Abstract: A vehicle ride-height adjustment device with a locking mechanism that has a simple control path and avoids the need for a separate actuator to control locking. The locking mechanism includes a locking gear coupled for rotation with a driven gear of a ride-height actuator, a locking pawl supported adjacent the driven gear for pivoting movement between a locked position engaged with a surface of the locking gear and restricting rotation thereof in at least one direction and a disengaged position spaced apart from the locking gear and permitting rotation of the driven gear. A shifting fork is coupled for rotation with the drive gear configured to move the locking pawl between engaged and disengaged positions. A torque limiter allows the shifting fork to rotate independent from the drive gear when a torque threshold is exceeded.

Abstract: The present disclosure provides systems and methods for product handling and dispensing. In one aspect, the present disclosure provides a system comprising a plurality of storage units for storing one or more trays comprising one or more items; one or more dispense conveyors for lifting and dispensing at least one of the one or more items into one or more receiving units; and a shuttle comprising one or more tray retrieval mechanisms, wherein the shuttle is (a) movable relative to the plurality of storage units and (b) configured to (i) pick at least one tray of the one or more trays using the one or more tray retrieval mechanisms and (ii) transport the at least one tray to the one or more dispense conveyors.

Abstract: Systems and methods for locating UAV. The methods comprise: causing a physical joining of a payload with a fuselage of the UAV (where the payload comprises a communication relay); using a power source to supply power to the payload that is independent from a main power source of the UAV; and continuing to perform relay operations by the communication relay and location operations by a first locator, when power is no longer being supplied by the main power source.

Abstract: The present disclosure relates to chemical compositions, kits, and apparatuses and methods for using these compositions, kits and apparatuses in various assays.

Abstract: A vehicle ride-height adjustment device with a locking mechanism that has a simple control path and avoids the need for a separate actuator to control locking. The locking mechanism includes a locking gear coupled for rotation with a driven gear of a ride-height actuator, a locking pawl supported adjacent the driven gear for pivoting movement between a locked position engaged with a surface of the locking gear and restricting rotation thereof in at least one direction and a disengaged position spaced apart from the locking gear and permitting rotation of the driven gear. A shifting fork is coupled for rotation with the drive gear configured to move the locking pawl between engaged and disengaged positions. A torque limiter allows the shifting fork to rotate independent from the drive gear when a torque threshold is exceeded.

Abstract: Wireless communication device (WCD) for use in an unmanned aerial vehicle (UAV) includes a multi-purpose WCD accessory. The accessory is comprised of a first plate having opposed first and second major faces. The first major face includes a heat transfer surface configured to contact a body of the WCD interior of the UAV when the WCD is secured to the first major face. A second plate is attached to the second major face in a cantilever configuration and extends exterior of the fuselage in a direction away from the second major surface. The second plate comprises at least a portion of a ground plane for an antenna system utilized by the WCD, and together with the first plate forms a heat sink for the WCD.

Abstract: A vehicle may comprise a frame, a propulsion arrangement configured to orient the frame, and an antenna carried by the frame. The antenna may include a housing, a base carried by the housing, a pair of spaced apart antenna elements carried by the base, and a phase sifter coupled to the pair of antenna elements to define an antenna pattern having a pair of opposing nulls. An RF receiver is coupled to the antenna. A controller may control the propulsion arrangement to orient the frame to steer the antenna pattern based upon the RF receiver.

Abstract: A radio frequency (RF) device for a vehicle may include an antenna, an RF receiver and a controller. The antenna may include a housing, a rotatable base carried by the housing, an actuator to selectively rotate the base, a pair of spaced apart antenna elements carried by the rotatable base, and a phase sifter coupled to the pair of antenna elements to define an antenna pattern having a pair of opposing nulls. The RF receiver is coupled to the antenna, and the controller may drive the actuator to steer the antenna pattern based upon the RF receiver.

Abstract: An electromagnetic switchable clutch includes a dog clutch, a one-way clutch and a coil assembly. The dog clutch includes a dog clutch hub with a first outer spline and first pockets, a dog clutch disc with a second outer spline and a dog clutch sleeve with an inner spline, complementary to the first outer spline and the second outer spline. The inner spline is drivingly engaged with the first outer spline and axially displaceable to engage the second outer spline. The one-way clutch includes a cam ring and pawls. The cam ring includes second pockets. The pawls are disposed the first pockets or the second pockets and arranged to engage the other of the first pockets or the second pockets to rotationally lock the cam ring to the dog clutch hub in a single rotational direction. The coil assembly is arranged to axially displace the dog clutch sleeve.

Abstract: Disclosed herein are methods and systems for a training a model for real-time patient diagnosis. A system may include a computer configured to receive audio data and video data of a clinical encounter, the audio data comprising spoken words by an entity and the video data depicting the entity; retrieve clinical data regarding the entity; execute a model using the words of the audio data and the retrieved clinical data regarding the entity as input, the execution causing the model to output a plurality of clinical diagnoses for the entity; concurrently render the corresponding video data and audio data and the plurality of clinical diagnoses via a computing device associated with a user; and store an indication of a selected clinical diagnosis of the plurality of clinical diagnoses responsive to receiving a selection of the clinical diagnosis at the computing device.

Abstract: Systems and methods for operating an antenna assembly. The methods comprise: receiving, at the first polarized antenna, a first signal comprising a desired signal emitted from a first signal source located at a first altitude higher than a second altitude of the antenna assembly and an interfering signal emitted from a second signal source located at a third altitude lower than the second altitude; receiving the interfering signal at the second polarized antenna (where the first and second polarized antennas have opposite circular polarizations); generating a second signal by shifting a phase of the interfering signal which was received at the second polarized antenna by an amount to cause the second signal to be out-of-phase with the first signal; and providing an antenna pattern with a null at or below a horizon by destructively combining the second signal with the first signal.

