Abstract: A device including a first circuit, a second circuit. The first circuit to receive a first signal, a second signal, and a third signal, and the first circuit to provide a fourth signal and a fifth signal. The second circuit to receive the fourth signal and the fifth signal, and the second circuit to control a first set of components to maintain a difference between a first amount of power provided to a first terminal of a driver and a second amount of power provided to a second terminal of the driver or to control a second set of components to maintain the difference between the first amount of power provided to the first terminal of the driver and the second amount of power provided to the second terminal of the driver.

Abstract: The present disclosure provides a protective shell for a multi-point temperature measuring device and a multi-point temperature measuring device. The protective shell includes: a shell body, with one end connected to a connecting base and the other end extending away from the connecting base. A cross-sectional area of an end of the shell body close to the connecting base is larger than a cross-sectional area of the end of the shell body away from the connecting body; the shell body is provided with a plurality of channels for extending temperature measuring elements; and ends of any two of the plurality of channels away from the connecting base are at different distances from the connecting base. The non-interfering channels ensure proper operation of the temperature measuring elements. The simple structure facilitates disassembly and replacement, enabling accurate and fast temperature detection at different positions.

Abstract: An example integrated circuit (IC) includes a semiconductor substrate having a first well and a second well; a first resistor disposed on the semiconductor substrate over the first well within a boundary thereof; a second resistor disposed on the semiconductor substrate over the second well within a boundary thereof, the boundary of the second well disjoint from the boundary of the first well; and a first contact to bias the semiconductor substrate at a first voltage, a second contact to bias the first well at a second voltage, and a third contact to bias the second well at a third voltage.

Abstract: A device including a first circuit, a second circuit, and a third circuit. The first circuit to receive a first signal and a second signal, and the first circuit to provide a third signal. The second circuit to receive a fourth signal and a fifth signal, and the second circuit to provide a sixth signal. The third circuit to receive the third signal and the sixth signal, and the third circuit to provide a seventh signal to indicate whether to track a difference between an amount of voltage provide to a driver and an amount of voltage provided by the driver or track a difference between an amount of voltage provided by a source and the amount of voltage provided to the driver.

Abstract: A fast calibration test system and method for a phased-array antenna, which belongs to the technical field of antenna measurement, relates to a near-field test system, and relates in particular to the fast calibration and a directional diagram test on a phased-array antenna.

Abstract: A device including a first circuit, a second circuit, and a third circuit. The first circuit to receive a first signal and a second signal, and the first circuit to provide a third signal. The second circuit to receive a fourth signal and a fifth signal, and the second circuit to provide a sixth signal. The third circuit to receive the third signal and the sixth signal, and the third circuit to provide a seventh signal to indicate whether to track a difference between an amount of voltage provide to a driver and an amount of voltage provided by the driver or track a difference between an amount of voltage provided by a source and the amount of voltage provided to the driver.

Abstract: This application provides a power conversion apparatus and an insulation impedance detection method. The insulation impedance detection circuit is connected to the direct current bus and the ground, and the isolation switch is connected to the insulation impedance detection circuit and the alternating current voltage detection circuit. The controller is configured to control the isolation switch to be turned on, and control the insulation impedance detection circuit to detect a voltage between the direct current bus and the ground, to obtain an insulation impedance based on the voltage. The controller is further configured to control the isolation switch to be turned off before controlling the insulation impedance detection circuit to detect the voltage, to protect a person from suffering an electric shock and hand numbness due to touching the output end of the inverter circuit.

Abstract: A circuit includes a driver to provide a voltage at a node of a load and a first circuit to facilitate determining a load current at the node. The load is a capacitive load and the first circuit facilitates determining the load current by measuring a replica current and determining a capacitance of the load using values of the voltage and the replica current.

Abstract: A plurality of motion parameters is determined from a simulated object mesh. The plurality of motion parameters indicates movement speed information of a virtual character, a deformation rate of an object, and a deformation region size of the object. Based on a first audio parameter control and the plurality of motion parameters, a friction sound is obtained from a friction audio database that includes a plurality of sample friction sounds. The first audio parameter control is configured to control characteristics of the friction sound. Based on a second audio parameter control and the plurality of motion parameters, a crumpling sound is obtained from a crumpling audio database that includes a plurality of sample crumpling sounds, and the second audio parameter control is configured to control characteristics of the crumpling sound.

