to a first display line, a second gate electrode
corresponds to a second display line, and a third gate electrode corresponds to a third display line; and

a processing system coupled to the plurality of common electrodes, the processing system configured to:
drive the first sensor electrode set for capacitive sensing during a first sensor electrode set sensing period;
drive the second sensor electrode set for capacitive sensing during a second sensor electrode set sensing period;
drive the third sensor electrode set for capacitive sensing during a third sensor electrode set sensing period;
update the first display line during a first display update period of a display frame by driving a common electrode of the
first common electrode set when the gate selector selects the first gate electrode;

update the second display line during a second display update period of the display frame by driving a common electrode of
the second common electrode set when the gate selector selects the second gate electrode; and

update the third display line during a third display update period of the display frame by driving a common electrode of the
third common electrode set when the gate selector selects the third gate electrode,

wherein a sensor electrode of the first sensor electrode set that is driven last during the first sensor electrode set sensing
period and a sensor electrode of the second sensor electrode set that is driven first during the second sensor electrode set
sensing period are spatially non-sequential sensor electrodes, the first display update period and the first sensor electrode
set sensing period are non-consecutive and non-overlapping, the second display update period and the second sensor electrode
set sensing period are non-consecutive and non-overlapping, and the third display update period and the third sensor electrode
set sensing period are non-consecutive and non-overlapping, and

wherein the first sensor electrode set sensing period occurs twice during the display frame and the first display update period,
the second display update period, and the third display update period occur once during the display frame.

US Pat. No. 9,304,625

SYNCHRONIZING A SWITCHED POWER SUPPLY

SYNAPTICS INCORPORATED, ...

1. An electronic device comprising: a power management controller configured to provide power to both a display controller
configured to update a display screen and a touch controller configured to detect interaction between an input object and
a sensing region, wherein the power management controller is configured to communicate with the display and touch controllers
to adjust a switching frequency of a power supply to be synchronous with display timing and touch timing, wherein a first
switching period of the power supply used when performing capacitive sensing is an integer multiple of a duration of a plurality
of repeated touch events, and wherein a second switching period of the power supply used when updating the display screen
is an integer multiple of the duration of a plurality of repeated display events, wherein the first switching period is different
from the second switching period.

US Pat. No. 9,411,458

SYSTEM AND METHOD FOR DETERMINING INPUT OBJECT INFORMATION FROM PROXIMITY AND FORCE MEASUREMENTS

Synaptics Incorporated, ...

1. A processing system for use with an input device of the type including a sensing region overlapping an input surface, and
an array of sensor electrodes configured to form a plurality of proximity pixels and a plurality of force pixels, the processing
system communicatively coupled to the array of sensor electrodes and configured to:
determine a proximity image indicative of positional information for input objects in the sensing region, based on a variable
capacitance associated with each of the plurality of proximity pixels;

determine a force image indicative of local deflection of the input surface in response to a force applied by the input objects,
based on a variable capacitance associated with each of the plurality of force pixels;

determine, from the proximity image, a group of proximity pixels for each input object in the sensing region to obtain a plurality
of determined groups of proximity pixels;

determine, from the force image, a group of force pixels for each determined group of proximity pixels in the plurality of
determined groups of proximity pixels to obtain a plurality of determined groups of force pixels; and

determine the force for at least one input object based on the plurality of determined groups of force pixels.

US Pat. No. 9,690,397

SYSTEM AND METHOD FOR DETECTING AN ACTIVE PEN WITH A MATRIX SENSOR

SYNAPTICS INCORPORATED, ...

1. A processing system, comprising:
display circuitry configured to drive display signals onto a plurality of display electrodes for updating a display; and
sensor circuitry configured to communicate with a plurality of sensor electrodes, the plurality of sensor electrodes comprising
first and second sensor electrodes and a first grid electrode disposed between the first and second sensor electrodes, wherein
the plurality of sensor electrodes includes at least one of the plurality of display electrodes, wherein the sensor circuitry
is configured to:

in a first mode of operation, operate a first portion of the plurality of sensor electrodes to receive an active input signal
from an active input device, the first portion comprising the first grid electrode, and

in a second mode of operation, operate a second portion of the plurality of sensor electrodes to receive input from a passive
input device, the first and second portions including at least the first grid electrode in common, wherein operating the second
portion comprises:

receiving, using at least one of the first and second sensor electrodes and while driving the first grid electrode with a
guarding signal, resulting signals corresponding to a driven capacitive sensing signal, wherein the guarding signal comprises
a varying voltage signal having at least one of a similar phase, frequency, and amplitude as the driven capacitive sensing
signal.

US Pat. No. 10,042,488

THROUGH SILICON VIAS FOR BACKSIDE CONNECTION

SYNAPTICS INCORPORATED, ...

1. An integrated circuit (IC) die configured to be disposed on a first substrate, comprising:a semiconductor substrate having a plurality of metal layers formed over a first side of the semiconductor substrate;
active circuitry disposed between the semiconductor substrate and the plurality of metal layers, wherein the active circuitry is coupled to the plurality of metal layers and comprises:
at least one keep out region;
a capacitive sensing device; and
a display driver device, wherein the capacitive sensing device and the display driver device are configured to operate electrodes disposed on the first substrate;
laser-drilled vias disposed through the semiconductor substrate, wherein a first one of the laser-drilled vias is disposed within the at least one keep-out region of the active circuitry;
metal contacts disposed on first metal pads disposed along at least a front side of the IC die, wherein the first metal pads comprise first exposed parts of a top layer of the plurality of metal layers, and communicatively couple the active circuitry with the metal contacts;
metal interconnects disposed between second metal pads and the laser-drilled vias within a perimeter of the IC die, the second metal pads comprising second exposed parts of the top layer of the plurality of metal layers, wherein the metal interconnects at least partially fill the laser-drilled vias, are in contact with and electrically connected to the second metal pads, and are ohmically isolated from the first metal pads;
back side contacts disposed on a back side of the IC die and within the perimeter of the IC die, the back side contacts comprising exposed portions of the metal interconnects in the laser-drilled vias, wherein the metal interconnects electrically couple the back side contacts with the active circuitry; and
a flexible circuit soldered to the back side contacts, the flexible circuit communicatively coupled to the active circuitry via the back side contacts and the second metal pads.

US Pat. No. 9,946,391

SENSING OBJECTS USING MULTIPLE TRANSMITTER FREQUENCIES

Synaptics Incorporated, ...

1. A processing system comprising:a sensor module coupled to a plurality of sensor electrodes, the sensor module configured to:
drive the plurality of sensor electrodes with first sensing signals at a strict subset of a plurality of frequencies, and
drive the plurality of sensor electrodes with second sensing signals at a remaining subset of the plurality of frequencies; and
a determination module configured to:
obtain, concurrently with the driving of the plurality of sensor electrodes with the first sensing signals, a first plurality of measurement values that are based on effects of the first sensing signals,
identify, from the first plurality of measurement values, a first input object in a sensing region that is less than a first size threshold indicating possible resonance of the first input object,
obtain, concurrently with the driving of the plurality of sensor electrodes with the second sensing signals, a second plurality of measurement values that are based on effects of the second sensing signals, and a resonance of a pen in the sensing region,
wherein the first input object is the pen, wherein the plurality of sensor electrodes are driven with the second sensing signals at the remaining subset in response to identifying the first input object in the sensing region that is less than the first size threshold,
determine a delta frequency image between the first plurality of measurement values and the second plurality of measurements values, wherein the delta frequency image comprises, for each location of a plurality of locations, a difference between a first measurement value in the first plurality of measurement values and a second measurement value in the second plurality of measurement values, the first measurement value and the second measurement value corresponding to the location,
determine a resonating state of the pen based on the first plurality of measurement values and the second plurality of measurement values,
determine positional information for the pen in the resonating state from the delta frequency image, wherein the delta frequency image suppresses noise and a second input object that is present in the sensing region and is in a non-resonating state, and
report the resonating state of the pen.

US Pat. No. 9,811,205

VARIABLE TIME ANTI-ALIASING FILTER

Synaptics Incorporated, ...

1. A processing system for a capacitive sensing input device, said processing system comprising:
a charge integrator;
a circuit element having a first resistance, said circuit element disposed in series with an input of said charge integrator;
and

a first switch coupled with the circuit element and configured to alter said first resistance to a second resistance when
selectively closed during at least a portion of an integration phase of said charge integrator,

wherein said second resistance is lower than said first resistance,
wherein said first switch is one of a plurality of other switches coupled with said circuit element,
wherein said plurality of other switches are configured to open and close to alter said circuit element to a plurality of
resistances in addition to said first resistance and said second resistance,

wherein at least two of said plurality of other switches are configured to be closed proximate a beginning portion of said
integration phase, and

wherein said at least two of said closed switches are opened in succession, later in said integration phase, such that said
circuit element is stepped up through a plurality of discrete resistances to said first resistance during said integration
phase.

US Pat. No. 9,098,139

SENSING AND DEFINING AN INPUT OBJECT

Synaptics Incorporated, ...

1. An input device comprising:
a display;
a plurality of sensor electrodes configured to detect an input object in a sensing region of said input device, wherein said
sensing region overlaps said display; and

a processing system coupled with said plurality of sensor electrodes, said processing system configured for:
acquiring a capacitive image from said plurality of sensor electrodes; and
correlating a part of said capacitive image with at least one input object template image to determine a type of an input
object interacting with said input device.

US Pat. No. 9,684,482

MULTI-MONITOR DISPLAY SYSTEM

Synaptics Incorporated, ...

21. A multi-media display system, comprising: a source; a plurality of electronic paper compatible displays; and a DisplayPort-compatible
multi-monitor receiver coupled between the source and the plurality of electronic paper compatible displays, the multi-monitor
receiver comprising: a SERDES receiver, the SERDES receiver configured to: receive image data from a number of input lanes;
and filter the image data based on the number of input lanes to obtain filtered image data, wherein the SERDES receiver comprises
a CRPLL configured to recover a link symbol clock embedded in the image data; and a de-framer coupled to the SERDES receiver,
and to an image buffer and splitter, and configured to: unpack the filtered image data to obtain unpacked image data; and
provide to the image buffer and splitter, based on the unpacked image data, a data enable signal, a horizontal sync signal,
a vertical sync signal, and a data stream comprising the image data; a master control unit (MCU) configured to receive configuration
data from each of the electronic paper compatible displays on an auxiliary channel; the image buffer and the splitter coupled
to the receiver and configured to: receive the data enable signal, the horizontal sync signal, the vertical sync signal, and
the data stream; receive the configuration data from the MCU; split the image data into a plurality of portions based on pixel
sizes and orientations of the electronic paper compatible displays included in the received configuration data; generate a
plurality of new a data enable signals, a plurality of new horizontal sync signals, a plurality of new vertical sync signals,
and a plurality of new data streams, wherein: each portion of a plurality of portions of the image data is associated with
one of the plurality of new a data enable signals, one of the plurality of new horizontal sync signals, and one of the plurality
of new vertical sync signals, and each new data stream of the plurality of new data streams comprises one of the plurality
of portions of the image data; and provide to each output driver of a plurality output drivers one new data enable signal
of the plurality of data enable signals, one new horizontal sync signal of the plurality of horizontal sync signals, one new
vertical sync signal of the plurality of vertical sync signals, and one new data stream of the plurality of new data streams;
the plurality of output drivers coupled between the image buffer and splitter and the plurality of electronic paper compatible
displays, each of the plurality of output drivers configured to provide one portion of the plurality of portions of the image
data to a corresponding electronic paper display.

US Pat. No. 9,182,837

METHODS AND SYSTEMS FOR IMPLEMENTING MODAL CHANGES IN A DEVICE IN RESPONSE TO PROXIMITY AND FORCE INDICATIONS

Synaptics Incorporated, ...

1. A method of processing user input to an input device having a touch surface, force sensor and a proximity sensor, the method
comprising the steps of:
receiving a force indication indicating a force applied by an object to the touch surface from the force sensor and a proximity
indication indicating proximity of the object to the touch surface from the proximity sensor;

selectively operating in a first operating mode and a hold mode, wherein in the first operating mode detected trigger events
that comprise only proximity indications evoke a response by the device, and wherein in the hold mode detected trigger events
that comprise only proximity indications do not evoke the response by the device; and

switching the device from the hold mode to the first operating mode in response to an occurrence of user input being indicated
by both the force and proximity indications at a substantially coincident time.

US Pat. No. 9,176,633

SENSOR DEVICE AND METHOD FOR ESTIMATING NOISE IN A CAPACITIVE SENSING DEVICE

Synaptics Incorporated, ...

