US Pat. No. 9,288,575

SOUND AUGMENTATION SYSTEM TRANSFER FUNCTION CALIBRATION

GM GLOBAL TECHNOLOGY OPER...

1. A vehicle system, comprising:
a sound augmentation system comprising a sound augmentation generator coupled to at least one audio output, the sound augmentation
generator produces an augmented audio output to drive the at least one audio output based on a transfer function;

a sound augmentation system health monitor coupled to at least one audio input and a feedback of the augmented audio output,
the sound augmentation system health monitor determines a current performance level of the sound augmentation system based
on the at least one audio input and the feedback of the augmented audio output, and triggers a transfer function update prompt
based on a difference between the current performance level and an expected performance level being at a threshold level;

a user interface that outputs the transfer function update prompt and receives a transfer function calibration request in
response to the transfer function update prompt; and

a transfer function calibration module coupled to the at least one audio output and the at least one audio input, the transfer
function calibration module drives a calibration sequence on the at least one audio output and monitors the at least one audio
input to determine an updated transfer function in response to the transfer function calibration request.

US Pat. No. 9,591,410

HEARING ASSISTANCE APPARATUS

Bose Corporation, Framin...

1. A hearing assistance device, comprising:
an active noise reduction system for reducing the level of ambient noise that reaches a user's ears from sound sources located
in a zone in which the user is located, the active noise reduction system having at least one speaker to reproduce sounds
including anti-noise sounds for canceling out at least a portion of the ambient noise;

a plurality of transducers located on the hearing assistance device for sensing sound present in the zone and outputting signals
from the plurality of transducers representative of the sensed sounds;

a signal processing system for emphasizing sound produced by sound sources located in a desired region of the zone relative
to sound produced by sound sources located in undesired regions of the zone, where an output of the signal processing system
is provided back to the user through the at least one speaker,

wherein the signal processing system:
transforms the signals output by the plurality of transducers into the frequency domain;
determines a magnitude relationship and a phase relationship between the frequency domain representations of the transducer
signals, for each bin of the frequency domain representations, on a block by block basis;

compares the magnitude relationship and the phase relationship to predetermined contours which relate the magnitude and phase
relationships to gain information;

determines, for each frequency bin, a gain based on the comparison that is applied to each bin of the frequency domain representation
of at least one transducer output signal to form a gain altered frequency domain output signal,

wherein a gain of substantially 1 is applied to frequency bins associated with sound produced by sound sources located in
the desired region, and a gain of substantially less than 1 is applied to frequency bins associated with sound produced by
sound sources located outside the desired region; and

transforms the gain altered frequency domain output signal into a time domain output signal for reproduction by the at least
one speaker;

a voice activity detector, wherein the output of the voice activity detector is used to alter gain contours to alter an acceptance
window, and

the determined gains are input to the voice activity detector, the output of the voice activity detector being indicative
of whether or not a voice of interest is present;

a first low pass filter which receives as a first input the output of the voice activity detector; and
a variable rate fast attack slow decay (FASD) filter which receives as an input the output of the low pass filter,
wherein when an average over a period of time of the input to the FASD filter is at a first level, a decay rate of the FASD
filter is set to be at a first rate, and when an average over a period of time of the input to the FASD filter is at a second
level above the first level, a decay rate of the FASD filter is set to be at a second rate below the first rate.

US Pat. No. 9,201,584

AUDIO/VISUAL DEVICE USER INTERFACE WITH TACTILE FEEDBACK

Bose Corporation, Framin...

1. An apparatus comprising:
a touch sensor having a touch-sensitive surface that is manually operable with a digit of a hand of a user, and on which at
least a portion of a racetrack surface is defined;

an actuator coupled to the touch sensor to cause vibratory movement of the touch sensor;
a processing device; and
a storage accessible to the processing device and storing a sequence of instructions that when executed by the processing
device, causes the processing device to, in response to an indication of the digit touching the racetrack surface at a position
on the racetrack surface:

cause a marker to be visually displayed at a location on a menu visually displayed on a display element that corresponds to
the position on the racetrack surface, wherein the menu is disposed about a periphery of the display element surrounding a
display area at which a visual portion of an audio/visual program is displayed and the shape of the racetrack surface corresponds
to the shape of the menu;

cause the display area to be reduced in size to accommodate the menu, and cause the visual portion of the audio/visual program
to be rescaled based on the reduced size;

store menu data corresponding to a location of a plurality of menu items on the menu and virtual textures associated with
the plurality of menu items;

employ the menu data to determine a virtual texture that corresponds to the location of the marker on the menu; and
operate the actuator to cause vibratory movement of the touch sensor to provide a perception of the virtual texture, wherein
a virtual texture of a menu item displayed on the menu differs from a virtual texture of a space between menu items displayed
on the menu.

US Pat. No. 9,118,985

COMMUNICATION OF DIAGNOSTIC INFORMATION FROM SATELLITE TO HOST

Bose Corporation, Framin...

1. An apparatus for controlling an ambient audio environment, said apparatus comprising:
(A) a vehicle sound system comprising:
(i) a subwoofer system comprising:
(a) a subwoofer;
(b) a satellite amplifier for driving said subwoofer;
(c) a satellite controller within said satellite amplifier;
(d) a register, connected to said satellite controller, for storing information indicative of an operating condition of said
subwoofer and for providing said information indicative of said operating condition to said satellite controller; and

(e) a diagnostic subsystem, connected to said register, for identifying said operating condition of said subwoofer and for
providing said information concerning said operating condition to said register;

(ii) a host amplifier for receiving an audio signal;
(iii) a noise management processing unit for providing, to said host amplifier, information to be used for achieving a desired
audio environment

(iv) a sensor for providing information to said noise management processing unit concerning said ambient audio environment;
(v) a control line between said satellite controller and said host amplifier for transmission of control signals to said satellite,
controller; and

(vi) a signal line between said satellite amplifier and said host amplifier for transmission of audio signals to said satellite
amplifier, said satellite controller being configured to cause a diagnostic signal to be placed on said control line, said
diagnostic signal being indicative of said operating condition of said subwoofer.

US Pat. No. 9,174,559

HEADREST

Bose Corporation, Framin...

1. A headrest that is constructed and arranged to be mounted to one or more support rods that are adapted to be coupled to
the backrest of a seat of a vehicle, the headrest comprising:
a main body portion; and
a separate bushing that is positioned at least partially in the main body portion and that comprises a receptacle comprising
a solid material that is adapted to completely surround and receive a portion of a support rod, the bushing constructed and
arranged to partially damp forces that enter the bushing through the main body portion, wherein the bushing has a front that
faces the head of a person sitting in front of the headrest and a rear that opposes the front, and first and second chambers
adjacent to and entirely separate from the receptacle, wherein the first chamber is located between the receptacle and the
front of the bushing. and the second chamber is located between the receptacle and the rear of the bushing.

US Pat. No. 9,174,588

MOUNTING A MICROPHONE ON A VEHICLE HEADLINER

Bose Corporation, Framin...

1. A headliner assembly for a vehicle, the headliner assembly comprising:
a headliner configured for attachment to the vehicle such that the headliner separates a passenger cabin of the vehicle from
a roof panel of the vehicle and such that a first surface of the headliner faces the roof panel, and an opposite, second surface
of the headliner faces the passenger cabin; and

a microphone,
wherein the microphone is mounted along the second surface of the headliner such that, when installed in the vehicle, the
headliner is disposed between the microphone and the roof panel.

US Pat. No. 9,232,299

THREE-DIMENSIONAL AIR-ADSORBING STRUCTURE

Bose Corporation, Framin...

1. A three-dimensional air-adsorbing structure that has a volume, comprising:
(i) a three-dimensional, unitary, skeletal, porous scaffold;
(ii) air-adsorbing material particles; and
(iii) one or more hydrophobic binders that couple air-adsorbing material particles to each other to form agglomerates and
couples particles and agglomerates to the scaffold;

wherein the structure has structure openings in the agglomerates and structure openings between agglomerates, such structure
openings being open to the outside environment;

wherein the air-adsorbing material and the agglomerates are coupled to the scaffold by creating a water-based emulsion of
air-adsorbing material, agglomerates of the material, and binder, and then impregnating the scaffold with this emulsion;

wherein the emulsion is dried at least in part at a temperature below the freezing point of the emulsion.

US Pat. No. 9,199,563

ACTIVE SUSPENSION OF A MOTOR VEHICLE PASSENGER SEAT

Bose Corporation, Framin...

1. A method for controlling the operation of an active suspension system for a motor vehicle passenger seat, where the active
suspension system comprises an actuator that is constructed and arranged to place force on the seat that can move the seat
in a first degree of freedom and a control system that is responsive to a sensor system that detects motor vehicle accelerations
in at least the first degree of freedom, where the sensor system comprises an accident detection system that detects motor
vehicle accident conditions, where the control system provides control signals that cause the actuator to exert a force on
the seat in the first degree of freedom, wherein in normal active suspension operation mode the actuator is controlled to
output forces that reduce acceleration of the seat so as to counteract motions of the seat in the first degree of freedom,
the method comprising:
in response to the detection of an accident condition, using the control system to operate the actuator in a crash performance
mode where the actuator is controlled to output a force on the seat that can move the seat, where the force is proportional
to the velocity of the seat in the first degree of freedom.

US Pat. No. 9,179,237

VIRTUAL AUDIO SYSTEM TUNING

Bose Corporation, Framin...

1. A method of virtually tuning an audio system that incorporates an acoustic compensation system, where the audio system
is adapted to play audio signals in a listening environment using one or more sound transducers, the acoustic compensation
system comprising an audio sensor located at a sensor location in the listening environment, wherein transfer functions from
each sound transducer to the audio sensor location are inherent, and wherein there are a pair of sound evaluation locations
in the listening environment at the approximate location of where the ears of a listener would be, where the sound evaluation
locations are different than the sensor location, the method comprising:
recording noise at the sensor location;
recording noise at both of the sound evaluation locations simultaneously with recording noise at the sensor location;
creating virtual transfer functions for each sound transducer to the sensor location, based on the inherent transfer functions
from each sound transducer to the sensor location;

processing audio signals through the virtual sound transducer to sensor location transfer functions; and
creating a virtual sensor signal by combining the audio signals processed through the virtual sound transducer to sensor location
transfer functions with the noise recorded at the sensor location.

US Pat. No. 9,123,320

FREQUENCY-DEPENDENT ANR REFERENCE SOUND COMPRESSION

Bose Corporation, Framin...

1. An active noise reduction (ANR) circuit comprising:
a digital feed-forward ANR pathway coupled to a feed-forward microphone, to detect environmental sounds in an environment
external to a casing, and coupled to a first acoustic driver to output sounds within the casing; and

a user input;
wherein the digital feed-forward ANR pathway applies a filter using a first set of coefficients to convert signals from the
feed-forward microphone to feed-forward anti-noise sounds to reduce environmental sounds within the casing, and

in response to activation of the user input, the digital feed-forward ANR pathway applies the filter using a second set of
coefficients,

the second set of coefficients reducing the degree of feed-forward ANR to enable human speech sounds in the environment external
to the casing to be conveyed from the feed-forward microphone to the acoustic driver with less reduction than provided by
the first set of coefficients.

US Pat. No. 9,351,072

MULTI-BAND HARMONIC DISCRIMINATION FOR FEEDBACK SUPPRESSION

Bose Corporation, Framin...

1. A method for detecting feedback in an electrical amplification system, the method comprising:
dividing a frequency spectrum into a plurality of frequency bands;
classifying, by a processor receiving an incoming audio signal, a tone present in the incoming audio signal into one of the
frequency bands based on a frequency of the tone;

selecting a threshold value with the processor based on the frequency band into which the tone is classified, the threshold
value being different from at least one other threshold value associated with another one of the frequency bands; and

disqualifying the tone from potentially being feedback if an amplitude of the tone is determined by the processor to be greater
than an amplitude of a harmonic of the tone by less than the threshold value.

US Pat. No. 9,445,184

ACTIVE NOISE REDUCTION HEADPHONE

Bose Corporation, Framin...

1. An active noise reduction earphone, comprising:
a speaker configured to generate an acoustic signal in response to a speaker input signal;
a plurality of feedback microphones each fixed in location relative to the speaker and to each of the other feedback microphones,
each of the feedback microphones configured to generate a microphone signal in response to an acoustic noise signal received
at the feedback microphone; and

a feedback system in communication with the speaker and the plurality of feedback microphones, the feedback system combining
the microphone signals generated by the plurality of feedback microphones into a single feedback error signal and generating
the speaker input signal in response to the single feedback error signal, wherein the speaker input signal comprises an inverse
noise signal to generate an inverse acoustic noise signal at the speaker that reduces the acoustic noise signal at a predetermined
location relative to the speaker and the feedback microphones.

US Pat. No. 9,358,910

ACTIVE SUSPENSION OF A MOTOR VEHICLE PASSENGER SEAT

Bose Corporation, Framin...

1. A method for controlling the operation of an active suspension system for a motor vehicle passenger seat, where the active
suspension system comprises an actuator that is constructed and arranged to place force on the seat that can move the seat
in a first degree of freedom and a control system that is responsive to a sensor system that detects motor vehicle accelerations
in at least the first degree of freedom, where the sensor system comprises an accident detection system that detects motor
vehicle accident conditions, where the control system provides control signals that cause the actuator to exert a force on
the seat in the first degree of freedom, wherein in normal active suspension operation mode the actuator is controlled to
output forces that reduce acceleration of the seat to achieve a desired resultant motion of the seat in the first degree of
freedom, the method comprising:
in response to the detection of an accident condition, using the control system to operate the actuator in a crash performance
mode where the actuator is controlled to output a force on the seat that can move the seat, where the force is output to achieve
a desired resultant motion of the seat in the first degree of freedom that differs from the desired resultant motion when
the active suspension system is operating in normal active suspension operation mode.

US Pat. No. 9,311,910

VEHICLE ENGINE SOUND ENHANCEMENT

Bose Corporation, Framin...

1. A method comprising:
providing a fundamental frequency corresponding to the RPM of an engine of a vehicle;
determining a plurality of harmonics of the fundamental frequency;
determining a target shape of the plurality of harmonics, the target shape comprising, for each of the harmonics of the plurality
of the harmonics, a gain value as a function of the RPM of the engine;

determining an accelerator pedal position (APP) based gain comprising a gain value as a function of an accelerator pedal position;
determining a speed based gain comprising a gain value as a function of a difference between a set maximum speed of the vehicle
and a measured vehicle speed of the vehicle; and

combining the plurality of harmonics, the target shape of the plurality of harmonics, the APP based gain, and the speed based
gain to produce a set of engine harmonic enhancement signals.

US Pat. No. 9,129,610

FILTERING FOR DETECTION OF LIMITED-DURATION DISTORTION

Bose Corporation, Framin...

1. A method for processing a signal, the method comprising:
receiving data that includes an input signal;
filtering the input signal to generate a filtered signal, wherein if the input signal includes at least one instance of a
nonlinear distortion of a desired signal, then the filtered signal includes a signature signal corresponding to the nonlinear
distortion, the nonlinear distortion being characterized by a time duration that is within a predetermined range; and

detecting whether the filtered signal includes the signature signal,
wherein detecting whether the filtered signal includes the signature signal comprises applying a matched filter to the filtered
signal.

US Pat. No. 9,185,476

AUTOMATED CUSTOMIZATION OF LOUDSPEAKERS

Bose Corporation, Framin...

1. A loudspeaker comprising:
a horn comprising a first end panel, a second end panel, a first side panel, and a second side panel, edges of at least the
first and second side panels defining a diffraction slot opening;

a plurality of manifold components, each comprising at least one acoustic passage and an output opening connected to the diffraction
slot opening, the output openings of the plurality of manifold components together constituting a diffraction slot source
at the diffraction slot opening; and

a plurality of electro-acoustic transducers, each connected to an input opening of one of the manifold components.

US Pat. No. 9,118,987

MOTOR VEHICLE ACTIVE NOISE REDUCTION

Bose Corporation, Framin...

1. A method for operating an active noise reduction system for a motor vehicle that has an engine, where there is an active
noise reduction system input signal that is related to the vehicle engine operation, and where the active noise reduction
system comprises one or more adaptive filters that output noise reduction signals that are used to drive one or more transducers
with their outputs directed to reduce engine noise, a computer memory, that stores relationships between the transducer voltage
level and the resulting engine noise level cancelled as a function of transducer output frequency, and that stores relationships
between the engine load and the resulting sound pressure level as a function of an engine harmonic noise frequency, the method
comprising:
estimating the engine harmonic noise level from the input signal that is related to the vehicle engine operation; and
limiting the output of the transducers based on the estimate of the engine harmonic noise level.

US Pat. No. 9,424,828

SYSTEM AND METHOD OF MICROPHONE PLACEMENT FOR NOISE ATTENUATION

Bose Corporation, Framin...

1. A method of attenuating noise comprising:
identifying a location in an area at which sound emitted from one or more speakers has acoustic characteristics that are matched
in measure to corresponding acoustic characteristics of the emitted sound at a location near an ear of an occupant of the
area, the identifying comprising:

computing a first transfer function for the sound emitted from the one or more speakers at the location near the ear of an
occupant of the area;

computing a second transfer function for the sound emitted from the one or more speakers at a second location in the area
spatially separated from the location near the ear;

comparing the first transfer function to the second transfer function; and
identifying the second location as a candidate for the identified location at which to place a microphone if the second transfer
function is matched in measure to the first transfer function;

placing the microphone at the identified location; and
generating, in response to sound detected by the microphone, a noise-canceling audio signal adapted to attenuate one or more
frequencies in the sound detected by the microphone.

US Pat. No. 9,177,541

INSTABILITY DETECTION AND CORRECTION IN SINUSOIDAL ACTIVE NOISE REDUCTION SYSTEM

Bose Corporation, Framin...

1. A method for operating an active noise reduction system that is designed to reduce sinusoidal noise emanating from a rotating
device, where there is an active noise reduction system input signal that is related to the frequency of the sinusoidal noise
to be reduced, and where the active noise reduction system comprises one or more adaptive filters that output a generally
sinusoidal noise reduction signal that is used to drive one or more transducers with their outputs directed to reduce the
sinusoidal noise, the method comprising:
detecting distortions of the noise reduction signal by comparing the zero crossing rate of the noise reduction signal to the
zero crossing rate of the sinusoidal noise; and

altering the noise reduction signal based on the detected distortions.

US Pat. No. 9,111,521

MODULAR ACOUSTIC HORNS AND HORN ARRAYS

Bose Corporation, Framin...

1. Apparatus, comprising:
a first acoustic horn, comprising
a first acoustic module comprising
a first acoustic driver; and
a first acoustic duct, for conducting acoustic energy from the first acoustic driver, the
first acoustic duct having a first opening through which acoustic energy is radiated, the
first acoustic duct characterized by a first centerline; and
a second acoustic module comprising
a second acoustic driver; and
a second acoustic duct, for conducting acoustic energy from the acoustic driver, the second acoustic duct having a second
opening through which acoustic energy is radiated, the second acoustic duct characterized by a second centerline;

the first module and the second module configured to be positioned and held in place so that the first and second openings
are aligned to form a substantially continuous diffraction slot and so that the first and second centerlines are normal to
an arc and intersect at a first one of a plurality of angles, wherein the first acoustic horn is disposed within a first enclosure
and a top wall of the first acoustic horn directly corresponds to a top wall of the first enclosure and a bottom wall of the
first acoustic horn directly corresponds to a bottom wall of the first enclosure.

US Pat. No. 9,072,186

HARNESS ASSEMBLY

Bose Corporation, Framin...

1. An assembly for physically securing, and providing data and power to, a portable electronic consumer product that has opposed
sides that each include a protruding ridge, where the portable electronic consumer product also has an electrical power input
connector and a data input connector, the assembly comprising:
first and second separate housing portions that are constructed and arranged to be separably coupled together to thereby define
a housing with an interior, where the first and second housing portions each define a complementary slot that fits over a
ridge when the first and second housing portions are coupled together around the consumer product such that the housing forms
a tight locational clearance fit with the consumer product when the first and second housing portions are coupled together
around the opposed sides of the consumer product;

a cord assembly that is constructed and arranged to carry electrical power and data, the cord assembly located in part inside
the housing;

a housing power connector that terminates the power carried by the cord assembly and is constructed and arranged to electrically
couple with the power input connector of the consumer device; and

a housing data connector that terminates the data carried by the cord assembly and is constructed and arranged to electrically
couple with the data input connector of the consumer device;

where the housing power connector and the housing data connector are both carried by the housing.

US Pat. No. 9,049,534

DIRECTIONALLY RADIATING SOUND IN A VEHICLE

Bose Corporation, Framin...

1. An audio system for a vehicle, comprising:
a directional loudspeaker mounted to a vehicle seat, behind an intended location of the head of an occupant of the vehicle
seat and substantially equidistant from an intended position of the two ears of the occupant of the vehicle seat;

the directional loudspeaker for radiating a first non-surround channel audio signal directionally so that the direction toward
an intended location of a first ear position of the occupant of the vehicle seat is a high radiation direction and for radiating
a second non-surround channel audio signal directionally so that the direction toward an intended location of a second ear
position of the occupant of the vehicle seat is a high radiation direction;

a forward mounted loudspeaker mounted forward of the directional loudspeaker for radiating at least one of the first non-surround
channel audio signal and the second non-surround channel audio signal;

signal processing circuitry for modifying the first non-surround channel audio signal to at least one of the directional loudspeaker
and the forward mounted loudspeaker to cause one of the directional loudspeaker or the forward mounted speaker to dominate
spatial perception,

wherein the signal processing circuitry includes circuitry for delaying the first non-surround channel audio signal to one
of the directional loudspeaker and the forward mounted loudspeaker.

