Abstract: Electronic devices are provided that have components. A housing protrusion may be interposed between a display cover layer and display components. A button may have a button member. A support structure for a dome switch in the button may have a screw hole. A housing may have screw holes through which a screw passes. The screw may also pass through the screw hole of the support structure to hold the switch structure near the button member. A clip may have a spring. A metal plate may prevent the clip from becoming worn by the spring. A display may be mounted on a ledge in a device housing. The ledge may have gaps with supports and removed corners.

Abstract: A single phase brushless DC motor comprises a Hall effect sensor, a coil assembly and a motor control circuit which generating a driving signal to guide a coil current flowing through the coil assembly. The Hall effect sensor senses the magnetic pole of the rotor to accordingly generate a Hall effect signal. The motor control circuit outputs a current polarity reverse signal according to the voltage at one end of the coil assembly. The time when the current polarity reverse signal is generated corresponds to the polarity reverse time of the coil current. The motor control circuit adjusts the phase of the driving signal according to the polarity reverse time of the Hall effect signal and the time when the current polarity reverse signal is generated to synchronize the phase of the back emf of the single phase brushless DC motor with the phase of the coil current.

Abstract: An anti-air-return fan system includes a motor, a driving control circuit, and a rotation judgment circuit. The driving control circuit is electrically connected to the motor. The driving control circuit has a driving signal for driving the motor to rotate according to the driving signal. The rotation judgment circuit outputs a judgment signal to the driving control circuit when detecting that the motor reversely rotate. The driving control circuit executes a braking according to the judgment signal. The driving control circuit drives the motor to operate when the rotation judgment circuit detects that the motor doesn't rotate reversely.

Abstract: A method of lead frame surface modification includes providing at least one pre-fabricated metal lead frame or package substrate (substrate) unit including a base metal having a die pad and a plurality of contact regions surrounding the die pad. An ink including a material that is a solid or a precursor for a solid that forms a solid upon a curing step or a sintering step that removes a liquid carrier is additively deposited including onto at least one of (i) a region of the die pad and (ii) at one region of at least a first of the contact regions (first contact region). The ink is sintered or cured to remove the liquid carrier so that a substantially solid ink residue remains.

Abstract: A touch display driving circuit capable of responding to CPU commands, including: a first interface receiving touch configuration data from a CPU and outputting touch report data to the CPU; a second interface coupling with a touch display module; a control unit executing a touch detection procedure on the touch display module via the second interface to derive touch detected data, and processing the touch detected data to generate the touch report data, wherein the touch detection procedure is determined according to the touch configuration data determining a connection configuration of at least one multiplexer and a weighting configuration of at least one touch point, and the content of the touch report data include a sensed pressure profile, a finger print, a palm print, an ear image, characteristics of a finger print, characteristics of a palm print, or characteristics of an ear image.

Abstract: A gravity-type pore pressure dynamic penetration device for exploration of shallow-layer seabed soil includes a third drop hammer, a second drop hammer, a first drop hammer, a stable empennage, and a probe rod which are sequentially arranged from top to bottom. A sidewall friction sleeve is arranged outside a probe rod lower cylinder. A friction sleeve sensor is provided on an inner sidewall of the sidewall friction sleeve. A first pore water pressure sensor, a conical tip pressure sensor, a temperature compensation sensor, and an inclinometer sensor are provided in the middle of the probe rod lower cylinder. A second pore water pressure sensor and an acceleration sensor are provided in the middle of a probe rod upper cylinder. The tail portion of the probe rod, that is, the upper portion of the probe rod upper cylinder is connected to the stable empennage.

Abstract: Disclosed herein is a device comprising a first package having a first side with a plurality of connectors disposed thereon and a second package mounted on the first package by the connectors. A molding compound is disposed on the first side of the first package and between the first package and the second package. A plurality of stress relief structures (SRSs) are disposed in the molding compound, the plurality of SRSs each comprising a cavity free of metal in the molding compound and spaced apart from each of the plurality of connectors.

Abstract: An IC includes logic cells, selected from a standard cell library, and fill cells, configured for compatibility with the standard logic cells. The fill cells contain structures configured to obtain in-line data via non-contact electrical measurements (“NCEM”). The IC includes such NCEM-enabled fill cells configured to enable detection and/or measurement of a variety of open-circuit and short-circuit failure modes, including at least one via-open-related failure mode, one TS-short-related failure mode, one metal-short-related failure mode, and one AA-short-related failure mode.

Abstract: Embodiments of the present application disclose various super-resolution image acquisition methods and acquisition apparatuses, wherein a super-resolution image acquisition method comprises: determining sub-pixel level target offset distances of corresponding logic pixel points in respective to-be-adjusted regions of image sensors of any two adjacent cameras of a camera array, the respective to-be-adjusted regions being imaging regions of the image sensors respectively corresponding to a first region, and the first region being at least a local part of a scene; adjusting pixel point distribution of image sensors of respective cameras in the camera array according to the sub-pixel level target offset distances; acquiring images of the scene respectively based on the cameras after adjustment; and acquiring a super-resolution image of the scene according to the acquired images.

Abstract: A stringed musical instrument is disclosed herein. The stringed instrument comprises a body, a head, a neck, and one or more strings. The neck has a back plate and a cover integrated with the back plate. The back plate comprises a first array of openings and the cover comprises a second array of openings. The first array and second array of openings align to form an array of light housings. Each light housing is configured to house a light (e.g., LEDs). Also disclosed herein is an interactive stringed musical instrument teaching system comprising a stringed instrument and a mobile terminal (e.g., computer). Both the smart stringed instrument and the mobile terminal are in communication via one or more communication modules. The mobile terminal comprises a microphone, a tuning module, a database, a teaching module and a game module. The stringed instrument comprises a main control module, a sound wake-up module, an LED driver module and an LED matrix module.