1. A processing system configured to sense an input object in a sensing region of a sensing device, the processing system
comprising:
a transmitter module coupled to a first transmitter electrode and a second transmitter electrode and configured to simultaneously
apply a first transmitter signal to the first transmitter electrode and a second transmitter signal to the second transmitter
electrode, wherein the first transmitter signal is based on a first one of a plurality of distinct codes and the second transmitter
signal is based on a second one of the plurality of distinct codes; and

a receiver module comprising receiver circuitry coupled to a first receiver electrode and configured to receive a first resulting
signal with the first receiver electrode, the first resulting signal comprising effects corresponding to the first and second
transmitter signals and a noise component;

wherein the processing system is configured to determine an estimate of the noise component using a third one of the plurality
of distinct codes which is not associated with a transmitter signal.

US Pat. No. 9,582,112

LOW GROUND MASS ARTIFACT MANAGEMENT

Synaptics Incorporated, ...

1. A processing system for a capacitive sensing device, the processing system comprising:
a sensor module configured to be coupled to a plurality of transmitter electrodes and a plurality of receiver electrodes,
the sensor module configured to transmit transmitter signals with the plurality of transmitter electrodes and receive a plurality
of resulting signals with the plurality of receiver electrodes, the plurality of resulting signals comprising effects corresponding
to the transmitter signals; and

a determination module configured to:
determine a plurality of response values from the plurality of resulting signals,
determine a first adjusted response value by applying a negative multiplier to a first response value of the plurality of
response values, when the first response value is a negative value,

apply a positive multiplier to a second response value to obtain a second adjusted response value,
determine positional information for a first input object based on at least one of the first adjusted response value and the
second adjusted response value of the plurality of response values, when the second response value is a positive response
value, and

report the positional information,
wherein the absolute value of the negative multiplier is less than the positive multiplier.

US Pat. No. 9,449,768

STABILIZATION TECHNIQUES FOR KEY ASSEMBLIES AND KEYBOARDS

Synaptics Incorporated, ...

1. A key assembly, comprising:
a keycap having a touch surface for receiving a press force that moves the keycap from an unpressed position toward a pressed
position, the unpressed position and pressed position separated in a press direction and a second direction orthogonal to
the press direction;

a base having a planar-translation effecting mechanism comprising a ramp, the ramp supporting the keycap to guide the keycap
in the press direction and the second direction as the keycap moves from the unpressed position toward the pressed position;
and

a stabilizing wire coupled to the base, the stabilizing wire configured to transfer motion from a first side of the keycap
to a second side of the keycap so that the touch surface remains substantially planar while the keycap moves from the unpressed
position toward the pressed position,

wherein the stabilizing wire resists tilt of the keycap and rotation of the keycap about an axis in the press direction as
the keycap moves toward the pressed position.

US Pat. No. 9,190,997

CAPACITIVE SENSOR INTERFERENCE DETERMINATION

Synaptics Incorporated, ...

1. A processing system for a capacitive input device, wherein said capacitive input device comprises a plurality of sensor
electrodes configured to detect input objects in a sensing region, said processing system configured to:
transmit a signal on a transmitter sensor channel of said capacitive input device;
receive said signal on a receiver sensor channel of said capacitive input device, wherein said receiver sensor channel is
coupled with an amplifier; and

determine a level of interference received by said receiver sensor channel in conjunction with receipt of said signal by using
a current amplifier to examine a magnitude of an output current of said amplifier and comparing said magnitude to a reference
current to detect said interference.

US Pat. No. 9,652,072

FULL IN-CELL SENSOR

SYNAPTICS INCORPORATED, ...

1. A processing system for a display device having an integrated sensing device, the processing system comprising:
a driver module comprising driver circuitry, the driver module configured to couple to a plurality of sensor electrodes, wherein
the plurality of sensor electrodes comprise an array of rectangles including at least one transmitter electrode and at least
one receiver electrode, and configured to:

drive a first sensor electrode of the plurality of sensor electrodes for absolute capacitive sensing during a first period
to acquire first resulting signals; and

drive a second sensor electrode of the plurality of sensor electrodes with a varying voltage signal during a second period
to reduce the capacitive coupling between the second sensor electrode and at least one other sensor electrode of the plurality
of sensor electrodes,

wherein the first period and the second period are at least partially overlapping;
wherein the second sensor electrode comprises a second transmitter electrode and the at least one other sensor electrode comprises
a receiver electrode;

wherein each of the plurality of sensor electrodes comprises at least one of a plurality of common electrode segments configured
to be driven for display updating and capacitive sensing; and

wherein the processing system is configured to determine positional information for an input object based on the resulting
signals.

US Pat. No. 9,448,675

INPUT SENSING USING A GATE SELECT LINE OF A DISPLAY DEVICE

SYNAPTICS INCORPORATED, ...

3. An input device comprising a display device having an integrated capacitive sensing device, the input device comprising:
a plurality of select line blocks, each select line block comprising a plurality of select lines;
a plurality of gate low voltage lines, each gate low voltage line coupled to a different select line block;
a gate high voltage line coupled to at least one select line included in at least one of the select line blocks;
a plurality of transmitter electrodes; and
a processing system coupled to the plurality gate low voltage lines and the plurality of transmitter electrodes, the processing
system configured to:

drive the plurality of transmitter electrodes for capacitive sensing;
receive resulting signals from the plurality of gate low voltage lines while the plurality of transmitter electrodes are being
driven for capacitive sensing; and determine positional information based on the resulting signals, wherein the processing
system is further configured to:

switch a first select line included in a first select line block from a first gate low voltage line to the gate high voltage
line to select a sub-pixel for display updating;

drive a source line coupled to the sub-pixel to update the sub-pixel while the sub-pixel is selected; and
based on determining that a number of select lines included in the first select line block configured to receive resulting
signals for capacitive sensing is above a target number of select lines, switch one or more select lines included in the first
select line block from the first gate low voltage line to a reference voltage line.

US Pat. No. 9,304,162

INPUT DEVICE TRANSMITTER PATH ERROR DIAGNOSIS

Synaptics Incorporated, ...

1. A processing system configured for capacitive sensing, said processing system comprising:
transmitter circuitry coupled with a first transmitter path of a plurality of transmitter paths and configured to transmit
a first transmitter signal with said first transmitter path, wherein each transmitter path of said plurality of transmitter
paths is configured for capacitive sensing;

a first internal diagnostic mechanism coupled to a second transmitter path of said plurality of transmitter paths, said first
internal diagnostic mechanism configured to acquire a first resulting signal while said transmitter circuitry transmits said
first transmitter signal with said first transmitter path, wherein said first internal diagnostic mechanism comprises a selectable
leakage path coupled to said transmitter circuitry; and

a determination module is further configured to determine that said first transmitter path is ohmically coupled to said second
transmitter path of said plurality of transmitter paths based upon said first resulting signal.

US Pat. No. 9,298,314

MITIGATION OF DISPLAY UPDATE NOISE USING PROXIMATELY DISPOSED COUPLING ELECTRODE

SYNAPTICS INCORPORATED, ...

1. An input device, comprising:
a plurality of display electrodes comprising a plurality of source driver electrodes;
a plurality of sensor electrodes;
a coupling electrode disposed proximate to at least a first display electrode of the plurality of display electrodes; and
a processing system coupled to the plurality of display electrodes, the plurality of sensor electrodes, and the coupling electrode,
wherein the processing system comprises receiver circuitry having an input coupled with at least one sensor electrode of the
plurality of sensor electrodes, wherein the processing system is configured to:

drive at least the first display electrode of the plurality of display electrodes with a display update signal to update a
display, wherein the first display electrode comprises at least one of the plurality of source driver electrodes;

receive a coupling signal with the coupling electrode, the coupling signal comprising effects corresponding to the display
update signal;

acquire, at the input of the receiver circuitry, resulting signals with the at least one sensor electrode; and
adjust the resulting signals based on the coupling signal.

US Pat. No. 9,293,278

TWO PART KEY CAP FOR USE IN KEYBOARD KEYS AND METHODS FOR THEIR MANUFACTURE

Synaptics Incorporated, ...

1. A keyboard having a plurality of key assemblies and planar translation effecting (PTE) features, wherein each of at least
a subset of the key assemblies comprises:
a key base including a PTE mating feature; and
a key cap having a top surface component configured to be contacted by an input object;
wherein the PTE mating feature is configured such that the key cap translates vertically and laterally in a planar manner
relative to the PTE feature in response to the input object contact,

wherein the PTE mating feature comprises a first material and the top surface component comprises a second material different
from the first material, and

wherein the first material is characterized by a relatively higher coefficient of sliding friction than the second material.

US Pat. No. 9,075,095

DEVICE AND METHOD FOR LOCALIZED FORCE SENSING

Synaptics Incorporated, ...

1. A capacitive input device configured to sense input objects in a sensing region, the capacitive input device comprising:
a pliable component comprising an input surface configured to be touched by a user, a first array of sensor electrodes; and
a second array of sensor electrodes, the pliable component characterized by a bending stiffness;

a third array of sensor electrodes; and
a spacing layer disposed between the third array of sensor electrodes and the pliable component, the spacing layer characterized
by a compressive stiffness;

wherein, in response to a force applied to the input surface, the input surface is configured to deform and the pliable component
is configured to deflect at least one of the second array of sensor electrodes towards the third array of sensor electrodes;
and

wherein the deformation of the input surface and the deflection of the second array of sensor electrodes is based on the bending
stiffness of the pliable component and the compressive stiffness of the spacing layer.

US Pat. No. 10,061,415

INPUT DEVICE RECEIVER WITH DELTA-SIGMA MODULATOR

SYNAPTICS INCORPORATED, ...

1. A processing system for an input device comprising a plurality of sensor electrodes, the processing system comprising:a current conveyor configured to receive a sensor signal from a first sensor electrode of the plurality of sensor electrodes, and to output a mirrored current of the sensor signal;
a mixer configured to downconvert the mirrored current, and to output a processed sensor signal;
a delta-sigma modulator comprising:
one or more input nodes configured to receive the processed sensor signal;
an integrator coupled with the one or more input nodes and configured to produce an integration signal;
a quantizer coupled with an output of the integrator and configured to quantize the integration signal; and
a feedback digital-to-analog converter (DAC) controlled based by the quantizer; and
a digital filter coupled with an output of the delta-sigma modulator and configured to mitigate a quantization noise of the quantizer.

US Pat. No. 9,823,794

DIFFERENTIAL READOUT FOR SENSOR ARRAY

Synaptics Incorporated, ...

1. An input device for capacitive touch sensing, comprising:
a plurality of sensor electrodes, the plurality of sensor electrodes comprising: a plurality of receiver electrodes, a plurality
of transmitter electrodes, and a reference receiver electrode; and

a processing system, configured to:
drive a first transmitter electrode of the plurality of transmitter electrodes with a transmitter signal,
receive a resulting signal via a receiver electrode of the plurality of receiver electrodes, the resulting signal comprising
effects corresponding to the transmitter signal,

receive a reference signal via the reference receiver electrode, and
determine a modified resulting signal based on the resulting signal received via the receiver electrode and the reference
signal received via the reference receiver electrode.

US Pat. No. 9,740,326

SENSOR ARRAY WITH SPLIT-DRIVE DIFFERENTIAL SENSING

Synaptics Incorporated, ...

1. A device for capacitive sensing, comprising:
a plurality of sensor electrodes, the plurality of sensor electrodes comprising: a plurality of receiver electrodes and a
plurality of transmitter electrodes, wherein a transmitter electrode of the plurality of transmitter electrodes comprises
a first portion and a second portion with a separation between the first portion and the second portion; and

a processing system, configured to:
drive the first portion of the transmitter electrode with a transmitter signal,
receive a resulting signal corresponding to the first portion of the transmitter electrode via a first receiver electrode
of the plurality of receiver electrodes,

receive a reference signal corresponding to the second portion of the transmitter electrode via a second receiver electrode
of the plurality of receiver electrodes, and

determine a modified resulting signal based on the resulting signal and the reference signal.

US Pat. No. 9,509,308

SUPPLY-MODULATION CROSS DOMAIN DATA INTERFACE

Synaptics Incorporated, ...

1. A method for communicating a data signal within an integrated circuit of a processing system having a first power supply
voltage domain and a second power supply voltage domain, wherein at least one of a positive power supply voltage of the second
power supply voltage domain and a negative power supply voltage of the second power supply voltage domain are modulated with
respect to the first power supply voltage domain, the method comprising:
receiving the data signal at a first node of the integrated circuit, wherein the first node is within the first power supply
voltage domain;

generating a first intermediate differential signal from the data signal via a first conversion circuit of the integrated
circuit;

communicating the first intermediate differential signal to a first cross-coupled latch, wherein the first cross-coupled latch
generates a first output signal based on the first intermediate differential signal; and

outputting the first output signal from a second node of the integrated circuit, wherein the second node is in the second
power supply voltage domain, wherein generating the first intermediate differential signal comprises:

removing effects corresponding to modulation in at least one of the positive power supply voltage of the second power supply
voltage domain and the negative power supply voltage of the second power supply voltage domain.

