US Pat. No. 9,065,166

MULTI-BAND PLANAR INVERTED-F (PIFA) ANTENNAS AND SYSTEMS WITH IMPROVED ISOLATION

Laird Technologies, Inc.,...

1. An antenna system operable within at least a first frequency range and a second frequency range different than the first
frequency range, the system comprising:
a ground plane;
first and second planar inverted-F antennas (PIFAs), each PIFA including:
a planar radiator having a slot;
a lower surface spaced apart from the planar radiator and mechanically and electrically connected to the ground plane;
a first shorting element electrically connecting the planar radiator to the lower surface;
a second shorting element having a non-flat configuration and electrically connecting the planar radiator to the lower surface;
and

a feeding element electrically connected to and extending between the planar radiator and the lower surface;
a first isolator disposed between the first and second PIFAs; and
a second isolator extending outwardly from the ground plane.

US Pat. No. 9,089,044

EMI SHIELDING CONNECTOR GASKET

Laird Technologies, Inc.,...

1. A gasket comprising a body of indefinite length, the gasket having a cross-sectional profile comprising three protruding
members including a first member being generally vertical, a second member being generally forty-five degrees from the first
member via a curve, and a third member protruding from the second member near the curve, the third member being at an angle
generally less than vertical but more than forty five degrees with respect to the second member.

US Pat. No. 9,093,750

MULTIBAND MIMO VEHICULAR ANTENNA ASSEMBLIES WITH DSRC CAPABILITIES

Laird Technologies, Inc.,...

1. A multiband multiple input multiple output (MIMO) vehicular antenna assembly for installation to a vehicle body wall, the
antenna assembly comprising:
at least one cellular antenna configured to be operable over one or more cellular frequencies;
a dual monopole antenna configured to be operable over Dedicated Short Range Communication (DSRC) frequencies, the dual monopole
antenna including:

an isolator configured to provide isolation between the dual monopole antenna and the at least one cellular antenna; and
first and second DSRC antenna elements spaced apart from each other and disposed along opposite sides of the isolator;
a first circuit board connected to and/or supporting the at least one cellular antenna; and
a second circuit board above the first circuit board, the second circuit board formed of a different material than the first
circuit board such that the second circuit board has a lower loss tangent at DSRC frequencies than the first circuit board,
the second circuit board connected to and/or supporting the dual monopole antenna.

US Pat. No. 9,431,687

HEATING ASSEMBLIES AND SYSTEMS FOR RECHARGEABLE BATTERIES

Laird Technologies, Inc.,...

1. A heating assembly for one or more rechargeable batteries, the heating assembly comprising:
a flexible heating element positionable about the one or more rechargeable batteries and configured to receive power from
a charger operable for charging the one or more rechargeable batteries;

a temperature sensor configured to sense a temperature adjacent the one or more rechargeable batteries, the temperature sensor
adjacent the flexible heating element; and

a control circuit configured to receive the sensed temperature from the temperature sensor and connect the charger to the
flexible heating element for allowing power to flow from the charger to the flexible heating element in response to the sensed
temperature adjacent the one or more rechargeable batteries falling below a defined threshold temperature;

wherein the flexible heating element includes a polyimide insulated heater.

US Pat. No. 9,070,966

MULTI-BAND, WIDE-BAND ANTENNAS

Laird Technologies, Inc.,...

1. A multi-band, wide-band antenna comprising:
an upper portion including two or more upper radiating elements and one or more slots disposed between the two or more upper
radiating elements;

a lower portion including two or more lower radiating elements and one or more slots disposed between the two or more lower
radiating elements;

a gap having two open ends between the upper and lower portions such that the upper radiating elements are separated and spaced
apart from the lower radiating elements, the gap including a plurality of rectangular portions defining a stepped configuration,

wherein the plurality of rectangular portions of the gap comprises a first rectangular portion and a second rectangular portion
that is narrower than the first rectangular portion, the second rectangular portion extending from an edge of the antenna
towards an opposite edge of the antenna to intersect with the first rectangular portion;

whereby coupling of the gap and the upper and lower radiating elements enable multi-band, wide-band operation of the antenna
within at least a first frequency range and a second frequency range, with the upper radiating elements operable as a radiating
portion of the antenna, the lower radiating elements operable as a ground portion, and the gap operable for impedance matching.

US Pat. No. 9,321,949

ADHESIVE, THERMALLY CONDUCTIVE, ELECTRICAL INSULATORS

Laird Technologies, Inc.,...

1. A thermally conductive electrically insulating material consisting only of:
4 to 40 parts by weight of a macromolecular matrix material;
1 to 20 parts by weight of an adhesive additive; and
40 to 85 parts by weight of thermally conductive electrically insulating particles.

US Pat. No. 9,131,616

METALLIZED FILM-OVER-FOAM CONTACTS

Laird Technologies, Inc.,...

1. A metallized film-over-foam contact for circuit grounding of surface mount technology devices, the contact comprising:
a resilient core member;
a solderable electrically conductive layer including a metallized film; and
an adhesive bonding the solderable electrically conductive layer to the resilient core member, the adhesive having no more
than a maximum of 900 parts per million chlorine, no more than a maximum of 900 parts per million bromine, and no more than
a maximum of 1,500 parts per million total halogens;

whereby the contact includes a plate positioned between the contact and a solder pad, wherein the plate and the solder pad
are coupled with the contact via solder paste, whereby the plate operates to provide a rigid structure to the contact and
separate the contact from the solder pad.

US Pat. No. 9,153,873

MULTIPLE-ANTENNA SYSTEMS WITH ENHANCED ISOLATION AND DIRECTIVITY

Laird Technologies, Inc.,...

1. A system comprising:
a ground plane including a circular portion having a circumference and a center;
a plurality of antenna elements mounted to the ground plane along the circumference of the circular portion of the ground
plane, the antenna elements equidistant from the center of the circular portion of the ground plane, the antenna elements
spaced equally apart from each other such that a one hundred twenty degree(120°) arc is defined between mounting points of
two adjacent antenna elements and the center of the circular portion of the ground plane;

a first plurality of isolators/reflectors in a spoked configuration centered at the center of the circular portion of the
ground plane, such that the isolators/reflectors are positioned about the center of the circular portion of the ground plane
and extend outwardly in a direction away from the center of the circular portion of the ground plane; and/or

a second plurality of isolators/reflectors, each placed between a corresponding one of the antenna elements and the center
of the circular portion of the ground plane;

wherein each of the first and the second pluralities of isolators/reflectors includes two vertical sections and a horizontal
section that is generally parallel with the ground plane, and defining an inverted U-shaped configuration for each of the
isolators/reflectors.

US Pat. No. 9,331,390

ANTENNA ASSEMBLIES

LAIRD TECHNOLOGIES, INC.,...

1. An antenna assembly comprising:
a first radiating board including one or more dipole radiating elements;
a second radiating board including one or more dipole radiating elements;
a network board between the first and second radiating boards such that the first and second radiating boards are respectively
spaced apart from upper and lower surfaces of the network board, the network board including a feed network and a ground plane;
and

one or more interconnect boards operable for providing an electrical connection between the feed network and the dipole radiating
elements of the first and second radiating boards, the one or more interconnect boards being perpendicular to the network
board, the one or more interconnect boards including a first end electrically connected to the first radiating board and a
second end electrically connected to the second radiating board;

whereby the dipole radiating elements are operable simultaneously and co-locate radio frequency currents for a first frequency
band and a second frequency band.

US Pat. No. 9,136,603

MULTI-BAND DIPOLE ANTENNA ASSEMBLIES FOR USE WITH WIRELESS APPLICATION DEVICES

Laird Technologies, Inc.,...

1. An antenna element for a multi-band sleeve dipole antenna assembly that is configured to be externally installed to a wireless
application device, the antenna element comprising:
a body;
a first radiating element tuned for receiving electrical resonant frequencies within a first frequency bandwidth;
a second radiating element tuned for receiving electrical resonant frequencies within a second frequency bandwidth different
from the first frequency bandwidth;

at least part of the first radiating element and/or at least part of the second radiating element having a non-planar construction
defining a non-solid interior portion;

wherein the first and second radiating elements are integrally, monolithically defined at least partly by the body;
wherein the antenna element is stamped from a single sheet of conductive material forming the first radiating element and
the second radiating element such that the first and second radiating elements are monolithically or integrally formed as
one piece of material;

wherein the first and second radiating elements have rounded outer perimeters and share a common longitudinal axis where a
radius of curvature of the first radiating element is the same as that of the second radiating element to monolithically form
a partial cylinder shape;

wherein a side portion of the partial cylinder shape includes an open slot formed between a first side of the first radiating
element and a first side of the second radiating element such that the side portion is open;

wherein a second side of the second radiating element opposite its first side is coextensive with or defined by a second side
of the first radiating element opposite its first side;

whereby the first and second radiating elements are configured for use with a multi-band sleeve dipole antenna assembly that
includes a ground in the form of a metallic cylindrical hollow sleeve to which the antenna element is coupled by a coaxial
cable that extends through the sleeve to the antenna element; and

wherein the sleeve includes a length that is a fraction of a wavelength of a lower operating frequency band of the first frequency
bandwidth and the second frequency bandwidth such that the sleeve contributes to the frequency characteristics of the antenna
element.

US Pat. No. 9,222,735

COMPLIANT MULTILAYERED THERMALLY-CONDUCTIVE INTERFACE ASSEMBLIES

Laird Technologies, Inc.,...

9. A thermally-conductive interface assembly comprising a perforated thermally-conductive sheet having first and second sides
and one or more perforations extending through the perforated thermally-conductive sheet from the first side to the second
side, the perforated thermally-conductive sheet sandwiched between first and second layers of thermal interface material,
which is conformable to mating surfaces such that the first and second layers of thermal interface material are respectively
conformable to one of the mating surfaces of at least one heat generating component of an electronic device and one of the
mating surfaces of a heat dissipating member, wherein the thermal interface material encapsulates the perforated thermally-conductive
sheet, covers the one or more perforations, and forms a bond through the one or more perforations, whereby the bond helps
mechanically bond the first and second layers to the perforated thermally-conductive sheet and helps provide heat conduction
between the first and second layers.

US Pat. No. 9,103,684

SYSTEM AND METHOD FOR ODOMETER CALIBRATION

Laird Technologies, Inc.,...

10. A method of calibrating an odometer of a motor vehicle comprising:
receiving first speed data, which includes electronic data, for the motor vehicle over a duration of operation of the motor
vehicle;

receiving, via a communications link, second speed data, which includes electronic data, for the motor vehicle over a portion
of the duration of operation of the motor vehicle;

wherein receiving first speed data comprises receiving first speed data from a speed sensor onboard the motor vehicle;
wherein receiving second speed data comprises receiving second speed data from a global positioning system, via a communications
link between the global positioning system and a global positioning system controller onboard the motor vehicle, in which
the communications link is active to enable communication for the portion of the duration of operation of the motor vehicle;

computing an overall average speed of the motor vehicle during the duration of operation from the first speed data;
computing an intermittent average speed for the motor vehicle during the portion of the duration of the operation of the motor
vehicle;

computing a second average speed for the motor vehicle during the portion of the duration from the second speed data; and
computing corrected odometer data based on the second average speed, intermittent average speed and overall average speed;
wherein computing corrected odometer data comprises using the following equation:
where D is corrected odometer data value for the motor vehicle, vaveGPS is average GPS speed data value, vaveSpeed is intermittent average speed data value, voverallaveSpeed is overall average speed data value, t is the duration, and D1 is current odometer data value.

