Abstract: A semiconductor device includes a transistor comprising: a plurality of layers, wherein each of the plurality of layers has at least one Group III-V compound material; a gate electrode operatively coupled to at least one of the plurality of layers; a source electrode disposed on a first side of the gate electrode; a drain electrode disposed on a second side of the gate electrode; a field plate disposed between the gate electrode and the drain electrode; and a plurality of conductive lines disposed above the gate electrode, the source electrode, and the drain electrode. The semiconductor device further includes a plurality of test structures, wherein each of the test structures, including a first metal pattern and a second metal pattern, emulates at least one of the gate electrode, the source electrode, the drain electrode, the field plate, or at least one of the plurality of conductive lines.

Abstract: The technology described herein is directed to a DC input power supply unit with an auxiliary boost control circuit (or controller) that facilitates continuous supply of power to a standby output load of the power supply unit in a bootloader mode. More specifically, the auxiliary boost circuit (or controller) is configured to assume control of a primary power boost stage from a primary controller in a bootloader mode so that the power supply unit can continue to supply power to the standby output with a protection function regardless of the state of the power supply unit or primary controller.

Abstract: A poultry voiceprint identification system includes a receiver, a feature processing module, a feature analysis module and an artificial intelligence sound model. The receiver is arranged in a poultry house for receiving a recording information of a poultry house for a period of time. A stocking density of poultry in the poultry house is 7 per square meter or more. The feature processing module converts the recording information into a plurality of sound features via filtering, segmentation and extraction methods. The artificial intelligence sound model generates a training group according to the sound features. The feature analysis module analyzes each sound feature to determine a sound state of each sound feature through an artificial intelligence sound model. The sound state includes a normal poultry sound state or an abnormal poultry sound state. The system accurately and quickly identifies the sound from abnormal poultry among high stocking density poultry.

Abstract: This document describes systems and techniques directed at uniformly narrow display bezels in portable electronic devices. In aspects, a portable electronic device includes a housing that houses a display panel stack having a chamfered, polyhedral cover layer bonded to a top of a display module. The cover layer may include a large chamfer between a top face and a side face, defining a chamfered face extending a perimeter of the cover layer. The chamfered face may be angled any number of degrees in a range from one to eighty-nine degrees to a horizontal plane defined by the top face of the cover layer, such that the chamfered face possesses a front-facing portion. The chamfered face may be adhered to a parallel or subparallel interior face of the housing. In such a configuration, an opaque border added to a face opposite of the top face may be imperceptible to a user, resulting in uniformly narrow display bezels.

Abstract: A noise reduction module includes a casing, at least one sound weakening mechanism and at least one sound absorbing mechanism. The at least one sound weakening mechanism is disposed in the casing. Each of the at least one sound weakening mechanism includes two plate members and a passage is formed between the two plate members. The at least one sound absorbing mechanism is disposed in the casing. Each of the at least one sound absorbing mechanism includes a bracket and at least one first sound absorbing structure, and the at least one first sound absorbing structure is disposed on the bracket.

Abstract: This application discloses a system for providing information related to an observed entity to a user. The system includes an information database, a score database, an inference engine and an information providing module. The information database has a plurality of messages stored therein and the messages are related to the observed entity. The score database has a plurality of scores recorded thereinto, and the scores are corresponding to the messages and are input by the user. The inference engine retrieves at least one selected message from the messages stored in the information database according to at least one source data and the score database and generates a list of the selected message. The information providing module provides the selected message to the user according to the list.

Abstract: An electronic device having an antenna structure is disclosed. The antenna structure includes a substrate, a first radiating portion, a second radiating portion connected to the first radiating portion, a grounding portion, a shorting portion connected between the second radiating portion and the grounding portion, a third radiating portion, a first grounding extension portion connected between the third radiating portion and the grounding portion, and a first capacitive element coupled between a first section and a second section of the shorting portion. The coupling of the shorting portion, the first grounding extension portion, and the third radiating portion generates a first operating frequency band, and the coupling of the first radiating portion, the shorting portion, the first grounding extension portion, and the third radiating portion generates a second operating frequency band, which is higher than the first operating frequency band, through the matching of the first capacitive element.

Abstract: A test device is provided, including: a test member, including a receive portion and a first connection portion, the receive portion including a receive groove and a wall portion formed the receive groove; a moving member, inserted into the receive groove, being rotatable and movable in an axial direction to the test member, including a second connection portion; a sample collection member, formed of deformed absorption material, disposed on the moving member and disposed within the receive groove; wherein when the moving member is rotated relatively to the test member, the at least one protruding structure is moved along the at least one spiral guiding slot to move the sample collection member to rotatably axially squeeze the wall portion.

Abstract: Error correcting memory systems and methods of operating the memory systems are disclosed. In some embodiments, a memory system includes: a data memory; an ECC memory; and a data scrubbing circuit electrically coupled to the ECC memory and the data memory. The data scrubbing circuit may be configured to, in response to receiving a scrub data command, correct an error in the data memory. A code word length used to correct the error may be longer than a word length used during normal access of the data memory. In some embodiments, a memory system includes a first memory circuit associated with a first bit error rate and a second memory circuit associated with a second bit error rate. In some embodiments, a memory system includes an error correctable multi-level cell (MLC) array.