US Pat. No. 9,501,169

ACQUIRING MULTIPLE CAPACITIVE PARTIAL PROFILES WITH ORTHOGONAL SENSOR ELECTRODES

SYNAPTICS INCORPORATED, ...

1. A processing system, comprising:
a sensor module comprising sensor circuitry coupled to a plurality of sensor electrodes, the sensor module configured to:
simultaneously drive, during a first time period, a capacitive sensing signal onto a first sensor electrode of a first plurality
of sensor electrodes and a substantially constant voltage onto a second sensor electrode of the first plurality of sensor
electrodes;

acquire, during the first time period, a first capacitive partial profile based on the capacitive sensing signal driven onto
the first sensor electrode;

simultaneously drive, during a second time period, the capacitive sensing signal onto the second sensor electrode and the
substantially constant voltage onto the first sensor electrode, wherein the first and second time periods are non-overlapping;

acquire, during the second time period, a second capacitive partial profile based on the capacitive sensing signal driven
onto the second sensor electrode; and

drive, during at least one of the first and second time periods, one or more sensor electrodes of a second plurality of sensor
electrodes with the substantially constant voltage, the second plurality of sensor electrodes disposed substantially orthogonal
to the first plurality of sensor electrodes; and

a determination module configured to determine a first capacitive profile based on at least the first and second capacitive
partial profiles.

US Pat. No. 9,501,193

METHOD AND APPARATUS FOR IMPROVED INPUT SENSING USING A DISPLAY PROCESSOR REFERENCE SIGNAL

SYNAPTICS INCORPORATED, ...

1. An input device, comprising:
a plurality of transmitter electrodes, wherein each of the plurality of transmitter signals comprises at least one common
electrode of the display configured to be driven for display updating and capacitive sensing;

a plurality of receiver electrodes;
a display processor configured to drive at least one transmitter electrode of the plurality transmitter electrodes with a
transmitter signal for capacitive sensing; and

a sensor processor configured to receive resulting signals with the plurality of receiver electrodes when the at least one
transmitter electrode is driven, wherein the sensor processor comprises:

one or more receiver channels, and wherein each of the one or more receiver channels is configured to be coupled to at least
one sensor electrode of the plurality of receiver electrodes; and

a reference channel configured to provide a reference channel output signal, wherein the reference channel has a first reference
channel input port that is configured to receive a reference channel input signal, wherein the reference channel input signal
is based on the transmitter signal; and wherein each of the one or more receiver channels is configured to provide an output
signal based on at least a portion of the resulting signals and the reference channel output signal.

US Pat. No. 9,459,729

SENSING BASELINE MANAGEMENT

Synaptics Incorporated, ...

1. A processing system for sensing, comprising:
a sensor module comprising sensor circuitry coupled to a plurality of sensor electrodes, the sensor module configured to acquire
a first sensor frame, wherein the first sensor frame is a capture of a sensing region that provides a state of the sensing
region; and

a determination module connected to the plurality of sensor electrodes and configured to:
determine a first delta frame from the first sensor frame and a first baseline, wherein the first baseline is generated using
a first processing mode,

determine a second delta frame from the first sensor frame and a second baseline,
wherein the second baseline is generated using a second processing mode, and
wherein the second processing mode is different than the first processing mode, and
determine that the first delta frame and the second delta frame are inconsistent with respect to at least one input object,
wherein the processing system copies at least a portion of the second baseline to the first baseline based on the first delta
frame and the second delta frame being inconsistent with respect to the at least one input object.

US Pat. No. 9,430,050

TOUCHSURFACE WITH LEVEL AND PLANAR TRANSLATIONAL TRAVEL RESPONSIVENESS

Synaptics Incorporated, ...

1. A keyboard comprising:
a plurality of keys, each key including a touchsurface configured to be depressed by a user;
a plurality of leveling and planar-translation effecting mechanisms, each leveling and planar-translation effecting mechanism
configured to guide the touchsurface of an associated key of the plurality of keys to be substantively level and to exhibit
planar translation when depressed; and

a capacitive keyswitch sensor system proximate to the plurality of keys, the capacitive keyswitch sensor system configured
to detect variable capacitances affected by depression of the touchsurfaces of keys of the plurality of keys.

US Pat. No. 9,425,999

PROCESS-VOLTAGE-TEMPERATURE (PVT) INVARIANT CONTINUOUS TIME EQUALIZER

Synaptics Incorporated, ...

1. An equalizer circuit, comprising:
a trans-conductance generator comprising a first transistor coupled to a first switched capacitor,
wherein the first switched capacitor is configured to charge according to a first clock signal, and
wherein the trans-conductance generator is configured to generate a first bias signal using the first switched capacitor and
the first clock signal;

an operational amplifier;
a second switched capacitor coupled to the operational amplifier,
wherein the second switched capacitor is configured to charge according to a second clock signal, and
wherein the operational amplifier is configured to generate a second bias signal using the second switched capacitor and the
second clock signal; and

a peaking amplifier coupled to the trans-conductance generator and the operational amplifier,
wherein the peaking amplifier is configured to generate an output signal based on an input signal, the first bias signal,
and the second bias signal.

US Pat. No. 9,354,720

LOW-PROFILE CAPACITIVE POINTING STICK

SYNAPTICS INCORPORATED, ...

1. An isometric input device configured to control a user interface indicator of an electronic device, the input device comprising:
a plurality of sensor electrodes disposed on a sensor substrate;
a control member mechanically coupled to the sensor substrate over at least a portion of the plurality of sensor electrodes;
a conductive support substrate; and
a compliant member disposed between the sensor substrate and the conductive support substrate, the compliant member defining
a gap between the sensor substrate and the conductive support substrate.

US Pat. No. 9,329,731

ROUTING TRACE COMPENSATION

Synaptics Incorporated, ...

8. A processing system for a capacitive input device,
wherein said capacitive input device comprises:
first and second pluralities of sensor electrodes disposed in a first region of a substrate, wherein said first region is
configured to overlap a display screen;

at least one routing trace disposed in a second region of said substrate and ohmically coupled to a sensor electrode of one
of said first and second pluralities of sensor electrodes and also to a processing system, wherein said second region comprises
a non-display screen overlapping portion of said substrate; and

a compensation trace disposed in said second region of said substrate and ohmically coupled to said processing system, said
compensation trace being substantially parallel and proximate to said at least one routing trace and having substantially
the same length along a side edge of said first region as said at least one routing trace, wherein said compensation trace
is not ohmically coupled to any sensor electrode; and

said processing system comprising:
sensor circuitry configured to drive a voltage on said compensation trace when performing transcapacitive sensing with said
first and second pluralities of sensor electrodes;

said sensor circuitry configured to receive signals on said compensation trace to measure a capacitance related to an input
object in said second region when performing absolute capacitive sensing with said first and second pluralities of electrodes;
and

computation circuitry configured to utilize said received signals to compensate for sensitivity of said at least one routing
trace to said input object in said second region.

US Pat. No. 9,280,231

DISABLING DISPLAY LINES DURING INPUT SENSING PERIODS

SYNAPTICS INCORPORATED, ...

1. A processing system for a display device having an integrated sensing device, the processing system comprising:
a driver module comprising driver circuitry, the driver module coupled to a plurality of transmitter electrodes, each transmitter
electrode comprising one or more common electrodes of a plurality of common electrodes configured for display updating and
input sensing, the driver module configured for:

selecting a first display line set for display updating during a first display update period of a first display frame;
driving the first display line set for display updating during the first display update period;
driving one or more transmitter electrodes of the plurality of transmitter electrodes for input sensing during a non-display
update period, wherein the non-display update period occurs after the first display update period and before a second display
update period of the first display frame; and

selecting a second display line set for display updating during a restart period, wherein one or more display line updates
for the second display line set are skipped during at least a portion of the restart period; and

a receiver module coupled to a plurality of receiver electrodes and configured for receiving resulting signals with the plurality
of receiver electrodes when the one or more transmitter electrodes are driven for input sensing.

US Pat. No. 9,268,991

METHOD OF AND SYSTEM FOR ENROLLING AND MATCHING BIOMETRIC DATA

Synaptics Incorporated, ...

1. A method comprising:
collecting a set of biometric object image data for a biometric object image from a biometric object imaging sensor during
an initial enrollment window;

storing the biometric object image data in a memory as a stored enrollment template for further comparison to find a match
with subsequently imaged biometric object image data;

collecting a subsequent set of biometric object image data for a biometric object image from the biometric object imaging
sensor during a limited enrollment window separate from the initial enrollment window and opened after the initial enrollment
window ends;

updating the stored enrollment template;
determining if the limited enrollment window remains open; and
repeating the collecting of a subsequent set of biometric object image data step and the updating step if the limited enrollment
window remains open,

wherein the determining if the limited enrollment window remains open comprises determining the existence of one of a stability
indicator and an instability indicator, and

wherein the instability indicator comprises at least one of an amount of biometric image data being added to and an amount
of biometric image data being removed from the stored enrollment template exceeding a selected threshold for a selected number
of updates of the stored enrollment template.

US Pat. No. 9,189,114

FACE DETECTION WITH TRANSCAPACITIVE SENSING

Synaptics Incorporated, ...

1. A processing system configured to detect large objects, comprising:
a sensor module comprising sensor circuitry coupled to a plurality of transmitter electrodes and a plurality of receiver electrodes,
wherein the sensor module is configured to transmit transmitter signals with the plurality of transmitter electrode and receive
resulting signals with the plurality of receiver electrodes, and wherein the resulting signals comprise effects corresponding
to transmitter signals; and

a determination module configured to:
determine an average pixel value of a first plurality of capacitive pixel values in a first capacitive image, wherein the
first capacitive image is based on the resulting signals;

determine a maximum pixel value of the first plurality of capacitive pixel values;
determine a transition condition is present based on the first capacitive image, wherein the transition condition is based
on the average pixel value satisfying an average pixel value threshold, and that the maximum pixel value is less than a maximum
pixel value threshold; and

operate in a large object mode based on the transition condition being present.

US Pat. No. 9,147,099

APPARATUS AND METHOD FOR FINGERPRINTING SENSING

Synaptics Incorporated, ...

1. A biometric sensor comprising:
a flexible substrate comprising a first side surface and a second side surface opposing the first side surface;
a biometric sensor portion comprising biometric image sensing elements formed on the second side surface forming at least
part of a biometric sensor array sensing capacitively induced changes induced by a biometric in the vicinity of the biometric
image sensing elements;

a biometric sensor controller integrated circuit mounted to the flexible substrate on one of the first side surface and the
second side surface of the flexible substrate;

an edge surface of the flexible substrate including at least one conductively plated perforation in the flexible substrate;
and

an electro-static discharge element formed on or as part of the flexible substrate and electrically connected to the at least
one conductively plated perforation.

US Pat. No. 9,652,057

TOP MOUNT CLICKPAD MODULE FOR BI-LEVEL BASIN

Synaptics Incorporated, ...

1. An input device for use with an electronic system, comprising:
a substantially planar input surface comprising a capacitive sensor layer configured to sense positional information for an
input object, the input surface having a first zone and a second zone, wherein the second zone is configured to deflect in
response to force applied to the second zone by the input object;

a stiffener substrate comprising:
a first portion affixed to a bottom surface of the first zone,
at least one finger extending parallel to and spaced apart from the second zone, and
at least one T-shaped spring arm co-planar with the first portion; and
an actuation mechanism disposed between the finger and the second zone.

US Pat. No. 9,582,093

PASSIVE PEN WITH GROUND MASS STATE SWITCH

Synaptics Incorporated, ...

1. A passive pen comprising:
a pen body; and
a tip disposed at a first end of the pen body, wherein the tip capacitively couples to the pen body and the capacitive coupling
is configured to change and switch the tip from a first ground mass state to a second ground mass state; and

a compressible non-conductive substance between the tip and the pen body, wherein the compressible non-conductive substance
is compressed, relative to a compression level of tip in a first position, when the tip is in a second position.

US Pat. No. 9,563,319

CAPACITIVE SENSING WITHOUT A BASELINE

Synaptics Incorporated, ...

1. A processing system for a capacitive sensing device, comprising:
a sensor module coupled to a plurality of sensor electrodes and configured to receive a first plurality of resulting signals
from the plurality sensor electrodes,

wherein the first plurality of resulting signals reflect self-capacitances of the plurality of sensor electrodes, and
wherein the plurality of sensor electrodes comprises a first sensor electrode, a second sensor electrode adjacent to the first
second electrode, a third sensor electrode adjacent to the first sensor electrode and the second sensor electrode, and a fourth
sensor electrode adjacent to the third sensor electrode; and

a determination module configured to:
determine, based on the first plurality of resulting signals, first differential capacitive sensing data between the first
sensor electrode and the second sensor electrode,

wherein the first differential capacitive sensing data is a difference between the self-capacitance of first sensor electrode
and the self-capacitance of the second sensor electrode;

determine, based on the first plurality of resulting signals, second differential capacitive sensing data between the third
sensor electrode and the fourth sensor electrode,

wherein the second differential capacitive sensing data is a difference between the self-capacitance of the third sensor electrode
and the self-capacitance of the fourth sensor electrode; and

determine user contact information based on at least one of the first differential capacitive sensing data and the second
differential capacitive sensing data.