US Pat. No. 9,173,333

SHIELDING STRUCTURES INCLUDING FREQUENCY SELECTIVE SURFACES

LAIRD TECHNOLOGIES, INC.,...

1. A shielding structure comprising a frequency selective surface including at least a portion that is configured to be conformable
to a mating surface, whereby the frequency selective surface is configured to be operable for attenuating, reflecting, and/or
redirecting electromagnetic signals at one or more bandstop frequencies that are propagating through a structure without completely
blocking the structure when the frequency selective surface is positioned within the structure.

US Pat. No. 9,360,240

THERMOELECTRIC ASSEMBLY

Laird Technologies, Inc.,...

1. A thermoelectric assembly comprising:
a cold side and a hot side, where a boundary between the hot side and the cold side is generally defined by a plane;
the assembly further comprising a fan sink on the hot side, and a pair of fan sinks on the cold side;
wherein each fan sink comprises a heat sink and a fan, each fan comprising a blade, and each heat sink comprising a heat sink
base and a fin set disposed on the heat sink base, each fin set comprising a plurality of substantially parallel planar fins,
the fins being aligned in an exhaust direction, the exhaust direction being parallel to the plane, wherein each fan sink is
associated with an air intake direction defined by an axis about which the blade is rotatably attached to the fan, the air
intake direction being perpendicular to the plane;

the assembly further comprising a plurality of thermoelectric modules, the thermoelectric modules being arranged in at least
one electrical circuit, with each thermoelectric module being in thermal contact with the heat sink bases of the fan sinks
on both the hot side and the cold side, wherein the air intake directions of the pair of fan sinks on the cold side are substantially
parallel vectors; and

wherein the angle defined by the exhaust directions of the pair of fan sinks on the cold side is selected from the group consisting
of zero degrees, ninety degrees, and one hundred eighty degrees;

the assembly further comprising an electric bay between the pair of fan sinks on the cold side.

US Pat. No. 9,322,580

CIRCUIT ASSEMBLIES INCLUDING THERMOELECTRIC MODULES

Laird Technologies, Inc.,...

1. A circuit assembly comprising:
a circuit board;
a thermoelectric module; and
at least one electrical pathway coupling the thermoelectric module to the circuit board;
wherein the circuit board forms at least part of the thermoelectric module; and
wherein the circuit board supports electrical components on the circuit board at locations spaced apart from the thermoelectric
module; and

the circuit assembly further comprising multiple thermoelectric modules, and wherein the circuit board forms at least part
of the multiple thermoelectric modules.

US Pat. No. 9,226,433

SELECTIVELY CONDUCTIVE EMI GASKETS

Laird Technologies, Inc.,...

1. An electromagnetic interference gasket comprising a body of indefinite length and including:
a core surrounded by an electrically-conductive layer, where the electrically-conductive layer is adhered to the core; and
a nonconductive layer adhered to the electrically-conductive layer along one or more opposite sides of the gasket that are
configured to deflect outwardly when the gasket is compressed between first and second surfaces;

wherein a printed circuit board includes the first surface;
wherein the gasket is deflectable between the printed circuit board and the second surface to provide electrical conductivity
between the first surface of the printed circuit board and the second surface with the nonconductive layer preventing electrical
contact with and shorting out of an adjacent electrical component on the first surface of the printed circuit board when the
gasket is compressed and the nonconductive layer contacts the adjacent electrical component.

US Pat. No. 9,491,691

BLUETOOTH ASSISTED COOPERATIVE WIFI SCAN AND ROAM

Laird Technologies, Inc.,...

1. A cooperative scan and roam BLUETOOTH system comprising:
one or more BLUETOOTH nodes configured to transmit node roam table data or a universally unique identifier (UUID) to one or
more client devices, the one or more client devices each having a stored client roam table and connected to at least one of
multiple access points of a wireless network;

thereby allowing the one or more client devices to update their stored client roam tables wherein, when node roam table data
is transmitted, the stored client roam tables are updated based on the transmitted node roam table data, and wherein, when
a UUID is transmitted, the stored client roam tables are updated based on roam table information obtained from a server according
to the transmitted UUID, or are updated based on roam table information obtained from a cache including multiple roam tables
according to the transmitted UUID;

wherein the one or more client devices are configured to receive the node roam table data from the one or more BLUETOOTH nodes,
the server and/or the cache, and store the received node roam table data in their client roam tables; and

wherein the one or more client devices are configured to scan the one or more wireless networks to detect additional access
points in the one or more wireless networks, compare scan result data to the received node roam table data, and when the scan
result data is different from the received roam table data, transmit the scan result data to the one or more BLUETOOTH nodes.

US Pat. No. 9,462,732

ELECTROMAGNETIC INTERFERENCE SHIELDING (EMI) APPARATUS INCLUDING A FRAME WITH DRAWN LATCHING FEATURES

LAIRD TECHNOLOGIES, INC.,...

1. A shielding apparatus suitable for use in providing electromagnetic interference shielding for one or more electrical components
on a substrate, the shielding apparatus comprising:
a cover including one or more retention members having one or more cam surfaces and one or more openings;
a frame having a top surface and sidewalls, the frame being partly drawn in construction such that the frame includes:
one or more drawn latching features extending outwardly from the top surface of the frame, the one or more drawn latching
features engageable within the one or more openings of the cover to thereby releasably attach the cover to the frame; and

one or more openings along the sidewalls where material was drawn to form the one or more drawn latching features, which openings
extend downwardly along the sidewalls from the one or more drawn latching features to a bottom of the frame such that each
of the one or more openings along the sidewalls has an open shape;

wherein the one or more drawn latching features contact and slide along the one or more cam surfaces of the one or more retention
members of the cover when the cover is positioned over the frame, and wherein sliding contact of the one or more drawn latching
features with the one or more cam surfaces causes the one or more retention members to move and allow the one or more drawn
latching features to move into the one or more openings of the one or more retention members.

US Pat. No. 9,330,998

THERMAL INTERFACE MATERIAL ASSEMBLIES AND RELATED METHODS

Laird Technologies, Inc.,...

1. A thermal interface material assembly comprising:
a substrate;
one or more thermally-conductive pillars protruding outwardly away from the substrate, the one or more thermally-conductive
pillars comprise metal or metal alloy; and

a thermally-conductive heat path at least partially defined by and through the substrate and the one or more thermally-conductive
pillars, whereby heat may be transferable along the thermally-conductive heat path from a heat source of an electronic device
to a heat dissipating device.

US Pat. No. 9,260,645

THERMAL INTERFACE MATERIALS INCLUDING THERMALLY REVERSIBLE GELS

Laird Technologies, Inc.,...

1. A thermal interface material comprising at least one thermally conductive filler in a thermally reversible gel, the thermally
reversible gel comprising di-block styrenic copolymer whereby the thermal interface material comprises a gap pad that is soft
at room temperature and that is operable for allowing heat generated by an operating electrical component to pass through
the gap pad, wherein:
the thermal interface material has a hardness of about 48 Shore 00, the thermally reversible gel comprises di-block and tri-block
styrenic copolymers and paraffinic oil, the paraffinic oil is about 14.1 percent of the gap pad by weight, the di-block styrenic
copolymer is about 4.2 percent of the gap pad by weight, the tri-block styrenic copolymer is about 1.1 percent of the gap
pad by weight, and the at least one thermally conductive filler is about 80.2 percent of the gap pad by weight; or

the thermal interface material has a hardness of about 75 Shore 00, the thermally reversible gel comprises di-block styrenic
copolymer, a tri-block and di-block styrenic copolymer blend and paraffinic oil, the paraffinic oil is about 13.5 percent
of the gap pad by weight, the di-block styrenic copolymer is about 11.7 percent of the gap pad by weight, the di-block and
tri-block styrenic copolymer blend is about 3.4 percent of the gap pad by weight, and the at least one thermally conductive
filler is about 81 percent of the gap pad by weight; or

the thermal interface material has a hardness of about 80 Shore 00, the thermally reversible gel comprises a di-block styrenic
copolymer, a tri-block styrenic copolymer, and paraffinic oil, the paraffinic oil is about 43.2 percent of the gap pad by
weight, the di-block styrenic copolymer is about 2.9 percent of the gap pad by weight, the tri-block styrenic copolymer is
about 6.7 percent of the gap pad by weight, and the at least one thermally conductive filler is about 46.1 percent of the
gap pad by weight; or

the thermal interface material has a hardness of about 88 Shore 00, the thermally reversible gel comprises a di-block styrenic
copolymer, a tri-block styrenic copolymer, and paraffinic oil, the paraffinic oil is about 42.4 percent of the gap pad by
weight, the di-block styrenic copolymer is about 2.8 percent of the gap pad by weight, the tri-block styrenic copolymer is
about 6.6 percent of the gap pad by weight, and the at least one thermally conductive filler is about 47.1 percent of the
gap pad by weight; or

the thermal interface material has a hardness of about 28 Shore 00, the thermally reversible gel comprises di-block styrenic
copolymer, a tri-block and di-block styrenic copolymer blend and paraffinic oil, the paraffinic oil is about 42.5 percent
of the gap pad by weight, the di-block styrenic copolymer is about 5.3 percent of the gap pad by weight, the di-block and
tri-block styrenic copolymer blend is about 10.6 percent of the gap pad by weight, and the at least one thermally conductive
filler is about 40.3 percent of the gap pad by weight.

US Pat. No. 9,357,683

ELECTROMAGNETIC INTERFERENCE (EMI) SHIELDING APPARATUS INCLUDING ELECTRICALLY-CONDUCTIVE FOAM

Laird Technologies, Inc.,...

1. A multipiece shielding apparatus comprising:
a frame comprising electrically-conductive foam that comprises plated foam; and
a cover attachable to the frame;
whereby the multipiece shielding apparatus is operable for shielding one or more components on a substrate when the one or
more components are within an interior cooperatively defined by the frame and the cover attached to the frame;

wherein:
the multipiece shielding apparatus has a height of less than one millimeter;
the electrically-conductive foam has a flame rating of UL94 V-0;
the electrically-conductive foam has no more than a maximum of 900 parts per million chlorine, no more than a maximum of 900
parts per million bromine, and no more than a maximum of 1,500 parts per million total halogens; and

the cover has no more than a maximum of 900 parts per million chlorine, no more than a maximum of 900 parts per million bromine,
and no more than a maximum of 1,500 parts per million total halogens.