US Pat. No. 9,299,337

VEHICLE ENGINE SOUND ENHANCEMENT

Bose Corporation, Framin...

1. A method, comprising:
providing a fundamental frequency corresponding to the RPM of an engine of a vehicle;
determining a plurality of harmonics of the fundamental frequency;
determining a target shape of the plurality of harmonics, the target shape comprising, for each of the harmonics of the plurality
of the harmonics, a gain value as a function of the RPM of the engine;

determining an engine harmonic enhancement gain curve comprising gain values as a function of engine load; and
combining the plurality of harmonics, the target shape of the plurality of harmonics, and the engine harmonic enhancement
gain curve to produce a set of harmonic enhancement signals;

wherein determining the engine harmonic enhancement gain curve comprises, for at least one of the plurality of harmonics,
determining a set of gain values as a function of engine load that is different from a set of gain values as a function of
engine load corresponding to the other harmonics,

wherein determining of an engine harmonic enhancement gain curve for at least one of the plurality of harmonics comprises:
determining the value of a parameter other than the engine load related to an operating condition of a vehicle; and
responsive to the value of the parameter and the engine load, determining the engine harmonic enhancement gain curve, and
wherein the parameter is a transmission ratio of a continuously variable transmission.

US Pat. No. 9,247,335

SEALING WIRING HOLES IN ELECTRONIC DEVICES

Bose Corporation, Framin...

1. An apparatus comprising:
an enclosure having a wall separating a first volume from a second volume;
the wall defining a hole having a diameter and allowing passage between the first volume and the second volume;
a wire passing through the hole; and
a gasket surrounding the wire at the hole,
the gasket comprising:
a first section including a groove between a first flange and a second flange, the groove having an outer diameter matched
to the diameter of the hole and the flanges having outer diameters greater than the diameter of the hole,

a second section adjacent the first flange and including a tubular portion having a diameter less than the diameter of the
hole, and a tapered section smoothly transitioning from the diameter of the tubular portion to the diameter of the first flange,
and

a bore passing through the first and second sections and having an inner diameter matched to the diameter of the wire;
the gasket preventing flow of fluid through the hole between the first volume and the second volume; wherein
the diameter of the bore and the coefficient of friction solely between the gasket and the wire are such that before being
positioned in the hole, the force required to pull the wire through the gasket is more than the force required to pull the
tapered section and the first flange of the gasket through the hole, and

the diameter of the bore, the outer diameter of the groove, and the coefficient of friction solely between the gasket and
the wire are such that when positioned in the hole, the force required to pull the wire through the gasket is less than the
force required to pull the second flange of the gasket through the hole.

US Pat. No. 9,191,739

ACTIVE REDUCTION OF HARMONIC NOISE FROM MULTIPLE ROTATING DEVICES

Bose Corporation, Framin...

1. A system for reducing noise caused by a plurality of rotating devices by taking in a plurality of input signals with frequencies
that are related to the rotation rates of the rotating devices, and causing one or more loudspeakers to produce sounds that
are at about the same frequencies as the noise and of substantially opposite phase, the system comprising:
a plurality of noise cancellers, each noise canceller comprising a harmonic frequency computer that computes from an input
signal a harmonic frequency and provides the harmonic frequency to a harmonic sine wave generator that generates an output
sine wave, and an adaptive filter that uses a sine wave to create a noise reduction signal that is used to drive one or more
transducers with their outputs directed to reduce noise caused by the rotating devices; and

an overlap detector that compares the harmonic frequencies and, based on the proximity of the harmonic frequencies, alters
the operation of one or more of the adaptive filters.

US Pat. No. 9,055,370

VIBRATION-REDUCING PASSIVE RADIATORS

Bose Corporation, Framin...

1. An audio system comprising:
an enclosure enclosing a volume of air;
a first transducer for producing acoustic energy from an electrical signal, the first transducer mounted to the enclosure
and in fluid communication with the volume of air such that the transducer creates pressure fluctuations in the volume of
air;

a passive radiator mounted to the enclosure and in fluid communication with the volume of air end in fluid communication with
air outside of the enclosure, wherein the passive radiator comprises a diaphragm that is moved in and out relative to the
enclosure solely by a pressure differential across the diaphragm;

a fulcrum fixed to a mechanical ground; and
a lever arm mechanically coupled to the fulcrum and mechanically coupled to the diaphragm on a first side of the fulcrum,
the lever arm having a mass coupled to it on a second side of the fulcrum, wherein the lever arm and its mass are configured
to move with the diaphragm such that movement of the lever arm and its mass reduce a level of vibration transmitted to the
mechanical ground caused by movement of the diaphragm when compared with the level of vibration transmitted to the mechanical
ground by movement of the diaphragm without the operation of the lever arm and its mass, wherein such movement of the lever
arm is caused solely by movement of the diaphragm.

US Pat. No. 9,055,383

MULTI CHANNEL BASS MANAGEMENT

Bose Corporation, Framin...

9. An audio system comprising:
a plurality of input channels;
first combining circuitry for combining audio signals in a first group of the plurality of input channels to provide a first
combined audio signal stream;

second combining circuitry for combining audio signals in a second group of the plurality of input channels to provide a second
combined audio signal stream, wherein the second croup of the plurality of input channels does not include any of the input
channels that are in the first group;

third combining circuitry for combining the first combined audio signal stream and the second audio signal stream to provide
a third combined audio signal stream;

a first band pass filter, for filtering the first combined audio signal stream to provide a first band pass filtered bass
audio signal stream;

a second band pass filter, for filtering the second combined audio signal stream to provide a second band pass filtered bass
audio signal stream;

a low pass filter, for filtering the third combined audio signal stream to provide a low pass filtered third bass audio signal
stream including frequencies in a second, very low frequency spectral band, the second very low frequency spectral band including
lower frequencies than the low frequency spectral band; and

transmitting circuitry for transmitting each of the first band pass filtered bass audio signal stream, the second band pass
filtered bass audio signal stream, and the low pass filtered third bass audio signal stream to respective loudspeakers.

US Pat. No. 9,050,212

BINAURAL TELEPRESENCE

Bose Corporation, Framin...

1. A system for providing binaural telepresence, the system comprising:
a first communication device;
a first set of active noise reducing headphones having an active noise-cancelling mode and an active hear-through mode, coupled
to the first communication device and configured to provide first left and right feed-forward microphone signals to the first
communication device;

a second communication device capable of receiving signals from the first communication device; and
a second set of active noise reducing headphones having an active noise-cancelling mode, coupled to the second communication
device;

wherein
the first communication device is configured to transmit the first left and right feed-forward microphone signals to the second
communication device;

the second communication device is configured to provide the first left and right feed-forward microphone signals to the second
set of headphones; and

the second set of headphones are configured to
activate their noise-cancelling mode while reproducing the first left and right feed-forward microphone signals so that a
user of the second set of headphones hears ambient noise from the environment of the first set of headphones, and

filter the first left and right feed-forward microphone signals so that the user of the second set of headphones hears the
ambient noise from the first set of headphones with ambient naturalness.

US Pat. No. 9,403,454

EXTERNAL ATTACHMENTS FOR SPEAKERS IN SEATS

Bose Corporation, Framin...

1. A speaker grill configured to be attached to a speaker system disposed in a portion of a vehicle seat, the speaker grill
comprising:
a base that includes perforations to allow acoustic energy from the speaker system to pass through the grill;
a sidewall extending from the base such that the sidewall and the base define a cavity; and
a structural feature configured to allow the speaker grill to be to be attached to a substantially rigid portion of the vehicle
seat and in an acoustic path of the speaker system, and to be removed from the substantially rigid portion of the vehicle
seat following attachment, the substantially rigid portion comprising a connector disposed in an acoustic channel of the speaker
system, the connector being attached to an acoustic enclosure of the speaker system.

US Pat. No. 9,385,610

POWER SUPPLY WITH TICKLE PULSE INJECTION

Bose Corporation, Framin...

1. A power supply comprising:
an output node that is configured to deliver a target output voltage to a variable load;
one or more power switches that controls power delivered to the output node;
a controller configured to produce a series of variable width pulses that control operation of the power switches such that
the output node delivers a near constant target output voltage to the load, wherein the controller is configured to receive
a voltage error signal indicating the difference between an actual voltage at the load and the target voltage and alter at
least the width of the pulses delivered to the power switches, and wherein the controller is configured to operate in a pulse
skipping mode, where periods of switching and no switching are controlled by a hysteretic window of the voltage error signal;
and

a tickle pulse generator configured to generate a series of tickle pulses that are combined with the voltage error signal
supplied to the controller, wherein at least some of the pulses cause the controller to generate a pulse delivered to the
power switches when the load draws little or no power.

US Pat. No. 9,331,799

SYNCHRONOUS AUDIO PLAYBACK

Bose Corporation, Framin...

1. A method for managing the distribution of audio data to a plurality of networked audio playback devices that are adapted
to play audio, where the audio data is delivered from one or more digital audio sources to one or more of the audio playback
devices, and where the audio playback devices are each adapted to monitor via the network and store in their local memory
information regarding audio data that is being played by other audio playback devices, the method comprising:
determining when more than one of the audio playback devices has been directed to play the same audio data, comprising comparing
audio content identifiers of audio being streamed to one audio playback device to the audio content identifiers of audio which
another audio playback device is trying to access; and

in response to the determination, directing that two or more of the audio playback devices synchronously play the same audio
data.

US Pat. No. 9,245,519

FORWARD SPEAKER NOISE CANCELLATION IN A VEHICLE

BOSE CORPORATION, Framin...

1. An apparatus, comprising:
a first speaker positioned forward of a steering wheel of a vehicle;
a second speaker positioned forward of the steering wheel, wherein the first speaker and the second speaker generate a plurality
of noise cancellation signals to acoustically cancel noise produced by operation of the vehicle;

a first controller configured to execute active noise cancellation to affect operation of the first speaker;
a second controller configured to execute active noise cancellation to affect operation of the second speaker; and
a master controller configured to adjust a signal calculation of at least one of the first controller and the second controller.

US Pat. No. 9,240,819

SELF-TUNING TRANSFER FUNCTION FOR ADAPTIVE FILTERING

Bose Corporation, Framin...

1. A computer-implemented method comprising:
receiving, at one or more processing devices, a plurality of values representing a set of coefficients of an adaptive filter
over a period of time;

identifying, by the one or more processing devices based on the plurality of values, a phase error associated with a transfer
function of the adaptive filter;

adjusting, based on the identified phase error, a phase associated with the transfer function of the adaptive filter such
that coefficients calculated using the adjusted transfer function reduce the phase error;

determining a set of coefficients for the adaptive filter based on the adjusted transfer function; and
programming the adaptive filter with the determined set of coefficients to enable operation of the adaptive filter.

US Pat. No. 9,177,542

MOTOR VEHICLE ADAPTIVE FEED-FORWARD NOISE REDUCTION

Bose Corporation, Framin...

1. A method for operating an adaptive feed-forward noise reduction system for a motor vehicle, where there is an adaptive
feed-forward noise reduction system input sine wave at a frequency to be cancelled, and where the adaptive feed-forward noise
reduction system comprises an adaptive filter that outputs noise reduction signals that are used to drive one or more transducers
with their outputs directed to reduce engine noise, and further comprises an input transducer with an output signal that is
a source of a control signal for the adaptive filter, the method comprising filtering the output signal of the input transducer
before it reaches the adaptive filter so as to reduce the level of the output signal of the input transducer at one or more
frequencies that are adjacent to but not the same as the frequency of the input sine wave.

US Pat. No. 9,135,928

AUDIO TRANSMISSION CHANNEL QUALITY ASSESSMENT

Bose Corporation, Framin...

1. A method for evaluation of the quality of a bi-directional transmission channel while the bi-directional transmission channel
is being used to transmit an electronic speech signal that is derived from speech that was spoken by a human speaker and captured
at a near end of the bi-directional transmission channel, where the speech signal is transmitted over the bi-directional transmission
channel and used to reproduce the speech at a far end of the bi-directional transmission channel, the method comprising:
determining near-end characteristics of the speech at the near end of the bi-directional transmission channel;
determining, at the far end of the bi-directional transmission channel and from the transmitted speech signal, far-end characteristics
of the speech;

comparing the near end and far end speech characteristics and developing comparison results; and
causing notification of the speaker if the comparison results do not meet a predetermined quality metric:
wherein at least one of the far end speech characteristics and the comparison results are transmitted over the bi-directional
transmission channel to the near end of the bi-directional transmission channel.

US Pat. No. 9,131,326

AUDIO SIGNAL PROCESSING

Bose Corporation, Framin...

1. A circuit-implemented method, comprising:
Determining, by a circuit, a video characteristic of a digital bitstream according to a sample rate of an audio signal in
the digital bitstream wherein determining comprises:

if the sample rate of the audio signal is 48 m kHz, where m is an integer, determining that there are video signals corresponding
to the audio signals; and

if the sample rate of the audio signal is 44.1 m kHz, where m is an integer, determining that there are no video signals corresponding
to the audio signals;

if the determining step is indeterminate of whether or not there are video signals corresponding to the audio signals, performing
by the circuit one or more additional tests to determine whether or not there are video signals corresponding to the audio
signals.

US Pat. No. 9,100,748

SYSTEM AND METHOD FOR DIRECTIONALLY RADIATING SOUND

Bose Corporation, Framin...

1. A method of providing and operating an audio system that provides audio radiation to a plurality of listening positions
located in an environment, the method comprising the steps of:
(a) providing at least one source of audio signals;
(b) providing, at each of a plurality of the listening positions in the environment, at least one array of speaker elements
that receives the audio signals and responsively radiates output acoustic energy, wherein the speaker elements of each array
are disposed with respect to each other so that the output acoustic energy radiated from respective said speaker elements
destructively interfere to thereby define a directional audio radiation from the at least one array;

(c) providing a filter between the at least one source and at least one of the speaker elements in a first said array at a
first listening position of the plurality of listening positions, wherein the filter processes the audio signals from the
at least one source to the at least one speaker element;

(d) defining a cost function that compares acoustic energy in the environment radiated from the first array to at least one
other listening position of the plurality of listening positions to acoustic energy in the environment radiated from the first
array to the first listening position;

(e) calculating the cost function; and
(f) iteratively modifying the filter in response to the calculated cost function toward a predetermined criteria so that the
filter reduces a magnitude of acoustic energy radiated from the first array to the at least one other listening position,
compared to a magnitude of acoustic energy radiated from the first array to the first listening position.

US Pat. No. 9,407,986

SIMULTANEOUS WIRED AND WIRELESS CONNECTION FOR DEMONSTRATION PRODUCT

Bose Corporation, Framin...

1. A portable audio device comprising:
a wireless interface for receiving first audio signals;
a wired audio input for receiving second audio signals;
a mixing circuit coupled to the wireless interface and the wired audio input and outputting third audio signals including
audio content from both the first and second audio signals;

a user interface;
a data interface;
a programmable processor in communication with the user interface and the data interface;
an output audio transducer for receiving the third audio signals from the mixing circuit and outputting them as audible signals;
and

a security cable for discouraging theft of the portable audio device;
wherein the security cable includes first electrical conductors providing the wired connection for receiving the second audio
signals, and wherein the security cable further includes second electrical conductors providing the data interface to the
programmable processor.

US Pat. No. 9,398,364

EARPIECE PASSIVE NOISE ATTENUATING

Bose Corporation, Framin...

1. An ear tip for an in-ear earpiece, comprising:
a body shaped to fit in the lower concha of a wearer's ear, the body having a generally flat surface that rests against the
surface of the concha;

a nozzle extending from the body towards the ear canal of the wearer's ear, the nozzle including an acoustic passage to conduct
sound waves to the ear canal of the wearer;

an ear-canal sealing structure extending from the nozzle; and
a retaining structure extending from the body towards the antihelix of the wearer's ear;
wherein
the sealing structure comprises a thin layer of material forming a hollow frusto-conical shape surrounding the nozzle,
the sealing structure is joined to the nozzle at a narrow end of the frusto-conical shape,
a wide end of the frusto-conical shape is larger than a typical ear canal is wide, and
when the ear tip is placed in an ear,
the retaining structure presses against the antihelix along an outer edge of the retaining structure and thereby presses the
body and the nozzle towards the ear canal,

the sealing structure seals the entrance to the ear canal, and
the body prevents the nozzle and sealing structure from extending into the ear canal beyond the entrance.

US Pat. No. 9,215,529

MULTI-MODE AUDIO DEVICE INTERFACING

Bose Corporation, Framin...

1. A headset comprising:
an acoustic driver;
an interface circuit;
a storage;
a connector and a plurality of audio signal conductors to enable coupling of the headset to a device;
a separator circuit coupled to two audio signal conductors of the plurality of audio signal conductors and to the interface
circuit, and structured to:

monitor a voltage placed across the two audio signal conductors by the device to distinguish between operation of the plurality
of audio signal conductors in a first digital interfacing mode and a second digital interfacing mode by the device;

enable access to the interface circuit by the device in response to operation of the plurality of audio conductors in the
first digital interfacing mode to allow an exchange of data representing audio to be acoustically output by the acoustic driver;
and

enable access to the storage by the device in response to operation of the plurality of audio conductors in the second digital
interfacing mode to allow the device to retrieve data stored within the storage.

US Pat. No. 9,208,773

HEADSET NOISE-BASED PULSED ATTENUATION

BOSE CORPORATION, Framin...

1. A method of controlling sounds acoustically output by an acoustic driver disposed within a casing of an earpiece of a headset,
the method comprising:
compressing a signal representing sounds detected by a microphone of the headset that is acoustically coupled to the environment
external to the casing in response to detecting an onset of a peak in the signal that exceeds a predetermined voltage level
and that has a rate of change in voltage level that exceeds a predetermined rate of change, and

reducing a gain of the signal in response to detecting speech sounds of a user of the headset detected by a noise-canceling
communications microphone that is disposed on the headset towards the vicinity of the user's mouth.

US Pat. No. 9,173,018

ACOUSTIC FILTER

Bose Corporation, Framin...

1. A loudspeaker element comprising:
an enclosure;
a cone diaphragm of a driver element located within the enclosure;
a first cavity wall extending from the cone diaphragm of the driver element to a throat opening which has an area less than
an area of the cone diaphragm and forming a first cavity within the enclosure; an exit element extending from the throat opening
to an environment outside of the enclosure;

an impedance compensation element extending from the first cavity wall, the impedance compensation element including a second
cavity wall which forms a second cavity within the enclosure and an acoustic resistance element separating the second cavity
from the first cavity;

wherein the impedance compensation element comprises a resonating compensation element that comprises a first lumped element
resonating structure;

wherein the first lumped element resonating structure comprises:
the second cavity;
the resistance element;
a third cavity wall forming a third cavity within the enclosure; and
a passive radiator element separating the third cavity from the second cavity.

US Pat. No. 9,137,602

SYSTEM WITH SPEAKER, TRANSCEIVER AND RELATED DEVICES

Bose Corporation, Framin...

1. A system comprising
a housing;
a speaker included in the housing;
a transceiver to wirelessly transmit and receive audio content and control information, the speaker being able to produce
audible signals from the audio content received by the transceiver; and

a remote control that is able to control operation of the speaker and the transceiver, the remote control also being able
to transmit a signal for selecting one or more remote speakers for operation which are remote from the housing, wherein the
remote control can be used to control operations of one or more of the remote speakers, wherein the operations include one
or more of volume control, balance, mute and equalization.

US Pat. No. 9,049,517

TRANSMISSION LINE LOUDSPEAKER

Bose Corporation, Framin...

1. A loudspeaker comprising an acoustic waveguide comprising:
an enclosure;
an acoustic transmission line formed within the enclosure; and
a plurality of acoustic transducers contained within the enclosure and disposed along a length of the acoustic transmission
line, each acoustic transducer configured to emit acoustic energy directly into the acoustic transmission line at two separated
locations along the length of the acoustic transmission line,

wherein the acoustic transmission line is a folded acoustic transmission line, the enclosure includes an internal wall with
each side of the internal wall forming at least some of a boundary of the folded acoustic transmission line, and the plurality
of acoustic transducers are disposed along the internal wall,

wherein the internal wall is corrugated,
wherein the plurality of acoustic transducers are disposed through the internal wall such that they emit acoustic pressure
waves in a direction substantially parallel to a direction of extension of the internal wall, and

wherein the plurality of acoustic transducers are installed in the internal wall such that the front sides of the acoustic
transducers facing into a first corrugation groove face one another and the back sides of the of the acoustic transducers
facing into a second corrugation groove face one another.

US Pat. No. 9,439,272

DISPLAY LIGHTING AND RELATED DEVICES AND METHODS

Bose Corporation, Framin...

10. A display lighting system, comprising:
a light driver to set intensity levels of lights connected to a plurality of lighting channels; and
a lighting controller configured to receive a compiled lighting sequence and use the compiled lighting sequence to provide
input to the light driver to cause the light driver to set the intensity levels of the lights connected to the plurality of
lighting channels according to the compiled lighting sequence, wherein the compiled lighting sequence comprises a plurality
of lighting actions, and wherein transitions between lighting actions are defined in the compiled lighting sequence to occur
after expiration of user specified amounts of time.