US Pat. No. 9,557,857

INPUT DEVICE WITH FORCE SENSING AND HAPTIC RESPONSE

Synaptics Incorporated, ...

1. An input device comprising:
a first electrode disposed on a first substrate;
a plurality of sensor electrodes disposed on the first substrate that capacitively detect objects in a sensing region;
a piezoelectric assembly (PA) comprising:
a piezoelectric material;
a second electrode physically coupled to a first side of the piezoelectric material, the second electrode overlapping the
first electrode,

wherein the first electrode and the second electrode define at least part of a variable capacitance;
a third electrode physically coupled to a second side of the piezoelectric material; and
a transmission element physically coupled to the third electrode;
a spacing element coupled to the first substrate and defining an opening between the first electrode and the second electrode,
wherein the spacing element is static, and
wherein the PA is configured to:
deflect into the opening and change the variable capacitance in response to a force applied by a user that biases the transmission
element relative to the first substrate, wherein the force is measured based on the change in the variable capacitance; and

deform to generate a haptic response for the user; and
a base substrate located below the transmission element, the first electrode, the second electrode, and the third electrode,
wherein the base substrate pushes, in response to the force applied by the user, the transmission element in the opposite
direction of the force applied by the user causing the PA to deflect in the opposite direction of the force applied by the
user.

US Pat. No. 9,490,087

RETRACTABLE KEYBOARD KEYS

Synaptics Incorporated, ...

16. A keyboard, comprising:
a bezel having a plurality of key openings and a plurality of key holding features adjacent to the plurality of key openings;
a plurality of keycaps each positioned within one of the plurality of key openings and each keycap having a touch surface
for receiving a press force from a user that moves the keycap from an unpressed position toward a pressed position, the unpressed
position and pressed position separated in a vertical press direction and a second direction orthogonal to the vertical press
direction;

a chassis having a plurality of planar-translation effecting mechanisms to guide the respective keycap in the vertical press
direction and the second direction as the keycap moves from the unpressed position toward the pressed position; and

a key retraction mechanism configured to cause movement between the chassis and the bezel;
wherein the key holding features of the bezel are configured to limit movement of the keycaps in the second direction in response
to movement of the chassis relative to the bezel.

US Pat. No. 9,442,615

FREQUENCY SHIFTING FOR SIMULTANEOUS ACTIVE MATRIX DISPLAY UPDATE AND IN-CELL CAPACITIVE TOUCH

SYNAPTICS INCORPORATED, ...

1. An input device comprising:
a plurality of display electrodes;
a plurality of sensor electrodes; and
a processing system coupled with the plurality of display electrodes and with the plurality of sensor electrodes, wherein
the processing system is configured to:

drive a display signal onto at least one of the plurality of display electrodes for updating pixels of a display,
drive, during a first period that at least partially overlaps with driving the display signal for updating pixels of the display,
a first capacitive sensing signal having a first frequency onto at least one sensor electrode of the plurality of sensor electrodes,
wherein the first frequency is synchronized with the display signal, and

drive, during a second period that at least partially overlaps with driving the display signal for updating pixels of the
display, a second capacitive sensing signal having a second frequency onto the at least one sensor electrode, wherein the
first and second frequencies differ; and

adjusting a timing of the display signal to maintain synchronization of the display signal with the second frequency.

US Pat. No. 9,442,875

MULTI-PROTOCOL COMBINED RECEIVER FOR RECEIVING AND PROCESSING DATA OF MULTIPLE PROTOCOLS

Synaptics Incorporated, ...

1. A receiver circuit configured to operate in a DisplayPort (DP) mode and a High-Definition Multimedia Interface (HDMI) mode,
comprising:
termination circuitry configured to receive a DP signal in the DP mode and an HDMI signal in the HDMI mode, wherein the termination
circuitry comprises:

a plurality of pads for receiving the DP signal in the DP mode and the HDMI signal in the HDMI mode;
a plurality of termination resistors connected to the plurality of pads;
a DC termination voltage;
a target common-mode voltage; and
a first switch configured to:
connect the plurality of termination resistors to the DC termination voltage in the HDMI mode; and
connect the plurality of termination resistors to the target common-mode voltage in the DP mode; and
voltage common-mode (VCM) level shifter circuitry configured to operate as a pass-through for the DP signal in the DP mode
and generate a converted HDMI signal from the HDMI signal in the HDMI mode, wherein the VCM level shifter circuitry comprises:

a plurality of extraction resistors configured to extract an actual common-mode voltage from the converted HDMI signal;
a comparator configured to generate a control signal based on a difference between the target common-mode voltage and the
actual common-mode voltage;

a plurality of transistors configured to reduce the actual common-mode voltage in the converted HDMI signal based on the control
signal; and

a second plurality of switches configured to:
connect, during the HDMI mode, the plurality of transistors to an output of the VCM level shifter circuitry; and
disconnect, during the DP mode, the plurality of transistor from the output.

US Pat. No. 9,406,453

METHODS AND APPARATUS FOR CAPACITIVELY DETECTING KEY MOTION AND FINGER PRESENCE ON A MAGNETIC KEYBOARD KEY

Synaptics Incorporated, ...

1. A keyboard comprising a plurality of key assemblies, wherein each of at least a subset of the key assemblies comprises:
a key guide having a first conductive portion;
a key cap having a second conductive portion;
a transmitter electrode; and
a receiver electrode disposed underneath the second conductive portion;
wherein the first and second conductive portions cooperate magnetically to return the key cap to a nominal position following
a keystroke; and

wherein the first transmitter electrode and first receiver electrode form a variable capacitance in response to the keystroke.

US Pat. No. 9,400,583

SENSOR ELECTRODE ROUTING FOR AN INTEGRATED DEVICE

SYNAPTICS INCORPORATED, ...

1. A touch screen device with an integrated capacitive sensing device comprising:
a facesheet;
a display device comprising a plurality of common electrodes configured for updating the display device and for capacitive
sensing;

a plurality of sensor electrodes, each of the plurality of sensor electrodes comprising at least one common electrode of the
plurality of common electrodes;

an insulating layer disposed on a side of the plurality of sensor electrodes facing away from the facesheet; and
a plurality of conductive routing traces disposed on the insulating layer, wherein each of the plurality of conductive routing
traces are coupled to a respective one of the plurality of sensor electrodes through a via, at least a first conductive routing
trace of the plurality of conductive routing traces passing under at least two sensor electrodes of the plurality of sensor
electrodes that are not coupled to the first conductive routing trace, and wherein the plurality of sensor electrodes are
disposed between the facesheet and the plurality of conductive routing traces.

US Pat. No. 9,383,881

INPUT DEVICE AND METHOD WITH PRESSURE-SENSITIVE LAYER

Synaptics Incorporated, ...

1. A pressure sensitive input device for sensing an input object in a sensing region, comprising:
a plurality of sensor electrodes comprising:
a set of primary sensor electrodes; and
a set of secondary sensor electrodes, each of the primary sensor electrodes being electrically coupled to and disposed at
a fixed distance from at least one of the secondary sensor electrodes to form a set of measurable admittances between each
primary sensor electrode and secondary sensor electrode, respectively;

a touch surface; and
a pressure-sensitive layer located between the touch surface and both the set of primary sensor electrodes and the set of
secondary sensor electrodes, the pressure-sensitive layer configured to change at least one of the measurable admittances,
without changing the fixed distance between each primary sensor electrode and each corresponding secondary sensor electrode,
in response to pressure applied to the touch surface.

US Pat. No. 9,336,428

INTEGRATED FINGERPRINT SENSOR AND DISPLAY

Synaptics Incorporated, ...

1. A touch screen display device having integrated touch sensing and biometric image capture capabilities, comprising:
a top layer, comprising a display protective glass layer;
a lower layer;
touch sensitive circuitry disposed intermediate the top layer and the lower layer, the touch sensitive circuitry being configured
to detect touch input; and

a biometric object image sensor disposed intermediate the top layer and the lower layer, the biometric object image sensor
comprising electrode traces forming an array of capacitive gap sensing elements, wherein the array includes at least one image
pixel location defined by a capacitive coupling gap between a respective signal drive trace and a respective signal pickup
trace to capture a biometric object image when a biometric object of a user is above the biometric object image sensor and
the display protective glass layer.

US Pat. No. 9,240,296

KEYBOARD CONSTRUCTION HAVING A SENSING LAYER BELOW A CHASSIS LAYER

Synaptics Incorporated, ...

1. A keyboard, comprising:
a keyboard chassis;
a plurality of keycaps positioned above the keyboard chassis, each keycap of the plurality of keycaps having a touch surface
for receiving a press force;

a sensor substrate positioned below the keyboard chassis and having sensor electrodes configured to sense that one or more
keycaps of the plurality of keycaps is in a pressed position; and

a processing system coupled to the sensor electrodes and configured to operate the sensor electrodes to capacitively detect
the one or more keycaps of the plurality of keycaps in the pressed position,

wherein the sensor electrodes comprise at least one transmitter electrode and at least one receiver electrode,
wherein the processing system operates the at least one transmitter electrode to transmit a transmitter signal and operates
the at least one receiver electrode to receive a resulting signal, and

wherein the processing system determines that the one or more keycaps is in the pressed position via a parameter of the resulting
signal.

US Pat. No. 9,134,396

REDUCING BENDING EFFECTS IN TOUCH SENSOR DEVICES

SYNAPTICS INCORPORATED, ...

1. A capacitive image sensor for detecting an input object, comprising:
a first substrate having a first side;
a second substrate displaced from the first substrate to define a compressible region between the first substrate and the
second substrate, wherein the first substrate is deflectable relative to the second substrate between a first position in
which the compressible region has a first thickness and a second position in which the compressible region has a second thickness
that is less than the first thickness;

a transmitter electrode disposed on the first substrate, the transmitter electrode configured to transmit a transmitter signal;
a receiver electrode disposed on the first substrate and configured to receive a resulting signal comprising effects corresponding
to the transmitter signal; and

a bending effect electrode disposed on the first substrate and disposed between the transmitter electrode and the receiver
electrode,

wherein when the first substrate is in the first position, a plurality of field lines associated with the resulting signal
extends from the transmitter electrode through the compressible region and terminates on the bending effect electrode, and
when the first substrate is in the second position, the plurality of field lines extends from the transmitter electrode through
the compressible region and terminates on the second substrate.

US Pat. No. 9,606,686

TRACE SHIELDING FOR INPUT DEVICES

SYNAPTICS INCORPORATED, ...

1. A touch screen device with an integrated capacitive sensing device comprising:
a display device having a layer;
a plurality of common electrodes disposed in the display device and on a first side of the layer, the plurality of common
electrodes configured for updating the display device and for transmitting transmitter signals for capacitive sensing;

a plurality of receiver electrodes disposed on a second side of the layer;
a plurality of conductive routing traces disposed on the first side of the layer and coupled to the plurality of common electrodes;
and

a first shield electrode disposed on the first side of the layer of the display device and positioned to shield the plurality
of conductive routing traces from the plurality of receiver electrodes, wherein the first shield electrode is above the plurality
of conductive routing traces and below the plurality of receiver electrodes.

US Pat. No. 9,594,940

FINGERPRINT TEMPLATE COMPRESSION

Synaptics Incorporated, ...

1. A method of compressing a fingerprint template, the fingerprint template being derived from fingerprint image data captured
from a sensor, the method comprising:
surveying the fingerprint template to determine one or more starting points;
selecting a starting point from the one or more starting points;
encoding the starting point;
encoding one or more contours extending from the starting point; and
repeating the selecting, encoding the starting point and encoding the one or more contours extending from the starting point
steps for each of the one or more starting points surveyed from the fingerprint template,

wherein the surveying step comprises marking a bifurcation point as one of the one or more starting points,
wherein the surveying step comprises marking a contour ending as one of the one or more starting points, and
wherein the step of selecting the starting point comprises:
initially selecting the bifurcation point as the starting point, and
selecting the contour ending as the starting point subsequent to selecting the bifurcation point.

US Pat. No. 9,582,092

SYSTEM AND METHOD FOR USING PASSIVE PEN WITH GROUND MASS STATE SWITCH

Synaptics Incorporated, ...

1. A processing system comprising:
a sensor module comprising sensor circuitry coupled to a plurality of transmitter electrodes and a plurality of receiver electrodes,
wherein the sensor module is configured to transmit transmitter signals with the plurality of transmitter electrodes and receive
a plurality of resulting signals with the plurality of receiver electrodes; and

a determination module configured to:
determine a presence of a passive pen in a sensing region using the plurality of resulting signals,
determine a current ground mass state of the passive pen based on the plurality of resulting signals, and
report, based on the current ground mass state being modified from a default ground mass state, ground mass state information
of the passive pen.