US Pat. No. 9,260,646

POLYMER MATRICES FUNCTIONALIZED WITH CARBON-CONTAINING SPECIES FOR ENHANCED THERMAL CONDUCTIVITY

Laird Technologies, Inc.,...

1. A material comprising a polymer matrix functionalized with a carbon-containing species covalently coupled with the polymer
matrix, wherein the carbon-containing species is covalently bonded to the polymer matrix via a coupling agent that is part
of the polymer matrix, and the polymer matrix comprises a two-part silicone matrix including a first part operable as the
coupling agent and a second part operable as a functionalization molecule;
wherein the polymer matrix includes at least one thermally conductive filler; and/or
wherein the functionalization of the polymer matrix improves thermal conductivity of the polymer matrix by at least 11%.

US Pat. No. 9,258,928

ASSEMBLIES AND METHODS FOR DISSIPATING HEAT FROM HANDHELD ELECTRONIC DEVICES

Laird Technologies, Inc.,...

1. An assembly suitable for use in dissipating heat from a heat source of a circuit board within an electronic device that
includes an exterior casing and a battery area between the circuit board and the exterior casing, the assembly comprising
a thermally-conductive structure which comprises graphite and is disposed about or defining the battery area such that a thermally-conductive
heat path is provided from the heat source around the battery area to the exterior casing, the thermally-conductive heat path
including a portion around a battery positioned within the battery area provided by the thermally-conductive structure, such
that heat is transferrable through the thermally-conductive structure and along the thermally-conductive heat path from the
heat source around the battery area to the exterior casing, wherein the thermally-conductive structure comprises a lower portion
in direct contact with the heat source, an upper portion in direct contact with the exterior casing, and side portions that
extend upwards from the lower portion to the upper portion, whereby heat is transferrable from the heat source to the lower
portion, upwards through the side portions, to the upper portion, and to the exterior casing.

US Pat. No. 9,622,338

FREQUENCY SELECTIVE STRUCTURES FOR EMI MITIGATION

Laird Technologies, Inc.,...

18. A method comprising positioning a multilayered frequency selective structure including multiple layers of frequency selective
surfaces relative to one or more electronic components such that the multilayered frequency selective structure is operable
for shielding or mitigating electromagnetic interference (EMI) without completely blocking a ventilating airflow for helping
reduce heat buildup in the one or more electronic components.

US Pat. No. 9,376,606

POLYMER MATRICES FUNCTIONALIZED WITH LIQUID CRYSTALS FOR ENHANCED THERMAL CONDUCTIVITY

Laird Technologies, Inc.,...

1. A thermal interface material comprising a polymer matrix functionalized with liquid crystals grafted onto the polymer matrix,
and at least one thermally conductive filler in the polymer matrix, wherein the thermal interface material has a thermal conductivity
of at least 1 Watt per meter Kelvin.

US Pat. No. 9,472,846

MULTI-BAND PLANAR INVERTED-F (PIFA) ANTENNAS AND SYSTEMS WITH IMPROVED ISOLATION

Laird Technologies, Inc.,...

1. A planar inverted-F antenna (PIFA) operable within at least a first frequency range and a second frequency range different
than the first frequency range, the PIFA comprising:
an upper radiating patch element having a slot;
a first shorting element electrically connected to the upper radiating patch element;
a second shorting element electrically connected to the upper radiating patch element, the second shorting element having
a non-flat configuration between the upper radiating patch element and a lower surface such that a length of the second shorting
element between the upper radiating patch element and the lower surface is greater than a spaced distance separating the upper
radiating patch element and the lower surface; and

a feeding element electrically connected to the upper radiating patch element, the feeding element is defined as being an
entire side of the PIFA between the upper radiating patch element and the lower surface.

US Pat. No. 9,303,902

THERMOELECTRIC ASSEMBLY

Laird Technologies, Inc.,...

1. A thermoelectric assembly comprising:
a cold side and a hot side, where the boundary between the hot side and the cold side is generally defined by a plane;
a heat sink on each of the hot side and the cold side, each heat sink comprising a heat sink base and a fin set disposed on
the heat sink base, each fin set comprising a plurality of substantially parallel planar fins, the fins being aligned in a
single exhaust direction that is parallel to the plane, the heat sinks meeting at their respective bases at the plane; a plurality
of thermoelectric modules, the thermoelectric modules being arranged in at least one electrical circuit, with each thermoelectric
module residing in the plane and being in thermal contact with the heat sinks of both the hot side and the cold side; and
a fan and focusing structure on each of the hot side and cold side, each fan having an air intake direction, the focusing
structure located between the fan and the heat sink on the respective hot side and cold side for focusing air from the fan
into the fin set of the sink on corresponding hot and cold side;

wherein the air intake direction of the fan on the cold side and the air intake direction of the fan on the hot side are parallel
opposing vectors,

wherein the single hot side exhaust direction and the single cold side exhaust direction are opposing parallel vectors,
wherein the heat sinks on the hot and cold side and the plane are sloped diagonally within the housing such that the thermoelectric
assembly is mountable on a surface of an enclosure to be cooled to thereby separate an interior of the enclosure from an exterior
of the enclosure whereby the exterior is the hot side and the interior is the cold side.

US Pat. No. 9,307,631

CAVITY RESONANCE REDUCTION AND/OR SHIELDING STRUCTURES INCLUDING FREQUENCY SELECTIVE SURFACES

Laird Technologies, Inc.,...

1. A structure comprising a frequency selective surface including a plurality of electrically-conductive members and a plurality
of electromagnetic energy absorptive members each coupled to a corresponding one of the electrically-conductive members, whereby
the frequency selective surface is operable for attenuating electromagnetic signals within a cavity of a closed structure
when the frequency selective surface is positioned within the cavity to thereby reduce cavity resonance and/or electromagnetic
energy propagation within the cavity.

US Pat. No. 9,795,059

THERMAL INTERFACE MATERIALS WITH THIN FILM OR METALLIZATION

Laird Technologies, Inc.,...

1. A thermal interface material assembly for establishing a thermal-conducting heat path from a heat-generating electronic
component within an electronic device to a heat dissipating and/or heat spreading member, comprising:
a thermal interface material comprising silicone, the thermal interface material having a first side and a second side, and
which is conformable to a mating surface of the heat-generating electronic component; and

a thin dry material having a thickness less than 0.0001 inches, the dry material disposed along at least a portion of the
first side of the thermal interface material,

wherein the dry material is configured to be releasable from the mating surface of the heat-generating electronic component
when in contact therewith and inhibit adherence of the thermal interface material assembly to the mating surface of the heat-generating
electronic component, thereby allowing the thermal interface material assembly after being positioned with the dry material
against the mating surface of the heat-generating electronic component to release from the mating surface of the heat-generating
electronic component and with the dry material remaining disposed along the thermal interface material.

US Pat. No. 9,270,019

MULTIBAND MIMO VEHICULAR ANTENNA ASSEMBLIES WITH DSRC CAPABILITIES

Laird Technologies, Inc.,...

1. A multiband multiple input multiple output (MIMO) vehicular antenna assembly for installation to a vehicle body wall, the
antenna assembly comprising:
at least one cellular antenna configured to be operable over one or more cellular frequencies;
a dual monopole antenna configured to be operable over Dedicated Short Range Communication (DSRC) frequencies, the dual monopole
antenna including:

an isolator configured to provide isolation between the dual monopole antenna and the at least one cellular antenna; and
first and second DSRC antenna elements spaced apart from each other and disposed along opposite sides of the isolator.

US Pat. No. 9,635,789

BOARD LEVEL ELECTROMAGNETIC INTERFERENCE (EMI) SHIELDS WITH INCREASED UNDER-SHIELD SPACE

Laird Technologies, Inc.,...

1. A method comprising providing dielectric material within one or more recessed portions along an inner surface of an electromagnetic
interference (EMI) shield, the inner surface defined by a piece of material, wherein the method includes:
creating the one or more recessed portions in the piece of material before providing the dielectric material within the one
or more recessed portions along the inner surface of the shield;

stamping a flat pattern partial profile into the piece of material after creating the one or more recessed portions in the
piece of material, whereby the flat pattern partial profile includes a cover and one or more sidewalls of the shield; and

forming the stamped piece of material by bending, folding, or drawing portions of the stamped piece of material that define
the one or more sidewalls;

whereby the one or more recessed portions provide at least one of increased under-shield space and greater clearance for one
or more components under the shield, and whereby the dielectric material inhibits the one or more recessed portions of the
shield from directly contacting and electrically shorting one or more components when the one or more components are under
the shield.

US Pat. No. 9,460,574

BLUETOOTH ZONE CONTROL USING PROXIMITY DETECTION

Laird Technologies, Inc.,...

1. A Bluetooth zone control system comprising:
a first Bluetooth device configured to provide a first Bluetooth signal, a location of the first Bluetooth device corresponding
to a location of a machine; and

an operator control unit including a second Bluetooth device configured to detect the first Bluetooth signal, the operator
control unit configured to control the machine based on first authorization rights when the second Bluetooth device detects
the first Bluetooth signal at or above a signal threshold, and to control the machine based on second authorization rights
when the second Bluetooth device does not detect the first Bluetooth signal at or above the signal threshold.

US Pat. No. 9,595,755

GROUND INDEPENDENT MULTI-BAND ANTENNA ASSEMBLIES

Laird Technologies, Inc.,...

1. An antenna assembly operable within at least a first frequency range and a second frequency range different than the first
frequency range, the antenna assembly comprising:
an annular ground element;
a feed element including a feeding point and a shorting point electrically connected to the annular ground element, the feeding
point is adjacent an edge portion of the feed element, the shorting point is spaced apart from the feeding point and the edge
portion of the feed element, the feed element is coupled to the annular ground element such that the shorting point is closer
to a center of the annular ground element than is the feeding point and such that the feeding point is closer to an edge of
the annular ground element than is the shorting point;

a patch element electrically shorted to the annular ground element by the feed element; and
a high band element;
whereby the antenna assembly is ground independent when operating in the first and second frequency ranges.
US Pat. No. 9,515,004

THERMAL INTERFACE MATERIALS

LAIRD TECHNOLOGIES, INC.,...

1. A thermal interface material configured for use with an electronic device for transferring heat between heat generating
components and heat removing components of the electronic device, the thermal interface material comprising a first material
including polymer and a second material including a contact resistance reducing material to thereby reduce surface contact
resistance between the first material and heat generating and/or heating removing components of the electronic device, wherein
a distinct layer of the second material is applied to and disposed along a side surface of the first material, and wherein:
the second material has a phase change softening temperature less than 125 degrees Celsius; and
the second material conforms to a thermal transfer surface when the thermal interface material is installed and the second
material is between the first material and the thermal transfer surface, whereby the second material fills interstitial voids
of the thermal transfer surface and/or reduces air gaps between the first material and the thermal transfer surface.

