Abstract: An electronic device may be provided with wireless circuitry and a housing with upper and lower ends. The lower end may include first and second open slot antennas that are directly fed by respective feeds and that radiate in a cellular ultra-high band. The lower end may also include first and second inverted-F antennas. The upper end may include third and fourth inverted-F antennas. The first inverted-F antenna may have a first feed that conveys currents below 2700 MHz and a second feed that conveys antenna currents in the cellular ultra-high band, a wireless local area network band, and/or ultra-wideband frequency bands. If desired, the upper end may include a third open slot antenna that is directly fed by a corresponding antenna feed and that radiates in the cellular ultra-high band and/or in the ultra-wideband frequency bands.

Abstract: The present invention discloses a method for coreless spinning of a large-ratio multi-variable-diameter hollow shaft, belonging to the field of spinning. The present invention includes following steps: S1: clamping a blank in a lower die unit, driving the workpiece to rotate, causing a rough spinning wheel and a fine spinning wheel to be in contact with the workpiece for staggered spinning, and performing curved reciprocating feed spinning via point contact to form a roughly-spun blank; S2: shifting the rough spinning wheel and the fine spinning wheel, causing shaping spinning wheels to be in contact with the workpiece for shaping spinning, and subjecting the shaping spinning wheels to linear contact shaping and fine spinning only in a radial direction, to obtain a finely spun blank. The present invention solves the problems of high machining difficulty and poor molding quality of hollow shafts in the prior art.

Abstract: A method for operating a device for handling a phone call is disclosed. In one aspect the method comprises (a) receiving a phone call from a calling party, (b) determining an action to be performed by the device among a predetermined list of actions related to the handling of a phone call, as a function at least of identity information about the calling party, and (c) performing the determined action for handling the phone call. The device may be programmable and mobile, e.g., a smartphone.

Abstract: A method for operating an electronic device storing a plurality of virtual cards in a digital wallet is disclosed. A processing unit of the device performs receiving, from a terminal connected to the electronic device, identification data related to the terminal; and selecting at least one virtual card suitable for an interaction between the electronic device and the terminal, among the plurality of virtual cards stored in the digital wallet, as a function of at least the identification data related to the terminal.

Abstract: A flash memory device includes a substrate, a plurality of active regions and a plurality of first isolation regions alternately arranged in a first direction and extending in a second direction different from the first direction, a plurality of gate structures on the substrate, the gate structures being spaced apart from each other and extending in the second direction, a gap structure between the gate structures, and a second isolation region filling an upper portion of the gap structure and leaving a first air gap in a lower portion of the gap structure.

Abstract: A device with near-field communications (NFC) capabilities is provided. A housing may include first and second segments and a support plate separated from the segments by a slot. A first inductor may be coupled between the first segment and the plate. A second inductor may be coupled between the second segment and the plate. A transceiver may have a first signal terminal coupled to the first segment over a first path and a second signal terminal coupled to the second segment over a second path. The transceiver may convey differential signals in an NFC band over a loop path for an NFC antenna that includes the first conductive path, the first segment, the first inductor, a portion of the plate between the first and second inductors, the second inductor, the second segment, and the second conductive path. This may optimize wireless performance and volume for the NFC antenna.

Abstract: A method for triggering a wireless connection of an electronic device to a target wireless access point is disclosed. In one aspect, the method comprises detecting a voice command inputted at a microphone of the device; and sending, from the electronic device to the target wireless access point, a probe request indicating that the electronic device is compatible with a wireless connection setup protocol.

Abstract: Systems and methods for improved convolutional layers for neural networks are disclosed. An improved convolutional layer can obtain at least two input feature maps of differing channel sizes. The improved convolutional layer can generate an output feature map for each one of the at least two input feature maps. Each input feature map can be applied to a convolutional sub-layer to generate an intermediate feature map. For each intermediate feature map, versions of the remaining intermediate feature maps can be resized to match the channel size of the intermediate feature map. For each intermediate feature map, an output feature map can be generated by combining the intermediate feature map and the corresponding resized versions of the remaining intermediate feature maps.

Abstract: A displacement mechanism contains: a support rack, a sitting assembly, a slide rod, two fixing feet, a back, a first holding plate, a second holding plate, and an expandable sheet. The support rack includes a fixer having a post, a rolling stand having multiple first rollers, and a lifter. The sitting assembly includes a receiving orifice and a rotatable mounting. The slide rod includes an elongated hole for connecting the slide rod with the post. A respective foot includes a second roller. The back is disposed on a rear end of the sitting assembly. The first holding plate is mounted on a seat of a wheelchair, and the sitting assembly is slid between the fixer and the first holding plate. The second holding plate is connected on a seat of a car. The expandable sheet is disposed between the fixer and the second holding plate.

Abstract: A self-driving vehicle system comprising a body having one or more motorized wheels, and a sensor head coupled to the body. The sensor head is movable from a retracted position to an extended position relative to the body. The sensor head comprises one or more proximity sensors and one or more cameras.

Abstract: There are provided a display method and a display device in a portable terminal, the display method including: in a predetermined display mode, detecting a first motion vector of the portable terminal; calculating a second motion vector of a page currently displayed on a screen of the portable terminal based on the first motion vector of the portable terminal; and controlling the page to move on the screen according to the calculated second motion vector. By adopting the display method and the display device in the portable terminal according to the exemplary embodiment of the present disclosure, a page displayed on a screen of the portable terminal may be controlled to move through a motion sensing operation, thereby avoiding a touch operation for the screen during controlling the page to move.