US Pat. No. 9,575,562

USER INTERFACE SYSTEMS AND METHODS FOR MANAGING MULTIPLE REGIONS

Synaptics Incorporated, ...

1. A user interface system comprising:
a plane registration module, the plane registration module configured to identify a first plane within an environment;
a gesture and posture recognition (GPR) module, the GPR module configured to observe a first allocation gesture, a second
allocation gesture, a first modal gesture, a second modal gesture, and a third modal gesture within the environment;

a region definition module, the region definition module configured to:
determine, as defined by the first allocation gesture, a first region comprising a first portion of the first plane, and
determine, as defined by the second allocation gesture, a second region comprising a second portion of the first plane;
a mode determination module, the mode determination module configured to:
determine, as defined by the first modal gesture, a first interaction mode of the first region, the first interaction mode
of the first region comprising a first plurality of commands for a user to interact with a device,

determine, as defined by the second modal gesture, a first interaction mode of the second region, the first interaction mode
of the second region comprising a second plurality of commands for the user to interact with the device, and

determine, as defined by the third modal gesture, a second interaction mode of the first region, the second interaction mode
of the first region comprising a third plurality of commands for the user to interact with the device,

wherein the first interaction mode of the first region and the second interaction mode of the first region are different,
wherein the first interaction mode and the second interaction mode are each at least one selected from a group consisting
of a touch input mode, a key-press interaction mode, and a handwritten text interaction mode; and

a visual feedback module including visual feedback circuitry, the visual feedback module configured to provide visual feedback
associated with a parameter of the first region.

US Pat. No. 9,508,022

MULTI-VIEW FINGERPRINT MATCHING

Synaptics Incorporated, ...

1. A method of biometric matching to an enrollment template, the method comprising:
acquiring a verification template, the verification template comprising a verification view of a biometric sample captured
by an input device;

comparing the verification view to a plurality of individual enrollment views of the enrollment template to determine individual
match statistics between the verification view and the individual enrollment views;

calculating a composite match score between the verification template and the enrollment template as a function of the individual
match statistics and of inter-view match statistics between at least one pairing of the individual enrollment views within
the enrollment template;

comparing the composite match score to a threshold; and
indicating a biometric match between the verification template and the enrollment template if the composite match score satisfies
the threshold.

US Pat. No. 9,495,052

ACTIVE INPUT DEVICE SUPPORT FOR A CAPACITIVE SENSING DEVICE

SYNAPTICS INCORPORATED, ...

1. A processing system, comprising:
a sensor module configured to:
operate, during a first time period, a plurality of sensor electrodes to receive an input signal from an active input device,
and

operate, during a different second time period, the plurality of sensor electrodes to receive capacitive sensing data corresponding
to a passive input device; and

a determination module configured to determine an exclusion region based on a confidence measure applied to an estimated position
of the active input device during the second time period, the estimated position based on at least one determined position
of the active input device during the first time period, the exclusion region corresponding to expected effects of the active
input device on the plurality of sensor electrodes during the second time period,

wherein, during the second time period, an excluded portion of the plurality of sensor electrodes corresponding to the determined
exclusion region is excluded from use in determining input from the passive input device to the sensor module.

US Pat. No. 9,471,173

CAPACITIVE INPUT SENSING IN THE PRESENCE OF A UNIFORM CONDUCTOR

SYNAPTICS INCORPORATED, ...

1. A processing system for a capacitive input device, comprising:
a sensor module including sensor circuitry, the sensor module configured to:
operate a plurality of sensor electrodes to determine input in a sensing region of the input device;
a determination module configured to:
determine that an input surface of the input device is at least partially interfacing a uniform conductor; and
determine a displacement of at least part of the uniform conductor from a region of the input surface by an input object based
at least in part on a change in capacitance measured on a subset of the plurality of sensor electrodes;

determine at least one of a presence or position of the at least one input object on the input surface based on the determined
displacement.

US Pat. No. 9,436,307

MODULATED BACK PLATE FOR CAPACITIVE SENSING

SYNAPTICS INCORPORATED, ...

1. An input device comprising a display device having an integrated capacitive sensing device, the input device comprising;
a system ground;
a conductive back plate configured to be coupled to an input object;
a plurality of display elements;
a plurality of sensor electrodes; and
a processing system coupled to the conductive back plate, to the plurality of display elements, and the plurality of sensor
electrodes, the processing system configured to:

drive modulation signals onto the conductive back plate; and
receive resulting current signals with at least one of the plurality of sensor electrodes, the resulting current signals comprising
effects corresponding to the modulation signals and induced in the at least one of the plurality of sensor electrodes from
the conductive back plate;

wherein the modulation signals cause the conductive back plate and the input object to be modulated with respect to system
ground;

wherein the resulting current signals are received while holding the at least one of the plurality of sensor electrodes with
which resulting current signals are received at a constant voltage with respect to the system ground, while simultaneously
driving a display element of the plurality of display elements for providing display image update information to the display
element;

wherein the display element comprises a capacitor having as one plate, a portion of the at least one electrode of the plurality
of sensor electrodes held at the constant voltage with respect to the system ground;

wherein the resulting current signals are required to hold the at least one electrode of the plurality of sensor electrodes
at the constant voltage with respect to the system ground when the input object is modulated with respect to the at least
one electrode of the plurality of sensor electrodes by the modulation signals; and

wherein the constant voltage is different from the system ground and an earth ground.

US Pat. No. 9,436,337

SWITCHED CAPACITANCE TECHNIQUES FOR INPUT SENSING

SYNAPTICS INCORPORATED, ...

1. A processing system, comprising:
an operational amplifier having a non-inverting input, an inverting input, and an output;
a first capacitor coupled between the output and the inverting input to form a feedback path;
a second capacitor;
a first switch coupled to the second capacitor, the first switch having a first state and a second state, wherein the first
state couples the second capacitor to the first capacitor, and the second state couples the second capacitor to a measurement
circuit; and

a determination module coupled to the measurement circuit and configured to determine a capacitance measurement at the inverting
input based on an amount of charge received by the second capacitor.

US Pat. No. 9,335,844

COMBINED TOUCHPAD AND KEYPAD USING FORCE INPUT

Synaptics Incorporated, ...

1. An input device comprising:
a sensing surface configured to detect positional information and force information for an input object, wherein the sensing
surface comprises a plurality of non-overlapping sub-regions, and wherein the respective positions of the plurality of non-overlapping
sub-regions within the sensing surface are dynamically configurable by at least one of: a user of the input device; and a
software application; and

a determination module configured to:
dynamically select one of a touchpad mode and a keypad mode based on the software application executing on a host processor,
wherein, while in touchpad mode, the determination module detects movement of the input object on the sensing surface; and

dynamically select, based on the force information and while in the touchpad mode, an operation from a plurality of operations
comprising a positioning operation when the force information specifies a first force level, a selection operation when the
force information specifies a second force level, and an activation operation when the force information specifies a third
force level, wherein the positioning operation is to update a display based on the positional information from a sub-region
of the plurality of non-overlapping sub-regions, the selection operation is to select the sub-region located at the position,
and the activation operation is to execute a program corresponding to the sub-region, wherein the input device is configured
to be operated according to the operation.

US Pat. No. 9,304,619

OPERATING A TOUCH SCREEN CONTROL SYSTEM ACCORDING TO A PLURALITY OF RULE SETS

Synaptics Incorporated, ...

1. A touch screen control system configured to communicate with a host processing system, said touch screen control system
comprising:
a memory; and
control circuitry configured to operate a touch screen comprising a touch sensor and a display screen according to rules stored
in said memory by:

during a first time period and in response to detecting a first type of user input with said touch sensor, updating said display
screen autonomously and without requiring intervention from said host processing system following said detection of said first
type of user input;

during said first time period and in response to detecting a second type of user input with said touch sensor, updating said
display screen according to directions provided by said host processing system, wherein said second type of user input is
different than said first type of user input, and wherein each of said first type of input and said second type of input involve
at least one physical input object interacting with a sensing region of said touch sensor; and

during a second time period and in response to detecting said first type of user input with said touch sensor, updating said
display screen according to directions provided by said host processing system.

US Pat. No. 9,304,643

CLASSIFYING INPUT OBJECTS INTERACTING WITH A CAPACITIVE BUTTON

SYNAPTICS INCORPORATED, ...

1. An input device, comprising:
a first plurality of sensor electrodes;
a second plurality of sensor electrodes;
a processing system communicatively coupled to the first and second plurality of sensor electrodes, the processing system
configured to:

operate the first plurality of sensor electrodes to detect positional information for an input object in a first sensing region;
operate the second plurality of sensor electrodes to detect a presence of the input object in a second sensing region by:
driving a capacitive sensing signal to detect the input object onto at least one of the second plurality of sensor electrodes,
receiving a first resulting signal and a second resulting signal on one or more sensor electrodes of the second plurality
of sensor electrodes based on driving the capacitive sensing signal, and

determining whether the input object is contacting the second sensing region based on a ratio between the first and second
resulting signals.

US Pat. No. 9,110,506

TACTILE FEEDBACK FOR CAPACITIVE SENSORS

Synaptics Incorporated, ...

1. A tactile feedback apparatus for a capacitive sensing device, said tactile feedback apparatus comprising:
a dielectric insulator having a surface; and
a finger receiving recess defined in said surface, said finger receiving recess configured for receiving a deflected portion
of a finger, wherein a maximum interior cross-sectional measurement of said finger receiving recess is less than ten millimeters,
said finger receiving recess comprising:

a finger deflecting feature coupled to said surface and structured such that a variety of finger sizes pressed into said finger
receiving recess would deflect into a predictable and repeatable shape for affecting the capacitive sensing device in a substantially
uniform manner; and

a tactile feedback element coupled to said surface and disposed such that said tactile feedback element contacts said deflected
portion of said finger to provide tactile feedback to said finger only when said finger is sufficiently deflected into said
finger receiving recess to actuate said capacitive sensing device.

US Pat. No. 9,081,453

SINGLE LAYER CAPACITIVE IMAGING SENSORS

SYNAPTICS INCORPORATED, ...

1. A capacitive image sensor, comprising:
a first set of sensor electrodes within a first single column, the first set of sensor electrodes comprising a first sensor
electrode, a second sensor electrode and a third sensor electrode, wherein the first sensor electrode is electrically coupled
to the third sensor electrode via a trace, wherein the trace is disposed between two or more sensor electrodes, and wherein;
and

a second set of sensor electrodes within a second single column, the second set of sensor electrodes comprising a fourth sensor
electrode, a fifth sensor electrode, and a sixth sensor electrode, wherein the fourth sensor electrode is configured to capacitively
couple with the first sensor electrode, and the fifth sensor electrode is configured to capacitively couple with the third
sensor electrode, wherein the fourth sensor electrode, the fifth sensor electrode, and the sixth sensor electrode are independently
routed.

US Pat. No. 9,075,488

VIRTUAL GEOMETRIES FOR INTEGRATED DISPLAY AND SENSING DEVICES

SYNAPTICS INCORPORATED, ...

1. A processing system for a display device integrated with a capacitive sensing device comprising:
a driver module comprising driving circuitry, the driver module coupled to a plurality of common electrodes, each common electrode
included in the plurality of common electrodes configured to be driven for both display updating and capacitive sensing, wherein
a first transmitter electrode comprises a first set of common electrodes of the plurality of common electrodes and a second
transmitter electrode comprises a second set of common electrodes of the plurality of common electrodes, and wherein a first
common electrode of the second transmitter electrode is interleaved between a first pair of common electrodes of the first
transmitter electrode;

a receiver module coupled to a plurality of receiver electrodes and configured for:
receiving first resulting signals with the receiver electrodes when the first transmitter electrode is driven for capacitive
sensing by the driver module; and

receiving second resulting signals with the receiver electrodes when the second transmitter electrode is driven for capacitive
sensing by the driver module; and

a determination module configured for determining positional information based on the first and second resulting signals.

US Pat. No. 9,720,553

INPUT DEVICE INCLUDING FOLD OVER SENSOR SUBSTRATE

Synaptics Incorporated, ...

1. A sensor substrate for use with an input device of an electronic system, the sensor substrate comprising:
a plurality of sensor electrodes disposed on the sensor substrate;
a first segment for use with a touch pad area of the input device; and
a second segment for use with a button area of the input device;
a third segment for use with the button area of the input device and comprising a tab,
wherein:
the touch pad area and the button area do not overlap,
the sensor substrate comprises a single sheet of material,
the second segment is folded over the tab of the third segment by bending a flexible hinge coupled to the second segment,
the tab is configured to detect a button click when an input option applies a force to the button area,
the button area is configured to facilitate two-dimensional positional touch sensing in the button area based on a first position
of an input object relative to the button area, and

the touch pad area is configured to facilitate two-dimensional positional touch sensing in the touch pad area based on a second
position of the input object relative to the touch pad area.

