Abstract: Systems, apparatuses and methods may provide for technology that sets a write protection flag in a guest command buffer associated with a virtual machine and injects a semaphore command into a shadow command buffer in response to a fault. The fault is to correspond to a write of a graphics command to the guest command buffer by code executing in graphics hardware. In one example, the technology also conducts a security scan of the graphics command in response to a context switch in the graphics hardware, wherein the context switch is to be associated with the semaphore command.

Abstract: In accordance with an embodiment, a power supply circuit configured to be coupled to a power amplifier that includes a driving-stage power amplifier and an output-stage power amplifier. The power amplifier is configured to amplify a power of a radio frequency signal, the driving-stage power amplifier is configured to receive the radio frequency signal, and the output-stage power amplifier is configured to receive a radio frequency signal amplified by the driving-stage power amplifier. The power supply circuit includes: a charge pump configured to supply power to the driving-stage power amplifier; and an envelope tracker configured to supply power to the output-stage power amplifier, wherein the charge pump and the envelope tracker are configured to supply power to the power amplifier.

Abstract: An embodiment of a semiconductor package apparatus may include technology to manage one or more virtual graphic processor units, and co-schedule the one or more virtual graphic processor units based on both general processor instructions and graphics processor instructions. Other embodiments are disclosed and claimed.

Abstract: This application provides a blood oxygen detection method with multiple photoelectric detectors connected in parallel. The method includes: An electronic device determines, based on a plurality of pieces of detection data, a category of a scenario in which the electronic device currently performs blood oxygen detection, where the detection data is used for describing whether detection currents output by corresponding photoelectric detectors are abnormal, or the detection data is used for describing a current wearing state of the electronic device; and determines, based on the scenario category, to perform calculation based on a detection current output by at least one of the multiple PDs to obtain oxygen saturation.

Abstract: A data transmission method, a device, a network system, and a storage medium. According to the method, a PCIe request end requests an application scenario of a data fragment from a PCIe destination end according to a Non-Posted data transmission mode; and on a PCIe link, the Non-Posted data transmission mode is converted, without the perception of the PCIe request end and PCIe destination end, into a Posted data transmission mode by means of pre-reading, so that the delay of the PCIe link is reduced, and the utilization of bandwidth of the PCIe link is improved.

Abstract: A method for periodically measuring blood oxygen saturation is disclosed. The electronic device includes a red light R path and an infrared light IR path, and the R path and the IR path each include a light emitting source and a photoelectric detector. The method includes: The electronic device receives a first instruction indicating to periodically measure blood oxygen saturation; performs, in response to the first instruction, dimming in a first blood oxygen measurement period if a user changes from a non-sleep state to a sleep state, where the dimming is used to determine that a light emitting power of the light emitting source of the R path and a light emitting power of the light emitting source of the IR path are respectively a first power and a second power.

Abstract: Embodiments of this application disclose a communication circuit, including: a shared radio frequency circuit, a baseband processing circuit, and an antenna. The antenna is configured to receive and send a first-mode signal and a second-mode signal. The shared radio frequency circuit is coupled between the baseband processing circuit and the antenna, and the shared radio frequency circuit is configured to process the first-mode signal and the second-mode signal in a time-division manner. The shared radio frequency circuit includes a slave control interface, and the baseband processing circuit includes a master control interface. The master control interface is coupled to the slave control interface by using a control bus, and is used for configuring the shared radio frequency circuit to process the first-mode signal and the second-mode signal in the time-division manner.

Abstract: The online detection system for type identification and activity measurement of radiations in gas or liquid is provided, which can capture the light signals generated by different radiations in real time, and convert the light signals into the electrical signals, so as to realize the online type identification and activity measurement of the radiations based on the waveforms and the time information of the electrical signals of the different radiations. In addition, based on the characteristic that different radiations have different penetration capabilities, the inner-outer two-layer activity measurement structure is designed, which can discriminate the radiations with the same waveform. Therefore, the present disclosure simplifies the radiation activity measurement process, thereby greatly improving the efficiency of the radiation activity measurement.

Abstract: This application provides an operational amplifier that increases the stability and settling speed of a common-mode feedback circuit. The operational amplifier includes N stages of amplifiers connected in series and M common-mode feedback circuits, where N and M are integers, N?3, and N?M>1. An ith common-mode feedback circuit in the M common-mode feedback circuits is configured to: detect a common-mode output voltage of a (j+b)th stage of amplifier, and regulate an electrical parameter of at least one of the jth stage of amplifier to the (j+b)th stage of amplifier, to stabilize the common-mode output voltage of the (j+b)th stage of amplifier. An Mth common-mode feedback circuit is configured to detect and stabilize a common-mode output voltage of an Nth stage of amplifier. Herein i, j, and b are integers, M?i?1, N?j?1, i?j, j+b?N, and b?0.

Abstract: The present application discloses a voice device, an interaction method of the voice device, a device and a storage medium, where the interaction method is applied to the voice device, the voice device is in communicational connection with a control device, and the interaction method includes: in response to a received wake-up message, starting a first target application indicated by the wake-up message; in response to received operation data of a user sent by the control device, generating a first control instruction according to the operation data of the user; controlling, according to the first control instruction, the first target application to perform an operation indicated by the first control instruction. As a result, remote control of the first target application of the voice device by a user is achieved, and the remote operation scenario of the voice device is also realized.