US Pat. No. 9,748,654

ANTENNA SYSTEMS WITH PROXIMITY COUPLED ANNULAR RECTANGULAR PATCHES

Laird Technologies, Inc.,...

15. An antenna system comprising:
an active global positioning satellite antenna;
a passive antenna including a radiating patch element, an antenna ground plane spaced apart from the radiating patch element,
a feeding element electrically coupling to the radiating patch element, and at least two shorting elements electrically coupling
the radiating patch element to the antenna ground plane; and

an isolator next to the radiating patch element;
wherein the radiating patch element includes an outer perimeter that is substantially rectangular and an open interior portion
that is substantially rectangular;

wherein the feeding element includes a vertical transmission line and a horizontal feed patch, and the feeding element electrically
couples the radiating patch element to a feed point;

wherein the horizontal feed patch of the feeding element includes at least two L-shaped slots or at least two tapered L-shaped
slots configured to extend an electrical length of a high frequency band of the antenna.

US Pat. No. 9,608,318

ANTENNA ASSEMBLIES AND METHODS OF MANUFACTURING THE SAME

Laird Technologies, Inc.,...

1. A method comprising:
forming a sleeve over or between a first portion of a first component and a second portion of a second component, such that
the sleeve is coupled to the first and second portions of the respective first and second components; and

removably attaching an antenna connector subassembly of a multiband antenna assembly to the first component such that a printed
circuit board assembly of the antenna connector subassembly is covered by the sleeve;

wherein the multiband antenna assembly comprises one or more radiating elements including at least one helical radiator having
a longitudinal axis, and at least one linear radiator aligned with or disposed at least partially along the longitudinal axis
of the at least one helical radiator, whereby the antenna assembly is resonant in multiple frequency bands; and

wherein:
the at least one linear radiator comprises first and second linear radiators;
the at least one helical radiator comprises first and second helical radiators;
a first dielectric spacer mechanically couples a first end portion of the first linear radiator to the second component;
a second dielectric spacer mechanically couples a second end portion of the first linear radiator to a first end portion of
the second linear radiator;

a first coil form is disposed over the first and second linear radiators and supports at least a portion of the first helical
radiator; and

a second coil form is disposed over the first coil form and supports at least a portion of the second helical radiator;
the first and second linear radiators are not galvanically coupled to each other; and
the first and second linear radiators extend through one or more coils of the first or second helical radiator without galvanically
coupling to the first and second helical radiators.

US Pat. No. 9,674,993

FLAME RETARDANT, ELECTRICALLY CONDUCTIVE ADHESIVE MATERIALS AND RELATED METHODS

Laird Technologies, Inc.,...

1. A flame retardant, electrically conductive adhesive material suitable for use as tape and comprising:
a layer of electrically conductive adhesive that is free of flame retardant;
a layer of electrically conductive fabric on the layer of electrically conductive adhesive; and
a flame retardant coating on the layer of electrically conductive fabric, the coating including a carbon-containing resin;
wherein the flame retardant, electrically conductive adhesive material is able to achieve a UL flame rating; and
wherein:
the flame retardant coating including the carbon-containing resin is the sole flame retardant included in the flame retardant,
electrically conductive adhesive material; and/or

the flame retardant, electrically conductive adhesive material has a z-axis resistance of 0.007 ohms or less, and/or a surface
resistivity of 0.07 ohms per square or less, and/or a peel adhesion of at least 1.6 pounds per inch width or higher.

US Pat. No. 9,781,750

AUTOMATIC WIRELESS MODE SWITCHING

Laird Technologies, Inc.,...

5. The wireless communication device of claim 1, wherein the controller is configured to switch the mode of operation between at least three modes of operation.

US Pat. No. 9,673,536

OMNIDIRECTIONAL ANTENNAS, ANTENNA SYSTEMS AND METHODS OF MAKING OMNIDIRECTIONAL ANTENNAS

Laird Technologies, Inc.,...

1. An antenna comprising:
at least two feeds that are triangular, step-shaped, and/or tapering;
at least one open side defined between the at least two feeds;
a feed point between and/or connected to the at least two feeds; and
shorting legs for mechanical support and electrically coupling to a ground plane;
wherein the at least two feeds comprise a first triangular tapering feed and a second triangular tapering feed generally opposing
the first triangular tapering feed;

wherein:
the first triangular tapering feed comprises first and second slanted edge portions such that a width of the first triangular
tapering feed tapers in a direction towards the feed point whereby the width of the first triangular tapering feed is narrowest
at or adjacent the feed point; and

the second triangular tapering feed comprises third and fourth slanted edge portions such that a width of the second triangular
tapering feed tapers in a direction towards the feed point whereby the width of the second triangular tapering feed is narrowest
at or adjacent the feed point.

US Pat. No. 9,771,508

THERMAL INTERFACE MATERIALS INCLUDING THERMALLY REVERSIBLE GELS

Laird Technologies, Inc.,...

1. A thermal interface material comprising at least one thermally conductive filler in a thermally reversible gel including
di-block and tri-block styrenic copolymers and process oil, wherein a ratio of the process oil to the di-block and tri-block
styrenic copolymers is at least about 4 to 1 but not more than about 12 to 1, wherein the thermal interface material comprises
a compliant thermally-conductive gap filler operable for allowing heat to pass from an operating electrical component through
the compliant thermally-conductive gap filler.

US Pat. No. 9,724,059

SYSTEMS AND METHODS FOR COOLING X-RAY TUBES AND DETECTORS

Laird Technologies, Inc.,...

1. A method comprising:
cooling a coolant outside an operating environment of an X-ray tube and an X-ray image detector using an active or passive
chiller;

circulating the coolant from the active or passive chiller towards the X-ray tube;
diverting a portion of the coolant to a direct to liquid (DL)thermoelectric assembly (TEA) situated on an X-ray image detector
plate such that the diverted portion of the coolant passes through the DL TEA, whereby the DL TEA is used for actively cooling
and controlling temperature of the X-ray image detector plate;

allowing at least a portion of the remaining undiverted coolant to flow to the X-ray tube for cooling of the X-ray tube; and
returning the coolant from the X-ray tube and the DL TEA back to the active or passive chiller.

US Pat. No. 9,781,819

MULTIFUNCTIONAL COMPONENTS FOR ELECTRONIC DEVICES AND RELATED METHODS OF PROVIDING THERMAL MANAGEMENT AND BOARD LEVEL SHIELDING

Laird Technologies, Inc.,...

1. A multifunctional component for an electronic device, the multifunctional component comprising:
a base component;
a heat spreader disposed on the base component; and
a thermal interface material and one or more walls of electromagnetic interference shielding material disposed on one or more
areas of the heat spreader;

the one or more areas corresponding in mirror image relation to one or more components of a circuit board for which the multifunctional
component is configured to be joined;
wherein:
the heat spreader comprises graphite laminated to the base component; and
the one or more walls comprise flexible fabric shielding material.

US Pat. No. 9,793,602

MULTIBAND MIMO VEHICULAR ANTENNA ASSEMBLIES

Laird Technologies, Inc.,...

1. A multiband multiple input multiple output (MIMO) vehicular antenna assembly for installation to a vehicle body wall, the
antenna assembly comprising:
a chassis;
an outer radome coupled to the chassis such that an interior enclosure is collectively defined by the outer radome and the
chassis;

an inner radome within the interior enclosure and having inner and outer surfaces spaced apart from the chassis and the outer
radome;

at least one antenna element within the interior enclosure between the inner surface of the inner radome and the chassis;
and

at least one antenna element along a portion of the inner radome so as to generally follow a curved or non-flat contour of
the portion of the inner radome;

wherein the at least one antenna element along the portion of the inner radome comprises:
a first MIMO antenna element located along a back outer surface portion of the inner radome such that the first MIMO antenna
element generally follows a contour of the back outer surface portion of the inner radome; and

a second MIMO antenna element located along a front outer surface portion of the inner radome such that the second MIMO antenna
element generally follows a contour of the front outer surface portion of the inner radome.

US Pat. No. 9,716,318

PATCH ANTENNA ASSEMBLIES

Laird Technologies, Inc.,...

1. A printed circuit board assembly consisting essentially of:
a patch antenna element integrally defined by the printed circuit board assembly along an upper surface of the printed circuit
board assembly, wherein the patch antenna element is generally rectangular including a pair of truncated opposite corners;

one or more components along a lower surface of the printed circuit board assembly; wherein the printed circuit board assembly
comprises a multilayer printed circuit board assembly including:

a top layer of electrically-conductive material etched to integrally define the patch antenna element;
a bottom component layer including the one or more components;
a first core layer defining the upper surface along which the patch antenna element is disposed;
a second core layer defining the lower surface along which the one or more components are disposed;
prepreg between the first and second core layers;
a ground plane integrally defined by an inner electrically-conductive layer of the printed circuit board assembly, wherein
the ground plane is between the first core layer defining the upper surface along which the patch antenna element is disposed
and the second core layer defining the lower surface along which the one or more components are disposed.

US Pat. No. 9,774,084

OMNIDIRECTIONAL BROADBAND ANTENNAS

Laird Technologies, Inc.,...

20. An omnidirectional broadband antenna comprising:
a ground element;
an antenna element electrically isolated from the ground element, the antenna element having at least one portion that is
substantially conical, that has a substantially hexagonal pyramidal shape, or that tapers in a longitudinal direction; and

an annular patch element electrically grounded to the ground element, the annular patch element surrounding at least a portion
of the antenna element and parasitically coupled to the antenna element,
wherein:
the antenna is configured for mounting to a ceiling inside of a building; and
the antenna is vertically polarized and operable at a range of operating frequencies between about 380 MHz and about 6000
MHz with a voltage standing wave ratio (VSWR) less than three to one (3:1), whereby the annular patch antenna element is configured
to be operable as a ?/4 wave trap for an operating frequency band of 400 MHz to thereby broaden bandwidth.

US Pat. No. 9,857,108

THERMOELECTRIC ASSEMBLY

Laird Technologies, Inc.,...

1. A thermoelectric assembly comprising:
a cold side and a hot side;
the assembly further comprising a fan sink on the hot side, and a pair of fan sinks on the cold side;
wherein each fan sink comprises a heat sink and a fan, each fan comprising a blade, and each heat sink comprising a heat sink
base and a fin set disposed on the heat sink base, each fin set comprising a plurality of fins aligned in an exhaust direction,
wherein each fan sink is associated with an air intake direction defined by an axis about which the blade is rotatably attached
to the fan;

the assembly further comprising a plurality of thermoelectric modules, the thermoelectric modules being arranged in at least
one electrical circuit and in thermal contact with the heat sink bases of the fan sinks; and

wherein the angle defined by the exhaust directions of the pair of fan sinks on the cold side is selected from the group consisting
of zero degrees, ninety degrees, and one hundred eighty degrees.

US Pat. No. 9,832,915

PRESSURE LOCKING BOARD LEVEL SHIELD ASSEMBLIES

Laird Technologies, Inc.,...