US Pat. No. 9,398,373

DIRECT SELECTION OF AUDIO SOURCE

Bose Corporation, Framin...

12. A wireless audio output device comprising:
a processor,
a memory,
a user input,
a wireless interface, and
a speaker, wherein
the processor is configured to carry out an audio source selection process comprising:
storing a list of two or more paired wireless audio sources in the memory, the list including information about each wireless
audio source, the information including a name of each of the wireless audio sources, and at least a first wireless audio
source and a last wireless audio source;

connecting to a first and a second wireless audio source from the list, the first connected source being a primary source
and the second connected source being a secondary source;

receiving an indication from the user input;
using a text-to-speech engine to generate an audio signal corresponding to a name of a selected wireless audio source in the
list;

using the speaker to output the audio signal; and
if an amount of time greater than a predefined value elapses without receiving a successive indication from the user input,
causing the wireless interface to connect to the selected wireless audio source;

whenever the successive indication is received from the user input before the elapsed time exceeds the predefined value:
using the text-to-speech engine to generate a next audio signal corresponding to a name of a next selected wireless audio
source in the list; and

using the speaker to output the next audio signal; and
when an amount of time greater than the predefined value elapses without the successive indication from the user input:
connecting to the next selected wireless audio source;
if the next selected wireless audio source is also the second connected source, re-assigning the second connected source as
the primary source and re-assigning the first connected source as the secondary source; and

if the next selected wireless source is other than the first or the second connected sources, assigning the next selected
wireless source as the primary source and re-assigning the first connected source as the secondary source.

US Pat. No. 9,363,593

TRANSDUCER SUSPENSION ELEMENTS WITH BUILT-IN TINSEL WIRE

Bose Corporation, Framin...

1. A transducer suspension element comprising:
a suspension member having a body, the body having a main portion, a first portion extending from the main portion and continuing
to an outer edge, and the body having a second portion extending from the main portion and continuing to an inner edge; and

at least one conductor within the suspension member body, the at least one conductor extending within the first portion, the
main portion, and the second portion of the suspension member, and wherein a length of the at least one conductor within the
suspension member body is greater than a minimal distance from the inner edge to the outer edge across the suspension member,
wherein a path of the at least one conductor within the suspension member at least partially traverses a circumference of
the suspension member.

US Pat. No. 9,349,304

DEMONSTRATING AN ACTIVE VIBRATION ISOLATION SYSTEM

Bose Corporation, Framin...

1. A method for demonstrating an active vibration isolation system configured and arranged to isolate a suspended plant from
a vibration disturbance comprising:
a first outputting by an active vibration isolation system actuator of a first time domain force to the suspended plant to
cause motion of the suspended plant that simulates motion the plant would experience if a predetermined vibration disturbance
was applied and the plant was suspended with a passive suspension comprising a spring and damper;

a second outputting by the active vibration isolation system actuator of a second time domain force to the suspended plant
to cause motion of the suspended plant that simulates motion the plant would experience if the same predetermined vibration
disturbance was applied and the plant was suspended with a normally functioning active vibration isolation system;

wherein the first and second outputting can occur in any order.

US Pat. No. 9,066,327

LOW ENERGY WIRELESS PROXIMITY PAIRING

Bose Corporation, Framin...

1. A method of pairing devices comprising:
causing a Bluetooth-enabled host device and a Bluetooth-enabled peripheral device to be located proximate to each other, the
Bluetooth-enabled host device comprising at least a processor, a memory and an antenna;

in the Bluetooth-enabled host device, detecting advertising packets broadcast by the Bluetooth-enabled peripheral device on
one or more of a plurality of advertising channels;

saving a numeric indicator of each of multiple detected advertising packets;
determining an average numeric indicator from the saved numeric indicators of each of the separately detected advertising
packets;

if the average numeric indicator exceeds a proximity threshold, determining whether a set of conditions are met by:
modifying the proximity threshold to enable greater separation between the Bluetooth-enabled host device and the Bluetooth-enabled
peripheral device; and

determining whether the set of conditions are met if the average numeric indicator exceeds the modified proximity threshold;
and

initiating a Bluetooth device pairing sequence between the Bluetooth-enabled host device and the Bluetooth-enabled peripheral
device if the set of conditions are met.

US Pat. No. 9,049,501

AUDIO SYSTEM WITH SYNTHESIZED POSITIVE IMPEDANCE

Bose Corporation, Framin...

1. An electrical apparatus to sense current through a load comprising:
a first input terminal having a first input voltage relative to a reference;
a second input terminal having a second input voltage relative to the reference;
a first load terminal of the load having a first load voltage relative to the reference;
a second load terminal of the load having a second load voltage relative to the reference;
a first current sensing element connected between the first input terminal and the first load terminal; and
a second current sensing element connected between the second input terminal and the second load terminal, wherein a first
sense voltage is determined by a relationship between the first input voltage and the second load voltage and a second sense
voltage is determined by a relationship between the second input voltage and the first load voltage.

US Pat. No. 9,419,607

GATE DRIVE CIRCUIT

Bose Corporation, Framin...

1. Circuitry comprising:
a transformer circuit comprising first windings and second windings, the second windings being magnetically orthogonal to
the first windings;

first transistors to provide a first voltage to a load, each of the first transistors being responsive to a first control
signal that is based on a first signal through a first winding;

second transistors to provide a second voltage to the load, each of the second transistors being responsive to a second control
signal that is based on the first signal through the first winding, wherein the first and second control signals cause the
first transistors to operate in a different switching state than the second transistors; and

control circuitry responsive to signals received through the second windings to control the first transistors and the second
transistors to operate in a same switching state.

US Pat. No. 9,407,156

MANAGING LEAKAGE INDUCTANCE IN A POWER SUPPLY

Bose Corporation, Framin...

1. An apparatus, comprising:
a power supply circuit including at least a first stage having a push-pull circuit topology, the first stage including at
least one transformer that isolates a primary side of the first stage from a secondary side of the first stage;

a clamp circuit having a power input electrically coupled to a center tap of the transformer, the clamp circuit including
a first element that stores energy, and a second element that controls a flow of current between the power input and the first
element, the clamp circuit absorbing leakage energy from the transformer via the center tap and storing it in the first element;
and

a control module receiving power from the clamp circuit, the control module configured to provide control signals to one or
more elements of the power supply circuit.

US Pat. No. 9,365,158

ENGINE SOUND ENHANCEMENT BASED ON VEHICLE SELECTED MODE

GM GLOBAL TECHNOLOGY CORP...

1. A control system for a vehicle, the vehicle having an engine that transitions between an activated mode and a deactivated
mode, comprising:
a vehicle bus transmitting a signal, the signal indicating a vehicle selected mode and if the engine is operating in one of
the activated mode and the deactivated mode, the activated mode comprising operation of the engine using all cylinders of
the engine and the deactivated mode comprising operation of the engine using fewer than all cylinders of the engine; and

an engine sound enhancement (“ESE”) module configured to receive the signal, the ESE module configured to select at least
one ESE tone and a set of ancillary tones if the engine is operating in the deactivated mode, wherein the ESE module selects
a specific type of ancillary tones based on the vehicle selected mode.

US Pat. No. 9,269,344

ENGINE HARMONIC CANCELLATION SYSTEM AFTERGLOW MITIGATION

Bose Corporation, Framin...

1. A method for operating an active noise reduction system for a motor vehicle, where there is an active noise reduction system
input signal that is related to the vehicle engine operation, and where the active noise reduction system comprises one or
more adaptive filters that use a filter coefficient to modify the amplitude and/or phase of a noise cancellation reference
signal and output noise reduction signals that are used to drive one or more transducers with their outputs directed to reduce
engine noise, where the value of the coefficient is related to an adaptive filter leakage factor, the method comprising:
monitoring changes in the engine speed based on the input signal that is related to the vehicle engine operation; and
in response to changes in the engine speed, modifying the adaptive filter leakage factor;
wherein the adaptive filter leakage factor is reduced to zero in response to a decrease in the engine speed.

US Pat. No. 9,167,067

MOTOR VEHICLE NOISE MANAGEMENT

Bose Corporation, Framin...

1. A method for controlling the operation of a motor vehicle noise management system, where the system comprises a motor vehicle
cabin active sound management (ASM) system that uses an ASM controller to control the emission of sound from of one or more
sound transducers that transmit audio signals in the cabin so as to alter vehicle powertrain-related sounds in the cabin,
a mobile telephone system that is configured to receive incoming mobile telephone calls and transmit outgoing mobile telephone
calls, and an audio head unit that is configured to command the ASM to cause the sound transducers to emit sound, the method
comprising:
receiving, by the audio head unit, from the mobile telephone system, an indication that an outgoing mobile telephone call
is being initiated; and

in response receiving, by the ASM system, a command from the audio head unit, the command causing the ASM controller to cause
one or more of the sound transducers to begin to emit sound that reduces the level of vehicle powertrain-related sounds in
the cabin.

US Pat. No. 9,066,174

PORTABLE AUDIO SYSTEM WITH INTEGRATED HANDLE

Bose Corporation, Framin...

1. An audio system comprising:
a housing;
a first acoustic driver and a second acoustic driver enclosed within the housing to radiate acoustic energy;
an acoustic exit located on a surface of the housing; and
a grille applied to a front surface of the housing through which acoustic energy from the first and second drivers inside
the housing radiates;

wherein the acoustic exit is located adjacent an exterior surface of the housing, the acoustic exit and the exterior surface
being configured to facilitate grasping of the housing with a plurality of fingers and the thumb from the single human hand;

wherein the acoustic exit exits the surface of the housing such that the plurality of fingers can be inserted into the exit
while the thumb of the same hand can rest on at least one of the top surface and the front surface of the housing.

US Pat. No. 9,253,561

ORIENTATION-RESPONSIVE ACOUSTIC ARRAY CONTROL

Bose Corporation, Framin...

1. An audio device comprising: a casing rotatable about an axis between a first orientation and a second orientation different
from the first orientation;
an orientation input device disposed on the casing to enable determination of an orientation of the casing relative to the
direction of the force of gravity;

a plurality of acoustic drivers disposed on the casing and operable to form a plurality of acoustic interference arrays;
a processing device; and a storage accessible by the processing device in which is stored a control routine comprising a sequence
of instructions that when executed by the processing device, causes the processing device to:

in response to the casing being in the first orientation, operate the plurality of acoustic drivers to form at least a first
acoustic interference array by selecting a first plurality of coefficients to configure a plurality of filters; and in response
to the casing being in the second orientation, operate the plurality of acoustic drivers to form at least a second acoustic
interference array different from the first acoustic interference array by selecting a second plurality of coefficients to
configure the plurality of filters.

US Pat. No. 9,333,911

ENGINE SOUND MANAGEMENT

Bose Corporation, Framin...

1. A method comprising:
in a vehicle equipped with a vehicle sound system and a continuously variable transmission,
determining a virtual fixed gear ratio;
determining a virtual RPM based on the virtual fixed gear ratio,
wherein the virtual fixed gear ratio is determined based on a current gear ratio of the continuously variable transmission
which varies continuously in time as a function of an actual, measured RPM and vehicle speed, and

wherein the virtual RPM changes with the vehicle speed when the actual RPM remains constant;
generating a set of harmonic signals based on the virtual RPM, the harmonic signals being sine-wave signals proportional to
harmonics of the virtual RPM;

processing the harmonic signals to produce a set of processed harmonic signals; and
in the vehicle sound system, transducing the processed harmonic signals to acoustic energy thereby to produce an engine sound
within a passenger cabin of the vehicle.

US Pat. No. 9,301,040

PRESSURE EQUALIZATION IN EARPHONES

Bose Corporation, Framin...

1. A headphone comprising:
a housing defining an enclosed volume;
an electro-acoustic transducer dividing the enclosed volume into a front volume and a rear volume;
a first port in the housing arranged to couple the front volume to an ear canal of a user when the headphone is worn;
a second port in the housing arranged to couple the front volume to space outside the ear of the user when the headphone is
worn;

a third port in the housing arranged to couple the rear volume to space outside the ear of the user when the headphone is
worn; and

an ear tip configured to surround the first port and including a flap to seal the ear canal from space outside the ear when
the headphone is worn, the housing comprising an extended tab for retaining the ear tip;

wherein
the second port has a diameter and a length that provide an acoustic mass with an acoustic impedance with a high reactive
component and a low resistive component, and

an entrance to the first port is positioned next to a first side of the extended tab and an entrance to the second port is
positioned next to a second side of the extended tab, such that the electro-acoustic transducer is approximately symmetrically
loaded.

US Pat. No. 9,330,169

AUDIO SYSTEMS AND RELATED DEVICES AND METHODS

BOSE CORPORATION, Framin...

1. An audio system server comprising:
a processor; and
instructions stored on a computer-readable media that, when executed, cause the processor to:
receive information from a first audio playback device of an audio system regarding a change to one or more of a plurality
of preset assignments, each of the preset assignments representing an assignment of an entity associated with one of a plurality
of digital audio sources to a corresponding preset indicator;

update stored preset data based on the information received from the first device; and to
provide update information to one or more other audio playback devices of the audio system such that each of the one or more
other audio playback devices update their respective preset assignments to correspond to those of the first audio playback
device,

wherein the instructions, when executed, cause the processor to:
receive a copy of a token from a first audio playback device of an audio system, wherein the token is a unique identifier
that a corresponding one of the digital audio sources recognizes and associates with a user account, thereby to provide access
to the user account;

store the copy of the token within the audio system server; and to
provide copies of the token to other audio playback devices of the audio system such that the corresponding one of the digital
audio sources can recognize the other audio playback devices as being associated with the user account.

US Pat. No. 9,264,000

VERSATILE AUDIO POWER AMPLIFIER

Bose Corporation, Framin...

1. An audio power amplifier comprising:
a first, a second, a third, and a fourth amplification unit, each amplification unit comprising a switching voltage amplifier
having a command signal input and an amplified signal output;

control electronics providing signal inputs to each of the amplification units and controlling the amplification units such
that:

the first and second amplification units are operable to drive separate loads, a bridge-tied-load, or a common terminal of
a load;

the third and fourth amplification units are operable to drive separate loads, a bridge-tied-load, or a common terminal of
a load; and

all four of the amplification units are operable together with the first and second amplification units in parallel driving
a first side of a common bridge-tied-load, and the third and fourth amplification units in parallel driving a second side
of the common bridge-tied-load.

US Pat. No. 9,258,648

LEVERED LOUDSPEAKERS

Bose Corporation, Framin...

1. A loudspeaker comprising:
an acoustic diaphragm;
an oscillatory force source;
a lever coupling the oscillatory force source to the acoustic diaphragm; and
a pivot coupled to the lever such that the lever pivots about a pivot axis when the oscillatory force source applies a force
to the lever,

wherein the pivot comprises a pair of rotational joints which are spaced apart to allow the diaphragm to pass therebetween
as the lever pivots about the pivot axis.

US Pat. No. 9,208,772

COMMUNICATIONS HEADSET SPEECH-BASED GAIN CONTROL

BOSE CORPORATION, Framin...

1. A communications headset comprising:
a first earpiece comprising:
a first casing; and
a first acoustic driver disposed therein;
a first talk-through microphone carried by structure of the communications headset and acoustically coupled to an environment
external to the communications headset;

an audio circuit coupled to the first acoustic driver and the first talk-through microphone, the audio circuit comprising
a first talk-through circuit receiving a signal representing sounds detected by the first talk-through microphone and providing
its output to the first acoustic driver;

a communications microphone positioned relative to the first casing of the earpiece towards the vicinity of a mouth of a user
of the communications headset, wherein the communications microphone is noise-canceling microphone,

wherein a gain of the signal representing sounds detected by the first talk-through microphone is reduced by a component of
the first talk-through circuit in response to an instance of speech by a user of the communications headset being detected
by the communications microphone, the first talk-through circuit comprising:

a first audio amplifier to drive the acoustic driver with the output of the first talk-through circuit;
a first envelope detector coupled to the output of the first audio amplifier to integrate peaks in a signal output by the
first audio amplifier in driving the acoustic driver;

a first controllable attenuator interposed between the first talk-through microphone and an input of the first audio amplifier;
and

the first envelope detector and the first controllable attenuator cooperate to form a first closed-loop compressor to limit
an amplitude of the signal output by the first audio amplifier in response to the signal output by the first audio amplifier
exceeding a predetermined threshold.

US Pat. No. 9,102,209

ANTI-CAUSAL VEHICLE SUSPENSION

Bose Corporation, Framin...

1. A method for operating a suspension system associated with a wheel of a vehicle, comprising:
identifying a road disturbance prior to the wheel's encountering the road disturbance;
determining, prior to the wheel's encountering the road disturbance, an estimated response of the suspension system to the
road disturbance;

reversing with respect to time the estimated response of the suspension system to provide an anti-causal response of the suspension
system,

determining a force for outputting by a controllable force source associated with the suspension system, where the determining
is based on the time reversed anti-causal response of the suspension system, and

outputting the determined force by the controllable force source to reduce vertical motion of the vehicle wheel.

US Pat. No. 9,428,090

HEADREST WITH SPEAKERS AND METHOD FOR MANUFACTURING HEADREST CUSHION MEMBER

Bose Corporation, Framin...

1. A headrest with speakers comprising:
a headrest frame;
a pair of left and right enclosures supported by the headrest frame;
speaker units supported in the enclosures respectively; and
a headrest cushion member supported by the headrest frame to support a head, the headrest cushion member including: a net
member having a pair of left and right acoustically transparent parts at places substantially facing the respective speaker
units; and soundproof parts disposed between the pair of left and right acoustically transparent parts in the net member and
between the pair of left and right enclosures respectively,

wherein the net member is a three-dimensional knitted fabric,
wherein the net member is provided with a predetermined tension in a plane direction along a surface of the three-dimensional
knitted fabric, and

wherein part of the headrest cushion member including the net member is in contact with the pair of left and right enclosures,
and each of the enclosures together with the headrest frame functions as a skeletal frame member to support the headrest cushion
member.

US Pat. No. 9,338,536

MODULAR HEADREST-BASED AUDIO SYSTEM

Bose Corporation, Framin...

1. An automobile audio system comprising:
a signal processor configured to receive and process audio signals from a source and provide processed audio signals to an
amplifier,

a first headrest comprising a first headrest speaker connected to the automobile audio system and coupled to a driver's seat,
a first fixed speaker positioned near a left corner of the vehicle's cabin forward of the first headrest,
a second fixed speaker positioned near a right corner of the vehicle's cabin forward of the first headrest, and
a headrest accessory port located in a passenger's seat, the headrest accessory port configured to receive a connector of
a second headrest speaker in a second headrest and connect the automobile audio system to the second headrest speaker when
the connector is received by the headrest accessory port,

wherein the automobile audio system is configured to detect whether the second headrest speaker is connected to the automobile
audio system, and

wherein the signal processor uses a first set of processing parameters for processing the received audio signals when the
first headrest speaker is connected to the automobile audio system and the second headrest speaker is not detected as being
connected to the automobile audio system, and

the signal processor uses a second set of processing parameters for processing the received audio signals when the first headrest
speaker is connected to the automobile audio system and the second headrest speaker is detected as being connected to the
automobile audio system.

US Pat. No. 9,253,562

VEHICLE LOUDSPEAKER MODULE

Bose Corporation, Framin...

1. Apparatus comprising:
an audio module for use in a vehicle cabin, comprising:
an elongated substantially sealed enclosure having two ends in the lengthwise direction;
a first acoustic driver mounted in the enclosure near one end of the enclosure for radiating acoustic energy from the one
end of the enclosure;

a second acoustic driver mounted in the enclosure near a second end of the enclosure for radiating acoustic energy from the
second end of the enclosure; and

a bass augmenting device for radiating low frequency acoustic energy from the enclosure,
wherein the audio module is constructed and arranged to be pre-assembled so that the audio module can be installed in the
vehicle as a single assembly,

wherein the audio module is configured to be mounted to the vehicle so that the lengthwise direction is substantially vertical
with the first end of the enclosure higher than the second end of the enclosure,

wherein the bass augmenting device is closer to the second end of the enclosure than to the first end of the enclosure,
wherein the vehicle cabin is configured so that there is an acoustic null of radiation from the first acoustic driver at a
predetermined position in the vehicle cabin in a predetermined frequency range, the apparatus comprising circuitry to cause
the second acoustic driver to radiate in the predetermined frequency range and to roll off radiation from the second acoustic
driver above and below the frequency range, and

wherein the first acoustic driver and the second acoustic driver are substantially full range acoustic drivers, and wherein
the frequency range of the acoustic null is at about 90 Hz to about 120 Hz.

US Pat. No. 9,215,545

SOUND STAGE CONTROLLER FOR A NEAR-FIELD SPEAKER-BASED AUDIO SYSTEM

Bose Corporation, Framin...

1. A method of adjusting signals in an automobile audio system having at least two near-field speakers located close to an
intended position of a listener's head; the method comprising:
for each of a set of designated positions other than the actual locations of the near-field speakers, determining a binaural
filter that causes sound produced by each of the near-field speakers to have characteristics at the intended position of the
listener's head of sound produced by a sound source located at the respective designated position,

determining an up-mixing rule to generate at least three component channel signals from an input audio signal having at least
two channels;

determining a first set of weights for applying to the component channel signals at each of the designated positions to define
a first sound stage;

determining a second set of weights for applying to the component channel signals at each of the designated positions to define
a second sound stage; and

configuring the audio system to:
combine the first set of weights and the second set of weights to determine a combined set of weights, the relative contribution
of the first set of weights and the second set of weights in the combined set of weights being determined by a variable user-input
value,

determine a mixed signal corresponding to a combination of the component channel signals according to the combined set of
weights for each of the designated positions,

filter each mixed signal using the corresponding binaural filter to generate a set of binaural output signals,
sum the filtered binaural signals, and
output the summed binaural signals using the near-field speakers.

