Abstract: Provided are an epitaxial structure and a semiconductor chip applying same. The epitaxial structure comprises a quantum well structure, a P-type contact layer, and an electrode layer, which are stacked in sequence; the P-type contact layer comprises a first step part and a second step part that are disposed in a step shape, the second step part being closer to the quantum well structure relative to the first step part; the first step part and the second step part are filled with a first insulation part. By means of the described method, the anti-catastrophic optical mirror damage value of a semiconductor chip can be effectively improved.

Abstract: An image capture device is disclosed that includes a body defining a peripheral cavity and a door assembly that is movable between an open position and a closed position to close and seal the peripheral cavity. The door assembly includes a door body; a slider that is supported by the door body for axial movement between a first position and a second position; a biasing member that is configured for engagement (contact) with the slider; a door lock including a stop that is configured for engagement (contact) with the biasing member; and a sealing member that is fixedly connected to the door lock.

Abstract: A variable-current trans-impedance amplifier (TIA) for an ultrasound device is described. The TIA may be coupled to an ultrasonic transducer to amplify an output signal of the ultrasonic transducer representing an ultrasound signal received by the ultrasonic transducer. During acquisition of the ultrasound signal by the ultrasonic transducer, one or more current sources in the TIA may be varied. The variable-current trans-impedance amplifier may include multiple stages, including a first stage having N-P transistor pairs configured to receive an input signal and produce a single-ended amplified signal.

Abstract: A paper tube making apparatus includes a fixed rod, a paper tape winding mechanism, a glue applying device, a length measurement unit, and a hot airflow generation unit. The length measurement unit measures a conveying speed of a paper tape, and the glue applying device is operable to coat glue on the paper tape. The hot airflow generation unit is located downstream of the length measurement unit and the glue applying device and is operable to adjust the flow rate and temperature of a hot airflow according to the conveying speed of the paper tape. The hot airflow generation unit blows the hot airflow generated thereby toward the paper tape to control the extent of drying of the glue, so that the extent of drying of glue coated on the paper tape is not affected by the environment temperature and humidity and the quality of the paper tube so fabricated is enhanced.

Abstract: A tensor accelerator includes two tile execution units and a bidirectional queue. Each of the tile execution units includes a buffer, a plurality of arithmetic logic units, a network, and a selector. The buffer includes a plurality of memory cells. The network is coupled to the plurality of memory cells. The selector is coupled to the network and the plurality of arithmetic logic units. The bidirectional queue is coupled between the selectors of the tile execution units.

Abstract: An apparatus and a method for testing combined dynamic-static loading strength of a rock-like material are provided. The apparatus and the method can test the combined dynamic-static loading strength of the rock-like material. The apparatus comprises an explosion load loading device, a static load loading device, and a stress wave rod transferring device. The explosion load loading device is connected with one end of the stress wave rod transferring device. The stress wave rod transferring device is connected with a rock-like material specimen. The stress wave rod transferring device is connected with the static load loading device.

Abstract: Heterocyclic compounds of the general structure (I) below with substituents as defined herein, and materials including one or more such compounds, preferably emitter materials, may be used for an organic electroluminescence device. An organic electroluminescence device may include one or more such specific heterocyclic compounds, as may electronic equipment and a light emitting layer further having at least one host and at least one dopant, wherein the dopant may have at least one of the specific heterocyclic compounds.

Abstract: An apparatus and a method for testing combined dynamic-static loading strength of a rock-like material are provided. The apparatus and the method can test the combined dynamic-static loading strength of the rock-like material. The apparatus comprises an explosion load loading device, a static load loading device, and a stress wave rod transferring device. The explosion load loading device is connected with one end of the stress wave rod transferring device. The stress wave rod transferring device is connected with a rock-like material specimen. The stress wave rod transferring device is connected with the static load loading device.

Abstract: Examples of devices having a quarter-wavelength antenna are described herein. In an example, a device may include a chassis and a quarter-wavelength antenna. The quarter-wavelength antenna includes a resonant path electrically connected the chassis.

Abstract: A high-speed circuit with a high-voltage (HV) driver circuit. The high-speed circuit has a driver circuit and a level shifter. The driver circuit includes HV components which are operated in an HV domain. The level shifter includes low-voltage (LV) components which are operated in an LV domain. The level shifter translates signals from the LV domain to the HV domain to generate control signals for the driver circuit. The high-speed circuit may include a protection voltage generator converting a power supply voltage and a power ground voltage to generate a first direct-current bias voltage (VBP) and a second direct-current bias voltage (VBN) to bias the LV components of the level shifter. The LV components of the level shifter include input transistors and protection transistors. Gate voltages of the protection transistors may be tied to VBP or VBN.

Abstract: A nanocomposite layer includes a carbon nanotube composite material and a lithium salt polymer composite. The carbon nanotube composite material includes a surface modified carbon nanotube with a positively charged group and a plurality of nanoparticles with a negatively charged group. The plurality of nanoparticles are attached to the surface modified carbon nanotube. The lithium salt polymer composite wraps the carbon nanotube composite material, and includes a first polymer, a second polymer, and a lithium salt.