1. A board level shield (BLS) assembly for electromagnetic interference mitigation comprising a fence and a lid, wherein:
the lid comprises a planar surface of material having sidewalls descending from the planar surface to form an interior region,
and the lid is complementary in shape to the fence such that the lid is attachable to the fence such that the sidewalls of
the lid at least partially cover a perimeter of the fence;

the lid further comprises at least one interior tab positioned towards the interior region of the lid away from the sidewalls
of the lid by a distance substantially equal to a thickness of the fence;

the lid and fence together include a latching mechanism for attachment of the lid to the fence; and
the fence further includes at least one inward protrusion positioned such that, when the lid is attached to the fence via
the latching mechanism, the at least one inward protrusion of the fence pushes the at least one interior tab of the lid at
least slightly towards the interior region of the lid;
wherein:
the lid comprises a frame and a cover;
the frame comprises a perimeter rim extending inwardly from a top of the frame;
the perimeter rim includes inner edges that define an open top of the frame; and
the cover comprises a substantially horizontal portion of material affixed to the perimeter rim to cover the open top of the
frame.

US Pat. No. 9,999,122

CIRCUIT ASSEMBLIES AND RELATED METHODS

Laird Technologies, Inc.,...

1. An assembly suitable for use in an electronic device, the assembly comprising:a board level shield (BLS) having an outer surface;
dielectric material along at least a portion of the outer surface of the BLS; and
electrically conductive material along at least a portion of the dielectric material such that the dielectric material is between the electrically conductive material and the outer surface of the BLS, whereby the electrically conductive material is configured to define at least a portion of a circuit assembly for routing signals and/or for electrically connecting with one or more components of the electronic device, and whereby the BLS is multifunctional having a first functionality of providing EMI shielding and grounding and a second functionality of supporting the circuit assembly.
US Pat. No. 9,828,539

THERMAL INTERFACE MATERIALS WITH LOW SECANT MODULUS OF ELASTICITY AND HIGH THERMAL CONDUCTIVITY

Laird Technologies, Inc.,...

1. A thermal interface material comprising a matrix or base resin loaded with thermally-conductive filler, wherein the thermal
interface material has a thermal conductivity of at least 6 Watts per meter per Kelvin and a secant modulus of elasticity
of no more than 620 kilopascals (kPa) at 50% strain for 1.5 millimeter (mm) initial thickness material, and wherein:
the thermally-conductive filler comprises alumina and aluminum, and the matrix or base resin is loaded with the alumina and
aluminum such that the thermal interface material includes at least 90 weight % of the alumina and aluminum; and

the matrix or base resin comprises: a polydimethylsiloxane (PDMS); or silicone polymer with platinum catalyst and silicone
polymer with SiH crosslinking oligomer; or a process oil.

US Pat. No. 9,880,186

TELEMATICS DEVICES AND METHODS FOR VEHICLE SPEEDING DETECTION

Laird Technologies, Inc.,...

1. A telematics device for a vehicle, the device comprising:
a controller; and
a wireless communication module coupled to the controller, the wireless communication module configured to transmit data from
the controller to a remote station;

wherein the controller is configured to:
periodically obtain a speed of the vehicle according to a monitoring interval;
determine a first monitoring interval in which the speed of the vehicle has exceeded a first speed threshold and store the
speed during the first monitoring interval as a max speed value;

compare each successive monitoring interval speed to a previous monitoring interval speed;
when the successive monitoring interval speed is greater than the max speed value, update the max speed value with the successive
monitoring interval speed;

when each successive monitoring interval speed is above the first speed threshold for a speed duration, determine that a first
speeding event has occurred with a first speed value equal to the max speed value; when any successive monitoring interval
speed exceeds a second speed threshold, determine that a second speeding event has occurred with a second speed value equal
to the second speed threshold;

count a number of times that a distance threshold has been exceeded by a distance traveled by the vehicle while the speed
of the vehicle exceeds the first speed threshold;

when the count exceeds a limit threshold within a specified time period, determine that an aggressive driving event has occurred.

US Pat. No. 10,058,015

SOLDERABLE TWO PIECE BOARD LEVEL SHIELDS

LAIRD TECHNOLOGIES, INC.,...

1. A shield suitable for use in providing electromagnetic interference (EMI) shielding for at least one component on a substrate, the shield comprising:a fence configured for installation to the substrate about the at least one component on the substrate, the fence including at least one opening having an upper portion, a lower portion, and one or more tabs inwardly extending from one or more sides of the at least opening between the upper and lower portions of the at least one opening;
a lid including at least one detent positionable within the at least one opening of the fence such that the lid is attachable to the fence in multiple positions including:
a first position in which the at least one detent is engaged within the upper portion of the at least one opening above the one or more tabs and the one or more tabs are disposed under and in contact with the at least one detent such that the lid is held in a raised position relative to the fence and a spaced distance separates an underside of the lid from an upper surface of the fence; and
a second position in which the at least one detent is within the lower portion of the at least one opening below the one or more tabs and the one or more tabs are disposed above and in contact with the at least one detent such that the lid is held in a lowered position relative to the fence and the spaced distance is substantially eliminated between the underside of the lid and the upper surface of the fence.

US Pat. No. 10,021,817

ELECTROMAGNETIC INTERFERENCE SHIELDING (EMI) APPARATUS INCLUDING A FRAME WITH DRAWN LATCHING FEATURES

Laird Technologies, Inc.,...

1. A frame of an electromagnetic interference shielding apparatus, the frame comprising a top surface and sidewalls, the frame being partly drawn in construction such that the top surface includes spaced-apart drawn portions protruding outwardly from the sidewalls for engagement within openings of a cover of the electromagnetic interference shielding apparatus for removably attaching the cover to the frame, wherein:the frame includes openings along the sidewalls where material was drawn to form the spaced-apart drawn portions; and
the openings of the frame extend downwardly along the sidewalls from the spaced-apart drawn portions to a bottom of the frame and through bottommost edge portions of the sidewalls such that each of the openings along the sidewalls of the frame has an open shape that includes a top closed end defined by the corresponding one of the spaced-apart drawn portions and a bottom open end along the bottom of the frame; andwherein:the spaced-apart drawn portions are formed solely by drawing only predetermined portions of the piece of material upwardly at the locations corresponding to the locations of the openings in the cover without having to cut or otherwise remove material from the frame; and/or
the top surface of the frame includes surface portions that extend as one continuous piece along each of the sidewalls around an entire perimeter lip of the frame; and/or
the spaced-apart drawn portions are formed simultaneously in a single drawing process; and/or
the spaced-apart drawn portions include a top surface that is coincident, aligned, and/or co-planar with the top surface of the frame or that does not extend above the top surface of the frame such that the one or more drawn latching features do not increase an overall height of the frame; and/or
the bottommost edge portions of the sidewalls are spaced apart by the openings along the sidewalls and provide areas for soldering the frame to a printed circuit board, the open shape of each of the openings along the sidewalls defined between a corresponding adjacent pair of the bottommost edge portions such that the open shape includes the top closed end defined by the corresponding one of the spaced-apart drawn portions and the bottom open end along the bottom of the frame, and the spaced-apart drawn portions are spaced apart from and not aligned with or over the bottommost edge portions of the sidewalls of the frame, whereby the cover is attachable to the frame in areas without solder.

US Pat. No. 10,008,767

VEHICLE-MOUNT ANTENNA ASSEMBLIES HAVING OUTER COVERS WITH BACK TENSION LATCHING MECHANISMS FOR ACHIEVING ZERO-GAP

Laird Technologies, Inc.,...

1. An antenna assembly for installation to a vehicle body wall, the antenna assembly comprising:an antenna base module mountable to the vehicle body wall and including one or more latching members;
an outer cover having one or more snap clip members engageable with the one or more latching members when the outer cover is positioned generally over the antenna base module to connect the outer cover to the antenna base module, each of the snap clip members including a curved portion and a flex point; and
the snap clip members and the latching members are configured such that the snap clip members flex at their respective flex points and exert back tension on the latching members when the snap clip members engage the latching members, whereby the curved portions and the flex points of the snap clip members cause the snap clip members to rotate or travel in an arc when the snap clip members flex at their respective flex points to thereby provide the back tension on the latching members.

US Pat. No. 9,968,004

THERMAL INTERFACE MATERIALS INCLUDING ELECTRICALLY-CONDUCTIVE MATERIAL

Laird Technologies, Inc.,...

1. A thermal interface material comprising:a top surface;
a bottom surface;
one or more outer side surfaces extending between the top and bottom surfaces; and
electrically-conductive material along the one or more outer side surfaces;
whereby the thermal interface material, via the electrically-conductive material, is configured to be operable as a waveguide through which energy below a cutoff frequency cannot flow; and
whereby the electrically-conductive material will be parallel with a direction of heat flow from a heat source to a heat removal/dissipation structure when the bottom surface is positioned against or adjacent the heat source and the top surface is positioned adjacent or against the heat removal/dissipation structure.

US Pat. No. 10,151,582

SYSTEMS AND METHODS FOR MONITORING LOCOMOTIVE WHEEL SIZE

Laird Technologies, Inc.,...

1. A system for monitoring locomotive wheel size, the system comprising at least one distance measurement device coupled to a locomotive and configured to measure a distance to a rail when a locomotive wheel is positioned on the rail, the system configured to:use the distance to the rail as measured by the at least one distance measurement device to determine a decrease in the distance to the rail that corresponds to a decrease in a diameter of the locomotive wheel; and
use the decrease in the distance to the rail to determine an updated diameter of the locomotive wheel.

US Pat. No. 9,999,121

BOARD LEVEL SHIELDS WITH VIRTUAL GROUNDING CAPABILITY

Laird Technologies, Inc.,...

1. A board level shield (BLS) comprising a plurality of resonators spaced apart from each other and disposed generally around an outer perimeter of the BLS and configured to be operable for virtually connecting the board level shield to a ground plane or a shielding surface.

US Pat. No. 9,934,622

TELEMATICS DEVICES AND METHODS FOR VEHICLE IGNITION DETECTION

Laird Technologies, Inc.,...

1. A telematics device, comprising:a controller;
a wireless communication module coupled to the controller, the wireless communication module configured to transmit ignition information from the controller to a remote station;
a power input terminal configured to couple to a battery of a vehicle to sense a voltage of the battery; and
an ignition input terminal configured to couple to an ignition line of the vehicle;
wherein the controller is configured to:
determine whether the ignition input terminal is coupled to an ignition line of the vehicle, by sensing a voltage of the ignition input terminal and determining whether the sensed ignition input voltage is above an ignition connection threshold, and when the sense ignition input voltage is above the ignition connection threshold, determining that the ignition input terminal is coupled to the ignition line of the vehicle;
when the ignition input terminal is coupled to an ignition line of the vehicle, determine vehicle ignition turn on and ignition turn off events by detecting voltage changes on the ignition line; and
when the ignition input terminal is not coupled to an ignition line of the vehicle, sense the voltage of the battery of the vehicle to determine vehicle ignition turn on and turn off events based on sensed voltage changes of the battery.