Abstract: This application provides an operational amplifier and a start-up circuit of the operational amplifier. The start-up circuit has advantages of simple structure and low power consumption. The operational amplifier includes a multi-stage amplifier and a start-up circuit, where the start-up circuit includes: a first start-up transistor M16 and a second start-up transistor M17, a source of the first start-up transistor M16 and a source of the second start-up transistor M17 are connected to a tail bias node of a first-stage amplifier in the multi-stage amplifier, a gate of the first start-up transistor M16 and a gate of the second start-up transistor M17 are configured to connect to a first bias voltage Vb, and a drain of the first start-up transistor M16 and a drain of the second start-up transistor M17 are connected to input terminals of a second-stage or higher-stage amplifier.

Abstract: An apparatus and method for scheduling workloads across virtualized graphics processors. For example, one embodiment of a graphics processing apparatus comprises first graphics processing resources to process graphics commands and execute graphics data; workload scheduling circuitry to schedule workloads for execution on the first graphics processing resources; and workload queuing circuitry to implement a local queue to store local workload entries, each local workload entry associated with a locally-submitted workload and an external workload queue to store external workload entries, each external workload entry associated with an externally-submitted workload submitted for execution by an external graphics processing apparatus, in one embodiment, the workload scheduling circuitry schedules the locally-submitted workloads identified in the local queue and externally-submitted workloads identified in the external workload queue for processing by specified portions of the first graphics processing resources.

Abstract: Systems, apparatuses and methods may provide for technology that sets a write protection flag in a guest command buffer associated with a virtual machine and injects a semaphore command into a shadow command buffer in response to a fault. The fault is to correspond to a write of a graphics command to the guest command buffer by code executing in graphics hardware. In one example, the technology also conducts a security scan of the graphics command in response to a context switch in the graphics hardware, wherein the context switch is to be associated with the semaphore command.

Abstract: An embodiment of a semiconductor package apparatus may include technology to manage one or more virtual graphic processor units, and co-schedule the one or more virtual graphic processor units based on both general processor instructions and graphics processor instructions. Other embodiments are disclosed and claimed.

Abstract: A diversity receiver and a terminal are provided. The diversity receiver includes a first main channel and a first diversity channel, the first main channel includes an antenna diplexer and a first main transmission channel, and the first diversity channel includes a tunable bandpass filter and a first diversity receiving channel. The first diversity receiving channel is coupled to a diversity antenna by using the tunable bandpass filter, and the tunable bandpass filter is configured to: adjust a passband bandwidth of the tunable bandpass filter according to a band bandwidth of a first transmit signal generated by the first main transmission channel and a band bandwidth of a first receive signal received from the diversity antenna, and perform bandpass filtering based on the passband bandwidth on the first receive signal.

Abstract: The present application discloses a voice device, an interaction method of the voice device, a device and a storage medium, where the interaction method is applied to the voice device, the voice device is in communicational connection with a control device, and the interaction method includes: in response to a received wake-up message, starting a first target application indicated by the wake-up message; in response to received operation data of a user sent by the control device, generating a first control instruction according to the operation data of the user; controlling, according to the first control instruction, the first target application to perform an operation indicated by the first control instruction. As a result, remote control of the first target application of the voice device by a user is achieved, and the remote operation scenario of the voice device is also realized.

Abstract: The present application discloses a diversity receiver and a terminal. The diversity receiver includes a first main channel and a first diversity channel, the first main channel includes an antenna diplexer and a first main transmission channel, and the first diversity channel includes a tunable bandpass filter and a first diversity receiving channel. The first diversity receiving channel is coupled to a diversity antenna by using the tunable bandpass filter, and the tunable bandpass filter is configured to: adjust a passband bandwidth of the tunable bandpass filter according to a band bandwidth of a first transmit signal generated by the first main transmission channel and a band bandwidth of a first receive signal received from the diversity antenna, and perform bandpass filtering based on the passband bandwidth on the first receive signal.

Abstract: The present application discloses a diversity receiver and a terminal. The diversity receiver includes a first main channel and a first diversity channel, the first main channel includes an antenna diplexer and a first main transmission channel, and the first diversity channel includes a tunable bandpass filter and a first diversity receiving channel. The first diversity receiving channel is coupled to a diversity antenna by using the tunable bandpass filter, and the tunable bandpass filter is configured to: adjust a passband bandwidth of the tunable bandpass filter according to a band bandwidth of a first transmit signal generated by the first main transmission channel and a band bandwidth of a first receive signal received from the diversity antenna, and perform bandpass filtering based on the passband bandwidth on the first receive signal.

Abstract: The present application discloses a diversity receiver and a terminal. The diversity receiver includes a first main channel and a first diversity channel, the first main channel includes an antenna diplexer and a first main transmission channel, and the first diversity channel includes a tunable bandpass filter and a first diversity receiving channel. The first diversity receiving channel is coupled to a diversity antenna by using the tunable bandpass filter, and the tunable bandpass filter is configured to: adjust a passband bandwidth of the tunable bandpass filter according to a band bandwidth of a first transmit signal generated by the first main transmission channel and a band bandwidth of a first receive signal received from the diversity antenna, and perform bandpass filtering based on the passband bandwidth on the first receive signal.

Abstract: The present application discloses a diversity receiver and a terminal. The diversity receiver includes a first main channel and a first diversity channel, the first main channel includes an antenna diplexer and a first main transmission channel, and the first diversity channel includes a tunable bandpass filter and a first diversity receiving channel. The first diversity receiving channel is coupled to a diversity antenna by using the tunable bandpass filter, and the tunable bandpass filter is configured to: adjust a passband bandwidth of the tunable bandpass filter according to a band bandwidth of a first transmit signal generated by the first main transmission channel and a band bandwidth of a first receive signal received from the diversity antenna, and perform bandpass filtering based on the passband bandwidth on the first receive signal.