Abstract: An electronic device and a bioelectrical signal acquisition method are provided. The electronic device includes a rear housing, a plurality of first contact electrodes, and a plurality of second contact electrodes. A first contact area and a second contact area are distributed on the rear housing. The plurality of first contact electrodes/second contact electrodes are spaced on the rear housing respectively and electrically connected to each other. The first contact electrode and the second contact electrode are used for contacting with the skin respectively to form a bioelectrical signal acquisition circuit. At least one first contact electrode and at least one second contact electrode are distributed in the first contact area, and at least one first contact electrode and at least one second contact electrode are distributed in the second contact area.

Abstract: A frequency synthesizer system is provided. The frequency synthesizer system includes a signal source, at least one mixer, at least one local oscillator, and a band combiner. The signal source generates a chirp signal having a limited tuning range. The mixer receives the chirp signal from the signal source and a local oscillator signal and performs frequency conversion on the chirp signal to generate a frequency-converted chirp signal. The local oscillator is configured to generate the local oscillator signal. The band combiner receives: a first chirp signal derived from the signal source without being processed by the mixer; and a second chirp signal generated by the mixer through frequency conversion of the chirp signal. The band combiner combines the first chirp signal and the second chirp signal to generate a combined output chirp signal having an extended effective bandwidth relative to the chirp signal generated by the signal source.

Abstract: The present application provides an organic light emitting diode (OLED) display panel and an OLED device. The OLED display panel includes dummy traces disposed on a side of the anode adjacent to the signal traces. At least one of the fanout traces and at least one of the dummy traces are disposed corresponding to a position where the anode is disposed. Each of the fanout traces passing through each of the subpixels and each of the dummy traces passing through each of the subpixels are both symmetrical about a center of the anode of each of the subpixels, so as to improve uniformity of traces in the display area and improve flatness and symmetry of the anode, thereby improving display defect of the display panel.

Abstract: Technologies related to computer-implemented conditional language models (CLMs) are described. A first CLM is trained to generate output texts based upon input texts and conditions. Output texts generated by the first CLM are included in a training set, and a second CLM is trained based upon the training set. The second CLM is then configured to receive input text and a condition and generate an output text based upon the input text and the condition.

Abstract: A welding inspection method comprises: when a battery cell on a turntable reaches an inspection station, a controller controls a lifting mechanism on the turntable to execute a lifting operation to lift the battery cell to a preset height, and sends an image acquisition signal to an image acquisition system; in response to the image acquisition signal, the image acquisition system performs image acquisition on a welding area of the battery cell located at the preset height to obtain an acquired image, and sends the acquired image to an industrial personal computer; and the industrial personal computer performs welding inspection on the acquired image to obtain a welding inspection result of the battery cell, wherein the welding inspection at least comprises inspecting a welding bead area of the battery cell on the acquired image.

Abstract: An electrical connection for a vehicle and methods of forming an electrical connection for a vehicle. The electrical connection includes a first electrical component including a first joining area. The electrical connection also includes a conductor including a second joining area. The conductor is joined at the second joining area to the first joining area of the first electrical component. In addition, the electrical connection includes a fusion zone formed in the first electrical component in the first joining area. The conductor includes a copper-graphene multilayer composite formed on the surface of the conductor, the composite including at least one of the following composite structures: a) alternating layers of graphene and copper deposited on the substrate, b) graphene particles dispersed in a copper matrix, and c) alternating layers of graphene and copper deposited on a copper foil, wherein the copper foil is wrapped around the substrate.

Abstract: Methods and systems are described configured to generate and distribute content over a network and cause the content to be rendered on one or more devices. A computer system may comprise a processing device comprising one or more arrays of tensor cores, matrix multipliers, and/or SIMD (Single Instruction, Multiple Data) units. The processing device may comprise a dataflow or systolic array architecture. The computer system receives and segments text. Claims may be extracted and may be determined to be conclusion or premise claims. A graph structure may be generated reflecting the relationship between the claims. A characteristic of respective claims may be determined. Using the characteristic, a determination may be made as to whether additional content is to be rendered in association with a given claim. In response to such a determination, additional content may be caused to be rendered on a device adjacent to the given claim.

Abstract: Disclosed is a polymer composition comprising at least the following components: A) 75 to 95.5 wt.-% based on the overall weight of the polymer composition of a polymer blend, comprising polypropylene and polyethylene and wherein A) is a recycled material; (B) 4.5 to 25 wt.-% based on the overall weight of the polymer composition of a virgin ethylene alkyl (meth)acrylate having MFR2 (190° C., 2.16 kg) per ISO 1133 from 0.1 to 15 g/10 min; and an alkyl (meth)acrylate content of component B) in the range from 5 to 40 wt.-%; the weight proportions of A) and B) add up to 100 wt.-%. Also disclosed is a process for manufacturing the polymer composition, to the use of (B) for increasing the mechanical properties of polymer blend A).

Abstract: Systems, methods, and devices for forming and implementing a graphene-copper composite powder are disclosed. The graphene-copper composite powder may be formed by providing an inert environment, introducing a first mist to the inert environment, introducing a second mist to the inert environment, and mixing the first mist and the second mist within the inert environment to thereby produce a graphene-copper composite powder. The first mist being atomized copper with a negative charge, and the second mist including graphene flakes with a positive charge. The graphene-copper composite powder may be used to form components via additive manufacturing or traditional powder metallurgy processes.