Abstract: A device including a first circuit, a second circuit. The first circuit to receive a first signal, a second signal, and a third signal, and the first circuit to provide a fourth signal and a fifth signal. The second circuit to receive the fourth signal and the fifth signal, and the second circuit to control a first set of components to maintain a difference between a first amount of power provided to a first terminal of a driver and a second amount of power provided to a second terminal of the driver or to control a second set of components to maintain the difference between the first amount of power provided to the first terminal of the driver and the second amount of power provided to the second terminal of the driver.

Abstract: A device including a first circuit, a second circuit, and a third circuit. The first circuit to receive a first signal and a second signal, and the first circuit to provide a third signal. The second circuit to receive a fourth signal and a fifth signal, and the second circuit to provide a sixth signal. The third circuit to receive the third signal and the sixth signal, and the third circuit to provide a seventh signal to indicate whether to track a difference between an amount of voltage provide to a driver and an amount of voltage provided by the driver or track a difference between an amount of voltage provided by a source and the amount of voltage provided to the driver.

Abstract: A circuit includes a driver to provide a voltage at a node of a load and a first circuit to facilitate determining a load current at the node. The load is a capacitive load and the first circuit facilitates determining the load current by measuring a replica current and determining a capacitance of the load using values of the voltage and the replica current.

Abstract: A fast calibration test system and method for a phased-array antenna, which belongs to the technical field of antenna measurement, relates to a near-field test system, and relates in particular to the fast calibration and a directional diagram test on a phased-array antenna.

Abstract: The present invention provides a composite static rotary table and a method for protecting a composite static rotary table. The composite static rotary table comprises: a housing body provided with a mounting space; a rotary table body driven by a connecting mandrel to rotate; a base, the connecting mandrel being arranged through the base; an air stopping film arranged between the rotary table body and the base; and an auxiliary supporting assembly fixedly arranged in the mounting space and configured for assisting the rotary table body to be levitated relative to the base. The present invention is intended to solve the problem of ensuring the stable non-contact rotation of the rotary body of the rotary table relative to the base, while improving the bearing capacity of the rotary table.

Abstract: A charger, a soft-start method, an electric vehicle, and a charging system. The charger includes a control module, a DC-DC conversion circuit, and a first capacitor. When the electric vehicle is charged, the control module in the charger may first control the DC-DC conversion circuit to charge the first capacitor by using battery electric energy output by a battery system, and after determining that a capacitance voltage of the first capacitor reaches a first threshold voltage, indicate a charging pile to output charging electric energy. A soft-start circuit does not need to be disposed in a soft-start process of the charger, which helps simplify a circuit of the charger and implement a miniaturization design of the charger.

Abstract: Systems and methods for upgrading the firmware of a wireless communication device (202). A wireless communication device (202) may comprise a first processor (204) and a first memory (206) configured to receive monitored data from one or more sensors (210), and wirelessly communicate the received monitored data.

Abstract: According to one aspect of the present disclosure, there is provided an apparatus that includes a battery, a Direct Current (DC) bus connected to the battery, and a DC to DC converter connected to the battery in parallel with the DC bus. A Motor Control Unit (MCU) is connected between the DC to DC converter and an electric motor. An Alternating Current (AC) port is connected to the electric motor. Switches connect the DC bus and an output of the DC to DC converter in series as an input to the MCU in a drive mode and disconnect the DC bus from the MCU in a charge mode.

Abstract: A power conversion module, a vehicle-mounted charger, and an electric vehicle may be used in the field of new energy vehicles. The power conversion module includes a power factor correction PFC module and a first direct current-direct current DC-DC converter. A first primary circuit of the first DC-DC converter has a first bridge arm, a second bridge arm, a third bridge arm, and a fourth bridge arm. A first switch is disposed between the first bridge arm and an inductor at an interface of the PFC module, and a second switch is disposed between the third bridge arm and another interface of the PFC module.

Abstract: Systems and methods for upgrading the firmware of a wireless communication device (202). A wireless communication device (202) may comprise a first processor (204) and a first memory (206) configured to receive monitored data from one or more sensors (210), and wirelessly communicate the received monitored data.

Abstract: According to one aspect of the present disclosure, there is provided an apparatus that includes a battery, a Direct Current (DC) bus connected to the battery, and a DC to DC converter connected to the battery in parallel with the DC bus. A Motor Control Unit (MCU) is connected between the DC to DC converter and an electric motor. An Alternating Current (AC) port is connected to the electric motor. Switches connect the DC bus and an output of the DC to DC converter in series as an input to the MCU in a drive mode and disconnect the DC bus from the MCU in a charge mode.