US Pat. No. 9,288,570

ASSISTING CONVERSATION WHILE LISTENING TO AUDIO

Bose Corporation, Framin...

1. A portable system for enhancing communication between at least two users in proximity to each other while listening to
a common audio source, comprising:
first and second headsets, each headset comprising:
an electroacoustic transducer for providing sound to a respective user's ear, and
a voice microphone for detecting sound of the respective user's voice and providing a microphone input signal; and
a first electronic device integral to the first headset and in communication with the second headset, configured to:
generate a first side-tone signal based on the microphone input signal from the first headset,
generate a first voice output signal based on the microphone input signal from the first headset,
receive a content input signal,
receive a first far-end voice signal from the second headset,
combine the first side-tone signal with the content input signal and the first far-end voice signal to generate a first combined
output signal, and

provide the first combined output signal to the first headset for output by the first headset's electroacoustic transducer.

US Pat. No. 9,280,141

CONTROLLING TABLE MUSIC SYSTEM

Bose Corporation, Framin...

1. A table music system having a clock radio comprising,
an enclosure comprising a top surface and a front surface free of manually-operated, mechanically-actuated controls for controlling
functions of the table music system,

a radio receiver located within the enclosure for receiving radio signals and producing corresponding electrical audio signals,
a powered speaker system located within the enclosure for producing audio from the electrical audio signals,
a display located on the front surface of the enclosure for displaying at least time,
an alarm configured to be set by a user to produce an alarm signal at a user-selectable time,
a wireless remote control comprising a plurality of manually operated controls that permit the user to control functions of
the table-music system;

a touch-sensitive area located on a surface of the enclosure near a touch sensitive switch inside the enclosure having a conductive
strip contacting the surface for controlling at least on-off of the table music system when a user touches the touch sensitive
area; and

wherein the remote control is configured to permit a user to disable the touch sensitive area.

US Pat. No. 9,177,544

ENGINE HARMONIC ENHANCEMENT CONTROL

Bose Corporation, Framin...

1. An engine harmonic enhancement control system comprising:
circuitry for providing:
a controller configured to receive a first signal representative of a load on an engine and to generate a control parameter
based on the first signal;

one or more harmonic scaling elements, each configured to receive the control parameter and a different engine harmonic signal
of a plurality of engine harmonic signals and to generate a scaled version of the received engine harmonic signal, each harmonic
scaling element including

a harmonic specific mapping element for mapping the control parameter to a harmonic specific scaling factor, wherein at least
some of the harmonic specific scaling factor values of the harmonic specific mapping element are mapped to control parameter
values which are associated with a negative load on the engine; and

an adjustable gain element for forming a scaled version of the received engine harmonic signal including applying the harmonic
specific scaling factor to the received engine harmonic signal,

wherein the controller is further configured to receive a second signal representative of a throttle position and wherein
the controller is further configured to generate the control parameter based on both the first signal and the second signal,

wherein at least some of the harmonic specific scaling factors of the harmonic specific mapping element are mapped to control
parameter values which are associated with a positive load on the engine, and

wherein the control parameter values which are associated with the negative load on the engine are derived from the first
signal and the control parameter values which are associated with the positive load on the engine are derived from the second
signal.

US Pat. No. 9,154,095

BOOST-ON-DEMAND AMPLIFIER

Bose Corporation, Framin...

7. An amplifier comprising:
an electronic amplifier circuit;
a boost supply circuit receiving a voltage from a power supply, the boost supply circuit communicating with the electronic
amplifier circuit to provide power thereto; and

a processor system processing an incoming audio sample to be amplified by the electronic amplifier circuit, the processor
system determining whether amplification of the incoming audio sample warrants more voltage than the voltage received from
the power supply, and, before completing the processing of the incoming audio sample, signaling the boost supply circuit to
boost the voltage received from the power supply and to supply the boosted voltage to the electronic amplifier circuit if
the incoming audio sample warrants more voltage than the voltage received from the power supply, and otherwise signaling the
boost supply circuit to pass the voltage received from the power supply to the electronic amplifier circuit, the processor
system being programmed to wait a minimum period after signaling the boost supply circuit to supply the boosted voltage to
the electronic amplifier circuit before signaling the boost supply circuit to switch back to passing the voltage received
from the power supply to the electronic amplifier circuit.

US Pat. No. 9,426,574

AUTOMATIC AUDIO SOURCE SWITCHING

Bose Corporation, Framin...

1. An apparatus for automatically switching an audio source, comprising: an audio receiver that can receive (a) an audio signal
from a video display device, and (b) a digital audio signal from each of a plurality of audio/video source devices which each
can supply audio and video information to the video display device, wherein the audio receiver compares each of the digital
audio signals with the audio signal from the video display device and outputs one of the digital audio signals to a supplemental
audio system of the video display device when that digital audio signal and the audio signal from the video display device
contain substantially similar audio programs, the audio receiver utilizing the presence or absence of a wireless signal from
a remote control when comparing each of the digital audio signals with the audio signal from the video display device.

US Pat. No. 9,357,279

ELASTOMERIC TORSION BUSHINGS FOR LEVERED LOUDSPEAKERS

Bose Corporation, Framin...

1. A loudspeaker comprising:
an acoustic diaphragm;
an enclosure;
a surround connected to the acoustic diaphragm;
an oscillatory force source contained by the enclosure;
a lever coupling the oscillatory force source to the acoustic diaphragm; and
a pivot coupled to the lever such that the lever moves in an arcuate path about the pivot when the oscillatory force source
applies a force to the lever,

wherein the pivot comprises at least one torsion bushing, the at least one torsion bushing comprising:
a first member;
a second member coupled to the lever and movable relative to the first member; and
an elastomeric member coupling the first member to the second member, wherein the first member is fixed in position relative
to the enclosure.

US Pat. No. 9,485,035

SELF-TUNING TRANSFER FUNCTION FOR ADAPTIVE FILTERING

Bose Corporation, Framin...

1. A computer-implemented method comprising:
obtaining, at one or more processing devices, a plurality of values representing a set of coefficients of an adaptive filter
over a period of time;

identifying, by the one or more processing devices based on the plurality of values, a phase error associated with a transfer
function of the adaptive filter;

determining an updated set of coefficients for the adaptive filter such that the phase error associated with the transfer
function of the adaptive filter is reduced; and

programming the adaptive filter with the determined set of coefficients to enable operation of the adaptive filter.

US Pat. No. 9,048,651

LOW-PROFILE STRAIN RELIEF AND CABLE RETENTION

Bose Corporation, Framin...

1. A strain relief and cable retention apparatus for retaining a cable to a casing, the apparatus comprising:
an anchor made of a flexible material and comprising a tube section and an oblong planar section at one end of the tube section,
the anchor having an internal bore along an axis of the tube and ending in a hole in the planar section, the bore sized to
fit an outer jacket of the cable, and

the planar section comprising first and second wings extending away from the tube section along second and third axes perpendicular
to the axis of the tube, the wings occupying a plane perpendicular to the axis of the tube; and

a plate made of a stiff material and generally matching the shape of the planar section of the anchor and extending along
the two wings of the planar section of the anchor; wherein

the tube section of the anchor passes through a central hole in the plate such that the plate rests flat against the planar
section of the anchor,

the planar section of the anchor has four notches, two on each of the first and second wings, in outer edges of the wings
parallel to the corresponding second and third axes, the two notches on each wing being directly across the wing from each
other, and

the plate has four notches located along an outer edge of the plate such that the notches in the plate correspond to the notches
on the planar section of the anchor.

US Pat. No. 9,190,043

ASSISTING CONVERSATION IN NOISY ENVIRONMENTS

Bose Corporation, Framin...

1. A portable system for enhancing communication between at least two users in proximity to each other, comprising:
first and second noise-reducing headsets, each headset comprising:
an electroacoustic transducer for providing sound to a respective user's ear, and
a voice microphone for detecting sound of the respective user's voice and providing a microphone input signal; and
a first electronic device integral to the first headset and in communication with the second headset, configured to:
generate a first side-tone signal based on the microphone input signal from the first headset,
generate a first voice output signal based on the microphone input signal from the first headset,
receive a first far-end voice signal from the second headset,
combine the first side-tone signal with the first far-end voice signal to generate a first combined output signal, and
provide the first combined output signal to the first headset for output by the first headset's electroacoustic transducer,
wherein the first and second headsets each include a noise cancellation circuit including a noise cancellation microphone
for providing anti-noise signals to the respective electroacoustic transducer based on the noise cancellation microphone's
output, and

the first electronic device is configured to provide the first combined output signal to the first headset for output by the
first headset's electroacoustic transducer in combination with the anti-noise signals provided by the first headset's noise
cancellation circuit.

US Pat. No. 9,059,670

AUDIO SIGNAL LEVEL CONTROL SYSTEM

Bose Corporation, Framin...

1. A system for controlling the level of the audio signal that is provided by an audio source to headphones that are adapted
to be worn by a user, the system comprising:
circuitry that is operable to increase and decrease the level of the audio signal that is provided to the headphones, wherein
the circuitry comprises first and second digital switches; and

a controller, responsive to the audio signal provided by the audio source and adapted to control the circuitry that is operable
to increase and decrease the level of the audio signal that is provided to the headphones, the controller automatically establishing
a level of the audio signal that is provided to the headphones when the audio source is available to output an audio signal
to the headphones;

wherein the headphones comprise user-operated volume-control devices wired in parallel with the first and second digital switches,
wherein the controller is further responsive to the user-operated volume control devices, to allow the user to control the
balance or the audio signal provided to the headphones via manipulation of the volume-control devices.

US Pat. No. 9,326,069

SYSTEM WITH SPEAKER, TRANSCEIVER AND RELATED DEVICES

Bose Corporation, Framin...

1. A system comprising
a housing;
a speaker included in the housing;
a first transceiver integrated in the housing to wirelessly transmit and receive audio content and control information, the
speaker being able to produce audible signals from the audio content received by the transceiver; and

a plurality of remote speakers which each have a transceiver integrated therein, the transceivers of the remote speakers being
able to communicate with each other and the first transceiver,

wherein the remote speakers are configured to wirelessly relay the audio content amongst each other, thereby to supply the
audio content beyond the transmission range of the first transceiver.

US Pat. No. 9,049,514

AUDIO HEADSET

Bose Corporation, Framin...

1. An audio headset, comprising:
a pair of earphones;
a nape-band, the earphones being secured to the nape-band at respective ends of the nape-band; and
a pair of suspension elements, each suspension element having (i) a first end connected to the nape-band at a first location
in front of a user's respective ear when the user is wearing the headset, and (ii) a second end connected to the nape-band
at a second location behind the user's respective ear when the user is wearing the headset, each suspension element extending
between the respective first and second locations, whereby each suspension element at least partially wraps around a portion
of a top of a respective ear of the user to support the headset when the headset is being worn by the user.

US Pat. No. 9,336,113

METHOD AND DEVICE FOR SELECTING A NETWORKED MEDIA DEVICE

Bose Corporation, Framin...

1. A method for selecting a media device that is enabled to receive and then play or distribute digital media files, where
the media device is or has been connected to a network over which the digital media is to be delivered to the media device,
the method comprising:
identifying media devices that have been connected to the network;
storing identification information for available media devices that are currently connected to the network and turned on,
and also storing identification information for unavailable media devices, wherein unavailable media devices are media devices
that have been connected to the network but are not currently turned on or are not currently connected to the network;

receiving a selection of either an available or an unavailable media device; and
in response to receiving a selection of either an available or an unavailable media device, determining whether the selected
media device is compatible with the digital media that is to be distributed to the selected media device;

in response to receiving a selection of an available media device, providing for the distribution of digital media over the
network to the selected available media device;

in response to receiving a selection of an unavailable media device, providing for the distribution of digital media over
the network to the selected unavailable media device;

wherein providing for the distribution of digital media over the network to the selected media device comprises communicating
at least some of the stored identification information to a source of digital media

wherein the selection of either an available or an unavailable media device is received based on a user's selection.

US Pat. No. 9,288,784

CONTROLLING COMMUNICATION MODE CHANGES IN A COMMUNICATION SYSTEM

Bose Corporation, Framin...

1. A method for operating devices in any of a plurality of different modes of communication using different respective communication
channels, comprising:
receiving an indication at a primary device of initiation of a communication mode change from a communication mode using a
first communication channel to a communication mode using a second communication channel, and in response to the indication,
transmitting a first command from the primary device over the first communication channel, where the primary device stores
information indicating a number of a plurality of secondary devices from which a response is expected;

at each of the plurality of secondary devices that are in a responsive state when the first command is transmitted, responding
to the first command with a response message transmitted over the first communication channel and remaining in the responsive
state until a second command is received from the primary device over the first communication channel, where each secondary
device that is in a non-responsive state when the first command is transmitted changes to the responsive state after a predetermined
amount of time in the non-responsive state and remains in the responsive state for at least a minimum time duration; and

at the primary device,
collecting response messages received from secondary devices over the first communication channel,
in response to the number of response messages received being equal to the indicated number, transmitting the second command
from the primary device over the first communication channel, and

if the number of response messages received is less than the indicated number, repeatedly transmitting the first command from
the primary device over the first communication channel one or more additional times, wherein repeatedly transmitting the
first command from the primary device over the first communication channel one or more additional times includes periodically
transmitting the first command with a repetition period smaller than the minimum time duration.

US Pat. No. 9,813,794

NOISE REDUCTION WITH IN-EAR HEADPHONE

BOSE CORPORATION, Framin...

1. An in-ear headphone, comprising:
an earbud body constructed and arranged for positioning in an ear canal of a wearer, the earbud body configured to have a
distal end farther into the ear canal than a proximal end;

a flexible earbud tip extending over and spaced apart from the earbud body, the flexible earbud tip being configured to form
a seal between the earbud tip and at least a portion of the wearer's ear canal, wherein:

the earbud tip has a first portion and a second portion, the first portion of the earbud tip at the proximal end of the earbud
body and extending in a first direction of extension, the second portion of the earbud tip at the distal end of the earbud
body and diverging from the first direction of extension in a second direction of extension at an angle relative to the first
direction of extension, and the earbud tip comprising a bend at a region of the earbud tip between the first portion of the
earbud tip and the second portion of the earbud tip, wherein the bend is configured to accommodate a contour in the wearer's
ear canal; and

a retaining loop coupled to the earbud body and for positioning along an antihelix of the wearer's ear.

US Pat. No. 9,602,948

MOTOR VEHICLE AUDIO SYSTEM

Bose Corporation, Framin...

1. A method of operating a motor vehicle audio system that has at least one rear far-field speaker that is located behind
front seats of the motor vehicle, wherein the front seats of the motor vehicle comprise a driver headrest and a passenger
headrest, and wherein the motor vehicle audio system comprises a pair of near-field speakers in each such front seat headrest,
the method comprising:
detecting when a rear far-field speaker is shut off while at least one near-field speaker remains on; and in response
automatically operating the pair of near-field speakers in a headrest so as to deliver approximately the same audio energy
to the expected location of each ear of a front seat listener's position as was delivered before the far-field speaker was
shut off.

US Pat. No. 9,446,651

ANTI-CAUSAL VEHICLE SUSPENSION

Bose Corporation, Framin...

1. An apparatus comprising:
sprung vehicle components including a vehicle cabin;
unsprung vehicle components, including a wheel; and
a suspension element, comprising:
a sensor configured to identify a road disturbance prior to the wheel's encountering the road disturbance;
a controller configured to anti-causally determine a force to reduce vertical displacement of a portion of the vehicle resulting
from the wheel's encountering the road disturbance;

and
a force source for exerting the anti-causally determined force prior to the wheel's encountering the road disturbance;wherein the anti-causally determined force is based on the road disturbance identified prior to the wheel having encountered
it.

US Pat. No. 9,808,064

HEADBAND

Bose Corporation, Framin...

1. A headband for holding one or more earphones against a head of a wearer, comprising:
a slider that supports an earphone;
a generally tubular cushion assembly having an inside and an outside, the generally tubular cushion assembly constructed and
arranged to flex in at least a longitudinal direction, the generally tubular cushion assembly comprising a structural tube
having an inside, an outside, and an end, and a continuous tubular flexible cover for slipping over the structural tube, where
the continuous tubular flexible cover is held in tension and defines at least some of the outside of the cushion assembly,
where the continuous tubular flexible cover has an engaging portion that is located in the inside of the structural tube,
wherein ends of the continuous tubular flexible cover are retained in place relative to the structural tube while the body
of the continuous tubular flexible cover is free to move relative to the structural tube, and where the continuous tubular
flexible cover is located over at least some of the end of the structural tube; and;

a ring located at least in part inside of the structural tube, where the engaging portion of the continuous tubular flexible
cover is located between the ring and an interior surface of the structural tube the ring comprising a face that is located
just outside of the end of the structural tube, wherein the continuous tubular flexible cover is located between the face
of the ring and the end of the structural tube, and,

wherein the cushion assembly is engaged with the slider so as to allow relative movement between the slider and the cushion
assembly, where the slider is located at least in part inside of the cushion assembly.

US Pat. No. 9,571,934

ACOUSTIC DEVICE WITH PASSIVE RADIATORS

Bose Corporation, Framin...

1. An acoustic device, comprising:
an enclosure;
a first passive radiator structure comprising a first vibrating portion that comprises a first passive radiator diaphragm,
wherein the first passive radiator structure is mounted to the enclosure such that the first vibrating portion can vibrate
relative to the enclosure, and wherein the first vibrating portion has a first effective radiating area and a first mass;

a second passive radiator structure comprising a second vibrating portion comprising a second passive radiator diaphragm,
wherein the second passive radiator structure is mounted to the enclosure such that the second vibrating portion can vibrate
relative to the enclosure, and wherein the second vibrating portion has substantially the same effective radiating area as
the first effective radiating area;

wherein the second vibrating portion further comprises at least one active electro-acoustic transducer mounted to the second
passive radiator diaphragm such that the at least one active electro-acoustic transducer moves when the second passive radiator
diaphragm vibrates;

wherein the second vibrating portion has a second mass that is greater than the first mass, and;
wherein pressure changes within the enclosure generated by the active electroacoustic transducer apply first and second forces
to the first and second vibrating portions respectively wherein the first and second forces are balanced.

US Pat. No. 9,510,068

AUTOMATIC EQUALIZATION OF LOUDSPEAKER ARRAY

Bose Corporation, Framin...

1. A loudspeaker comprising:
a plurality of electro-acoustic drivers configured to be positioned so that an axis running through an acoustic center of
the electro-acoustic drivers is one of a substantially straight line, J-shape, reverse J-shape, and C-shape;

at least one sensor to detect a configuration of the plurality of electro-acoustic drivers; and
a processing device configured to automatically adjust one or more of an equalization and a gain applied to an audio signal
output through the electro-acoustic drivers based on the detected configuration.

US Pat. No. 9,417,075

SURFACE VEHICLE VERTICAL TRAJECTORY PLANNING

Bose Corporation, Framin...

1. A method for improving accuracy of vehicle position determination, comprising:
determining an initial vehicle position estimate based on GPS data,
recording a sequence of sensor data from a sensor located with the vehicle, and
refining the initial vehicle position estimate by performing pattern matching with a pattern matching system that looks for
the presence of a known sequence of data in the recorded sequence of sensor data

wherein the pattern matching system multiplies a sequence consisting of n numbers obtained from the known sequence of data
by a corresponding sequence of n numbers obtained from the recorded sequence of sensor data, sums the results of the n multiplications,
and determines when the sequences match by identifying when the sum of the n multiplications has a peak.

US Pat. No. 9,407,738

PROVIDING ISOLATION FROM DISTRACTIONS

Bose Corporation, Framin...

1. An apparatus comprising:
a first interface for connecting to a personal computer;
a second interface for connecting to a communications device;
a third interface for connecting to a headset;
a fourth interface for connecting to a speaker; and
a processor in control of each of the interfaces, and configured to:
route audio associated with a communications session on one of the personal computer or the communications device to the speaker;
and

in response to a user putting on the headset, re-routing the audio to the headset.

US Pat. No. 9,357,289

THREE-DIMENSIONAL AIR-ADSORBING STRUCTURE

Bose Corporation, Framin...

1. A three-dimensional air-adsorbing structure that has a volume, comprising:
(i) a three-dimensional, unitary, skeletal, porous scaffold;
(ii) air-adsorbing material particles; and
(iii) one or more hydrophobic binders that couple air-adsorbing material particles to each other to form agglomerates and
couples particles and agglomerates to the scaffold;

wherein the structure has structure openings in the agglomerates and structure openings between agglomerates, such structure
openings being open to the outside environment;

wherein the cumulative volume of the structure openings that have an apparent diameter larger than about 5 microns as measured
by mercury porosimetry is greater than 0.2 ml/g of the air-adsorbing structure.

US Pat. No. 9,354,726

AUDIO/VISUAL DEVICE GRAPHICAL USER INTERFACE SUBMENU

Bose Corporation, Framin...