Abstract: A power conversion apparatus. An additional heat capacity apparatus thereof is connected to a heating body by means of a low-heat-resistance channel, and the heat capacity of the heating body is increased, so that a temperature rise rate of the heating body can be reduced when the temperature of the heating body rapidly rises due to large transient loss, thereby lowering the temperature of the heating body at the end of the short-time peak working condition, and ensuring the reliability of a device. Moreover, a high-performance switch tube or more switch tubes connected in parallel are not required to be used as in the prior art, so that the size and the weight of the system are reduced, and the costs are saved.

Abstract: Embodiments of the present disclosure provide a winder system that includes a battery winder and a camera apparatus. The battery winder is configured to wind a positive electrode plate and a negative electrode plate of a battery. The camera apparatus includes: a camera and a lens, where an angle between a sensor target plane of the camera and a lens plane of the lens is a predetermined angle, and the predetermined angle is greater than 0 degree and less than or equal to 20 degrees. The camera apparatus is configured to obtain images of the positive electrode plate and images of the negative electrode plate concurrently. The camera apparatus according to the present disclosure can implement focusing of images on different working planes, thereby obtaining clear images of both positive electrode features and negative electrode features concurrently with a single camera.

Abstract: A method for generating reconstruction a reconstructed image is adapted to an input image having a target object. The method comprises converting the input image into a feature map with vectors by an encoder; performing a training procedure according to training images of reference objects to generate feature prototypes associated with the training images and store the feature prototypes to a memory; selecting a part of feature prototypes from the feature prototypes stored in the memory according to similarities between the feature prototypes and the feature vectors; generating a similar feature map according the part of feature prototypes and weights, wherein the weights represents similarities between the part of feature prototypes and the feature vectors; and converting the similar feature map into the reconstructed image by a decoder; wherein the encoder, the decoder and the memory form an auto-encoder.

Abstract: A training apparatus used for model training on a neural network in the field of artificial intelligence (AI) is disclosed. The training apparatus includes a plurality of accelerators. In a parallel processing process in which the training apparatus trains a neural network model using the plurality of accelerators, a complete weight coefficient of the neural network model is stored in the plurality of accelerators in the training apparatus in a distributed manner. Weight coefficients of the plurality of accelerators are subsequently added to obtain the complete weight coefficient. The neural network model is further trained on each accelerator based on different input data and the complete weight coefficient. Thus, the complete weight coefficient is stored in the plurality of accelerators in the training apparatus in a distributed manner, to reduce video random access memory (RAM) consumption of the training apparatus in a training process of the neural network model.

Abstract: Various embodiments set forth a computer-implemented method for processing media files comprising receiving an index file corresponding to a source media file, wherein the index file indicates location information associated with a plurality of encoded portions of the source media file; retrieving one or more encoded portions included in the plurality of encoded portions from at least one storage device based on the index file; and generating at least part of an encoded version of the source media file based on the one or more encoded portions.

Abstract: An illumination power circuit with a dimming function and an associated control method thereof are provided, where the illumination power circuit includes a first conversion circuit, a digital controller and a second conversion circuit. The first conversion circuit converts a first analog dimming signal from an analog dimmer into a first digital dimming signal, where the analog dimmer generates the first analog dimming signal according to operations of a user, to allow the user to manually control brightness of an illumination device. The digital controller receives the first digital dimming signal and a control signal from a computer, and generates at least one final dimming signal according to the first digital dimming signal and the control signal. In addition, the second conversion circuit generates a direct current output signal according to the final dimming signal, for driving the illumination device.

Abstract: A method for establishing a complex motion controller includes following steps: obtaining a source controller and a destination controller, wherein the source controller is configured to generate a source motion, and the destination controller is configured to generate a destination motion; determining a transition tensor between the source controller and the destination controller, wherein the transition tensor has a plurality of indices, one of the plurality of indices corresponds to a plurality of phases of the source motion; calculating a plurality of transition outcomes of the transition tensor and recording the plurality of transition outcomes according to the plurality of indices; calculating a plurality of transition qualities according to the plurality of transition outcomes; and searching for an optimal transition quality from the plurality of transition qualities to establish a complex motion controller for generating a complex motion corresponding to one of the plurality of phases.

Abstract: A data transmission cable (100) includes: a signal bundle (110), where the signal bundle (110) includes at least three signal cables, the at least three signal cables are disposed at intervals, pairwise signal cables form a differential pair signal cable, and the differential pair signal cable is used to transmit a differential data signal; a ground cable (120), where the ground cable (120) encircles and covers the signal bundle (110), and the ground cable (120) is used to transmit a ground signal and isolate the signal bundle (110) from a signal bundle (110) of another data transmission cable (100); and a filling medium (130), where the filling medium (130) is disposed in space on an inner side of the ground cable (120) except the signal cable ,so that a problem that a MIPI bus has poor transmission quality and a short transmission distance can be resolved.

Abstract: A liquid crystal display apparatus is provided. The liquid crystal display apparatus comprises a backplane having a second step portion and a first step portion used for supporting a liquid crystal panel, that is, the assembly of optical parts such as a light homogenizing element and an optical film to the liquid crystal panel is implemented in the present application via the backplane without a middle frame.