US Pat. No. 9,618,981

GUARDING AND SHIELDING ROUTING TRACES IN PROXIMITY SENSORS

Synaptics Incorporated, ...

1. A capacitive input device comprising:
a processing system;
a sensor electrode pattern disposed on a first side of a substrate and comprising:
a plurality of sensor electrode elements disposed on said first side of said substrate;
a first subset of said plurality of sensor electrode elements ohmically coupled into groups to form a first array of sensor
electrodes oriented along a first axis; and

a second subset of said plurality of sensor electrode elements ohmically coupled into groups by a plurality of jumpers to
form a second array of sensor electrodes oriented along a second axis which is different from said first axis, wherein a first
insulator is disposed between each of said plurality of jumpers and said first subset of said plurality of sensor electrode
elements;

a plurality of routing traces disposed along a first edge of said sensor electrode pattern on said first side of said substrate
and configured to communicatively couple at least some of said sensor electrodes with said processing system;

a pair of guard traces disposed outside of said sensor electrode pattern, along said first edge, in the same layer as said
plurality of routing traces such that said pair of guard traces brackets said plurality of routing traces;

a guard overlapping said routing traces and disposed proximate said routing traces on said first side of said substrate, and
wherein said guard ohmically couples said pair of guard traces with one another by extending over said routing traces between
a first coupling to a first of said pair of guard traces and a second coupling to a second of said pair of guard traces; and

a second insulator disposed between said routing traces and said guard, wherein said second insulator and said first insulator
are disposed in the same layer, wherein a thickness of said second insulator creates a maximum gap of T between said routing
traces and said guard, and wherein said guard is spaced a distance of at least T/2 from a closest edge of an active sensor area of said sensor electrode pattern;

wherein said processing system is configured to:
during transcapacitive sensing with said sensor electrode pattern, hold said guard at a constant potential; and
during absolute capacitive sensing with said sensor electrode pattern, modulate said guard with a guard signal that is based
on a sensing signal driven through a routing trace.

US Pat. No. 9,606,670

REAL-TIME SPECTRAL NOISE MONITORING FOR PROXIMITY SENSING DEVICE

SYNAPTICS INCORPORATED, ...

1. An input device comprising:
a plurality of sensor electrodes configured for capacitive sensing; and
a processing system configured to:
drive a set of one or more sensor electrodes of the plurality of sensor electrodes with a sensing signal at a first frequency,
receive resulting signals based on the sensing signal for each of the one or more sensor electrodes driven,
probe the set of one or more sensor electrodes to obtain a set of probing signals,
sum the probing signals of the set of probing signals to generate a noise-analysis signal, and
process the noise analysis signal to identify a noise-reduced frequency and drive the one or more sensor electrodes with a
modified sensing signal at a second frequency based on the noise-reduced frequency.

US Pat. No. 9,606,676

INPUT DEVICE

Synaptics Incorporated, ...

1. An input device comprising:
a first plurality of capacitive sensor electrodes oriented along a first axis, disposed in a first layer, and configured to
update a display screen of said input device;

a second plurality of capacitive sensor electrodes oriented along a second axis that differs from said first axis; and
wherein a display region of said display screen has a first dimension along said first axis and a second dimension said second
axis, wherein at least one capacitive sensor electrode of said first plurality of capacitive sensor electrodes extends fully
across said first dimension of said display region, and wherein an opposed pair of said second plurality of capacitive sensor
electrodes taken together extends substantially across said second dimension of said display region but no single individual
capacitive sensor electrode extends fully across said second dimension of said display region, wherein at least one capacitive
sensor electrode of said second plurality of capacitive sensor electrodes comprises prongs and forms multiple crossings with
a first line overlapping said display region and perpendicular to said second axis, and wherein each of said prongs is substantially
rectangular except for a pointed end configured to reduce cross-coupling with others of said second plurality of capacitive
sensor electrodes, and wherein said pointed ends of said opposed pair are arranged such that they are aligned with and oppose
one another.

US Pat. No. 9,601,085

DEVICE AND METHOD FOR SYNCHRONIZING DISPLAY AND TOUCH CONTROLLER WITH HOST POLLING

Synaptics Incorporated, ...

1. A method for coordinating the interaction between a touch screen controller and a display controller in an electronic device
of the type including a host processor, the touch screen controller configured to acquire capacitive measurements from a touch
screen, and the display controller configured to update a display at a refresh frequency and phase, the method comprising:
sending a synchronization signal from the display controller to the host processor, the synchronization signal indicative
of the refresh frequency and phase, the synchronization signal comprising a VSYNC signal;

polling the touch screen controller, by the host processor, as triggered by the synchronization signal; and
in response to the polling, acquiring the capacitive measurements by the touch screen controller at a sampling rate and phase
determined by the refresh frequency and phase.

US Pat. No. 9,519,360

PALM REJECTION VISUALIZATION FOR PASSIVE STYLUS

Synaptics Incorporated, ...

1. A processing system for a capacitive sensing device, comprising:
a sensor module comprising sensor circuitry configured to be coupled to a plurality of sensor electrodes, the sensor module
configured to drive the plurality of sensor electrodes for capacitive sensing; and

a determination module configured to:
detect a first input object and a second input object in a sensing region of the capacitive sensing device;
enter a pen mode based on detecting a first condition; and
determine, responsive to entering the pen mode, exclusion data based on at least the second input object,
wherein an exclusion region is displayed by a host device, the exclusion region based on the exclusion data and comprising
a portion of the sensing region with diminished detectability of the first input object,

wherein the exclusion region is displayed, to be viewable by a user, as a partially transparent area on a display of the host
device, and

wherein the exclusion region is influenced by a size and strength of the second input object, and a layout of the plurality
of sensor electrodes.

US Pat. No. 9,501,167

SCANNED PIEZOELECTRIC TOUCH SENSOR DEVICE

SYNAPTICS INCORPORATED, ...

1. An input device comprising
a plurality of first electrodes;
a plurality of second electrodes;
a plurality of sensing elements, wherein each sensing element comprises:
a portion of a first electrode;
a portion of a second electrode; and
a piezoelectric material disposed between the portion of the first electrode and the portion of the second electrode,
wherein each first electrode forms part of two or more sensing elements and each second electrode forms part of two or more
sensing elements; and

a processing system electrically connected to each of the first electrodes and each of the second electrodes, and configured
to detect forces applied to one or more of the sensing elements by applying a time-varying electrical excitation signal to
at least one of the plurality of first electrodes and detecting a resulting electrical signal on one or more of the second
electrodes, and wherein the processing system is further configured to measure an electrical impedance of the piezoelectric
material disposed between the portion of the first electrode and the portion of the second electrode for each sensing element.

US Pat. No. 9,459,367

CAPACITIVE SENSOR DRIVING TECHNIQUE THAT ENABLES HYBRID SENSING OR EQUALIZATION

SYNAPTICS INCORPORATED, ...

1. A processing system for a capacitive sensing device, the processing system comprising:
a first module for the capacitive sensing device, wherein the first module is configured to drive a first electrode with a
capacitive sensing signal comprising a plurality of sensing cycles linked by respective voltage transitions; and

a second module for the capacitive sensing device, wherein the second module is configured to drive a second electrode with
an equalization pulse during at least one of the voltage transitions, wherein the first electrode is capacitively coupled
to the second electrode via the capacitance; wherein the second electrode is configured to perform at least one of capacitive
sensing and display updating and is capacitively coupled to the first electrode, wherein the equalization pulse is out of
phase with the capacitive sensing signal such that a voltage change of the equalization pulse is opposite the at least one
voltage transition, and wherein a duration of the equalization pulse is less than a duration of one of the plurality of sensing
cycles.

US Pat. No. 9,430,097

NON-ORTHOGONAL CODING TECHNIQUES FOR OPTICAL SENSING

Synaptics Incorporated, ...

1. A processing system for optical sensing, comprising:
transmitter circuitry coupled a first optical transmitter and a second optical transmitter, the transmitter circuitry configured
to:

drive the first optical transmitter with a first optical coded signal based on a first code, and
drive the second optical transmitter with a second optical coded signal based on a second code,
wherein the first code and the second code are non-orthogonal,
wherein the first code is a first pseudorandom noise (PN) code and the second code is a second PN code, and
wherein the first optical transmitter and the second optical transmitter transmit at overlapping times; and
a receiver circuitry coupled to an optical receiver and configured to receive a resulting signal comprising effects corresponding
to the first optical coded signal and effects corresponding to the second optical coded signal,

wherein the processing system is configured to:
determine a first measurement between the first optical transmitter and the optical receiver based on the resulting signal
and the first code,

determine a second measurement between the second optical transmitter and the optical receiver based on the second code and
the resulting signal, and

determine a plurality of positional information for an input object based on the first measurement and the second measurement.

US Pat. No. 9,405,415

TARGETED TRANSCAPACITANCE SENSING FOR A MATRIX SENSOR

SYNAPTICS INCORPORATED, ...

1. An input device comprising a display device having an integrated capacitive sensing device, the input device comprising:
a plurality of sensor electrodes arranged in a matrix, each sensor electrode comprising one or more common electrodes that
are configured for both touch sensing and display updating; and

a processing system configured to be coupled to the plurality of sensor electrodes, wherein the processing system is configured
to:

modulate each of the plurality of sensor electrodes to determine changes in absolute capacitance;
select a subset of the plurality of sensor electrodes based on the determined changes in absolute capacitance, wherein the
subset is less than the plurality of sensor electrodes and includes a first sensor electrode and a second sensor electrode;

drive the first sensor electrode and receive with the second sensor electrode to determine changes in transcapacitance between
the first sensor electrode and the second sensor electrode; and

determine positional information for an input object in a sensing region of the capacitive sensing device based on the changes
in transcapacitance.

US Pat. No. 9,406,580

PACKAGING FOR FINGERPRINT SENSORS AND METHODS OF MANUFACTURE

Synaptics Incorporated, ...

1. A biometric object sensor wafer level fan out package, comprising:
a sensor control integrated circuit;
a molded fill material formed to at least partially encapsulate the sensor control integrated circuit;
a sensing side redistribution layer disposed on a sensing side of the package, wherein the sensing side redistribution layer
comprises at least one passivation layer and a metal layer, wherein the metal layer of the sensing side redistribution layer
further comprises metal redistribution traces and a metal sensor array in the sensing side redistribution layer, the metal
sensor array further including a plurality of capacitively coupled drivers and pick-ups configured to detect ridges and valleys
of a fingerprint;

a connection side redistribution layer disposed on a connection side of the package, wherein the connection side of the package
is on an opposite side of the package relative to the sensing side;

at least one ball grid array electrical connector mounted on the connection side redistribution layer; and
a protective coating on the sensing side of the package disposed on the sensing side redistribution layer.

US Pat. No. 9,310,817

NEGATIVE VOLTAGE FEEDBACK GENERATOR

SYNAPTICS INCORPORATED, ...

1. A voltage conversion circuit comprising:
a voltage-to-current converter configured to receive only a negative voltage in a negative domain as an input and output a
current based on a difference between the negative voltage and a constant reference voltage;

a converter configured to receive the output current from the voltage-to-current converter and convert the output current
in the negative domain to a transferred current in a positive domain; and

a current-to-voltage converter configured to generate a positive voltage in the positive domain that corresponds to the transferred
current.

US Pat. No. 9,183,365

METHODS AND SYSTEMS FOR FINGERPRINT TEMPLATE ENROLLMENT AND DISTRIBUTION PROCESS

Synaptics Incorporated, ...

18. A system comprising:
a service provider database configured to store a user list and a user device list, the user list comprising a list of one
or more user biometric identifiers, each user biometric identifier extracted from and unique to a respective template of a
user biometric of a verified user, and the user device list comprising list of one or more user biometric identifiers each
extracted from and unique to a respective template of a user biometric of a verified user device associated with the verified
user; and

an interpreter/matcher configured to determine whether a user biometric identifier extracted from and unique to a new user
biometric template, received from a verified user device, matches a user biometric identifier in the stored user list to verify
the new user biometric template; and

a transfer authorizing unit, configured to authorize a verified user device containing a stored master template identified
by the user biometric identifier contained in the user list to transfer to the user device which transmitted the verified
new user biometric template, a verified master template, to create a new root of trust and user biometric identifier for storage
in the user list and the user device list.

US Pat. No. 9,158,958

SIGNAL STRENGTH ENHANCEMENT IN A BIOMETRIC SENSOR ARRAY

Synaptics Incorporated, ...