Abstract: A sample collection device includes a main body. The main body includes a collection member and a protection member. The protection member is umbrella-shaped and disposed on the main body and one side of the collection member. The protection member includes a support frame, a canopy and a seal portion. The support frame is openable and closable relative to the main body to selectively hold the canopy in an open state and close the canopy in a closed state can be opened or closed relative to the base.

Abstract: A pyrazole metal complex for absorption of carbon dioxide, a method for preparing the pyrazole metal complex, and a method for absorbing carbon dioxide are provided; wherein the product produced by reacting pyrazole metal complex and carbon dioxide may be transformed into several economically valuable compounds.

Abstract: The embodiments of the disclosure provide a method for inputting letters, a host, and a computer readable storage medium. The method includes: in response to determining that a first hand is presented as a first gesture, showing at least one letter set; in response to determining that the first hand has been changed from the first gesture to a second gesture corresponding to a first letter set among the at least one letter set, showing a subset of the first letter set, wherein the subset of the first letter set comprises at least one letter; in response to determining that a first letter among the at least one letter of the subset of the first letter set has been chosen, inputting the first letter.

Abstract: A base for roller skates includes a skeleton and a reinforcing shell. The skeleton is made of a first material through one-time processing and is formed with a plurality of hollow areas. The reinforcing shell includes a plurality of inlaid structures respectively embedded in the hollow areas is directly disposed on the skeleton by injection molding with a second material. The second material is different from the first material. Two roller frame mounting hole sets on the base for roller skates are directly formed by the skeleton, and a brake block mounting hole and a treading platform on the base for roller skates are formed by the reinforcing shell. The base for roller skates is not made of single metal material like prior arts, making it capable of reducing fracture due to the hard and brittle characteristics of the material used in prior art.

Abstract: A ceramic material includes zirconia toughened alumina (ZTA) doped with scandium (Sc) ions. ZTA can be further doped with other metal ions, and the other metal ions include cobalt (Co) ions, chromium (Cr) ions, zinc (Zn) ions, titanium (Ti) ions, manganese (Mn) ions, nickel (Ni) ions, or a combination thereof. The ceramic material can be used as a ceramic object, such as a wire bonding capillary, a heat dissipation plate, a denture tooth, orthopedic implants, direct bonded copper, or a high-temperature co-fired ceramic.

Abstract: A test device is provided, including: a test member, including a receive portion and a first connection portion, the receive portion including a receive groove and a wall portion formed the receive groove; a moving member, inserted into the receive groove, being rotatable and movable in an axial direction to the test member, including a second connection portion; a sample collection member, formed of deformed absorption material, disposed on the moving member and disposed within the receive groove; wherein when the moving member is rotated relatively to the test member, the at least one protruding structure is moved along the at least one spiral guiding slot to move the sample collection member to rotatably axially squeeze the wall portion.

Abstract: A computer-implemented method according to one embodiment includes running an initial network on a plurality of images to detect actors pictured therein and body joints of the detected actors. The method further includes running fully-connected networks in parallel, one fully-connected network for each of the detected actors, to reconstruct complete three-dimensional poses of the actors. Sequential model fitting is performed on the plurality of images. The sequential model fitting is based on results of running the initial network and the fully-connected networks. The method further includes determining, based on the sequential model fitting, a locational position for a camera in which the camera has a view of a possible point of collision of two or more of the actors. The camera is instructed to be positioned in the locational position.

Abstract: A device for stabilizing an image-capturing device against trembling and shaking includes a chip, an image sensor, a first connector, and a second connector. The image sensor collects light and converts same into an electrical signal. The first connector is used for receiving the electrical signal. The second connector is used for electrically coupling the first connector and the chip, wherein the second connector transmits the electrical signal to the chip. The stabilizing device is elastically suspended in place and tremors and shakes on the part of the stabilizing device are cancelled as they occur by reverse displacement based on magnetism and as controlled by Hall effect sensors. The chip can output control signal to the second connector, the second connector transmits the control signal to the first connector, the first connector transmits the control signal to the image sensor to control state of the image sensor.

Abstract: A generator control system is coupled to a motor generator. The system includes a DC port, a first switch unit, a DC bus, a first power conversion circuit, a second power conversion circuit, and a second switch unit. The first power conversion circuit has a first side coupled to the DC bus and a second side coupled to the first switch unit. The second power conversion circuit has a first side coupled to the DC bus and a second side coupled to the motor generator. One end of the second switch unit is coupled to the first power conversion circuit and the first switch unit, and the other end of the second switch unit is coupled to the DC port.

Abstract: The invention provides a base for roller skates comprises a skeleton and a reinforcing shell. The skeleton is made of a first material through one-time processing and is formed with a plurality of hollow areas. The reinforcing shell including a plurality of inlaid structures respectively embedded in the hollow areas is directly disposed on the skeleton by injection molding with a second material. The second material is different from the first material. Two roller sets of frame mounting hole on the base for roller skates are directly formed by the skeleton, and a brake block mounting hole and a treading platform on the base for roller skates are formed by the reinforcing shell. The base for roller skates is not made of single metal material like prior arts, making it capable of reducing fracture due to the hard and brittle characteristics of the material used on prior arts.