Abstract: The present disclosure provides a method for syncing data of a computing task across a plurality of groups of computing nodes, each group comprising a set of computing nodes A-D, a set of intra-group interconnects that communicatively couple computing node A with computing nodes B and C and computing node D with computing nodes B and C, and a set of inter-group interconnects that communicatively couple a computing node A of a first group of the plurality of groups with a computing node A of a second group neighboring the first group, a computing node B of the first group with a computing node B of the second group, a computing node C of the first group with the computing node C of the second group, and a computing node D of the first group with a computing node D of the second group, the method comprising: syncing across a first dimension of computing nodes using a first set of ring connections, wherein the first set of ring connections are formed using inter-group and intra-group interconnects that communica

Abstract: The present disclosure provides a system comprising: a first group of computing nodes and a second group of computing nodes, wherein the first and second groups are neighboring devices and each of the first and second groups comprising: a set of computing nodes A-D, and a set of intra-group interconnects, wherein the set of intra-group interconnects communicatively couple computing node A with computing nodes B and C and computing node D with computing nodes B and C; and a set of inter-group interconnects, wherein the set of inter-group interconnects communicatively couple computing node A of the first group with computing node A of the second group, computing node B of the first group with computing node B of the second group, computing node C of the first group with computing node C of the second group, and computing node D of the first group with computing node D of the second group.

Abstract: The present disclosure provides a method for syncing data of a computing task across a plurality of groups of computing nodes. Each group including a set of computing nodes A-D, a set of intra-group interconnects that communicatively couple computing node A with computing nodes B and C and computing node D with computing nodes B and C, and a set of inter-group interconnects that communicatively couple each of computing nodes A-D with corresponding computing nodes A-D in each of a plurality of neighboring groups. The method comprises syncing data at a computing node of the plurality of groups of computing nodes using inter-group interconnects and intra-group interconnects along four different directions relative to the node; and broadcasting synced data from the node to the plurality of groups of computing nodes using inter-group interconnects and intra-group interconnects along four different directions relative to the node.

Abstract: A radio frequency device has a multifunctional tuner that stores measurements of reflection coefficient parameter in a register. The radio frequency device also has a transceiver that has a transmitter. The transceiver may detect a transmitter signal from the transmitter to an antenna in an initial tuning state and then determine whether the transmitter signal is stable. In response to the transmitter signal being stable, the transceiver may measuring the reflection coefficient parameters at the multifunctional tuner. Furthermore, the radio frequency device has a baseband controller that has a memory to store instructions and a processor to execute the instructions. The instructions cause the processor to determine an antenna impedance based on the reflection coefficient parameters, and in response to determining that the antenna impedance is greater than or less than a threshold antenna impedance, iteratively tune the antenna using the multifunctional tuner.

Abstract: A collapsible exercise bar includes two elongate sections; attachment means for connecting the two elongate sections together and for permitting the two elongate sections to move relative to each other between a position in which the two elongate sections are aligned for use of the bar, and a folded position in which the two elongate sections are generally parallel to each other. A retainer member is slidable relative to the two elongate sections and includes attachment means for engaging cooperating attachment means on one of the two elongate sections to immobilize the retainer member in a position overlying contiguous edges of the two elongate sections when the two elongate sections are aligned for use of the bar. A connector is provided on the exercise bar and is configured to be connected to a resistance device.

Abstract: The present disclosure provides systems and methods for executing instructions. The system can include: processing unit having a core configured to execute instructions; and a host unit configured to: compile computer code into a plurality of instructions that includes a set of instructions that are determined to be executed in parallel on the core, wherein the set of instructions each includes an operation instruction and an indication bit and wherein the indication bit is set to identify the last instruction of the set of instructions, and provide the set of instructions to the core.

Abstract: Systems and methods for improved convolutional layers for neural networks are disclosed. The improved convolutional layers can obtain an input feature map comprising groups of channels. Each group of channels can include one or more channels having a predetermined size. The predetermined sizes can differ between the groups. The convolutional layer can generate, for each one of the groups of channels, an output channel. Generation of the output channel can include resizing the channels in the remaining groups of channels to match the predetermined size of the each one of the groups of channels. Generation can further include combining the channels in the each one of the groups with the resized channels and applying the combined channels to a convolutional sub-layer to generate the output channel.

Abstract: A method, a device and a system for safely and reliably performing real-time speed measurement and continuous positioning are provided. With the method, inertial navigation data from an inertial navigation signal source arranged in a train is detected, and correction data from a correction signal source is detected. In a case that no correction data is detected, a current speed and a current position of the train is determined based on the inertial navigation data, and in a case that the correction data is detected, the inertial navigation data is corrected with the correction data, and a current speed and position of the train are determined based on the corrected inertial navigation data. Therefore, even in the case that no correction data is detected, the real-time speed measurement and continuous positioning can be performed safely and reliably based on the inertial navigation data.

Abstract: Systems and methods for heterogenous hardware acceleration are disclosed. The systems and methods can include a neural network processing unit comprising compute tiles. Each of a first set of the compute tiles can include a first tensor array configured to support operations in a first number format. Each of a second set of the compute tiles can include a second tensor array configured to support operations in a second number format, the second number format supporting a greater range or a greater precision than the first number format, and a de-quantizer configured to convert data in the first number format to data in the second number format. The systems and methods can include neural network processing units, multi-chip hardware accelerators and distributed hardware accelerators including low-precision components for performing interference tasks and high-precision components for performing training tasks.