1. A method of imaging a biometric object comprising:
utilizing a biometric image sensor, the biometric image sensor comprising:
a plurality of capacitive gap sensor electrode traces forming an array of biometric sensor imaging pixel locations within
a biometric sensing area of the biometric image sensor,

at least one of the sensor electrode traces forming a drive signal transmitter electrode and at least one of the sensor electrode
traces forming a resulting signal receiver electrode trace, the respective drive signal transmitter electrode and respective
resulting signal receiver electrode trace being formed on one of a single side of a first substrate and an opposite side of
the first substrate;

wherein a change in a resulting signal received by the resulting signal receiver electrode trace is indicative of a biometric
image characteristic at a respective pixel location in the array;

utilizing a controller contained in an integrated circuit mounted to a second substrate remote from the biometric sensing
area and in electrical contact with the sensor electrode traces;

utilizing an intermediate logic circuit formed between the controller and the sensor electrode traces in the biometric sensing
area, wherein the intermediate logic circuit is formed on at least one of the first substrate and a third substrate mounted
to the first substrate,

the intermediate logic circuit configured to control an activation sequence for a subset of the plurality of the capacitive
gap sensor array pixel locations in response to a single signal from the controller to the intermediate logic circuit.

US Pat. No. 9,052,764

OPERATING A TOUCH SCREEN CONTROL SYSTEM ACCORDING TO A PLURALITY OF RULE SETS

Synaptics Incorporated, ...

1. An electronic device comprising:
a display screen configured for displaying images;
a host processing system;
a memory; and
control circuitry configured to operate a touch sensor for capacitively detecting user input in a sensing region of a touch
sensor, said control circuitry comprising:

display control circuitry comprising:
a blended image generator for autonomously generating a blended image by blending a primary image held in said memory and
a secondary image held in said memory in response to a detected user input, wherein said primary image is received from said
host processing system; and

a display screen updater for autonomously updating said display screen with said blended image, wherein said display screen
is updated at a higher rate when updated autonomously by said display screen updater than when directed by said host processing
system, and wherein said autonomously updating said display screen by said display screen updater reduces processing of said
host processing system; and

touch sensor control circuitry for operating said touch sensor and for direct communications with said display control circuitry.

US Pat. No. 9,864,455

MATCHED FILTER FOR A FIRST ORDER SIGMA DELTA CAPACITANCE MEASUREMENT SYSTEM AND A METHOD TO DETERMINE THE SAME

SYNAPTICS INCORPORATED, ...

1. A processing system for generating filtered digital touch capacitance data, the processing system comprising:
a sigma-delta converter configured to:
receive a first resulting signal with a first capacitive sensing electrode of a plurality of capacitive sensing electrodes,
and

apply sigma-delta conversion to the first resulting signal to generate a first sigma-delta quantized signal; and
a filter logic unit configured to apply a first matched filter to the first sigma-delta quantized signal to generate a first
filtered sigma-delta quantized signal, wherein the first matched filter is based on a discrete time cumulative sum signal.

US Pat. No. 9,811,213

SYSTEMS AND METHODS FOR INPUT DEVICE NOISE MITIGATION VIA A TOUCH BUFFER

Synaptics Incorporated, ...

1. A processing system for an input device, the processing system comprising:
a sensor module comprising sensor circuitry, the sensor module configured to drive a plurality of transmitter electrodes with
transmitter signals, and receive, with a plurality of receiver electrodes, resulting signals comprising effects corresponding
to the transmitter signals; and

a noise mitigation module comprising a touch buffer and configured to:
determine positional information for a first input object in a sensing region of the input device based on the resulting signals
and to report the positional information,

store a first plurality of input object states corresponding to the first input object in the touch buffer, wherein each of
the first plurality of input object states is a position of the first input object in the sensing region,

compare a count of the first plurality of input object states stored in the touch buffer to a first input object state threshold
count, and

limit the reporting of positional information of the first input object in response to both being in a high-noise mode and
the count of the first plurality of input object states stored in the touch buffer being less than the first input object
state threshold count.

US Pat. No. 9,811,218

LOCATION BASED OBJECT CLASSIFICATION

Synaptics Incorporated, ...

1. A processing system for a capacitive sensing device, comprising:
a processor configured to execute instructions to perform operations comprising:
a sensor module for performing capacitive sensing in a sensing region using a plurality of sensor electrodes, the sensing
region comprising a first sub-region, a second sub-region, and a third sub-region; and

a determination module for:
detecting a first input object in the sensing region upon an initial contact of the first input object in the sensing region,
determining first positional information of the first input object,
determining, from the first positional information, that the first input object is located in the second sub-region of the
sensing region,

determining a length of the first input object, the length of the first input object being a size of the first input object
along a first axis,

determining a distance between the first input object and the third sub-region,
determining, based on the first input object being in the second sub-region, a length threshold matching the distance between
the first input object and the third sub-region,

wherein, in the second sub-region, the length threshold varies according to the distance to the third sub-region,
responsive to the first input object being located in the second sub-region of the sensing region and the length of the first
input object being greater than the length threshold, suppressing reporting of the first input object.

US Pat. No. 9,542,589

SIGNAL STRENGTH ENHANCEMENT IN A BIOMETRIC SENSOR ARRAY

Synaptics Incorporated, ...

1. A biometric object image sensor comprising:
a plurality of capacitive gap sensor electrode traces formed on a glass substrate, wherein the plurality of capacitive gap
sensor electrode traces form an array of biometric sensor imaging pixel locations within a biometric sensing area of the biometric
image sensor, wherein at least one of the capacitive gap sensor electrode traces comprises a transmitter electrode trace and
at least one of the capacitive gap sensor electrode traces comprises a receiver electrode trace, wherein a change in a resulting
signal received by the receiver electrode trace is indicative of a biometric image characteristic at a respective pixel location
in the array of biometric sensor imaging pixel locations; and

a controller integrated circuit (IC) mounted to the glass substrate, wherein the controller IC is in electrical contact with
the plurality of capacitive gap sensor electrode traces.

US Pat. No. 9,507,472

HYBRID CAPACITIVE BASELINE MANAGEMENT

Synaptics Incorporated, ...

1. A method of managing baselines of a capacitive sensing input device, said method comprising:
acquiring a transcapacitive baseline, a first absolute capacitive baseline, and a second absolute capacitive baseline with
a plurality of sensor electrodes of the capacitive sensing input device;

acquiring a transcapacitive image with said plurality of sensor electrodes, a first absolute capacitive profile with a first
subset of sensor electrodes of said plurality of sensor electrodes, and a second absolute capacitive profile with a second
subset of sensor electrodes of said plurality of sensor electrodes, wherein sensor electrodes of said first subset are different
from sensor electrodes of said second subset;

determining an absolute capacitive image as a function of said first absolute capacitive profile and said second absolute
capacitive profile;

determining a hybrid capacitive image as a function of said absolute capacitive image and said transcapacitive image; and
managing said transcapacitive baseline, said first absolute capacitive baseline, and said second absolute capacitive baseline
based on a value of at least one of said first absolute capacitive profile and said second absolute capacitive profile.

US Pat. No. 9,459,734

INPUT DEVICE WITH DEFLECTABLE ELECTRODE

Synaptics Incorporated, ...

1. An input device for capacitively sensing input objects in a sensing region, comprising:
a set of sensor electrodes comprising:
a transmitter sensor electrode, and
a receiver sensor electrode, wherein the transmitter sensor electrode is capacitively coupled to the receiver sensor electrode
to form a transcapacitance;

a first deflectable electrode and a second deflectable electrode overlapping at least a portion of the set of sensor electrodes,
wherein the first deflectable electrode is separated by an insulator from the second deflectable electrode,
wherein the first deflectable electrode is configured, when capacitively coupled with an input object, to produce an electrical
ground in the input device,

wherein the insulator is configured to prevent a grounding effect at the second deflectable electrode when the second deflectable
electrode is not capacitively coupled with the input object, and

wherein deflection of the first deflectable electrode and the second deflectable electrode toward the set of sensor electrodes
is configured to cause a change in the transcapacitance; and

a deformable layer overlapping the set of sensor electrodes and configured to facilitate the change in the transcapacitance
in response to a pressure applied by the input object to the first deflectable electrode, and

wherein the change in the transcapacitance corresponds to an amount of pressure applied by the input object to the first deflectable
electrode.

US Pat. No. 9,400,911

FINGERPRINT SENSOR AND INTEGRATABLE ELECTRONIC DISPLAY

Synaptics Incorporated, ...

1. A system, comprising:
a cover glass;
a fingerprint sensor formed of direct build-up patterned conductors disposed on the cover glass, wherein the direct build-up
patterned conductors are passive traces forming an image sensing array of capacitively coupled drive elements and pick up
elements;

a flexible connector connected to the patterned conductors;
a chip mounted on the flexible connector, the chip being configured to control the fingerprint sensor, wherein the chip comprises
an excitation circuit for energizing the drive elements and a detection circuit for detecting corresponding signals received
from the pickup elements; and

a display module below the cover glass, the display module being configured to produce a visible display.

US Pat. No. 9,298,309

SOURCE DRIVER TOUCH TRANSMITTER IN PARALLEL WITH DISPLAY DRIVE

SYNAPTICS INCORPORATED, ...

1. A processing system for a display device integrated with a capacitive sensing device, the processing system comprising:
a driver module comprising driver circuitry, the driver module configured for coupling to a sub-pixel with a first source
line and a first common electrode, wherein the driver module is configured to:

update the sub-pixel by driving the first source line to a first voltage;
drive the first common electrode for capacitive sensing by modulating the first common electrode between a second voltage
and a third voltage; and

shift the first voltage driven onto the first source line while the first common electrode is modulated between the second
voltage and the third voltage by a value about equal to a difference between the second voltage and the third voltage;

a receiver module coupled to a plurality of receiver electrodes configured to receive resulting signals with the receiver
electrodes while the first common electrode is modulated between the second voltage and the third voltage; and

wherein the processing system is configured to determine positional information based on the resulting signals.

US Pat. No. 9,274,659

TRANSCAPACITIVE INPUT OBJECT SENSING

Synaptics Incorporated, ...

1. A method of input object sensing, said method comprising:
driving a plurality of transmitter electrodes in a first way to acquire a first sub-frame image with said plurality of transmitter
electrodes and a plurality of receiver electrodes of a sensor electrode pattern during a first sub-frame of a transcapacitive
sensing frame;

driving said plurality of transmitter electrodes in a second way to acquire a second sub-frame image with said plurality of
transmitter electrodes and said plurality of receiver electrodes during a second sub-frame of said transcapacitive sensing
frame, wherein said first way and said second way differ; and

determining a capacitive image by combining said first sub-frame image with said second sub-frame image such that a motion
artifact associated with an input object and present in at least one of said acquired sub-frame images is suppressed by said
combining.

US Pat. No. 9,262,021

TWO LAYER CAPACITIVE SENSOR

Synaptics Incorporated, ...

1. A capacitive input device comprising:
a first substrate having a first side and a second side;
a first array of first sensor electrodes disposed on the first side, each of the first array of first sensor electrodes having
a first major axis aligned in a first direction;

a second array of second sensor electrodes, each of the second array of second sensor electrodes having a second major axis
aligned in a second direction, wherein the second array of sensor electrodes has a pitch in the first direction, wherein each
of the second array of second sensor electrodes comprises:

a plurality of isolated components disposed on the first side; and
a plurality of connectors disposed on the second side, each of the plurality of connectors ohmically coupling two of the plurality
of isolated components along the second direction and through the first substrate to form the second array of second sensor
electrodes, and

wherein the pitch defines a first distance between centers of an adjacent pair of isolated components of different sensor
electrodes in the second array of sensor electrodes, and

wherein an adjacent pair of connectors, based on being arranged on distal ends of the adjacent pair of isolated components,
are separated by a second distance that is greater than the first distance, the second distance being along the first direction.

US Pat. No. 9,229,592

SHEAR FORCE DETECTION USING CAPACITIVE SENSORS

Synaptics Incorporated, ...

1. An input device having a sensing region overlapping an input surface of the input device, the input device comprising:
a first substrate;
a second substrate physically coupled to the first substrate;
at least one sensor electrode disposed on the first substrate, the at least one sensor electrode configured to detect input
objects in the sensing region;

a first force sensor comprising:
a first force sensor electrode disposed on the first substrate; and
a first conductive portion of the second substrate capacitively coupled with the first force sensor electrode, the first conductive
portion configured to move relative to the first force sensor electrode such that a first variable capacitance of the first
force sensor changes in response to force applied to the input surface in a first direction parallel to the touch surface;
and

a second force sensor comprising:
a second force sensor electrode disposed on the first substrate;
a second conductive portion of the second substrate capacitively coupled with the second force sensor electrode, the second
conductive portion configured to move relative to the second force sensor electrode such that a second variable capacitance
of the second force sensor changes in response to force applied to the input surface in a second direction different from
the first direction and parallel to the input surface; and

a third force sensor electrode disposed on the first substrate, the third force sensor electrode capacitive coupled to the
second force sensor electrode and configured to move relative to the second conductive portion such that the second variable
capacitance changes in response to parallel relative motion between the first substrate and the second substrate, the third
force sensor electrode being a transmitter electrode configured to transmit transmitter signals, and the second force sensor
electrode being a receiver electrode configured to receive resulting signals, and the resulting signals being indicative of
the second variable capacitance and comprising effects from the transmitter signals and the second conductive portion.