1. An apparatus comprising:
a processing device; and
a storage accessible to the processing device and storing a sequence of instructions that when executed by the processing
device, causes the processing device to:

cause a racetrack menu having a ring shape to be visually displayed on a display element about the periphery of the display
element such that the racetrack menu surrounds a first display area of the display element in which a visual portion of an
audio/visual program may be visually displayed such that the visual portion does not extend beyond the outer edge of the ring
shape of the racetrack menu;

cause a first plurality of menu items to be visually displayed in the racetrack menu;
cause a first marker to be visually displayed in the racetrack menu;
in response to an indication of a manually-operable control being operated to move the first marker, move the first marker
about the racetrack menu and constrain movement of the first marker to remain within the racetrack menu; and

in response to receiving an indication of the manually-operable control being operated to select a first menu item of the
first plurality of menu items that is in the vicinity of the first marker, cause the menu item to be selected, wherein causing
the menu item to be selected comprises further causing the processing device to:

cause a submenu to be visually displayed within the first display area;
cause a second plurality of menu items to be visually displayed in the submenu; and
cause the first marker to be displayed within the submenu;
wherein the submenu has a spiral configuration having four sides that correspond to and are positioned adjacent to four sides
of the ring shape of the racetrack menu, and having a fifth side that corresponds to and is positioned adjacent to one of
the four sides of the submenu with that one of the four sides of the submenu being positioned between the fifth side and a
portion of the racetrack menu.

US Pat. No. 9,291,300

ROTARY ACTUATOR DRIVEN VIBRATION ISOLATION

Bose Corporation, Framin...

1. A vibration isolation system having a suspended platform, a base and an exoskeleton, the exoskeleton comprising;
a first scissors mechanism comprising first and second main links of unequal length where the first and second main links
are pivotably coupled to each other at an intermediate point,

a second scissors mechanism comprising third and fourth main links of unequal length, where the third and fourth main links
are pivotably coupled to each other at an intermediate point, and

a rotary actuator for outputting a force to displace the suspended platform relative to the base over a range of travel, the
rotary actuator comprising first and second rotors,

wherein the rotary actuator is free to translate relative to the suspended platform and the vibration isolation system base,
wherein the first main link is pivotably connected to the suspended platform and is also pivotably connected to a first secondary
link, wherein the first secondary link is also pivotably connected to the base,

wherein the second main link is pivotably connected to the base and is also pivotably connected to a second secondary link,
wherein the second secondary link is also pivotably connected to the suspended platform,

wherein the first and second scissors mechanism support the suspended platform relative to the base over an intended range
of travel,

wherein the first and second main links pass through parallel as the vibration isolation system is displaced over the intended
range of travel and the third and fourth main links pass through parallel as the vibration isolation system is displaced over
the intended range of travel.

US Pat. No. 9,235,986

UNIVERSAL REMOTE CONTROL PROGRAMMING

Bose Corporation, Framin...

1. A method comprising:
directing a user to select a first indicator to radiate a first command signal of unknown modulation technique from a native
remote control;

interpreting, by a universal remote control programmer the first command signal to provide a first command code expressed
in parameters of a pre-determined modulation technique, the parameters including a carrier frequency;

determining, by the remote control programmer, based on correspondence between the first indicator and the first command code,
if a command set of the native remote control can be uniquely identified; and

in an event that the command set of the native remote control cannot be uniquely identified directing the user to select a
second indicator to radiate a second command signal, wherein the first indicator and the second indicator are selected to
minimize a number of indicators necessary to identify the command set of the native remote control;

determining the shortest on period t(on) for which all other on intervals are integer multiples;
inserting a zero length off period for each t(on) period; and
determining the shortest off period t(off) for which all other off intervals are integer multiples;
inserting a zero length on period for each t(off) period.

US Pat. No. 9,654,867

ACOUSTIC DEVICE

Bose Corporation, Framin...

1. An acoustic device, comprising:
a neck loop that is constructed and arranged to be worn around at least a portion of a user's neck;
a retention member extending from the neck loop, the retention member being sized and configured to contact the neck or torso
of the user and stabilize the acoustic device

a first acoustic driver;
a second acoustic driver;
a first acoustic waveguide in the neck loop and having a first sound outlet opening; and
a second acoustic waveguide in the neck loop and having a second sound outlet opening;
wherein the first acoustic driver is constructed and arranged to radiate sound into the first acoustic waveguide and outwardly
from the neck loop via the first sound outlet opening, but the first acoustic driver does not radiate sound into the second
acoustic waveguide;

wherein the second acoustic driver is constructed and arranged to radiate sound into the second acoustic waveguide and outwardly
from the neck loop via the second sound outlet opening, but the second acoustic driver does not radiate sound into the first
acoustic waveguide; and

wherein the first sound outlet opening is located proximate to the second acoustic driver and the second sound outlet opening
is located proximate to the first acoustic driver.

US Pat. No. 9,654,879

SUSPENSION FOR ACOUSTIC DEVICE

Bose Corporation, Framin...

1. An acoustic device comprising:
a diaphragm
a frame; and
a suspension element that couples the diaphragm to the frame such that the diaphragm is movable in a reciprocating manner
relative to the frame, the suspension element comprising a first surround element and a second surround element that have
respective inner landings between which a region proximal to an outer edge of the diaphragm is disposed and respective outer
landings that are separated by a distance that is greater than a thickness of the diaphragm, wherein the inner landings are
mechanically coupled by an adhesive material disposed along an inner periphery of the suspension element, the adhesive material
having a viscoelastic response that increases stiffness as frequency increases, resulting in a shift of a first breakup mode
of the acoustic device from a first frequency to a second, higher frequency.

US Pat. No. 9,628,903

MICROSPEAKER ACOUSTICAL RESISTANCE ASSEMBLY

Bose Corporation, Framin...

1. An electro-acoustic transducer, comprising:
a diaphragm;
a magnet assembly comprising a magnet and a back plate having a central region at which the magnet is coupled, the back plate
further having a peripheral region about an outermost periphery of a bottom region of the magnet, the back plate further comprising
a plurality of first vents extending through the peripheral region of the back plate and positioned about the outermost periphery
of the bottom region of the magnet, the diaphragm generating sound during a movement of the diaphragm relative to the back
plate;

a printed circuit board comprising at least one second vent at or near a periphery of the printed circuit board; and
a cavity between the printed circuit board and the back plate that separates the plurality of first vents from the at least
one second vent.

US Pat. No. 9,558,736

VOICE PROMPT GENERATION COMBINING NATIVE AND REMOTELY-GENERATED SPEECH DATA

BOSE CORPORATION, Framin...

1. An electronic device comprising:
a processor; and
a memory coupled to the processor, the memory storing instructions that, when executed by the processor, cause the processor
to perform operations comprising:

determining whether a text prompt received from a wireless device corresponds to first synthesized speech data stored at the
memory;

in response to a determination that the text prompt does not correspond to the first synthesized speech data, determining
whether a network is accessible;

in response to a determination that the network is accessible, sending a text-to-speech (TTS) conversion request to a server
via the network; and

in response to receiving second synthesized speech data from the server, storing the second synthesized speech data at the
memory.

US Pat. No. 9,508,336

TRANSITIONING BETWEEN ARRAYED AND IN-PHASE SPEAKER CONFIGURATIONS FOR ACTIVE NOISE REDUCTION

BOSE CORPORATION, Framin...

1. A noise cancellation system comprising:
a plurality of speakers disposed within an area;
an amplifier in communication with the speakers; and
a system controller, in communication with the amplifier, producing a command signal in response to a signal from at least
one microphone detecting sound in the area, the system controller including:

an arrayed speaker controller configured to produce a driver signal for each speaker in response to the command signal such
that combined sound emitted by the speakers in response to the driver signals produces a substantially uniform sound pressure
field having a magnitude and phase adapted to attenuate a noise field corresponding to the sound detected by the at least
one microphone,

an in-phase speaker controller configured to produce a common in-phase driver signal for all of the speakers in response to
the command signal; and

a signal director module configured to proportion the command signal between the arrayed speaker controller and the in-phase
speaker controller in response to a magnitude of voltage associated with driving, by the amplifier, the speakers in accordance
with the command signal.

US Pat. No. 9,473,848

TRANSMISSION LINE LOUDSPEAKER

Bose Corporation, Framin...

1. An acoustic waveguide system, comprising:
an enclosure having a closed end and an open end;
an acoustic transmission line within the enclosure; and
at least one electro-acoustic transducer disposed along a length of the acoustic transmission line to emit acoustic energy
directly into the acoustic transmission line, and constructed and arranged at a location along the length of the acoustic
transmission line where at least one resonant mode above a fundamental resonant mode has a highest pressure amplitude, and
where acoustic energy output from each of a front side and a rear side of the at least one electro-acoustic transducer has
a pressure amplitude that is symmetric about the highest pressure amplitude to prohibit exciting the at least one resonant
mode above the fundamental resonant mode of the acoustic waveguide system.

US Pat. No. 9,440,566

LIGHTWEIGHT ACOUSTIC ENCLOSURES

Bose Corporation, Framin...

1. An acoustic enclosure for a speaker system disposed in a portion of a vehicle seat, the acoustic enclosure comprising:
a rigid plate configured to be attached to a frame, the rigid plate configured to support a speaker disposed in part within
the acoustic enclosure;

a first section including one or more attachment surfaces; and
a second section coupled to the first section at the one or more attachment surfaces, wherein the first section is disposed
between the second section and the rigid plate, and the first and second section together define a housing of the acoustic
enclosure that includes at least one cavity configured to accommodate a portion of the speaker,

wherein the first section comprises an expanded resin that is over-molded on the rigid plate.

US Pat. No. 9,344,788

MOTOR VEHICLE AUDIO SYSTEM

Bose Corporation, Framin...

1. A method of operating a motor vehicle audio system that has at least one rear far-field speaker that is located behind
a front seat of the motor vehicle, and that also has at least one near-field speaker located in front of the far-field speaker
and close to an intended position of a listener's head, the method comprising:
detecting when the rear far-field speaker is shut off while the near-field speaker remains on; and in response
automatically increasing the output energy of the near-field speaker.

US Pat. No. 9,344,796

ACTIVE REDUCTION OF HARMONIC NOISE FROM MULTIPLE NOISE SOURCES

Bose Corporation, Framin...

1. A system for reducing harmonic noise caused by a plurality of noise sources by causing one or more loudspeakers to produce
sounds that are at about the same frequencies as the noise and of substantially opposite phase, the system comprising:
a plurality of noise cancellers, each noise canceller comprising a harmonic sine wave generator that generates an output sine
wave having a frequency that corresponds to the noise to be reduced, and an adaptive filter that uses a sine wave to create
a noise reduction signal that is used to drive one or more transducers with their outputs directed to reduce noise caused
by the noise sources; and

an overlap detector that compares the frequencies of the noise caused by the plurality of noise sources, and, based on the
proximity of the frequencies, alters the operation of one or more of the adaptive filters.

US Pat. No. 9,088,842

GRILLE FOR ELECTROACOUSTIC TRANSDUCER

Bose Corporation, Framin...

10. An automobile headrest system, comprising:
a) a headrest having:
a headrest frame,
a reaction plate coupled to the frame,
a cushion material disposed about the frame and reaction plate,
a first electroacoustic transducer disposed in a first recess at a first end of the headrest,
a second electroacoustic transducer disposed in a second recess at a second end of the headrest, the first end opposing the
second end;

b) a first grille disposed in proximity to the first electroacoustic transducer; and
c) a second grille disposed in proximity to the second electroacoustic transducer;
wherein each of the first grille and the second grille comprises a grille frame configured to cover one recess and comprising
a first wall, and a second wall disposed substantially perpendicularly to the first wall, the first and second walls each
having a front surface, and a rear surface that is exposed to the recess, and a plurality of spaced ribs that are coupled
to the rear surfaces of both the first wall and the second wall, where the frame is substantially acoustically transparent
relative to the electroacoustic transducer, the frame being a unitary molded member that has an energy absorption capacity
such that for a mass of 6.8 kg impacting the frame at a speed of 24.1 km/h, the 3 ms deceleration is no more than 80 gs.

US Pat. No. 9,082,388

IN-EAR ACTIVE NOISE REDUCTION EARPHONE

Bose Corporation, Framin...

1. Apparatus, comprising:
an active noise reduction (ANR) earphone, comprising:
ANR circuitry comprising
a feedback microphone acoustically coupled to an ear canal of a user, for detecting noise;
feedback circuitry, responsive to the feedback microphone, for providing a feedback noise cancelling audio signal; and
an acoustic driver for transducing an output noise canceling audio signal comprising the feedback noise reduction audio signal;
a passageway acoustically coupling the acoustic driver and an ear canal of a user;
wherein the acoustic driver is oriented so that a line parallel to, or coincident with, an axis of the acoustic driver and
that intersects a centerline of the passageway intersects the centerline of the passageway at angle ?>±30 degrees and wherein
the microphone is radially positioned between a point of attachment of a voice coil to an acoustic driver diaphragm and an
edge of the acoustic driver diaphragm; and

wherein the passageway has a ratio
or less, where A is the open cross sectional area of the passageway and l is the length of the passageway;
wherein the passageway acoustically seals with the ear canal at the transition between the bowl of the concha and the entrance
to the ear canal to form a cavity;

wherein the acoustic mass M of the passageway is
or less, where
? is the density of air, A is the open cross sectional area of the passageway and l is the length of the passageway; and
wherein the absolute value of the mass impedance |z| of the passageway is
or less at 100 Hz and
or less at 1 kHz, where |z|=Mf, where
? is the density of air, A is the open cross sectional area of the passageway and l is the length of the passageway.

US Pat. No. 9,049,513

HEADSET POWER SOURCE MANAGING

Bose Corporation, Framin...

1. A method for operating a noise reducing headset comprising:
determining if electrical power from an external battery with an attached charging source is available, and if electrical
power from the external battery with the attached charging source is available, operating communication circuitry, talk through
circuitry, and active noise reduction circuitry with power from the external battery with the attached charging source;

if electrical power from the external battery with the attached charging source is not available, determining if electrical
power from an external battery without an attached charging source and providing a first voltage is available, and if electrical
power from the external battery without an attached charging source is available, operating the communication circuitry, the
talk through circuitry, and the active noise reduction circuitry with power from the battery without the external charging
source, operation of the active noise reduction circuitry being at a first gain level;

if electrical power from the external battery without an attached charging source is not available, determining if electrical
power above a threshold voltage, lower than the first voltage, from an internal battery is available, and if electrical power
above a threshold voltage from the internal battery source is available, operating the communication circuitry, the talk through
circuitry, and the active noise reduction circuitry with power from the internal battery, operation of the active noise reduction
circuitry being at a second gain level greater than the first gain level; and

if electrical power above the threshold voltage is not available from the internal battery, operating the communication circuitry
and the talk through circuitry unpowered and disabling the active noise reduction circuitry.

US Pat. No. 9,729,961

ACTIVELY SUSPENDED SEAT WITH BASS LOUDSPEAKERS

Bose Corporation, Framin...

1. A system for outputting sound and controlling vibration in a motor vehicle comprising:
a cabin audio system configured for music reproduction that is able to generate sound in the cabin; and
a seat active suspension system comprising a first vibration sensor coupled to the seat, an electromagnetic actuator for outputting
force to the seat, and; a vibration control system that is responsive to the first vibration sensor and that outputs control
signals that are provided to the electromagnetic actuator that reduces seat vibrations;

wherein the vibration control system is configured to cause a change in the cabin audio system.

US Pat. No. 9,643,467

VARIABLE TRACKING ACTIVE SUSPENSION SYSTEM

Bose Corporation, Framin...

1. An active suspension system for a sprung mass that is supported and movable relative to an unsprung mass, the active suspension
system comprising:
a suspension that comprises an electromagnetic actuator that is capable of producing an arbitrary force on the sprung mass
that is independent of the position, velocity and acceleration of the sprung mass;

a control system that provides control signals that cause the suspension to exert force on the sprung mass, to control the
position of the sprung mass relative to the unsprung mass, wherein the control system implements a control algorithm with
one or more constants; and

a user interface that is operable to cause a change of one or more of the control algorithm constants that allows the user
to tradeoff between an amount of relative motion between the sprung mass and the unsprung mass provided by the active suspension
system, and an amount of vibration isolation of the sprung mass provided by the active suspension system,

wherein the suspension system further comprises a first sensor that senses a position of the sprung mass relative to the unsprung
mass and provides a position signal to the control system,

wherein the control system comprises a position loop that is involved in controlling the position of the sprung mass relative
to the unsprung mass,

wherein the control algorithm comprises proportional and derivative constants in the position loop,
wherein the user interface is operable to change the proportional and derivative constants in the position loop.

US Pat. No. 9,503,796

SPEAKER

Bose Corporation, Framin...

1. A speaker kit, comprising:
a first portion of a speaker housing;
an electroacoustic driver that can be secured to the housing first portion;
one or more additional portions of the speaker housing, one of the one or more additional housing portions having at least
one electrical component secured thereto;

one or more mechanisms that can be used to hold the housing portions together such that the housing portions form an acoustic
seal that encompasses an acoustic volume, the one or more mechanisms being removable from the housing portions such that the
housing portions can be moved away from each other without damage to the housing portions or the one or more mechanisms;

wherein the at least one electrical component is selected from the group of electrical components including an amplifier,
a digital signal processor, a microcontroller, a Bluetooth radio, and a light emitting diode.

US Pat. No. 9,497,549

LEVERED LOUDSPEAKERS

Bose Corporation, Framin...

1. A loudspeaker comprising:
A.) an acoustic diaphragm;
B.) a lever;
C.) an oscillatory force source for driving the lever in oscillatory, rotary motion about a pivot axis; and
D.) a connector coupling the lever to the acoustic diaphragm, the connector comprising:
i.) a first rotary joint defining a first rotary axis fixedly attached to the acoustic diaphragm,
ii.) a second rotary joint defining a second rotary axis fixedly attached to the lever, and
iii.) a linkage coupling the first and second rotary joints,
wherein the connector allows for rotational and translational movement of the lever and the diaphragm relative to each other,
wherein the second rotary joint comprises a tab including a mounting hole for receiving a fastener for securing a central
portion of the second rotary joint to the lever.

US Pat. No. 9,352,701

MANAGING TELEPHONY AND ENTERTAINMENT AUDIO IN A VEHICLE AUDIO PLATFORM

Bose Corporation, Framin...

1. An apparatus comprising: a signal input module configured to receive at least one of an entertainment audio signal and
a telephony audio signal from vehicle sound circuitry; a level control module configured to execute gain level control logic
to balance the entertainment audio signal and the telephony audio signal according to a ratio, wherein the ratio is based
either on a first weighted average of the entertainment audio signal and an upmixed entertainment audio signal; or a second
weighted average of the telephony audio signal and an upmixed telephony audio signal; and apply a gain control signal to at
least one of the entertainment audio signal and the telephony audio signal; and a routing module configured to mix the entertainment
audio signal and the telephony audio signal and route the mixed signal to an output channel associated with a speaker.

US Pat. No. 9,269,342

IN-EAR ACTIVE NOISE REDUCTION EARPHONE

BOSE CORPORATION, Framin...

1. Apparatus comprising:
an earphone, comprising
a housing;
a nozzle coupled to the housing, the nozzle sealing with the entrance to the ear canal to form a cavity, the cavity including
a sealed portion of an ear canal and a passageway in the nozzle;

a feedback microphone, for detecting noise in the cavity;
feedback circuitry, responsive to the feedback microphone, for providing a feedback noise canceling audio signal;
an acoustic driver for transducing an output noise canceling audio signal comprising the feedback noise canceling audio signal
to acoustic energy that attenuates the noise;

an opening in the housing coupling the cavity to an environment external to the earphone; and
impedance-providing structure provided directly in the opening.

US Pat. No. 9,184,705

FEEDBACK MECHANISM FOR BOOST-ON-DEMAND AMPLIFIERS

Bose Corporation, Framin...

1. A method for amplifying audio signals, the method comprising:
processing, by a signal processor, incoming audio samples in preparation for amplification by an electronic amplifier circuit;
receiving a voltage from a power supply;
estimating, before the signal processor completes processing the incoming audio samples, an input level based on the incoming
audio samples;

determining, in response to a comparison between the estimated input level and a first threshold value, whether to boost the
voltage received from the power supply;

estimating, after the signal processor completes processing the incoming audio samples, an output level based on the processed
audio samples; and

determining, in response to the estimated output level, whether to adjust the first threshold value used to determine whether
to boost the voltage received from the power supply, the determining of whether to adjust the first threshold value comprising:

comparing the estimated output level with a second threshold value to determine whether the processed audio samples warrant
a boosting of the voltage received from the power supply;

comparing a result of the comparison between the estimated output level and the second threshold value with a result of the
comparison between the estimated input level and the first threshold value; and

adjusting the first threshold value if the results differ.

US Pat. No. 9,177,052

AUDIO SYSTEMS AND RELATED DEVICES AND METHODS

Bose Corporation, Framin...