Abstract: Systems and methods for operating an antenna assembly. The methods comprise: receiving, at the first circularly polarized antenna, a first signal comprising a desired signal emitted from a first signal source located at a first altitude higher than a second altitude of the antenna assembly and an interfering signal emitted from a second signal source located at a third altitude lower than the second altitude; receiving the interfering signal at the second circularly polarized antenna (where the first and second circularly polarized antennas are disposed on opposite sides of an antenna reflector and having opposite circular polarizations); generating a second signal by shifting a phase of the interfering signal which was received at the second circularly polarized antenna by an amount to cause the second signal to be out-of-phase with the first signal; and providing an antenna pattern with a null at or below a horizon by destructively combining the second signal with the first signal.

Abstract: In one general aspect, an apparatus can include a first trench disposed in a semiconductor region and including a gate electrode and a second trench disposed in the semiconductor region. The apparatus can include a mesa region disposed between the first trench and the second trench. The apparatus can include a source region segment of a first conductivity type disposed in a first side of the mesa region where the source region segment is included in a plurality of source region segments and where the plurality of source region segments are aligned along the longitudinal axis. The apparatus can include a body region segment of a second conductivity type disposed in a second side of the mesa region opposite the first side of the mesa region and having a portion disposed above the source region segment where the body region segment is included in a plurality of body region segments.

Abstract: Systems and methods for locating UAV. The methods comprise: causing a physical joining of a payload with a fuselage of the UAV (where the payload comprises a communication relay); using a power source to supply power to the payload that is independent from a main power source of the UAV; and continuing to perform relay operations by the communication relay and location operations by a first locator, when power is no longer being supplied by the main power source.

Abstract: A semiconductor device includes a region of semiconductor material comprising a shielded-gate trench structure. The shielded-gate trench structure includes an active trench, an insulated shield electrode in the lower portion of the active trench, an insulated gate electrode adjacent to the gate dielectric in an upper portion of the active trench, and an inter-pad dielectric (IPD) interposed between the gate electrode and the shield electrode. A conductive region is within the active trench and extends through the gate electrode and the IPD and connected to the shield electrode. The conductive region is electrically isolated from the gate electrode. The gate electrode comprises a shape that is uninterrupted on at least one side of the conductive region in a top view.

Abstract: Systems and methods for locating UAV. The methods comprise: causing a physical joining of a payload with a fuselage of the UAV without any modification to the fuselage (where the payload comprises a communication relay configured to perform relay operations to extend a range between users of a communication relay link for voice and data communications and a first locator configured to perform location operations to determine and report a location of the UAV to the users of the communication relay link); using a power source to supply power to the payload that is independent from a main power source used to supply power to avionic electronics of the UAV; and continuing to perform the relay operations by the communication relay and the location operations by the first locator, when power is no longer being supplied to the avionic electronics by the main power source of the UAV.

Abstract: In some aspects, the techniques described herein relate to a circuit including: a metal-oxide semiconductor field-effect transistor (MOSFET) including a gate, a source, and a drain; and a snubber circuit coupled between the drain and the source, the snubber circuit including: a diode having a cathode and an anode, the cathode being coupled with the drain; a capacitor having a first terminal coupled with the anode, and a second terminal coupled with the source; and a resistor having a first terminal coupled with the anode and the first terminal of the capacitor, and a second terminal coupled with the source.

Abstract: Systems and methods for operating an antenna assembly. The methods comprise: receiving, at the first circularly polarized antenna, a first signal comprising a desired signal emitted from a first signal source located at a first altitude higher than a second altitude of the antenna assembly and an interfering signal emitted from a second signal source located at a third altitude lower than the second altitude; receiving the interfering signal at the second circularly polarized antenna (where the first and second circularly polarized antennas are disposed on opposite sides of an antenna reflector and having opposite circular polarizations); generating a second signal by shifting a phase of the interfering signal which was received at the second circularly polarized antenna by an amount to cause the second signal to be out-of-phase with the first signal; and providing an antenna pattern with a null at or below a horizon by destructively combining the second signal with the first signal.

Abstract: In one general aspect, an apparatus can include a first trench disposed in a semiconductor region and including a gate electrode and a second trench disposed in the semiconductor region. The apparatus can include a mesa region disposed between the first trench and the second trench. The apparatus can include a source region segment of a first conductivity type disposed in a first side of the mesa region where the source region segment is included in a plurality of source region segments and where the plurality of source region segments are aligned along the longitudinal axis. The apparatus can include a body region segment of a second conductivity type disposed in a second side of the mesa region opposite the first side of the mesa region and having a portion disposed above the source region segment where the body region segment is included in a plurality of body region segments.

Abstract: A semiconductor device includes a region of semiconductor material comprising a shielded-gate trench structure. The shielded-gate trench structure includes an active trench, an insulated shield electrode in the lower portion of the active trench, an insulated gate electrode adjacent to the gate dielectric in an upper portion of the active trench, and an inter-pad dielectric (IPD) interposed between the gate electrode and the shield electrode. A conductive region is within the active trench and extends through the gate electrode and the IPD and is electrically connected to the shield electrode. The conductive region is electrically isolated from the gate electrode. The gate electrode comprises a shape that is uninterrupted on at least one side the conductive region in a top view so that the gate electrode.