US Pat. No. 9,134,843

SYSTEM AND METHOD FOR DISTINGUISHING INPUT OBJECTS

Synaptics Incorporated, ...

1. An input device comprising:
an array of sensing electrodes configured to sense objects in a sensing region;
a processing system coupled to the array of sensing electrodes, the processing system configured to:
operate the array of sensing electrodes to detect positions of objects in the sensing region;
determine a first distance between a first object position and a second object position;
determine a second distance between the second object position and a third object position;
determine a zeroth distance between a zeroth object position and the first object position; and
determine if the first object position and the second object position both correspond to a single input object from the first
distance and the second distance by determining whether the first distance is greater than a first threshold and the second
distance is less than a second threshold, wherein the processing system is configured to determine if the first object position
and the second object position both correspond to the single input object by additionally determining if the zeroth distance
is less than a zeroth threshold.

US Pat. No. 9,046,977

SENSOR DEVICE AND METHOD FOR DETECTING PROXIMITY EVENTS

Synaptics Incorporated, ...

1. A processing system for a capacitive sensing device comprising a sensing region, the processing system comprising:
a sensor module comprising sensing circuitry coupled to a plurality of sensor electrodes under a surface, wherein the sensor
module is configured to acquire a first plurality of frames by driving the sensor electrodes for capacitive sensing; and

a determination module configured to determine first positional information for an input object in a first portion of the
sensing region based on a difference between a first frame of the first plurality of frames and a filtered frame even when
the input object is determined to be in the sensing region when the first plurality of frames are acquired, wherein the filtered
frame is based on one or more of the first plurality of frames; and

wherein a second portion of the sensing region is between the surface and the first portion of the sensing region.

US Pat. No. 10,042,324

OPTICAL FINGERPRINT IMAGING USING HOLOGRAPHY

Synaptics Incorporated, ...

1. An electronic device comprising:a biometric sensor, the biometric sensor comprising:
an illuminator;
a mirror;
a biometric sensor array; and
a beam splitter, the beam splitter configured to:
split a beam received from the illuminator into a first beam incident on a biometric sensing area and a second beam incident on the mirror; and
combine a reflected first beam reflected from the biometric sensing area and a reflected second beam reflected from the mirror into a third beam incident on the sensor array, wherein the reflected first beam and the reflected second beam are combined off-axis with respect to each other in the third beam;
a processing system coupled to the sensor array, the processing system configured to:
transform pixel data from the sensor array into a frequency spectrum, the frequency spectrum including a zeroth order image, a real image, and a virtual image;
filter the frequency spectrum outside of a frequency range corresponding to the real image; and
reconstruct the filtered frequency spectrum into a biometric image.

US Pat. No. 9,612,703

TOP MOUNT CLICKPAD MODULE

Synaptics Incorporated, ...

1. An input device for use with an electronic system, the input device comprising:
a substantially planar deck;
a basin comprising a top, a floor, and at least one slot proximate the floor of the basin, wherein the basin is disposed within
the substantially planar deck and extends downwardly from the top of the basin to the floor of the basin; and

a hardware module disposed inside the basin, the hardware module comprising:
a downwardly deflectable component including an input surface configured to be touched by an input object and a capacitive
sensor layer configured to sense positional information of the input object;

a hinge having a first hinged component comprising at least one pad coupled to a bottom surface of the downwardly deflectable
component, a second hinged component configured to be secured to the basin, and at least one tab configured to be inserted
into the at least one slot of the basin; and

an actuation element disposed between the first and second hinged components and configured to detect deflection of the downwardly
deflectable component in response to a force applied to the input surface by the input object.

US Pat. No. 9,600,121

DRIVING SENSOR ELECTRODES FOR NOISE MEASUREMENT

SYNAPTICS INCORPORATED, ...

1. A processing system for a capacitive sensing device, comprising:
a sensor module comprising sensor circuitry coupled to a plurality of transmitter electrodes and a plurality of receiver electrodes,
the sensor module configured to:

receive resulting signals from the plurality of receiver electrodes during a plurality of noise acquisition bursts while suspending
transmission with the plurality of transmitter electrodes, the resulting signals comprising effects of noise; and

introduce at least one time delay between a respective at least one pair of the plurality of noise acquisition bursts; and
a determination module configured to determine an interference measurement for a first frequency based on the resulting signals.

US Pat. No. 9,594,498

INTEGRATED FINGERPRINT SENSOR AND NAVIGATION DEVICE

Synaptics Incorporated, ...

1. A user device, comprising:
a housing having an opening;
a fingerprint sensor having a flexible substrate, a fingerprint sensing area exposed through the opening of the housing, and
a plurality of fingerprint sensing elements configured to sense a fingerprint of a finger that is present over the fingerprint
sensing area; and

a navigation device disposed below the fingerprint sensing area,
wherein a first portion of the flexible substrate is disposed under the fingerprint sensing area and a second portion of the
flexible substrate is enclosed within the housing,

wherein the fingerprint sensing area includes a plurality of transmitting elements configured to emit a probing signal and
a plurality of receiving elements configured to receive a response signal in response to the probing signal.

US Pat. No. 9,588,629

CLASSIFYING INPUT OBJECTS INTERACTING WITH A CAPACITIVE BUTTON

SYNAPTICS INCORPORATED, ...

1. An input device, comprising:
a first plurality of sensor electrodes overlapping a display;
a second plurality of sensor electrodes;
a processing system communicatively coupled to the first and second plurality of sensor electrodes, the processing system
configured to:

operate the first plurality of sensor electrodes to detect positional information for an input object in a first sensing region
overlapping the display; and

operate the second plurality of sensor electrodes to detect a presence of the input object in a second sensing region by:
driving a capacitive sensing signal to detect the input object onto a first electrode and a second electrode of the second
plurality of sensor electrodes,

receiving a first resulting signal from the first electrode and a second resulting signal from the second electrode of the
second plurality of sensor electrodes, and

determining, based on a ratio between the first and second resulting signals, whether the input object is at least one of
(i) contacting the second sensing region and (ii) hovering over the second sensing region.

US Pat. No. 9,557,875

SYSTEM AND METHOD FOR DETERMINING INPUT OBJECT INFORMATION FROM PROXIMITY AND FORCE MEASUREMENTS

Synaptics Incorporated, ...

1. A processing system for use with an input device having an array of sensor electrodes, the processing system configured
to be communicatively coupled to the array of sensor electrodes and configured to:
operate at least a subset of the array of sensor electrodes to determine a proximity image for input objects in a sensing
region of the input device;

operate at least a subset of the array of sensor electrodes to determine a force image indicative of local deflection of an
input surface of the input device;

determine a first group of proximity pixels from the proximity image corresponding to a first input object in the sensing
region to obtain a determined group of proximity pixels;

determine a first group of force pixels from the force image corresponding to the determined first group of proximity pixels
to obtain a determined group of force pixels;

determine the force for the first input object based on the determined group of force pixels; and
perform a user interface action based on the force determined for the first input object.

US Pat. No. 9,541,588

CURRENT-MODE COARSE-BASELINE-CORRECTION

SYNAPTICS INCORPORATED, ...

1. A system comprising:
a sensor comprising a transmitter electrode and a receiver electrode; and
a coarse-baseline-correction (CBC) circuit, the CBC circuit comprising:
a capacitor coupled to the transmitter electrode, and
a current mirror where an input of the current mirror is electrically coupled to the capacitor and an output of the current
mirror is coupled to the receiver electrode.

US Pat. No. 9,501,184

TRANSCAPACITIVE SENSOR HAVING GATE LINES USED FOR BOTH DISPLAY UPDATING AND CAPACITIVE SENSING

SYNAPTICS INCORPORATED, ...

1. An input device comprising a display device comprising an integrated sensing device:
a plurality of transmitter electrodes including a first transmitter electrode, the plurality of transmitter electrodes operable
to be driven for both capacitive sensing and display updating, wherein each transmitter electrode of the plurality of transmitter
electrodes comprises one or more gate lines of the display device, wherein the gate lines are configured for display updating
and capacitive sensing;

a plurality of receiver electrodes; and
a processing system coupled to the plurality of transmitter electrodes and to the plurality of receiver electrodes, and configured
to:

drive a transmitter signal on the first transmitter electrode that capacitively couples with the receiver electrodes for capacitive
sensing, wherein the transmitter signal comprises a maximum amplitude that is below a display update turn-on voltage for the
plurality of gate lines, and

receive resulting signals with the plurality of receiver electrodes, the resulting signals comprising effects corresponding
to the transmitter signal driven on the first transmitter electrode, the effects in the resulting signal indicative of presence
of an input object in a sensing region of the input device.

US Pat. No. 9,218,095

NON-LINEAR FEEDBACK CAPACITANCE SENSING

Synaptics Incorporated, ...

1. A processing system for an input device, the processing system comprising:
a transmitter module configured to drive a transmitter signal onto a transmitter electrode,
wherein the transmitter signal comprises a plurality of sensing cycles, and
wherein each sensing cycle of the plurality of sensing cycles comprises a rising portion and a falling portion;
a receiver module configured to receive a resulting signal with a receiver electrode, the receiver module comprising:
a digital-to-analog converter (DAC);
a comparator configured to:
generate, for a rising portion of a sensing cycle of the plurality of sensing signals, a first comparison signal associated
with the resulting signal and a first output signal of the DAC; and

generate, for a falling portion of the sensing cycle, a second comparison signal associated with the resulting signal and
a second output signal of the DAC;

a feedback path operatively coupling the DAC to the comparator and configured to maintain an input node of the comparator
at an approximately constant value; and

a control module operatively coupled to the DAC and to an output of the comparator and configured to modify a rising reference
value based on the first comparison signal and a falling reference value based on the second comparison signal; and

a determination module configured to determine positional information for an input object in a sensing region of the input
device based on the rising reference value and the falling reference value.

US Pat. No. 9,201,468

DEVICE AND METHOD FOR PROXIMITY SENSING WITH FORCE IMAGING

Synaptics Incorporated, ...

1. An input device for an electronic system, comprising:
a pliable component having an input surface and a first plurality of sensor electrodes configured to sense input objects proximate
the input surface, wherein the first plurality of sensor electrodes comprises at least a first subset all driven with;

a sensing signal and at least a second subset configured to receive a first type of resulting signal;
a support substrate spaced apart from the pliable component and having a second plurality of sensor electrodes configured
to detect a force imparted to the input surface, wherein the second plurality of sensor electrodes comprises at least one
electrode configured to receive a second type of resulting signal; and

a spacing layer disposed between the pliable component and the support substrate, the spacing layer including an elastomeric
sub-layer and a plurality of rigid dots.

US Pat. No. 9,785,217

SYSTEM AND METHOD FOR LOW POWER INPUT OBJECT DETECTION AND INTERACTION

Synaptics Incorporated, ...

1. A method of operating a touch screen, said method comprising:
detecting, via capacitive sensing, a first object interaction with said touch screen while in a first doze mode to obtain
a first detected object interaction,

wherein said detecting while in said first doze mode is provided by one or more sensor electrodes that are also used for an
active mode of capacitive sensing within a sensing region of said touch screen, and

wherein said detecting while in said first doze mode is performed at a first duty cycle;
determining, in said first doze mode, whether said first detected object interaction with said touch screen is a valid input
object interaction with said touch screen and transitioning to a check input object validity mode,

wherein an invalid orientation of said touch screen will invalidate said first detected object interaction and return to said
first doze mode;

in response to determining said first detected object interaction is an invalid input object interaction in said check input
object validity mode, transitioning to a second doze mode;

detecting, via capacitive sensing, a second object interaction with said touch screen while in the second doze mode to obtain
a second detected object interaction, wherein said detecting while in said second doze mode is performed at a second duty
cycle, said second duty cycle being less frequent than said first duty cycle;

determining whether said second detected object interaction with said touch screen is said valid input object interaction
with said touch screen and transitioning to the check input object validity mode; and

in response to determining said second detected object interaction is said valid input object interaction in said check input
object validity mode:

transitioning from said check input object validity mode to a gesture recognition mode; and
transitioning from said gesture recognition mode to said active mode in response to a determination of a valid gesture interaction
by an object with said touch screen,

wherein said gesture recognition mode is performed at a third duty cycle, said third duty cycle being the same as the first
duty cycle and being different from said second duty cycle, and

wherein said active mode comprises performing capacitive sensing at a fourth duty cycle, said fourth duty cycle being more
frequent than said first duty cycle, said second duty cycle, and said third duty cycle.