1. An audio playback device configured to operably connect to a plurality of digital audio sources, the audio playback device
comprising:
a digital-to-analog converter configured to receive a digital representation of content from the digital audio sources and
convert to analog form;

an electro-acoustic transducer;
a set of user-selectable preset indicators, wherein each indicator in the set of preset indicators is configured to have assigned
to it an entity associated with the plurality of digital audio sources;

wherein the audio playback device is configured to:
update one or more preset assignments based on user input, each of the preset assignments representing an assignment of an
entity associated with one of the digital audio sources to a corresponding one of the preset indicators; and to

send information regarding the update to the one or more preset assignments to a remote server,
and wherein the audio playback device is further configured to:
receive notification from an other audio playback device regarding changes to preset assignments associated with the other
audio playback device;

and, in response to receiving the notification regarding changes to the preset assignments on the other audio playback device,
to update one or more preset assignments on the audio playback device such that the preset assignments on the audio playback
device are synchronized with the preset assignments on the other audio playback device, and

wherein, in response to receiving the notification from the other audio playback device, the audio playback device is configured
to update the one or more preset assignments on the audio playback device by:

contacting the remote server to request update information; and
updating the one or more preset assignments on the audio playback device based on the update information received from the
remote server such that the preset assignments on the audio playback devices are synchronized with the preset assignments
on the other audio playback device,

wherein the update information is an updated list of preset assignments, and
wherein the remote server is separate and remote from the audio playback device and the other audio playback device.

US Pat. No. 9,049,523

TRANSDUCER WITH INTEGRATED SENSOR

Bose Corporation, Framin...

1. An electroacoustic transducer for converting electrical input signals into acoustic output signals, the electroacoustic
transducer comprising:
a housing;
a diaphragm located proximate to the housing, adapted to move relative to the housing in response to the electrical input
signals to produce the acoustic output signals;

a displacement sensor comprising:
a first electrode adhered to the diaphragm, and
a second electrode on a first surface of the housing located proximate to the first electrode,
wherein a capacitance between the first electrode and the second electrode varies with a displacement of the diaphragm relative
to the housing due to variation in the distance between the first electrode and the second electrode;

a bias voltage source coupled to at least one of the first electrode or the second electrode and providing a fixed charge
to the electrode to which it is attached; and

an amplifier amplifying a change in voltage between the first and second electrodes to produce an output voltage between first
and second signal outputs;

wherein:
the second electrode is located proximate to a first region of the first electrode;
the displacement sensor further comprising a third electrode on the first surface of the housing located proximate to a second
region of the first electrode;

wherein the first capacitance between the first electrode and the second electrode and a second capacitance between the first
electrode and the third electrode each vary by the same amount and in the same direction with a displacement of the diaphragm
relative to the housing;

the bias voltage source is coupled to the second electrode and the third electrode; and
the amplifier amplifies a change in total voltage between the second and third electrodes to produce the output voltage.

US Pat. No. 9,047,855

PRESSURE-RELATED FEEDBACK INSTABILITY MITIGATION

Bose Corporation, Framin...

1. An apparatus, comprising:
an earpiece configured to form an acoustic seal around a portion of an acoustic environment; and
active noise reduction circuitry including
detection circuitry configured to processes a signal representative of a change in pressure within the acoustic environment
to distinguish between a pressure change caused by an external noise sound and a pressure change caused by movement of the
earpiece, and

gain compensation circuitry configured to change a loop gain of a feedback loop in response to detection of the change in
pressure when the change in pressure is determined to be caused by movement of the earpiece,

wherein the detection circuitry comprises circuitry that compares a signal representative of the pressure change to a threshold
that is selected to distinguish between a pressure change caused by an external noise sound and a pressure change caused by
movement of the earpiece.

US Pat. No. 9,845,059

ACOUSTIC ENCLOSURE FOR MOTOR VEHICLE

Bose Corporation, Framin...

1. A method of creating in situ an acoustic enclosure in a space that is between body panels of a motor vehicle, wherein the
space defines an empty volume, the method comprising:
placing into the space between body panels a molding tool that comprises a flexible envelope with an inside and an outside,
where the flexible envelope acts as a solid barrier that divides the space between body panels into an interior portion within
the inside of the molding tool and an exterior portion that is external to the outside of the molding tool, where the outside
of the molding tool is exposed to the space between body panels, wherein the flexible envelope is expandable, and is adapted
to be expanded from a first state where the molding tool occupies a first volume, to an expanded state where the molding tool
occupies a second volume that is greater than the first volume, and wherein the second volume is less than the empty volume
of the space between body panels;

providing a mechanical stop located between the flexible envelope and one or more of the body panels, where the stop at least
in part defines the expanded state of the flexible envelope;

expanding the flexible envelope from the first state to the expanded state; and then
while the molding tool is in the space between the body panels with the flexible envelope in the expanded state, introducing
a fluid material into the exterior portion of the space between the body panels, wherein the fluid material is configured
to cure into a solid shell that is in direct contact with the outside of the molding tool.

US Pat. No. 9,640,050

WIRING HARNESS

Bose Corporation, Framin...

1. A wiring harness, comprising:
a plurality of electrical wires, each constructed and arranged to carry electrical signals, and each having a length, wherein
the plurality of electrical wires carry power, data, and audio signals;

a security cable that is not constructed and arranged to carry electrical signals, wherein the security cable has a length
that is less than the length of any of the plurality of electrical wires, and has a greater tensile strength than that of
any of the plurality of electrical wires;

wherein the electrical wires and the security cable are bonded together over only a portion of their respective lengths into
a reinforced multi-wire cable assembly, and wherein over another portion of their respective lengths the plurality of electrical
wires and the security cable are separate from one another;

an overmolded plug body at one end of the reinforced multi-wire cable assembly;
an assembly that is constructed and arranged to secure the plug body to a portable loudspeaker such that the plug body is
operably coupled to the loudspeaker in a manner such that the power, the data, and the audio signals, are provided to and
used to operate the loudspeaker; and

wherein the portable loudspeaker has opposed sides that each include a protrusion, and wherein the assembly that is constructed
and arranged to secure the plug body to a portable loudspeaker comprises two separate plug body anchoring members each of
which has a first portion that overlies a protrusion on a side of the loudspeaker and a second portion that is adjacent to
the plug body.

US Pat. No. 9,607,629

FREQUENCY RESPONSE DISPLAY

Bose Corporation, Framin...

1. A method for displaying a frequency response for a sound system design, comprising:
processing coverage map data for a listening area, the coverage map data comprising a plurality of samples;
computing frequency response data for each sample;
accumulating the frequency response data into a plurality of distributions; and
generating a statistical frequency response display based on the distributions, wherein accumulating the frequency response
data into a plurality of distributions comprises representing each distribution as a histogram comprising a plurality of bins,
each bin representing a range of sound pressure levels at a given frequency.

US Pat. No. 9,323,697

COMPUTER SYSTEM AUDIO DEVICE SWITCHING

Bose Corporation, Framin...

1. An audio system comprising:
an audio source device comprising a first connector, the audio source device configured to provide audio information from
a plurality of audio sources;

a detachable audio device comprising a second connector for coupling to the first connector; and
an audio/visual device for wirelessly connecting to the detachable audio device via a wireless link,
wherein the detachable audio device is configured to cause the audio source device to select between causing audio corresponding
to the audio information to be acoustically output through the audio/visual device and causing the audio to be acoustically
output through the audio source device,

wherein when the detachable audio device is coupled to the audio source device via the first and second connectors, a device
discovery procedure is performed,

wherein in response to the performance of the device discovery procedure, the detachable audio device transmits first device
identity data to the audio source device through the first and second connector, and

wherein the detachable audio device further comprises:
an interface controller coupled to the second connector;
a wireless transceiver;
a first processing device; and
a first storage storing a sequence of instructions that when executed by the first processing device causes the first processing
device to:

operate the wireless transceiver to receive indications of a user operating a user input device to select between causing
audio to be acoustically output through the audio/visual device and causing the audio to be acoustically output through the
audio source device;

in response to the user selecting causing audio to be acoustically output through the audio/visual device:
operate the interface controller to simulate coupling of a first audio controller to the audio source device through the first
and second connectors at a time when the first and second connectors are coupled to trigger a first execution of a device
discovery procedure through the first connector by a second processing device of the audio source device, and

operate the interface controller to respond to the first execution of the device discovery procedure through the first connector
by the second processing device by providing the audio source device the first device identity data through the first and
second connectors, wherein the first device identity data presents the detachable audio device as comprising the user input
device and the first audio controller to enable acoustic output of audio by the audio source device through the detachable
audio device to trigger an operating system executed by the second processing device to employ a first audio driver in acoustically
outputting audio to cause the audio source device to employ the detachable audio device in acoustically outputting audio;
and

in response to the user selecting causing the audio to be acoustically output through the audio source device:
operate the interface controller to simulate uncoupling of the first audio controller from the audio source device through
the first and second connectors at a time when the first and second connectors are coupled; and operate the interface controller
by providing the audio source device, through the first and second connectors, second device identity data presenting the
detachable audio device as not comprising the first audio controller to enable acoustic output of audio by the audio source
device through a second audio controller accessible to the second processing device to trigger the operating system executed
by the second processing device to employ an acoustic driver associated with the audio source device in acoustically outputting
the audio.

US Pat. No. 9,202,453

ASYMMETRIC TEMPERATURE COMPENSATION OF MICROPHONE SENSITIVITY AT AN ACTIVE NOISE REDUCTION SYSTEM

Bose Corporation, Framin...

1. An apparatus, comprising:
an active noise reduction system, comprising:
an input transducer for transducing acoustic noise to a noise signal, wherein the input transducer has a first sensitivity
at a threshold temperature; and

circuitry that receives the noise signal and, in response, compensates for an effect by an ambient temperature on a second
sensitivity of the input transducer by preventing the second sensitivity from being greater than the first sensitivity in
response to a temperature deviation from the threshold temperature, and that adjusts the second sensitivity of the input transducer
in the presence of the temperature deviation,

wherein the circuitry performs a first temperature compensation operation that rigidly controls the second sensitivity to
be at or near the first sensitivity in response to a first temperature deviation between the threshold temperature and an
upper temperature limit or a lower temperature limit where a preferred noise cancellation performance is desired, and wherein
the circuitry performs a second temperature compensation operation that controls the second sensitivity less rigidly than
the first temperature compensation operation in response to a second temperature deviation where the ambient temperature is
greater than the upper temperature limit or less than the lower temperature limit.

US Pat. No. 9,078,072

AUDIO DISTRIBUTION

Bose Corporation, Framin...

1. A method for distributing audio data to multiple audio playback devices that are connected to a network, the method comprising:
comparing one or more network-related performance criteria of a plurality of the audio playback devices;
based on the comparison, designating one of the plurality of audio playback devices as a first active master device and the
rest of the plurality of audio playback devices as slave devices, where the first active master device controls the distribution
of audio data to the slave devices;

monitoring a performance criterion of the first active master device and in response designating a slave device as a second
active master device that controls the distribution of audio data to one or more other slave devices; and

after designating a slave device as a second active master device, establishing data connections between each of the slave
devices and one of the first and second active master devices. where each slave device is connected to only one master device,
and where each master device controls the distribution of audio data only to the slave devices to which it is connected.

US Pat. No. 9,078,077

ESTIMATION OF SYNTHETIC AUDIO PROTOTYPES WITH FREQUENCY-BASED INPUT SIGNAL DECOMPOSITION

Bose Corporation, Framin...

1. A method comprising:
using a component analyzer to decompose input signals into input signal components representing different frequency components
at each of a series of times;

using a prototype generator to determine a characterization of one or more prototype signals from the input signals, the characterization
of the one or more prototype signals comprising a plurality of prototype components representing different frequency components
at each of the series of times; and

using an estimator, executed by a sound processing device, to process a prototype signal of the one or more prototype signals
to form an output signal as an estimate of the prototype signal, the estimate being based on, and varying in accordance with,
the input signals used to determine a characterization of the prototype signal, the output signal corresponding to a combination
of the input signals used to determine the characterization of the prototype signal;

wherein forming the output signal as an estimate of the prototype signal comprises determining a minimum error estimate of
the prototype signal.

US Pat. No. 9,654,855

SELF-VOICE OCCLUSION MITIGATION IN HEADSETS

Bose Corporation, Framin...

13. A device comprising:
a first ear occluder and a second ear occluder;
a first output transducer that is acoustically coupled to a first ear canal of a first ear of a wearer of the device;
a second output transducer that is acoustically coupled to a second ear canal of a second ear of the wearer of the device;
a voice microphone configured to generate a first electrical signal that is proportional to a voice-generated sound pressure
at the microphone; and

signal processing circuitry, electrically coupled to the first and the second output transducers and the voice microphone,
wherein the circuitry includes:

a compensator configured to generate, from the first electrical signal, a second electrical signal, and output the second
electrical signal to the first and the second output transducers, wherein the compensator is tuned to cause GOE, an average ratio of a sound pressure within the first and the second ear canals to the voice-generated sound pressure at
a mouth reference point to be approximately equal to GU , a ratio of a sound pressure within the ear canal to the voice-generated sound pressure at the mouth reference point when
the ear is unoccluded,

wherein
the compensator is a linear-time-invariant filter with a frequency response that is defined by

GO is a ratio of a sound pressure within the ear canal to the voice-generated sound pressure at the mouth reference point when
the ear is occluded and unaided;

GMM is a ratio of voltage output from the voice microphone to the voice-generated sound pressure at the mouth reference point;
and

GDE is a ratio of the sound pressure within the ear canal to the voltage input to a driver of the communications device.

US Pat. No. 9,589,558

MOTOR VEHICLE NOISE MANAGEMENT

Bose Corporation, Framin...

1. A method comprising:
receiving a first signal that indicates that an outgoing telephone call is being initiated; and
in response to the first signal, generating a second signal that, when processed by a controller of an active sound management
(ASM) system for a motor vehicle, where the ASM system is adapted to command a sound system of the motor vehicle to provide
signals to a vehicle sound transducer, causes the ASM system to cause the sound transducer to begin to emit sound that reduces
powertrain-related sounds at one or more seating positions within a cabin of the motor vehicle that includes a plurality of
seating positions.

US Pat. No. 9,466,280

ACOUSTIC DEVICE SUSPENSION

Bose Corporation, Framin...

1. An acoustic device comprising:
a diaphragm
a frame;
a suspension element that couples the diaphragm to the frame such that the diaphragm is movable in a reciprocating manner
relative to the frame, the suspension element comprising a first surround element and a second surround element that are separated
at respective outer edges by a first distance and separated at respective inner edges by a second distance, wherein the first
distance and the second distance are different; and

a spacer element that is disposed between the first surround element and the second surround element, and wherein the first
distance comprises a thickness of the spacer element.

US Pat. No. 9,462,366

EARPIECES HAVING FLEXIBLE FLAPS

Bose Corporation, Framin...

1. An ear tip for an earpiece, comprising:
a body having a front part and a back part, the front part being configured to enter further into an ear than the back part;
and

two flexible flaps extending from the body, the two flexible flaps comprising a first flap and a second flap that together
form a generally frusto-conical shape around the body, at least part of the body being partially enclosed by the two flexible
flaps, the first flap and the second flap being connected to the body at different distances between the front part and the
back part, and the first flap and the second flap each being connected to the body at an angle relative to a tangent to a
front surface of the front part, an angle for connecting the first flap to the body being different from an angle for connecting
the second flap to the body.

US Pat. No. 9,301,038

AUDIO HEADSET

Bose Corporation, Framin...

1. An audio headset, comprising:
a pair of earphones;
a nape-band, the earphones being secured to the nape-band at respective ends of the nape-band; and
a suspension element having (i) a first end connected to the headset at a first location in front of a user's first ear when
the user is wearing the headset, and (ii) a second end connected to the headset at a second location in front of a user's
second ear when the user is wearing the headset,

the suspension element extending between the respective first and second locations,
whereby the suspension element at least partially wraps around a portion of a top of both ears of the user to support the
headset when the headset is being worn by the user.

US Pat. No. 9,118,988

AUTOMATED CUSTOMIZATION OF LOUDSPEAKERS

Bose Corporation, Armonk...

1. A loudspeaker comprising:
a horn comprising a first end panel, a second end panel, a first side panel, and a second side panel;
a diffraction slot opening defined by at least an edge of the first side panel and an edge of the second side panel;
a plurality of manifold components, each comprising at least one acoustic passage and an output opening coupled to the diffraction
slot opening, the output openings of the plurality of manifold components together constituting a diffraction slot source
at the diffraction slot opening; and

a plurality of electro-acoustic transducers, each coupled to an input opening of one of the manifold components,
wherein the first and second side panels each comprise a sheet of flexible material held in a stressed, curved shape and wherein
at least one of the depth and width of the horn varies along the length of the diffraction slot opening.

US Pat. No. 9,049,518

ORIENTATION-RESPONSIVE ACOUSTIC ARRAY CONTROL

Bose Corporation, Framin...

1. An audio device comprising: a casing comprising an array of at least three acoustic drivers, each driver operating in a
first frequency range and located along an elongate axis of the casing, the array configured to form a plurality of acoustic
interference arrays operating over the first frequency range, each acoustic interference array being associated with one of
a plurality of audio channels, the casing positionable between a first orientation and a second orientation different from
the first orientation;
an orientation input device to detect the orientation of the casing relative to the direction of the force of gravity;
and a controller that alters a radiation pattern of at least one of the plurality of acoustic interference arrays based on
the orientation of the casing detected by the input device by selecting a first plurality of coefficients to configure a plurality
of filters in response to determining that the casing is in the first orientation, and selecting a second plurality of coefficients
to configure the plurality of filters in response to determining that the casing is in the second orientation,
the audio device further comprising a first infrared sensor and a second infrared sensor; wherein:
in response to the audio device being positioned in the first orientation, the first sensor is enabled so that it is configured
to receive infrared signals from an external control device, and the second sensor is disabled; and

in response to the audio device being positioned in the second orientation, the second sensor is enabled so that it is configured
to receive infrared signals from the external control device, and the first sensor is disabled.

US Pat. No. 9,049,811

CIRCUIT COOLING

Bose Corporation, Framin...

1. An apparatus comprising:
a housing cover configured to be fitted to a heat sink for enclosing a circuit board therebetween; and
a contact member formed separately from and mounted to the housing cover to cause electrical components on the circuit board
to engage with the heat sink when the housing cover is fastened to the heat sink, the contact member comprising:

first and second projections connected to each other and configured such that displacement of the first projection in a first
direction causes a proportional displacement of the second projection in a second direction opposite the first direction;

a base mounted to the housing cover; and
first and second spring fingers connected together and connected to the base such that the first and second spring fingers
pivot together relative to the base, the first spring finger defining the first projection and the second spring finger defining
the second projection,

wherein the first and second projections are configured to pivot about a pivot point such that displacement of the first projection
in a first direction causes a proportional displacement of the second projection in a second direction opposite the first
direction, and

wherein the contact member includes a pair of wings connecting the base to the first and second spring fingers.

US Pat. No. 9,628,884

ROUTING CONDUCTORS TO ELECTRO-ACOUSTIC TRANSDUCER VOICE COILS

Bose Corporation, Framin...

1. An electro-acoustic transducer comprising:
a cone;
a voice coil connected to the cone;
a magnetic circuit including a front plate and defining a gap within which the voice coil is disposed, the magnetic circuit
being configured for creating magnetic flux across the gap for the voice coil to interact with, thereby to drive motion of
the cone; and

a conductor for providing an input signal to the voice coil,
wherein a first portion of the conductor is fixedly secured to the front plate such that the first portion of the conductor
does not move relative to the magnetic circuit while the cone is in motion, and wherein at least the first portion of the
conductor is electrically isolated from the front plate, wherein the conductor further comprises a second portion that is
displaceable relative to the front plate, and wherein the front plate defines a radial slot which accommodates relative movement
of the second portion of the conductor.

US Pat. No. 9,589,052

REMOTE NODE FOR BI-DIRECTIONAL DIGITAL AUDIO DATA AND CONTROL COMMUNICATIONS

Bose Corporation, Framin...

1. A remote node for bi-directional digital audio data and control communications, the remote node comprising:
remote components that comprise a remote transceiver, and a remote low-voltage power supply that provides power to the other
remote node components;

wherein the remote node is configured to connect to a host end and to one or more other remote nodes via a two-wire communication
network comprising twisted wire pairs;

wherein each twisted wire pair forms a respective data transmission line (1) for carrying bi-directional digital audio data
and digital control signals, and (2) upon which low voltage power is superimposed;

wherein the remote node is enabled to receive over the two-wire communication network digital audio data and digital control
signals, and is enabled to transmit over the two-wire communication network digital control signals; and

wherein the remote power supply has an input that is configured to be coupled to the two-wire communication network to derive
the power for the remote node from power coupled to the network by the host end.

US Pat. No. 9,565,492

ACTIVE NOISE REDUCTION HEADPHONE

BOSE CORPORATION, Framin...

1. A method for active noise reduction, the method comprising:
generating a first electrical signal at a first feedback microphone responsive to an acoustic noise signal at a first location
in an acoustic cavity;

generating a second electrical signal at a second feedback microphone responsive to the acoustic noise signal at a second
location in the acoustic cavity, the first and second locations being fixed in position relative to each other and relative
to a speaker disposed in the acoustic cavity;

combining the first and second electrical signals to form a single feedback error signal; and
generating a speaker input signal in response to the single feedback error signal, wherein the speaker input signal comprises
an inverse noise signal to generate an inverse acoustic noise signal at the speaker that reduces the acoustic noise signal
at a predetermined location relative to the speaker and the first and second locations.

US Pat. No. 9,506,782

APPARATUS AND METHOD FOR APPLYING A LOAD TO A MATERIAL

Bose Corporation, Framin...

12. An apparatus for applying a load to a material, comprising:
a signal generator that can create a reference signal having a predetermined waveform;
a first signal combiner that can differentially combine the reference signal with a feedback signal to obtain an initial control
signal;

a signal manipulator that can obtain a first or higher order derivative of the feedback signal;
a second signal combiner that can differentially combine the initial control signal with the derivative of the feedback signal
to obtain a final control signal; and

an actuator to which the final control signal can be applied to cause the actuator to create the load which can be applied
to the material, wherein the final control signal is processed to obtain a simulated signal that has one or more of substantially
reduced resonances and substantially reduced phase delay compared to an output signal of a sensor used to measure an output
of the apparatus while the load is applied to the material.