Abstract: A method for controlling a magnetic memory device is provided. The method includes: applying a first control signal and a second control signal to a ferromagnetic fixed layer and a ferromagnetic free layer of the magnetic memory device respectively, wherein a first voltage level of the first control signal is lower than a second voltage level of the second control signal; sensing a first current signal flowing through the magnetic memory device; and determining a logical state of a first data bit according to the first current signal.

Abstract: In an example, a communication module includes an optical transmitter, an optical receiver, and a periodical filter. The optical transmitter is configured to emit an outbound optical signal. The optical receiver is configured to receive an inbound optical signal. A first frequency of the outbound optical signal is offset from a second frequency of the inbound optical signal by an amount less than a channel spacing of a multiplexer/demultiplexer implemented in an optical communication system that includes the communication module. The periodical filter is positioned in optical paths of both the outbound optical signal and the inbound optical signal and has a transmission spectrum with periodic transmission peaks and troughs. The first frequency of the outbound optical signal may be aligned to one of the transmission peaks and the second frequency of the inbound optical signal may be aligned to one of the transmission troughs, or vice versa.

Abstract: A method for utilizing a probe card includes steps as follows. Providing a probe card having three alignment marks on a reference plane of a circuit board; moving the circuit board to be oriented to a wafer-loading plane of a wafer stage with the reference plane; determining whether a geometric plane defined by the alignment marks is parallel to the wafer-loading plane; and when the geometric plane is not parallel to the wafer-loading plane, adjusting a levelness of the circuit board until the reference plane is parallel to the wafer-loading plane.

Abstract: Techniques are described for decoding a codeword. In one example, the techniques include obtaining a first message comprising reliability information corresponding to each bit in the first codeword, determining a plurality of least reliable bits in the first codeword, and generating a plurality of flipped messages by flipping one or more of the plurality of least reliable bits in the first codeword. A number of the plurality of least reliable bits is equal to a first parameter and a number of flipped bits in each of the plurality of flipped messages is less than or equal to a second parameter. The method further includes decoding one or more of the plurality of flipped messages using a hard decoder to generate one or more candidate codewords.

Abstract: An eyeglass structure includes a front light-penetrable portion flanked by two parallel guide walls each having a free end with a leg pivotal connection portion; a rear frame portion flanked by two sliding bodies each having a free end with a stop wall, with each sliding body disposed between the guide walls, and each stop wall between a corresponding one of the sliding bodies and a corresponding one of the leg pivotal connection portions; a demountable connection portion connected to the front light-penetrable portion and the rear frame portion; and two legs pivotally connected to the leg pivotal connection portions to stop the stop walls, respectively. Hence, the eyeglass structure enables the front light-penetrable portion and rear frame portion to be firmly coupled together.

Abstract: Concepts and examples pertaining to reconfigurable radio frequency (RF) front end and antenna arrays for radar mode switching are described. A processor associated with a radar system selects a mode of a plurality of modes in which to operate the radar system. The processor then controls the radar system to operate in the selected mode by utilizing a plurality of antennas in a respective configuration of a plurality of configurations of the antennas which corresponds to the selected mode. Each configuration of the plurality of configurations of the antennas results in respective antenna characteristics. Each configuration of the plurality of configurations of the antennas utilizes a respective number of antennas of the plurality of antennas.

Abstract: Two vertical NAND strings can share a common bit line by providing two pairs of drain select transistors. Channels of each vertical NAND string containing an adjoining pair of drain select transistors are incorporated into a respective vertical semiconductor channel, which is adjoined to a respective drain region which is connected to the common bit line. The drain select transistors have mismatched threshold voltages at each level such that each vertical NAND string includes a level at which a respective drain select transistor has a higher threshold voltage than a counterpart drain select transistor for the other vertical NAND string at the same level. By turning on three drain select transistors out of four, only one vertical NAND string can be activated while the common bit line is biased at a suitable bias voltage. A programming operation or a read operation can be performed only on the activated NAND string.

Abstract: This application discloses a network attack determination method, a secure network data transmission method, and a corresponding apparatus. In this application, a browser client terminal obtains attack rules formulated by a rule configuration server, and after obtaining feedback information that is returned by a network according to a webpage browsing request, determines, according to a comparison result between the attack rules and the feedback information, whether the webpage browsing request encounters a network attack, thereby resolving a problem in the prior art that a network attack cannot be identified. In addition, after determining that a network attack is encountered, the browser client terminal performs network data transmission in a secure manner, which can avoid impact from the network attack, and improve security of network data transmission.

Abstract: A vehicle routing device includes a processor configured to perform an objective function. An input unit communicatively is coupled to the processor and configured to accept input of at least one of a vehicle information, a depot information, and a customer information. A computer readable medium is coupled to the processor and configured to receive the routing information, the computer readable medium further including instructions stored therein which, upon execution by the processor, causes the processor to perform operations.

Abstract: Systems and methods are provided for voltage regulation of power conversion systems. An example system controller includes: a first sampling component configured to sample a sensing signal and determine a compensation signal based on at least in part on the sensing signal, the sensing signal being associated with a first current flowing through a primary winding of a power conversion system; a signal processing component configured to receive a feedback signal and the compensation signal and generate a first signal based at least in part on the feedback signal and the compensation signal, the feedback signal being associated with an auxiliary winding coupled with a secondary winding of the power conversion system; an error amplifier configured to receive the first signal and a reference signal and generate an amplified signal based at least in part on the first signal and the reference signal.