US Pat. No. 10,154,580

BOARD LEVEL SHIELDS WITH ADJUSTABLE COVERS

LAIRD TECHNOLOGIES, INC.,...

1. A board level shield suitable for use in providing electromagnetic interference (EMI) shielding for one or more components on a substrate, the board level shield comprising:a fence including a plurality of upwardly extending tabs, a plurality of outwardly extending tabs, and a top surface; and
a cover including a top portion having an inner surface, and a plurality of tabs extending downwardly from the top portion of the cover;
wherein the cover is attachable to the fence in more than two different latched positions in which the cover is retained to the fence, and the inner surface of the top portion of the cover is spaced apart from the top surface of the fence by a different distance for each of the more than two different latched positions; and
wherein each of said tabs of the cover is positioned and retained between a corresponding pair of the upwardly extending tabs and outwardly extending tabs of the fence when the cover is attached to the fence in one of the more than two different latched positions.

US Pat. No. 10,108,164

METHOD, SYSTEM AND RELATED DEVICES FOR OPERATING MULTIPLE CRANES IN UNISON

LAIRD TECHNOLOGIES, INC.,...

1. A crane control system for controlling a plurality of cranes each crane having at least two motion axes, the crane control system comprising:a master controller unit;
a computer readable storage for storing a plurality of tokens, each token from the plurality of tokens a respective crane from the plurality of cranes; and
a processing unit responsive to inputs by an operator of the master controller unit to send commands to individual cranes from the plurality of cranes, the processing unit being configured to associate the commands with respective tokens to control the cranes associated with the tokens;
wherein the master controller unit is configured to:
operate a first motion axis of a first crane in unison with a first motion axis of a second crane; and
at the same time operate a second motion axis of the first crane independently from a second motion axis of the second crane.

US Pat. No. 10,116,063

INTERNALLY FED DIRECTIONAL FOLDED YAGI ANTENNA ASSEMBLIES

LAIRD TECHNOLOGIES, INC.,...

1. An antenna assembly comprising:a boom;
a plurality of dipole elements spaced apart along the boom, the plurality of dipole elements including a folded dipole element; and
a feed cable assembly internally fed inside the boom and a first section of the folded dipole element;
wherein the feed cable assembly comprises:
a first cable extending through an end of the boom and into a hollow interior of the boom, the first cable electrically grounded to an inside wall of the boom; and
a second cable electrically connected with the first cable, the second cable extending from the hollow interior of the boom through a hollow interior of the first section of the folded dipole element.

US Pat. No. 10,074,909

OMNIDIRECTIONAL SINGLE-INPUT SINGLE-OUTPUT MULTIBAND/BROADBAND ANTENNAS

Laird Technologies, Inc.,...

1. An omnidirectional broadband antenna comprising:a radiator element having a single piece construction including a cone shape defined by multiple petals separated from each other by a gap or spaced distance therebetween and integrally joined to each other at about a center of the radiator element, each of the multiple petals having a stepped configuration;
a ground element; and
multiple shorting legs extended from the ground element for electrically coupling to and mechanically supporting the multiple petals.

US Pat. No. 9,936,618

BOARD LEVEL SHIELDS INCLUDING FOIL AND/OR FILM COVERS

Laird Technologies, Inc.,...

1. A board level shield (BLS) suitable for use in providing electromagnetic interference (EMI) shielding for at least one component on a substrate, the BLS comprising:one or more sidewalls defining an opening and configured for installation to the substrate generally about the at least one component on the substrate;
a cover configured to be removably attachable to the one or more sidewalls such that the cover is removable from and reattachable to the one or more sidewalls, the cover configured to cover the opening defined by the one or more sidewalls when the cover is removably attached to the one or more sidewalls, the cover including an electrically-conductive foil or film;
whereby when the one or more sidewalls are installed to the substrate generally about the at least one component and the cover is covering the opening defined by the one or more sidewalls, the lid and the one or more sidewalls are operable for providing EMI shielding for the at least one component within an interior cooperatively defined by the one or more sidewalls and the cover.

US Pat. No. 10,212,806

ABSORBER ASSEMBLIES HAVING A DIELECTRIC SPACER, AND CORRESPONDING METHODS OF ASSEMBLY

Laird Technologies, Inc.,...

1. An absorber assembly comprising:a printed circuit board;
a differential line disposed on the printed circuit board, the differential line including a first trace and a second trace opposite the first trace;
a dielectric spacer coupled to the printed circuit board and covering at least a portion of the differential line; and
an absorber coupled to the dielectric spacer to inhibit electromagnetic interference radiation from the differential line;
wherein the dielectric spacer has a thickness sufficient to inhibit the absorber from reducing signal integrity of a signal when transmitted along the differential line below a specified threshold; and
wherein the thickness of the dielectric spacer corresponds to a data rate at which the signal will be transmitted along the differential line.

US Pat. No. 9,917,354

MULTIBAND VEHICULAR ANTENNA ASSEMBLY

Laird Technologies (Shang...

1. A multiband vehicular antenna assembly comprising:
a first patch antenna configured to be operable with at least three different satellite navigation system frequencies; and
a coupler configured to be operable for coupling signals from the first patch antenna;
wherein the coupler comprises a plurality of capacitors, a plurality of inductors, and a resistor electrically connected between
feed ports of the first patch antenna, an output, and ground.

US Pat. No. 9,979,086

MULTIBAND ANTENNA ASSEMBLIES

Laird Technologies, Inc.,...

1. A multiband antenna assembly comprising a printed circuit board having a plurality of elements thereon, the plurality of elements including:a radiating element;
a feed element configured to be operable as a feeding point for the multiband antenna assembly;
a shorting element configured to be operable for electrically shorting the radiating element to ground; and
a matching element;
whereby the antenna assembly is operable within at least a first frequency range and a second frequency range different than the first frequency range without requiring any matching lump components coupled to the printed circuit board;
wherein:
the multiband antenna assembly is configured to be mountable to a surface of a vehicle, machine, or building such that the radiating element on the printed circuit board is vertical and/or perpendicular relative to a ground plane defined by the surface; and
the multiband antenna assembly is coupled to a NMO connector structure; and
the multiband antenna assembly is configured to be omnidirectional at horizon parallel to the ground plane; and
the multiband antenna assembly is configured to be omnidirectional in the azimuth plane, phi zero degree plane, and phi ninety degree plane and have a voltage standing wave ratio (VSWR) less than two within at least the first frequency range and the second frequency range; and
the printed circuit board includes opposite first and second sides, the first and second sides including stepped trace portions of a ground of the printed circuit board; and
the printed circuit board includes one or more plated thru holes for electrically connecting the stepped trace portions on the opposite first and second sides, respectively of the printed circuit board.

US Pat. No. 9,972,886

ANTENNA ASSEMBLIES

Laird Technologies, Inc.,...

1. An antenna assembly comprising:a first radiating board including one or more dipole radiating elements;
a second radiating board including one or more dipole radiating elements;
a network board between the first and second radiating boards such that the first and second radiating boards are respectively spaced apart from upper and lower surfaces of the network board and/or are parallel to the network board, the network board including a feed network and a ground plane; and
one or more interconnect boards operable for providing an electrical connection between the feed network and the dipole radiating elements of the first and second radiating boards;
whereby the dipole radiating elements are operable simultaneously and co-locate radio frequency currents for a first frequency band and a second frequency band.

US Pat. No. 10,104,496

TELEMATICS DEVICES AND SYSTEMS

LAIRD TECHNOLOGIES, INC.,...

1. An asset management system comprising:at least one hub device, the hub device including a wireless network interface and a short-range wireless communication interface; and
one or more peripheral devices, each peripheral device including a short-range wireless communication device in wireless communication with the hub device and/or at least one other of the peripheral devices;
wherein each of the one or more peripheral devices includes a peripheral device identifier and is configured to periodically broadcast peripheral device information including the peripheral device identifier to be received by the hub device;
wherein the hub device is configured to analyze received peripheral device information and transmit a report based on the analyzed peripheral device information to a remote station;
wherein each peripheral device is remotely configurable to specify the peripheral device identifier of the peripheral device and a time interval between periodic broadcasts of peripheral device information by the peripheral device;
wherein:
the one or more peripheral devices include multiple peripheral devices connected in a mesh-network topology; and
each of the multiple peripheral devices is configured to relay received peripheral device information from other peripheral devices to the hub device and/or to at least one other peripheral device, such that all peripheral device information is eventually received at the hub device.
US Pat. No. 10,087,351

MATERIALS INCLUDING THERMALLY REVERSIBLE GELS

LAIRD TECHNOLOGIES, INC.,...

1. A material comprising at least one filler in a thermally reversible gel including di-block and tri-block styrenic copolymers and process oil, wherein a ratio of the process oil to the di-block and tri-block styrenic copolymers is at least about 4 to 1 but not more than about 12 to 1, wherein the material comprises a pad formulated to be compliant against a surface of an electrical component at room temperature and during operation of the electrical component, and wherein the material includes the at least one filler and/or one or more additives in a total amount less than or equal to about 99 percent of the material by weight.

US Pat. No. 10,023,210

DEVICES, SYSTEMS, AND METHODS RELATED TO TRACKING LOCATION OF OPERATOR CONTROL UNITS FOR LOCOMOTIVES

Laird Technologies, Inc.,...

1. An operator control unit comprising:a user interface configured to receive one or more commands from an operator for controlling a locomotive;
a receiver configured to receive location information of the operator control unit; and
a wireless communication device, the wireless communication device configured to transmit, via a same radio frequency (RF) channel, command data corresponding to the one or more commands and location data corresponding to the location information of the operator control unit to a machine control unit positioned on the locomotive to allow the machine control unit positioned on the locomotive to determine a location of the operator control unit and to use the received location information of the operator control unit to perform at least one of: determining a location of an operator when the operator control unit enters a tilt timeout state, troubleshooting RF communication with the operator control unit, assisting with movement of the locomotive or training of the operator, and recording a location of the operator control unit for an incident investigation;
wherein the wireless communication device is configured to continue transmitting the command data to the machine control unit until an acknowledgement is received from the machine control unit indicating the last command data message was received, and to transition to transmitting the location data to the machine control unit only after the acknowledgement is received from the machine control unit indicating the last command data message was received.

US Pat. No. 10,096,893

PATCH ANTENNAS

LAIRD TECHNOLOGIES, INC.,...

1. A multiband multiple input multiple output (MIMO) vehicular antenna assembly comprising a patch antenna including:a dielectric substrate having a bottom, a top, and sides extending generally between the top and bottom of the dielectric substrate;
a ground along the bottom of the dielectric substrate; and
an antenna structure along the top of the dielectric substrate and extending at least partially along at least one of the sides of the dielectric substrate;
wherein:
the patch antenna is a first patch antenna configured to be operable for receiving satellite signals;
the vehicular antenna assembly further comprises a second patch antenna configured to be operable for receiving satellite signals different than the satellite signals received by the first patch antenna; and
the first patch antenna is stacked on top of the second patch antenna.