Abstract: This application provides an optical lens, a photoplethysmograph, and an electronic device. The optical lens includes a light-transmitting substrate and a microlens array. The light-transmitting substrate has a first surface and a second surface opposite to each other. The microlens array is arranged on the first surface, and the microlens array includes a first microlens assembly and a plurality of second microlens assembly arrays. Each of the second microlens assembly arrays includes a plurality of second microlens assemblies arranged around the first microlens assembly in an array. The first microlens assembly and the second microlens assembly each include a first microlens unit and a second microlens array. The second microlens array includes a plurality of second microlenses arranged around the first microlens unit in an array. The optical lens provided in this application is used to reduce a light emitting angle.

Abstract: The present invention provides a column memory circuit, chip, image sensor and imaging device. The column memory circuit includes M×N bank modules, N readout modules and a data transmission module. The column memory circuit further includes correlated double sampling modules arranged in the respective readout modules. Each bank module has a first terminal for receiving a first data signal and a second terminal coupled to a first terminal of an associated one of the readout modules. Each readout module has a second terminal coupled to the data transmission module. The bank modules convert the received first data signals into second data signals, and the readout modules are configured for correlated double sampling processing on the second data signals by the correlated double sampling modules, which produces a third data signal output from the data transmission module.

Abstract: The present invention provides a column circuit, a chip, an image sensor and an imaging device. The column circuit includes M×N bank modules, N readout modules and a data I/O module. A CDS unit of the column circuit is incorporated in the data I/O module. The bank modules receive first data signals, and a second terminal of each bank module is coupled to a first terminal of an associated one of the readout modules. Second terminals of the readout modules are coupled to the data I/O module. The bank modules convert the received first data signals into second data signals, and the readout modules receive the second data signals and send them to the data I/O module. The data I/O module obtains third data signals from CDS processing on the second data signals by the CDS unit therein and outputs the third data signals.

Abstract: The invention provides a semiconductor structure comprising a silicon-on-insulator (SOI) substrate, which comprises a silicon layer and an insulating layer stacked from bottom to top, a phosphosilicate glass (PGS) on the insulating layer, and a fluorosilicate glass (FSG) on the phosphosilicate glass. The probability of ions infiltrating into the transistor can be reduced and the yield of products can be improved.

Abstract: The present disclosure discloses model training systems, methods and apparatuses for executing model training tasks, and media. The management cluster in the model training system can obtain real-time status data of the training cluster when executing the model training task. Through this real-time status data, the status of the training cluster during the execution of the model training task within a future set time period is predicted. The management cluster determines the simulators corresponding to the devices in the training cluster, and initializes the virtual training cluster corresponding to the training cluster through these simulators. Based on the predicted status, the management cluster generates execution strategies for the virtual training cluster, and executes the model training task through virtual training cluster simulation according to at least some of these execution strategies, obtaining performance indicators corresponding to at least some of the execution strategies.

Abstract: A method for processing a log request includes: obtaining, for a write request for log information of each service, a service identifier of the service and a traffic type of the service, where the traffic type is used to indicate a write traffic range of the log information of the service within a preset duration; determining, based on the service identifier and the traffic type of the service, at least one target log server that processes the write request, and determining, based on the service identifier and the traffic type of the service, storage path information of the log information of the service on a log storage unit; and writing, through the at least one target log server, the log information of the service into the log storage unit based on the storage path information.

Abstract: The invention provides for new polymer compounds and methods for the preparation of modular narrow band gap conjugated compounds and polymers that incorporate exocyclic cross-conjugated donors or substituents, as well as novel monomer components of such polymers and the resulting products which comprise materials and useful electronic devices with novel functionality.

Abstract: Disclosed in the present application are a lens focusing method and apparatus, and an electronic device and a computer-readable storage medium. The method comprises: acquiring a target phase difference of a preview image, which is collected by a main camera lens in a macro photographing mode; acquiring a calibration data set corresponding to the macro photographing mode; determining a target current on the basis of a calibration current corresponding to a calibration phase difference which matches the target phase difference; and driving, according to the target current, the main camera lens to perform focusing. By means of the present application, a macro photographing function can be achieved by means of a main camera lens.

Abstract: The present disclosure provides compounds and pharmaceutically acceptable salt thereof, and methods of using the same. The compounds and methods have a range of utilities as therapeutics, diagnostics, and research tools. In particular, the subject compositions and methods are useful for reducing signaling output of oncogenic proteins.

Abstract: Various embodiments of a flexible fiber optic temperature probe are disclosed. In one embodiment, the flexible fiber optic temperature probe includes a plurality of fiber optic elements in optical communication with a temperature sensing sub-assembly, and a flexible jacket surrounding the plurality of fiber optic elements. The flexible jacket is secured to the sensing sub-assembly to prevent relative movement between the flexible jacket and the sensing sub-assembly. The sensing sub-assembly, the flexible jacket and the plurality of fiber optic elements are sized to be inserted into a channel formed in a body (e.g., a semiconductor chamber showerhead) having one or more bends formed therein. The temperature sensing sub-assembly includes at least one sensing element such as a thermographic phosphor element placed in thermal communication with at least one surface or region to be measured.