US Pat. No. 9,470,423

COOKTOP POWER CONTROL SYSTEM

Bose Corporation, Framin...

1. A cooktop power control system for a cooktop that has a plurality of burners, where the cooktop power control system controls
the power delivered from two or more separate active burners to separate cookware items each of which is associated with an
active burner, wherein there is a maximum limit of total power that is available for delivery from all of the burners together,
where there is a heating control user interface associated with each of the burners, each heating control user interface constructed
and arranged to be set by a user to a particular heating control user interface setting, where a desired cookware temperature
is derived from the setting of each heating control user interface, and where measured temperatures of the cookware items
are available to the cooktop power control system, the cooktop power control system comprising:
a controller that, when a plurality of burners are in sum calling for more than the maximum limit of total available power,
automatically alters the power delivered from at least one of the active burners in comparison to the power called for by
such burner, the alteration based on both the measured cookware temperatures of the cookware items that are associated with
the active burners and the desired cookware temperatures derived from the heating control user interfaces that are associated
with the active burners,

wherein the controller automatically alters the power further based at least in part on a rate of change of the measured cookware
temperature of one or more of the cookware items.

US Pat. No. 9,401,653

POWER SUPPLY WITH SWITCHING CONVERTER

Bose Corporation, Framin...

1. A method used in a circuit comprising a first converter stage of a power converter circuit implementing a push-pull topology,
and an isolating element comprising a magnetizing inductance for isolating a primary side of the first converter stage from
a secondary side of the first converter stage, the method comprising:
varying a switching frequency of the power converter circuit by causing the magnetizing inductance of the isolating element
to vary over a range of values of input current flowing through the primary side of the first converter stage,

holding a duty cycle of the power converter circuit to be substantially constant during the variation of the switching frequency
of the power converter circuit,

lowering a minimum value of the duty cycle to extend a range of control over the input current flowing through the primary
side of the first converter stage and adjusting a current conduction angle of the input current.

US Pat. No. 9,241,227

TRANSDUCER WITH INTEGRATED SENSOR

Bose Corporation, Framin...

1. An electroacoustic transducer comprising:
a housing;
a diaphragm located proximate to the housing, adapted to move relative to the housing;
a motor adapted to cause the diaphragm to move relative to the housing in response to an input current, the motor comprising
a voice coil and a magnet, one of the voice coil or the magnet mechanically coupled to the diaphragm and the other mechanically
coupled to the housing,

the movement of the diaphragm caused by the motor resulting in the transducer outputting acoustic energy;
a displacement sensor comprising:
a first plate electrode adhered to the diaphragm,
a second plate electrode on a first surface of the housing located proximate to a first region of the first plate electrode,
and

a third plate electrode on the first surface of the housing located proximate to a second region of the first plate electrode,
wherein a first capacitance between the first plate electrode and the second plate electrode and a second capacitance between
the first plate electrode and the third plate electrode each vary similarly with a displacement of the diaphragm relative
to the housing caused by action of the motor or by external forces acting on the diaphragm; and

an impedance buffer coupled to the second plate electrode and the third plate electrode.

US Pat. No. 9,119,005

CONNECTION DIAGNOSTICS FOR PARALLEL SPEAKERS

Bose Corporation, Framin...

1. A method of determining connectivity of a pair of electroacoustic transducers comprising a higher-frequency transducer
and a lower-frequency transducer which are connected in parallel on an output line of an amplifier, the method comprising:
causing the amplifier to apply a first test signal on the output line at a first test frequency where the impedance of the
two transducers in parallel is less than the impedance of the higher-frequency transducer alone,

observing whether a first clip detection signal is received from the amplifier, and
if the first clip detection signal is not received from the amplifier in response to the first test signal, outputting a first
error indication and stopping;

otherwise, if the first clip detection signal is received from the amplifier in response to the first test signal, continuing
by

causing the amplifier to apply a second test signal on the output line at a second test frequency where the impedance of the
two transducers in parallel is less than the impedance of the lower-frequency transducer alone,

observing whether a second clip detection signal is received from the amplifier, and
if the second clip detection signal is not received from the amplifier in response to the second test signal, outputting a
second error indication;

otherwise, if the second clip detection signal is received from the amplifier in response to the second test signal, continuing
by

causing the amplifier to apply a third test signal on the output line at a third test frequency where the impedance of the
two transducers in parallel is higher if both transducers are operational than if the higher-frequency transducer is internally
short-circuited,

observing whether a third clip detection signal is received from the amplifier, and
if the third clip detection signal is received from the amplifier in response to the third test signal, outputting a third
error indication.

US Pat. No. 9,054,658

POWER SUPPLY WITH RECTIFIER PROTECTION

Bose Corporation, Framin...

1. An apparatus for driving speakers, said apparatus comprising:
amplifier cells, each of the cells being connected between a first and second power rail, the amplifier cells being user-configurable
for driving selected speakers;

a synchronous rectifier circuit for providing current on the power rails for consumption by all the amplifier cells, said
current being dependent on a user-defined configuration of said amplifier cells relative to said speakers; and

a control system for implementing a model of said synchronous rectifier circuit and said amplifier cells, said control system
being configured to control an audio input signal in response to information concerning electrical outputs of the amplifier
cells, thereby limiting current drawn from the synchronous rectifier circuit; wherein said model comprises a rectifier power
dissipation model that provides an estimate of total power dissipated by said rectifier circuit as a function of the electrical
outputs of the amplifier cells.

US Pat. No. 9,628,911

AUTOMATIC AUDIO SYSTEM EQUALIZING

Bose Corporation, Framin...

1. A process for generating an equalization pattern in an audio system that includes at least one loudspeaker unite deployed
in a listening area, said listening area having an ambient noise level, said process comprising:
providing a microphone that is in possession of a user in the listening area;
an indicating step, by the user while in the listening area in possession of the microphone, that the user is at an intended
listening location in the listening area, the indicating step comprising the user taking an action that remotely signals the
audio system;

in response to the indicating step, automatically beginning radiation of a test audio signal from a first of the at least
one loudspeaker unit at a first amplitude, where the test audio signal radiated at the first amplitude is received by the
microphone at the intended listening location and a first frequency response of the test audio signal that was radiated at
the first amplitude is measured;

after the reception of the test audio signal that was radiated at the first amplitude, automatically causing radiation of
a test audio signal from the first of the at least one loudspeaker unit at a second amplitude that is lower than the first
amplitude, where the test audio signal radiated at the second amplitude is received by the microphone at the intended listening
location, and a second frequency response of the test audio signal that was radiated at the second amplitude is measured;

automatically comparing the first and second frequency responses so as to determine a difference between the first and second
frequency responses;

based on the determined differences between the first and second frequency responses, measuring, by said audio system, the
signal to noise ratio in said listening area;

in the event that said signal to noise ratio is below a threshold ratio, increasing said signal to noise ratio;
calculating an equalization pattern from at least one frequency response; and
applying the equalization pattern to audio signals that drive a loudspeaker unit.

US Pat. No. 9,589,557

DYNAMICALLY CONFIGURABLE ANR FILTER BLOCK TOPOLOGY

Bose Corporation, Framin...

1. An apparatus for providing active noise reduction (ANR), the apparatus comprising:
a first ADC,
a second ADC,
a DAC; and
a dynamically configurable digital signal processor (DSP) configured to:
incorporate the first ADC, a first plurality of digital filters of a quantity and type specified by a first set of ANR settings,
and the DAC into a first pathway;

incorporate the second ADC, a second plurality of digital filters of a quantity and type specified by the first set of ANR
settings, and the DAC into a second pathway;

configure interconnections among the first ADC, first plurality of digital filters, second ADC, second plurality of digital
filters, and DAC in a signal processing topology defined by the first set of ANR settings so that digital data from the first
and second pathways are combined before flowing to the DAC;

operate each of the digital filters using filter coefficients specified by the first set of ANR settings;
transfer digital data through at least a portion of at least one of the first and second pathways at a data transfer rate
specified by the first ANR settings;

operate the first and second pathways to provide ANR; and
change a parameter specified by the first set of ANR settings to a parameter specified by a second set of ANR settings in
synchronization with a transfer of digital data along at least a portion of at least one of the first and second pathways.

US Pat. No. 9,560,748

FLEXIBLE PRINTED CIRCUIT

Bose Corporation, Framin...

1. A flexible printed circuit, comprising:
a first insulating substrate layer;
a top electrically conductive shielding layer located adjacent to a first side of the first insulating substrate layer, the
top electrically conductive shielding layer having a first portion that is substantially solid and a second portion having
a multiplicity of voids in a pattern for providing a lower stiffness in the second portion relative to the first portion,
thereby providing more flexibility in the second portion relative to the first portion;

a middle electrically conductive layer comprising a plurality of electrically conductive traces for conducting one or more
of electrical signals and electrical power from a first part of the flexible printed circuit to a second part of the flexible
printed circuit, the middle conductive layer being located adjacent to a second side of the first insulating substrate layer;

a second insulating layer, the middle electrically conductive layer being located adjacent to a first side of the second insulating
layer; and

a bottom electrically conductive shielding layer located adjacent to a second side of the second insulating layer, the bottom
electrically conductive shielding layer having a first portion that is substantially solid and a second portion having a multiplicity
of voids in a pattern for providing a lower stiffness in the second portion of the bottom electrically conductive shielding
layer relative to the first portion of the bottom electrically conductive shielding layer, thereby providing more flexibility
in the second portion of the bottom electrically conductive shielding layer relative to the first portion of the bottom electrically
conductive shielding layer,

wherein the sections between adjacent voids in the top electrically conductive shielding layer and bottom electrically conductive
shielding layer are substantially solid, and when the top electrically conductive shielding layer, middle conductive layer,
and bottom electrically conductive shielding layer are stacked in a vertical configuration, the sections in each of the shielding
layers are oriented such that they are not parallel to the conductive traces of the middle conductive layer.

US Pat. No. 9,316,667

ACCELEROMETER LEVELING IN AN ACTIVELY CONTROLLED VEHICLE SUSPENSION

Bose Corporation, Framin...

1. A method for compensating for a misalignment characteristic of one or more acceleration sensors fixed to a sprung mass
of a vehicle, each acceleration sensor having a location on the vehicle and a desired orientation relative to the vehicle,
the method comprising:
for each acceleration sensor of the one or more acceleration sensors,
receiving by a controller data characterizing misalignment of the acceleration sensor from the desired orientation of the
acceleration sensor;

receiving by the controller a signal from the acceleration sensor representing an acceleration acting on the acceleration
sensor, the signal including components representing acceleration in a direction other than the desired orientation of the
acceleration sensor related to a misalignment of the acceleration sensor;

receiving by the controller signals representing inertial measurements from one or more inertial sensors in the vehicle; and
combining the signals from the inertial sensors and the signal from the acceleration sensor based on the data characterizing
misalignment of the acceleration sensor to form a corrected acceleration signal substantially representing the acceleration
in the desired orientation at the location of the acceleration sensor,

forming a control signal based on the corrected acceleration signal; and
providing the control signal to an active suspension element associated with the acceleration sensor.

US Pat. No. 9,264,794

ORIENTATION-RESPONSIVE ACOUSTIC ARRAY CONTROL

Bose Corporation, Framin...

1. An audio device comprising:
an elongate casing operating in a first orientation and a second orientation different from the first orientation;
an orientation input device disposed on the casing to detect an orientation of the casing relative to the direction of the
force of gravity;

a plurality of acoustic drivers disposed on the casing and operable to form a plurality of acoustic interference arrays, each
array being associated with one of a plurality of audio channels, the acoustic drivers operate to acoustically output audio
signals in a first frequency range;

a controller that modifies at least one of the acoustic interference arrays in response to a change in the orientation detected
by the orientation input device by selecting a first plurality of coefficients to configure a plurality of filters in response
to determining that the casing is in the first orientation, and selecting a second plurality of coefficients to configure
the plurality of filters in response to determining that the casing is in the second orientation; and

a first infrared sensor and a second infrared sensor, wherein:
in response to the casing being positioned in the first orientation, the first sensor is enabled so that it is configured
to receive infrared signals from an external control device, and the second sensor is disabled; and

in response to the casing being positioned in the second orientation, the second sensor is enabled so that it is configured
to receive infrared signals from the external control device, and the first sensor is disabled.

US Pat. No. 9,191,737

CREST-FACTOR BASED GAIN MODIFICATION

Bose Corporation, Framin...

1. A method for crest-factor based gain modification comprising:
sampling at least one audio input to create a frame for each of the at least one audio inputs, each audio input amplified
by a respective amplifier to produce an output channel and each frame having at least one sample of the respective at least
one audio input;

determining an energy for each frame of the respective audio inputs;
determining an average energy for each frame by adding a percentage of a last average energy to a residual percentage of the
energy, the last average energy being equal to zero for a first sampling of the at least one audio input and the residual
percentage being equal to one hundred minus the percentage of the last average energy;

determining a number of exceeding audio inputs as a number of the frames that have an average energy exceeding a maximum energy;
when the number of exceeding audio inputs exceeds a predefined maximum number and a gain target exceeds a predetermined minimum
gain, iteratively reducing a gain of the respective amplifier for at least one audio input by a decrease-step for a duration
being equal to a decrease-period until the number of exceeding audio inputs is less than or equal to the predefined maximum
number or the gain target does not exceed the predetermined minimum gain; and

when the number of exceeding audio inputs does not exceed the predefined maximum number and the gain target is less than a
predetermined maximum gain, iteratively increasing the gain of the respective amplifier for at least one audio input by an
increase-step for the duration until the number of exceeding audio inputs exceeds the predefined maximum number or the gain
target is not less than the predetermined maximum gain.

US Pat. No. 9,654,718

METHOD AND APPARATUS FOR SELECTING A SIGNAL SOURCE

Bose Corporation, Framin...

1. A method of selecting a signal input, comprising the steps of:
transmitting a known audio signal from a first audio/visual device to a first audio input of a television that includes a
plurality of separate audio inputs, where the television is adapted to receive an audio input that is to be played over a
loudspeaker of the television; then

receiving by the first audio/visual device an output signal from an audio output of the television; and then
attempting by the first audio/visual device to detect the presence of the known audio signal in the output signal from the
television; and then

automatically changing an audio input setting of the television from the first audio input to a second audio input, when the
presence of said known audio signal is not detected in the output signal from the television.

US Pat. No. 9,503,803

COLLABORATIVELY PROCESSING AUDIO BETWEEN HEADSET AND SOURCE TO MASK DISTRACTING NOISE

Bose Corporation, Framin...

4. An apparatus comprising a media playback device with programmable signal processing capabilities and an input receiving
signals representative of ambient noise, wherein the media playback device is configured to:
identify an output response characteristic and an attenuation characteristic of a set of headphones associated with the media
playback device,

predict a property of audio output by the headphones at a user's ear based on the ambient noise input signal, the output response
characteristic, and the attenuation characteristic of the headphones,

predict expected residual ambient noise at the user's ear, when wearing the headphones, derived from the ambient noise input
signal and the attenuation characteristic, and

modify masking audio signals to be provided to the headphones such that they will mask the expected residual ambient noise
at the user's ear,

wherein the media playback device further modifies the masking signals so that the masking signals cause the residual ambient
noise to have a partial loudness that increases monotonically in a pre-determined way with increases in the ambient noise
level.

US Pat. No. 9,454,970

PROCESSING MULTICHANNEL AUDIO SIGNALS

Bose Corporation, Framin...

6. A system for processing multichannel audio signals, the system comprising:
a peripheral for encoding the multichannel audio signals into a reduced number of channels, the peripheral comprising:
first inputs configured to receive audio inputs, respectively;
a first processor operatively connected to the first inputs and configured to:
combine the received audio inputs, and
generate at least one audio output based on the combined received audio inputs;
at least one first output operatively connected to the processor and configured to transmit the at least one generated audio
output to a mobile device, wherein the number of audio inputs is greater than the number of generated audio outputs; and

the mobile device comprising:
a second input configured to receive the at least one generated audio output from the peripheral, and
a second processor operatively connected to the second input and configured to separate the audio inputs received by the peripheral
from the at least one generated audio output received by the mobile device.

US Pat. No. 9,049,519

ACOUSTIC HORN GAIN MANAGING

Bose Corporation, Framin...

1. A horn loudspeaker, comprising:
an acoustic horn, comprising side walls, for determining a horizontal dispersion angle of the acoustic horn, and top and bottom
walls, for determining a vertical dispersion angle of the acoustic horn;

a plurality of acoustic drivers coupled to the acoustic horn by a diffraction slot having segments, each of the segments separated
from adjacent segments by less than one half of a wavelength of a highest frequency of an operational range of the horn loudspeaker;
and

a circuit for transmitting an audio signal to the plurality of acoustic drivers, the circuit comprising a first signal attenuator
electrically coupling an audio signal input element and a first acoustic driver of the plurality of acoustic drivers, and
a second signal attenuator electrically coupling the audio signal input element and a second acoustic driver of the plurality
of acoustic drivers,

wherein the first acoustic driver is directed to a first listening location, and the second acoustic driver is directed to
a second listening location, the second listening location being closer to the plurality of acoustic drivers than the first
listening location, and

wherein the first signal attenuator applies a first attenuation to the audio signal input element, and the second signal attenuator
applies a second attenuation, greater than the first attenuation, to the audio signal input element.

US Pat. No. 9,712,911

CONFORMABLE ADAPTORS FOR DIFFRACTION SLOTS IN SPEAKERS

Bose Corporation, Framin...

1. A speaker comprising:
one or more drivers;
an acoustic horn that includes a first side panel and a second side panel, edges of the first and second side panels defining
an opening for receiving acoustic outputs from one or more drivers;

a manifold disposed between the opening and the one or more drivers, the manifold including a plurality of acoustic passages
for connecting the opening to each of the one or more drivers; and

an adaptor disposed between the manifold and the acoustic horn, the adaptor including multiple apertures for the plurality
of acoustic passages,

wherein the adaptor is configured to conform to a profile of the opening while maintaining a seal between the acoustic horn
and the plurality of acoustic passages, and comprises at least one bending portion, wherein the at least one bending portion
is configured to facilitate bending of the adaptor to conform to the profile of the opening.

US Pat. No. 9,635,696

PROVIDING INDICATIONS OF PAIRING BETWEEN WIRELESS DEVICES

Bose Corporation, Framin...

1. A computer-implemented method comprising:
transmitting, from a wireless-enabled headset over an initial wireless communication channel established between the wireless-enabled
headset and a host device, one or more signals comprising information about an activation pattern for corresponding output
devices on the wireless-enabled headset and the host device, wherein the activation pattern represents a make and model of
the wireless-enabled headset;

receiving, from the host device over the initial wireless communication channel, at least one control signal configured to
activate the corresponding output device on the wireless-enabled headset in accordance with the activation pattern; and

generating, using the output device on the wireless-enabled headset, an output signal indicative of the activation pattern.

US Pat. No. 9,633,647

SELF-TUNING TRANSFER FUNCTION FOR ADAPTIVE FILTERING

Bose Corporation, Framin...

1. A computer-implemented method comprising:
obtaining, at one or more processing devices, a plurality of values representing corresponding sets of coefficients of an
adaptive filter over a period of time;

generating an updated set of coefficients for the adaptive filter such that a phase error associated with a transfer function
of the adaptive filter is reduced; and

generating a control signal by processing an input signal using the updated set of coefficients of the adaptive filter.

US Pat. No. 9,635,452

NOISE REDUCTION WITH IN-EAR HEADPHONE

BOSE CORPORATION, Framin...

1. An in-ear headphone, comprising:
an earbud body constructed and arranged for positioning in an ear canal of a wearer, configured to have a distal end farther
into the ear canal than a proximal end, the earbud body including a cavity and an opening to the cavity;

a transducer in the opening to the cavity, a portion of the transducer facing outward from the opening;
a microphone at the distal end of the earbud body and external to the cavity of the earbud body, the transducer between the
microphone and the cavity of the earbud body;

an earbud tip on the earbud body and complying with a surface of the earbud body; and
an acoustically resistive mesh structure at a distal end of the earbud tip, the mesh structure covering the microphone and
the portion of the transducer facing outward from the opening.

US Pat. No. 9,615,158

EARPIECE

Bose Corporation, Framin...

1. An earpiece, comprising:
an acoustic driver;
an acoustic nozzle extending from the acoustic driver toward an output aperture, the acoustic nozzle including an acoustic
passage between an entrance aperture and the output aperture to conduct sound waves from the acoustic driver toward the output
aperture, the acoustic passage having a proximal end adjacent the acoustic driver and a distal end toward the output aperture;

a sealing structure to engage an entrance to a user's ear canal;
first acoustic impedance at the proximal end of the acoustic nozzle; and
second acoustic impedance at the distal end of the acoustic nozzle;
wherein the first acoustic impedance is a first acoustic mesh formed of an acoustic material, and
wherein the acoustic nozzle has a nozzle volume between the first acoustic impedance and the second acoustic impedance, the
first acoustic impedance, second acoustic impedance, and nozzle volume being selected to control resonance in the user's ear
canal when the sealing structure is engaged with the entrance to the user's ear canal.