US Pat. No. 10,212,863

SLOTTED FABRIC OVER FOAM ELECTROMAGNETIC INTERFERENCE GASKETS

Laird Technologies Inc., ...

1. A gasket of indefinite length for the mitigation of electromagnetic interference (EMI), the gasket comprising a series of sections of resiliently compressible core material wrapped in an electrically-conductive outer layer, each section having a base, the sections joined at their bases by strips of the electrically-conductive outer layer, wherein:the electrically-conductive outer layer is electrically-conductive metallized fabric, and the resiliently compressible core material is a foam core;
the electrically-conductive metallized fabric is adhered to the foam core by way of an adhesive;
the gasket further comprises a bottom;
the electrically-conductive metallized fabric is wrapped around the foam core such that the electrically-conductive metallized fabric comprises two bottom portions on the bottom of the gasket, where the bottom portions do not meet and thus result in a gap therebetween; and
the gasket further comprises a strip of pressure sensitive adhesive adhered to the bottom of the gasket along its length, the strip of pressure sensitive adhesive covering the gap between the bottom portions of the electrically-conductive metallized fabric.

US Pat. No. 10,092,259

SYSTEMS AND METHODS FOR COOLING X-RAY TUBES AND DETECTORS

Laird Technologies, Inc.,...

1. A method comprising:cooling a coolant outside an operating environment of an object to be cooled using an active or passive chiller;
circulating the coolant from the active or passive chiller towards the object;
diverting a portion of the coolant to a direct to liquid (DL) thermoelectric assembly (TEA) situated on the object such that the diverted portion of the coolant passes through the DL TEA for actively cooling the object and for controlling temperature of the object;
allowing at least a portion of the remaining undiverted coolant to flow to another object for cooling of the another object; and
returning the coolant from the another object and the DL TEA back to the active or passive chiller;
wherein the method includes cooling the coolant using a passive chiller, and using uninsulated hoses to circulate the coolant from the passive chiller to the another object and the DL TEA and back to the passive chiller.

US Pat. No. 10,172,265

BOARD LEVEL SHIELD INCLUDING AN INTEGRATED HEAT SINK

LAIRD TECHNOLOGIES, INC.,...

1. A shielding assembly comprising:a heat sink including a top, a bottom, and sides;
a board level shield including a fence and a lid, the fence including a perimeter of material around the sides of the heat sink, and the lid including a piece of material having a shape complementary to the perimeter of the fence, the lid being attachable to the fence to substantially enclose the top of the heat sink;
wherein:
the lid includes at least one perforation;
the heat sink includes a thermally conductive material having at least one pin on the top of the heat sink, where the at least one pin is a protrusion of the thermally conductive material from the heat sink; and
the at least one pin and the at least one perforation are complementary in shape such that when the lid is attached to the fence, the at least one pin at least partially protrudes through the at least one perforation;
wherein:
the lid comprises a top and a lid sidewall depending from and/or generally perpendicular to the top of the lid;
the lid sidewall substantially surrounds the fence when the lid is attached to the fence;
the fence comprises a fence sidewall and a rail;
the fence sidewall is generally perpendicular to the top of the heat sink;
the rail is generally parallel to the top of the heat sink; and
the rail meets the fence sidewall at a bend and proceeds from the fence sidewall towards the heat sink;
the lid sidewall further comprises a plurality of tabs that bend inward towards a concave portion of the lid and generally perpendicular to the lid sidewall; and
when the lid is attached to the fence, the plurality of tabs rests on the rail.

US Pat. No. 10,306,817

THERMAL MANAGEMENT AND/OR EMI MITIGATION MATERIALS WITH CUSTOM COLORED EXTERIOR SURFACES

Laird Technologies, Inc.,...

1. A thermal management material comprising one or more exterior surfaces of the thermal management material, wherein one or more portions of the one or more exterior surfaces modified to include one or more colors different than a pre-existing color of the thermal management material, and wherein:the one or more portions of the one or more exterior surfaces include one or more colorants to cause the one or more portions of the one or more exterior surfaces to include the one or more colors different than the pre-existing color of the thermal management material;
wherein the thermal management material comprises a thermal interface material; and
wherein the one or more colorants comprise a silicone based ink;
wherein the silicone based ink is applied to each of the one or more portions of the one or more exterior surfaces;
wherein the silicone based ink includes a layer of color;
wherein the layer of color is:
stretchable and moveable along with the corresponding one or more portions of the one or more exterior surfaces; and
dielectric; and
naturally non-tacky such that the one or more portions of the one or more exterior surfaces are releasable easily and cleanly from another surface;
wherein the layer of color has a thickness less than 1 mil along each of the one or more portions of the one or more exterior surfaces;
wherein the thermal management material has a thermal conductivity of at least about 2 Watts per meter per Kelvin; and
the thermal management material has a thermal resistance; and whereby the one or more colorants increase the thermal resistance of the thermal management material by less than 10%.

US Pat. No. 10,334,716

MULTIFUNCTIONAL COMPONENTS FOR ELECTRONIC DEVICES AND RELATED METHODS OF PROVIDING THERMAL MANAGEMENT AND BOARD LEVEL SHIELDING

Laird Technologies, Inc.,...

1. A component configured for inclusion in an electronic device, the component comprising:a heat spreader; and
a thermal interface material and/or one or more walls of electromagnetic interference shielding material disposed on the heat spreader;
wherein the component is configured to be installed in the electronic device and define a thermally-conductive heat path from one or more heat sources of the electronic device to one or more other parts of the electronic device, including one or more electronic components of the electronic device, such that heat is transferrable along the thermally-conductive heat path from the one or more heat sources to the one or more other parts of the electronic device, including the one or more electronic components of the electronic device, whereby the heat transfer increases a temperature of the one or more other parts of the electronic device and thereby makes device temperature more uniform;
wherein the component includes the thermal interface material that is configured to compressively contact an unused portion of a circuit board of the electronic device.

US Pat. No. 10,270,162

OMNIDIRECTIONAL ANTENNAS, ANTENNA SYSTEMS, AND METHODS OF MAKING OMNIDIRECTIONAL ANTENNAS

LAIRD TECHNOLOGIES, INC.,...

1. An antenna system comprising a ground plane and first and second antennas each including a first feed, wherein the antenna system further comprises:a neutral line having first and second end portions coupled to the first feed of the respective first and second antennas; and
one or more decoupling stubs integrally formed from and extending outwardly and upwardly at an angle relative to the ground plane;
wherein the ground plane includes one or more slots defined by an absence of ground plane material that integrally forms the one or more decoupling stubs, whereby the one or more slots are operable for improving isolation between the first and second antennas.

US Pat. No. 10,368,432

CIRCUIT ASSEMBLIES AND RELATED METHODS

LAIRD TECHNOLOGIES, INC.,...

1. An assembly suitable for use in an electronic device, the assembly comprising:an electrically conductive structure configured for a first functionality in the electronic device;
an electrically nonconductive material on at least part of the electrically conductive structure; and
one or more first electrical components at least partly on the electrically nonconductive material and configured to define at least a portion of a circuit assembly for electrically connecting with one or more second electrical components of the electronic device;
whereby the electrically conductive structure is configured for a second functionality in addition to the first functionality in the electronic device;
wherein the one or more first electrical components comprise a flexible circuit on a flexible printed circuit board mounted on a upper surface of the electrically conductive structure, and a pattern of electrically conductive material on the electrically nonconductive material defining one or more routing connections extending from the flexible circuit and along at least one sidewall of the electrically conductive structure, for electrically connecting the circuit with the one or more second electrical components of the electronic device.

US Pat. No. 10,278,314

SOFT AND/OR FLEXIBLE EMI SHIELDS AND RELATED METHODS

LAIRD TECHNOLOGIES, INC.,...

3. A shield suitable for use in providing electromagnetic interference (EMI) shielding for one or more components on a substrate, the shield comprising:one or more contacts configured for installation on the substrate; and
a soft and/or flexible electrically-conductive cover configured for installation on the one or more contacts, wherein the cover comprises a fabric configured to allow the cover to bend or flex along with the substrate and/or the cover is capable of having a radius of curvature of 100 millimeters;
wherein each of the one or more contacts includes an L-C resonator comprising an inductor and a capacitor configured to be operable for virtually connecting the cover to a ground plane.

US Pat. No. 10,477,738

BOARD LEVEL SHIELDS AND SYSTEMS AND METHODS OF APPLYING BOARD LEVEL SHIELDING

Laird Technologies, Inc.,...

1. A multilayer board level shield comprising an electrically-conductive shielding layer disposed between inner and outer dielectric layers, wherein the multilayer board level shield has an overall thickness of about 25 microns or less, and wherein the multilayer board level shield has sufficient flexibility to be reconfigurable generally over one or more components on a substrate to thereby provide board level shielding for the one or more components, wherein:the electrically-conductive shielding layer comprises an electrically-conductive foil between the inner and outer dielectric layers;
the electrically-conductive foil is electrically coupled directly to one or more ground traces of the printed circuit board without requiring any bond pads and without requiring a board level shield fence or frame; and
one or more dielectric joints are defined between the printed circuit board and the outer dielectric layer that attach the multilayer board level shield to the printed circuit board.

US Pat. No. 10,263,345

MULTIPORT MULTIBAND VEHICULAR ANTENNA ASSEMBLIES INCLUDING MULTIPLE RADIATORS

LAIRD TECHNOLOGIES, INC.,...

1. A multiport multiband vehicular antenna assembly, the antenna assembly comprising:at least one radiator operable with one or more cellular frequencies;
at least one radiator operable with one or more internet frequencies;
at least one radiator operable with one or more satellite navigation frequencies;
a base assembly; and
a radome coupled to the base assembly;
wherein the radiators are within an interior enclosure cooperatively defined by the radome and the base assembly; and
wherein the at least one radiator operable with one or more cellular frequencies comprises two or more LTE multi-input-multi-output (MIMO) radiators spaced apart from each other and/or adjacent opposite sides of the base assembly.

US Pat. No. 10,373,891

METHODS FOR ESTABLISHING THERMAL JOINTS BETWEEN HEAT SPREADERS OR LIDS AND HEAT SOURCES

Laird Technologies, Inc.,...

1. A method of establishing a thermal joint for conducting heat between a heat spreader and a heat source of an electronic device, the heat source having a normal operating temperature range, the method comprising:positioning a thermal interface material (TIM1) in an initial solid state in the form of a pad between the heat spreader and the heat source, wherein the thermal interface material comprises a phase change thermal interface material; and
heating the thermal interface material, while under pressure, to a temperature within a range from about 45 degrees Celsius to about 70 degrees Celsius such that the thermal interface material becomes flowable to form a thin bond line between the heat spreader and the heat source and establishes the thermal joint between the heat spreader and the heat source, whereupon removal of the pressure, the thermal interface material returns to the solid state and remains solidified as the thermal interface material precludes the heat source from heating beyond the normal operating temperature range during operation of the electronic device and heat is flowable through the thermal joint from the heat source to the heat spreader during operation of the electronic device whereby temperature of the heat source is reduced;
wherein the thermal interface material is silicone free; and
wherein the phase change thermal interface material is shear thinning and thixotropic such that the phase change thermal interface material is not flowable at the temperature within the range from about 45 degrees Celsius to about 70 degrees Celsius except under pressure and such that the phase change thermal interface material maintains shape unless force is applied even when the phase change thermal interface material is at the temperature within the range from about 45 degrees Celsius to about 70 degrees Celsius.

US Pat. No. 10,327,722

SYSTEMS AND METHODS FOR COOLING X-RAY TUBES AND DETECTORS

Laird Technologies, Inc.,...

1. A system comprising:an active or passive chiller for cooling a coolant;
a thermoelectric assembly situated on an object;
one or more conduits for circulating a coolant from the active or passive chiller to the thermoelectric assembly, whereby the coolant passes through the thermoelectric assembly such that the thermoelectric assembly is usable for actively cooling and/or for controlling temperature of the object;
one or more conduits for returning the coolant from the thermoelectric assembly back to the active or passive chiller;
wherein the system is configured to divert a portion of the coolant from the active or passive chiller to the thermoelectric assembly and to circulate at least a portion of the remaining undiverted coolant from the active or passive chiller to another object for cooling of the another object; and
wherein the active or passive chiller comprises a passive chiller and/or the one or more conduits comprise uninsulated hoses to circulate the coolant from the passive chiller to the another object and the thermoelectric assembly and back to the passive chiller.

US Pat. No. 10,312,583

ANTENNA SYSTEMS WITH LOW PASSIVE INTERMODULATION (PIM)

LAIRD TECHNOLOGIES, INC.,...

1. An antenna system configured to be operable with low passive intermodulation, the antenna system comprising:a base;
a ground plane mounted to the base and including integrally formed tabs to which are solderable cable braids;
first and second antennas;
a first isolator disposed between the first and second antennas;
a second isolator extending outwardly from the ground plane and separate from the first isolator;
wherein the ground plane and/or the base includes one or more integrally formed features for holding the first isolator generally perpendicular to the ground plane;
wherein the integrally formed tabs of the ground plane comprise tabs directly formed from material of the ground plane material that is repositioned at an acute angle relative to the ground plane, whereby there is no galvanic contact along a bottom of the cable braids to the ground plane and/or whereby an area underneath the bottom of the cable braids is open or hollow due to the repositioning of the ground plane material to make the tabs.

US Pat. No. 10,389,397

SMALL FORM-FACTOR PLUGGABLE (SFP) TRANSCEIVERS

LAIRD TECHNOLOGIES, INC.,...

1. A device comprising:a housing comprising a cage adapted to receive a connector;
an external heat sink;
at least one of a thermal interface material and a thermoelectric module between a side of the cage and the external heat sink; and
at least one spring contact coupled to the side of the cage between the connector and the at least one of a thermal interface material and a thermoelectric module;
whereby the at least one spring contact and the at least one of a thermal interface material and a thermoelectric module define at least a portion of a thermally-conductive heat path between the connector and the external heat sink;
wherein the device further comprises a plate coupled to the at least one spring contact, the plate substantially parallel to the side of the cage and in contact with the connector received in the cage to thereby define a thermally-conductive heat path between the connector and the at least one spring contact.

US Pat. No. 10,477,739

THERMALLY-CONDUCTIVE ELECTROMAGNETIC INTERFERENCE (EMI) ABSORBERS POSITIONED OR POSITIONABLE BETWEEN BOARD LEVEL SHIELDS AND HEAT SINKS

Laird Technologies, Inc.,...

1. An assembly comprising:a board level shield including an opening having a perimeter;
a thermally-conductive electromagnetic interference (EMI) absorber configured for attenuating EMI that propagates within the thermally-conductive EMI absorber; and
a structure positioned relative to the board level shield and the thermally-conductive EMI absorber such that EMI passing through the opening is blocked and redirected by the structure to propagate within the thermally-conductive EMI absorber between the board level shield and the structure;
wherein at least a portion of the thermally-conductive EMI absorber is disposed outside the perimeter of the opening within a gap or space separating or defined between an upper surface of the board level shield and a lower surface of the structure and is configured to be operable for attenuating EMI that propagates within the at least a portion of the thermally-conductive EMI absorber between the upper surface of the board level shield and the lower surface of the structure;
wherein the thermally-conductive EMI absorber is configured to attenuate the EMI that passes through the opening and propagates within the thermally-conductive EMI absorber before the EMI can emerge from the thermally-conductive EMI absorber;
wherein the assembly further comprises a thermal interface material in addition to and different than the thermally-conductive EMI absorber and positioned within the opening of the board level shield; and
wherein at least a portion of the thermally-conductive EMI absorber is between the thermal interface material and the structure.

US Pat. No. 10,455,688

BOARD LEVEL SHIELDS WITH VIRTUAL GROUNDING CAPABILITY

Laird Technologies, Inc.,...

1. An assembly comprising a fence and one or more resonators along the fence and configured to be operable for virtually connecting the fence to a grounded electrically-conductive surface without using grounding vias.

US Pat. No. 10,446,467

THERMAL TRANSFER/MANAGEMENT AND EMI SHIELDING/MITIGATION SOLUTIONS FOR ELECTRONIC DEVICES

Laird Technologies, Inc.,...

1. A thermal management and electromagnetic interference mitigation assembly comprising:a housing having an inner surface;
a pedestal mechanically coupled to and extending downwardly relative to the inner surface of the housing; and
a thermal interface material along a bottom of the pedestal;
wherein:
the thermal management and electromagnetic interference mitigation assembly further comprises one or more laser welds mechanically coupling the pedestal to the inner surface of the housing; and/or
the pedestal includes one or more resilient spring fingers.

US Pat. No. 10,370,500

THERMAL INTERFACE MATERIAL ASSEMBLIES AND SYSTEMS AND METHODS FOR CONTROLLABLY CHANGING SURFACE TACK OF THERMAL INTERFACE MATERIALS

Tianjin Laird Technologie...

1. A thermal interface material assembly comprising a thermal interface material, a first liner, a first coating directly on the thermal interface material between a first surface of the thermal interface material and an inner surface of the first liner, a second liner, and a second coating directly on the thermal interface material between a second surface of the thermal interface material and an inner surface of the second liner, wherein the thermal interface material comprises a first silicone and thermally-conductive filler, the first coating comprises a second silicone, and the second coating comprises a third silicone, whereby the first coating is configured such that at least a portion of the first coating will remain along the first surface of the thermal interface material after removal of the first liner from the thermal interface material assembly to thereby decrease a surface tack of the first surface of the thermal interface material, and whereby the second coating is configured such that at least a portion of the second coating will remain along the second surface of the thermal interface material after removal of the second liner from the thermal interface material assembly to thereby increase a surface tack of the second surface of the thermal interface material.

US Pat. No. 10,429,096

COMBINED HEATER AND ACCUMULATOR ASSEMBLIES

Laird Technologies, Inc.,...

1. An assembly comprising:an enclosure including a first portion, a second portion, and a divider between the first and second portions;
an inlet through which a coolant may enter an interior of the second portion;
an outlet through which the coolant may exit the interior of the second portion;
a heat source operable for supplying heat for heating the coolant within the interior of the second portion;
a baffle having one or more bleed holes, wherein the baffle is positioned generally between the divider and the second portion of the enclosure, the baffle configured to be operable for at least reducing application of pressure on the divider from the coolant flowing within the interior of the second portion;
the divider is flexible, movable, and/or deformable in a direction away from the first portion towards the second portion for causing the coolant within the interior of the second portion to exit the interior of the second portion via the outlet; and
whereby the assembly is configured to allow pressurizing of an interior of the first portion to thereby cause the divider to flex, move, and/or deform in the direction away from the first portion towards the second portion for causing coolant to exit the interior of the second portion via the outlet; and
whereby the one or more bleed holes are configured to enable pressure changes due to flexing, moving, and/or deforming of the divider to be transmitted throughout the second portion while the baffle at least inhibits the divider from being directly affected by the flow of coolant through the second portion; and
wherein:
the assembly includes first and second ports and a symmetric design such that either the first port and the second port are usable as the inlet or the outlet; and/or
the baffle comprises a plate having the one or more bleed holes, the plate configured to resist deforming due to force or pressure exerted by flowing coolant within the second portion and to resist the force or pressure caused by the flexing, moving, and/or deforming of the divider, whereby the plate is operable for at least reducing application of pressure on the divider from the coolant flowing within the interior of the second portion.

US Pat. No. 10,453,773

DEVICES FOR ABSORBING ENERGY FROM ELECTRONIC COMPONENTS

Laird Technologies, Inc.,...

1. An assembly comprising:an electronic component on a substrate;
a board level shield including a fence coupled to the substrate and surrounding the electronic component; and
a device for absorbing energy from an electronic component, the device comprising:
a low melting alloy layer including a first side and a second side opposing the first side, the low melting alloy layer includes a polymer mixture and a plurality of low melting alloy particulates dispersed in the polymer mixture,
a first coating layer substantially covering the first side of the low melting alloy layer and/or adjacent a top portion of the device,
a second coating layer substantially covering the second side of the low melting alloy layer and/or positionable adjacent the electronic component, and
at least one thermally conductive layer coupled between the low melting alloy layer and one of the first or second coating layer;
wherein the device is a lid of the board level shield when coupled to the fence and positioned adjacent and over the electronic component, such that one or more portions of the fence pierce through, penetrate through, and/or pass the second coating layer and couple with at least another portion of the device; and
wherein:
the low melting alloy layer is a first low melting alloy layer, and the device further comprises a second low melting alloy layer coupled to the thermally conductive layer; or
the thermally conductive layer is a first thermally conductive layer, and the device further comprises at least a second thermally conductive layer formed of graphite.

US Pat. No. 9,472,846

MULTI-BAND PLANAR INVERTED-F (PIFA) ANTENNAS AND SYSTEMS WITH IMPROVED ISOLATION

Laird Technologies, Inc.,...

1. A planar inverted-F antenna (PIFA) operable within at least a first frequency range and a second frequency range different
than the first frequency range, the PIFA comprising:
an upper radiating patch element having a slot;
a first shorting element electrically connected to the upper radiating patch element;
a second shorting element electrically connected to the upper radiating patch element, the second shorting element having
a non-flat configuration between the upper radiating patch element and a lower surface such that a length of the second shorting
element between the upper radiating patch element and the lower surface is greater than a spaced distance separating the upper
radiating patch element and the lower surface; and

a feeding element electrically connected to the upper radiating patch element, the feeding element is defined as being an
entire side of the PIFA between the upper radiating patch element and the lower surface.