US Pat. No. 9,554,201

MULTIPLE-ORIENTATION AUDIO DEVICE AND RELATED APPARATUS

Bose Corporation, Framin...

1. An audio device for placement on a surface, comprising:
a housing incorporating a first support surface and a second support surface by which the audio device may be physically supported,
the first and second support surfaces providing the audio device with different orientations relative to the surface on which
the audio device is placed;

a first acoustic driver incorporated into the housing to acoustically output sound in a radiating pattern associated with
a first axis of the first acoustic driver;

an orientation sensor incorporated into the housing to detect a direction of a force of gravity; and
a control circuit coupled to the first acoustic driver and the orientation sensor, the control circuit to:
operate the orientation sensor to determine the direction of the force of gravity relative to the first axis;
determine whether the first axis is oriented to one of a first angle of elevation associated with physically supporting the
audio device by the first support surface and a second angle of elevation associated with physically supporting the audio
device by the second support surface; wherein the first and second angles of elevation are different and non-zero relative
to the surface on which the device is placed and

alter a characteristic of acoustic output of sound by the first acoustic driver based on the first axis being oriented to
one of the first and second angles of elevation,

wherein:
the housing comprises and is separable into a first housing portion and a second housing portion;
the first housing portion comprises the first acoustic driver, the orientation sensor and the control circuit; and
the second housing portion comprises a power source, and the first and second support surfaces, and
wherein:
the control circuit comprises a filter block that employs at least one digital filter to alter the characteristic; and
the second housing portion comprises a storage that stores indications of a first digital filter configuration associated
with the first support surface and a second digital filter configuration associated with the second support surface, the control
circuit to configure the at least one digital filter with the first or second filter configuration based on the first axis
being oriented to one of the first and second angles of elevation.

US Pat. No. 9,532,121

PORTABLE AUDIO SYSTEM HAVING WAVEGUIDE STRUCTURE

Bose Corporation, Framin...

1. A portable audio system comprising:
a housing defining an acoustic enclosure;
an acoustic driver enclosed within the housing to radiate acoustic energy from a front surface of the housing;
a port coupled to the acoustic enclosure and terminating in an acoustic opening located on a rear surface of the housing,
opposite the front surface; and

a grille applied to the front surface of the housing through which acoustic energy from driver inside the housing radiates
substantially unimpeded;

wherein the acoustic opening is located adjacent an exterior surface of the housing, the acoustic opening and the exterior
surface being configured to facilitate grasping of the housing with a plurality of fingers and the thumb from the single human
hand;

wherein the acoustic opening exits the surface of the housing such that the plurality of fingers can be inserted into the
exit while the thumb of the same hand can rest on at least one of the top surface and the front surface of the housing.

US Pat. No. 9,529,801

MULTIMEDIA ANALYSIS AND RECOMMENDATION GENERATION

Bose Corporation, Framin...

1. A computer program product, tangibly embodied on a non-transitory computer readable medium, comprising instructions, which
when executed by a data processor of a multimedia player, cause the data processor to:
determine first media content characteristics that characterize a user-specific collection of media content, including determining
the first media content characteristics based on first media content attributes associated with the user-specific collection
of media content, the determining including text matching between the first media content attributes and a set of possible
first media content characteristics;

compare the first media content characteristics with second media content characteristics that characterize a first set of
external streaming media content channels; and

based on the results of the comparison, present identifiers of a subset of the first set of external streaming media content
channels on an interface of the multimedia player.

US Pat. No. 9,313,482

FORMING SPECTRAL FILTERS

Bose Corporation, Framin...

1. A method of constructing glasses for viewing a 3D stereoscopic image display comprising:
sputtering first layers of optical materials onto a flexible substrate to form a first interference filter,
sputtering second layers of optical materials onto a second flexible substrate to form a second interference filter having
a response complementary to the response of the first optical filter,

controlling the compressive stress of the sputtering of the first and second layers to provide a built in curvature to the
first and second optical filters to form first and second lenses and;

fitting the lens into a frame.

US Pat. No. 9,172,897

AUDIO/VISUAL DEVICE GRAPHICAL USER INTERFACE

Bose Corporation, Framin...

1. An apparatus comprising:
a display element capable of visually displaying a visual portion of an audio/visual program and a racetrack menu having a
ring shape;

a processing device; and
a storage accessible to the processing device and storing a sequence of instructions that when executed by the processing
device, causes the processing device to:

cause the racetrack menu to be visually displayed on the display element such that the racetrack menu surrounds a first display
area in which the visual portion of the audio/visual program may be visually displayed;

cause a plurality of menu items to be visually displayed in the racetrack menu;
cause a first marker to be visually displayed in the racetrack menu;
receive an indication that a first manually-operable control is being operated to move the first marker;
in response to the indication of the first manually-operable control being operated to move the first marker, move the first
marker about the racetrack menu and constrain movement of the first marker to remain within the racetrack menu;

receive an indication of the first manually-operable control being operated to select a menu item of the plurality of menu
items that is in the vicinity of the first marker at a time subsequent to the first manually-operable control being operated
to move the first marker about the racetrack; and
in response to the indication of the first manually-operable control being operated to select the menu item that is in the
vicinity of the first marker, cause the menu item to be selected, wherein causing the menu item to be selected comprises taking
an action to cause the audio/visual program to be selected for playing, wherein the first manually-operable control is a touch
sensor having a touch-sensitive surface that is manually operable with a digit of a hand, and wherein execution of the sequence
of instructions by the processing device further causes the processing device to:
cause the racetrack menu to be visually displayed in response to an indication of the digit touching the touch-sensitive surface
followed by an indication of the digit remaining in contact with the touch-sensitive surface for at least a predetermined
period of time at a time when the racetrack menu is not being visually displayed; and

cause a command concerning playing the audio/visual program to be transmitted to a source of the audio/visual program in response
to an indication of the digit touching the touch-sensitive surface followed by an indication of the digit ceasing to touch
the touch-sensitive surface at a time when the racetrack menu is not being visually displayed.

US Pat. No. 9,812,113

VEHICLE ENGINE HARMONIC SOUND CONTROL

Bose Corporation, Framin...

1. An adaptive engine harmonic sound control system for a vehicle cabin, where there is an engine harmonic sound in the vehicle
cabin, the engine harmonic sound having a frequency, a magnitude, and a phase, the adaptive engine harmonic sound control
system for a vehicle cabin comprising:
circuitry for generating, based on an engine operating parameter, a non-zero target engine harmonic signal representative
of a target engine harmonic sound in the vehicle cabin, wherein the non-zero target engine harmonic signal comprises predefined
magnitude and phase targets for each of a plurality of target harmonic signals that each have a frequency;

a microphone for measuring sound in the vehicle cabin, and having an output signal;
circuitry for combining the non-zero target engine harmonic signal and the microphone output signal to create a combined signal;
an output transducer for producing an approximation of the target engine harmonic sound at a location of the microphone; and
circuitry, responsive to the combined signal, for driving the output transducer to minimize a difference between the non-zero
target engine harmonic signal and the approximation of the target engine harmonic sound, by bringing the magnitude and phase
of the engine harmonic sound in the vehicle cabin closer to the magnitude and phase targets of the non-zero target engine
harmonic signal.

US Pat. No. 9,628,914

BINAURAL TELEPRESENCE

Bose Corporation, Framin...

1. A system for providing binaural telepresence, the system comprising:
a first communication device;
a first set of headphones, coupled to the first communication device, configured to provide first left and right external
microphone signals to the first communication device, and having an active hear-through mode;

a second communication device capable of receiving signals from the first communication device; and
a second set of active noise reducing headphones, coupled to the second communication device, and having an active noise-cancelling
mode;

wherein
the first communication device is configured to transmit the first left and right external microphone signals to the second
communication device;

the second communication device is configured to provide the first left and right feed-forward external microphone signals
to the second set of headphones;

one of the first set of headphones, the first communication device, the second communication device, or the second set of
headphones is configured to apply first filters to the first left and right external microphone signals;

the second set of headphones are configured to reproduce the filtered first left and right external microphone signals so
that a user of the second set of headphones hears ambient noise from the environment of the first set of headphones; and

the filtering of the first left and right external microphone signals results in the user of the second set of headphones
hearing the ambient noise from the first set of headphones with ambient naturalness.

US Pat. No. 9,615,185

DYNAMIC SOUND ADJUSTMENT

Bose Corporation, Framin...

1. One or more non-transitory machine-readable media storing instructions that are executable by one or more processing devices
to perform operations comprising:
analyzing an effect of noise in an interior of a vehicle on sound in the interior of the vehicle, at least part of the sound
being produced by audio signals;

accessing a group of adjustment curves, wherein each adjustment curve in the group corresponds to a different noise spectrum,
and has a slope that represents a ratio between magnitudes of (i) noise energy in a low frequency band, and (ii) noise energy
in a high frequency band that includes frequencies larger than frequencies in the low frequency band

selecting an adjustment curve among the group of adjustment curves based on one or more characteristics of the noise; and
determining an amount of adjustment to be made to the audio signals based on the analyzed effect and the selected adjustment
curve.

US Pat. No. 9,527,415

ACTIVE SUSPENSION OF A MOTOR VEHICLE PASSENGER SEAT

Bose Corporation, Framin...

1. An active suspension system for a motor vehicle passenger seat, comprising:
an actuator that is constructed and arranged to place force on the seat to cause motion of the seat in a first degree of freedom;
a sensor system that detects motor vehicle motion in at least the first degree of freedom; and
a controller, responsive to the sensor system, that provides control signals that cause the actuator to exert forces on the
seat in the first degree of freedom so as to counteract unwanted motions of the seat; and

an accident detection system for determining if an accident involving the vehicle in which the active seat resides is imminent,
wherein when the accident detection system detects that an accident with another vehicle is imminent, the controller provides
control signals that cause the actuator to exert force on the seat in the first degree of freedom, to move a seat occupant
to a better location to protect the seat occupant, prior to the impact with the other vehicle.

US Pat. No. 9,327,628

AUTOMOBILE HEADREST

Bose Corporation, Framin...

1. An automobile headrest comprising:
A.) a main body portion comprising:
i.) first and second speakers disposed within the main body portion,
ii.) a core configured to support the speakers, and
iii.) a front cover formed as a one piece molded plastic part, the front cover defining a reaction plate that is arranged
to support a back of a head of a user, wherein the reaction plate is configured such that at least a portion of the speakers
is disposed behind the reaction plate and directly behind the head of the user when the back of the head of the user rests
against the reaction plate and is centered relative to the main body portion; and

B.) a pair of support rods connected to the core,
wherein the core defines a portion of one or more acoustic chambers for the first and second speakers.

US Pat. No. 9,201,577

USER INTERFACES FOR CONTROLLING AUDIO PLAYBACK DEVICES AND RELATED SYSTEMS AND DEVICES

Bose Corporation, Framin...

1. A user interface for controlling an audio playback device, the user interface comprising:
an input region operable to select from a plurality of entities for providing audio content to the audio playback device;
and

a display for displaying information associated with the entities,
wherein the user interface is configured to allow a user to preview the information associated with the entities via the display
prior to selection of one of the entities for providing audio content for playback on the audio playback device,

wherein the user interface is operable in a presets mode and a recents mode,
wherein, when the user interface is in the presets mode, the input region operates as an absolute location of a plurality
of preset indicators, which correspond to a set of preset indicators on the audio playback device, each indicator in the set
of preset indicators is configured to have assigned to it one of the entities, and a user can preview information associated
with an assigned one of the entities via the display by touching a corresponding one of the preset indicators, and

wherein, when the user interface is in the recents mode, a swiping motion along the input region allows a user to preview
a recents list, wherein the recents list is a list of entities that is populated from content that the user has chosen to
play on the audio playback device.

US Pat. No. 9,161,151

MANIPULATING SPATIAL PROCESSING IN AN AUDIO SYSTEM

Bose Corporation, Framin...

1. A vehicle audio system comprising:
an input for receiving input audio signals;
an announcement audio extractor configured to extract announcement audio content from the input audio signals and output the
extracted announcement audio content and entertainment audio content remaining in the input audio signals after extraction
of the announcement audio content;

a spatial processor configured to receive the entertainment audio content from the announcement audio extractor and apply
spatial processing to the entertainment audio content to output spatially processed entertainment audio content; and

an output matrixer configured to
receive the announcement audio content from the announcement audio extractor and the spatially processed entertainment audio
content from the spatial processor, and

combine the announcement audio content and the spatially processed entertainment audio content to generate output audio signals;
and

an output for providing the output audio signals,
wherein the input receives front and rear input audio signals, and
the announcement audio extractor compares at least one front audio input signal to at least one rear audio input signal and
extracts the difference between the compared front and rear audio input signals as the announcement audio content, and inserts
the announcement audio signal in the front audio signal only.

US Pat. No. 9,620,142

SELF-VOICE FEEDBACK IN COMMUNICATIONS HEADSETS

Bose Corporation, Framin...

1. A communications device comprising:
a first ear cup and a second ear cup;
a first output transducer that is acoustically coupled to an acoustic volume defined by a volume of air within a first ear
canal of a wearer of the communications device and a volume of air within the first ear cup;

a second output transducer that is acoustically coupled to an acoustic volume defined by a volume of air within a second ear
canal of the wearer and a volume of air within the second ear cup;

a first microphone to provide a first signal having a voice component that represents a response of the first microphone to
near-end speech;

a second microphone to provide a second signal having a voice component that represents a response of the second microphone
to the near-end speech;

first signal processing circuitry, electrically coupled to the first and the second microphones, being configured to:
determine, from at least the first signal and the second signal, parameter values including a microphone mixing parameter
value and a gain adjustment parameter value;

process the first signal and the second signal according to at least the determined microphone mixing parameter value to produce
a gain-adjusted outbound signal carrying the near-end speech for output from the communications device; and

produce a first control signal having a value corresponding to the microphone mixing parameter value and a second control
signal having a value corresponding to the gain adjustment parameter value; and

second signal processing circuitry, electrically coupled to the first and the second output transducers and the first and
the second microphones, being configured to:

process the first signal and the second signal according to the determined parameter values to produce a combined gain-adjusted
near-end signal carrying the near-end speech for output to the first and the second output transducers by:

receiving the first control signal and the second control signal from the first signal processing circuitry;
mixing the first equalized signal and the second signal according to the first control signal to produce a combined near-end
signal; and

adjusting a gain of the combined near-end signal according to the second control signal to produce the combined gain-adjusted
near-end signal;

wherein the second signal processing circuitry comprises low-latency circuitry and the combined gain-adjusted near-end signal
comprises a self-voice feedback signal.

US Pat. No. 9,495,953

DYNAMIC ENGINE HARMONIC ENHANCEMENT SOUND STAGE

Bose Corporation, Framin...

1. A method, comprising:
providing a fundamental frequency corresponding to the RPM of an engine of a vehicle;
determining a plurality of harmonics of the fundamental frequency;
determining a plurality of first gain values, the plurality of first gain values comprising, for each harmonic of the plurality
of harmonics, a first gain value as a function of RPM;

determining a plurality of first phase values, the plurality of first phase values comprising, for each harmonic of the plurality
of harmonics, a first phase value as a function of RPM;

combining the plurality of harmonics, the plurality of first gain values, and the plurality of first phase values to produce
a first set of harmonic enhancement signals;

combining the harmonic enhancement signals of the first set to provide a first channel harmonic enhancement signal;
determining a plurality of second gain values, the plurality of second gain values comprising, for each harmonic of the plurality
of harmonics, a second gain value as a function of RPM;

determining a plurality of second phase values, the plurality of second phase values comprising, for each harmonic of the
plurality of harmonics, a second phase value as a function of RPM;

combining the plurality of harmonics, the plurality of second gain values, and the plurality of second phase values to produce
a second set of harmonic enhancement signals; and

combining the harmonic enhancement signals of the second set to provide a second channel harmonic enhancement signal,
wherein a per harmonic phase difference between the plurality of first phase values and the plurality of second phase values
varies as a function of the engine RPM.

US Pat. No. 9,277,303

TREATMENT FOR LOUDSPEAKER SUSPENSION ELEMENT FABRIC

Bose Corporation, Framin...

1. A loudspeaker suspension, comprising:
a body formed of a weave fabric, the body having an outer region and a central region;
a warp region extending substantially from the central region to the outer region;
a weft region orthogonal to the warp region and extending substantially from the central region to the outer region; and
a region between the warp region and the weft region, wherein at least a portion of the warp and weft regions of the weave
fabric includes a stiffness-reducing treatment, so that the warp and weft regions have a greater amount of stiffness-reducing
treatment than the region between the warp and weft regions.

US Pat. No. 9,253,576

SUSPENSION FOR ACOUSTIC DEVICE

Bose Corporation, Framin...

1. An apparatus comprising:
first and second rigid elements; and
a suspension element which couples the first rigid element to the second rigid element such that the first rigid element is
movable in a reciprocating manner relative to the second rigid element, the suspension element comprising a concave surface,
a convex surface facing away from an interior of an enclosure which can be coupled to the second rigid element, and at least
first and second radial segments of opposite concavity, the first segment extending away from the concave surface and the
second segment extending away from the convex surface.

US Pat. No. 9,215,522

EARPHONES

Bose Corporation, Framin...

1. An in-ear headphone comprising:
an acoustic transducer having a sound-radiating surface that moves along a first axis;
a housing enclosing the acoustic transducer;
a first acoustic chamber defined by a first side of the acoustic transducer and a first portion of the housing, the first
acoustic chamber including a first reactive port in a serial configuration with an acoustic resistance to couple the first
acoustic chamber with space outside the headphone;

a second acoustic chamber defined by a second side of the acoustic transducer and a second portion of the housing, the second
acoustic chamber separated from the first acoustic chamber by the acoustic transducer;

an opening in a nozzle extending from the housing coupling the second acoustic chamber to a wearer's ear canal along a second
axis through the nozzle that is not parallel to the first axis; and

a cushion removably attached to the housing, wherein the cushion at least partially couples the headphone to the wearer's
ear, extends over the nozzle of the housing, and includes a mounting surface for supporting the housing from the wearer's
ear.

US Pat. No. 9,723,419

SYSTEMS AND METHODS FOR DETERMINING METRIC FOR SOUND SYSTEM EVALUATION

BOSE CORPORATION, Framin...

1. A method for evaluating a sound system performance, comprising:
representing an audience space on a surface of a sphere, including:
identifying points from an audience listening area of the audience space;
extending lines from the points from the audience listening area to a sound system, the sphere having a center that is substantially
collocated with a center of the sound system;

positioning points of intersection of the extended lines on the sphere which correspond to a boundary of the audience listening
area projected on the surface of the sphere;

forming a pattern on the surface of the sphere that represents the projected audience listening area; and
dividing the surface of the sphere into sections, each section within the boundary of the audience listening area projected
on the surface of the sphere having a sound field sample point, the sound field sample points in the sections equally spaced
apart from each other;

calculating an efficiency of the sound system by determining an amount of energy produced by the sound system that reaches
the audience space relative to a total amount of energy produced by the sound system by determining an energy contribution
at each equally spaced sound field sample point, wherein the energy arriving at the surface of the sphere includes a relative
array direct field energy produced by the sound system;

generating a metric for a function by normalizing the efficiency by a ratio of an area of the pattern on the surface of the
sphere that represents the projected audience listening area relative to a total area of the sphere, the metric used to measure
of an amount of sound energy in a spatial domain with respect to a listening audience direction of the audience space; and

applying the metric to an objective function designed to quantify the performance of the sound system in an audio simulation
system and to modify at least one of a design of the sound system, components of the sound system, or sound environment components
so that the sound system outputs acoustics controlled according to the modified design.

US Pat. No. 9,601,969

INHIBITING ROCKING OF LOADS DRIVEN BY PLURAL LEVERS

Bose Corporation, Framin...

1. An apparatus comprising:
a load;
a first armature;
a first lever mechanically coupling the first armature and the load and configured such that motion of the first armature
causes the first lever to pivot about a first pivot axis;

a second armature;
a second lever mechanically coupling the second armature and the load and configured such that motion of the second armature
causes the second lever to pivot about a second pivot axis;

at least one stator for creating magnetic flux for the first and second armatures to interact with, thereby to drive motion
of the load; and

a coupling mechanism coupling the first lever and the second lever,
wherein the coupling mechanism is arranged to encourage common mode oscillation of the first and second levers and inhibit
differential mode oscillation of the first and second levers, thereby to inhibit rocking of the load, wherein the coupling
mechanism couples the first and second levers via the first and second armatures.

US Pat. No. 9,571,917

ACOUSTIC DEVICE

Bose Corporation, Framin...

1. An acoustic device, comprising:
a neck loop that is constructed and arranged to be worn around at least a portion of a user's neck, the neck loop comprising
a generally “U”-shaped portion that comprises a central portion and first and second leg portions that depend from the central
portion, the neck loop further comprising a first acoustic waveguide that extends through the central portion and has a first
sound outlet opening located in the second leg, and a second acoustic waveguide that extends through the central portion and
has a second sound outlet opening located in the first leg;

a first open-backed acoustic driver located in the first leg and acoustically coupled to the first waveguide, where the first
driver is arranged to radiate sound outwardly from the first leg of the neck loop, and is also arranged to radiate sound into
the first waveguide, through the central portion, and out the first sound outlet opening; and

a second open-backed acoustic driver located in the second leg and acoustically coupled to the second waveguide, where the
second driver is arranged to radiate sound outwardly from the second leg of the neck loop, and is also arranged to radiate
sound into the second waveguide, through the central portion, and out the second sound outlet opening.