Abstract: A safety regulation verification method comprises: measuring a first transmitting power of the antenna module at a trigger distance of a proximity sensor of the mobile device; obtaining a power density design target contour based on the first transmitting power at a predetermined distance from the mobile device on a chosen surface; obtaining a distance sensing plane coverage of the proximity sensor at the predetermined distance from the mobile device on the chosen surface; comparing whether the distance sensing plane coverage surrounds the power density design target contour; and when the distance sensing plane coverage of the proximity sensor fails to surround the power density design target contour, adjusting the first transmitting power as a second transmitting power until the distance sensing plane coverage surrounds the power density design target contour.

Abstract: The present invention discloses an RF element group testing system and method. The method comprises steps: adding an identification feature to a first RF signal, which is output by one of the plurality of tested RF elements, to generate an identification RF signal; synthesizing the identification RF signal and a second RF signal, which is output by each of the rest of the tested RF elements, to generate a corresponding synthesis signal; resolving the synthesis signal into the identification RF signal and the corresponding second RF signal according to the identification feature; restoring the identification RF signal into the first RF signal; and calculating at least one signal-feature parameter of the first RF signal and the second RF signal.

Abstract: A moisture-absorbing dry electrode and smart clothing. The moisture-absorbing dry electrode includes a substrate and a moisture-absorbing electrode. The substrate has a surface. The moisture-absorbing electrode includes at least one moisture-absorbing conductive film, and the moisture-absorbing conductive film is used to absorb moisture and disposed on the surface of the substrate. The material of the moisture-absorbing conductive film includes a uniform mixture of carbon paste, a moisture-absorbing material and a cross-linking agent, and the moisture-absorbing material includes a nanomaterial or an inorganic adsorbent material, or a combination thereof.

Abstract: Provided by the present disclosure are a power supply circuit and a charging device. The power supply circuit comprises a pulse transformer circuit and a first power supply conversion circuit. The pulse transformer circuit comprises a pulse transformer and a switch control circuit; a primary winding of the pulse transformer is connected to a power supply and is connected to the switch control circuit, and the switch control circuit is used to modulate the voltage on the primary winding into a pulse voltage; and the input terminal of the first power supply conversion circuit is connected to a secondary winding of the pulse transformer, and is used to transform the voltage on the secondary winding of the pulse transformer into a first preset voltage range when the voltage outputted by the secondary winding exceeds the first preset voltage range, and then output the voltage.

Abstract: A beam management method of an electronic device includes transmitting a detecting signal, receiving a reflecting signal of the detecting signal, determining blocked antennas of an antenna array of the electronic device according to the reflecting signal, and exciting only unblocked antennas of the antenna array. This will improve the radiation efficiency of the antenna array.

Abstract: The voltage conversion circuit includes a first direct-current conversion circuit connected to an electric load, a secondary transformer coil connected to the first direct-current conversion circuit, and a primary transformer coil coupled to the secondary transformer coil. The primary transformer coil is configured to generate, based on an initial voltage inputted to the primary transformer coil, an electromagnetic field and couple the electromagnetic field to the secondary transformer coil. The secondary transformer coil is configured to generate an induced current by virtue of the electromagnetic field, generate a secondary output voltage based on the induced current, and transmit the secondary output voltage to the first direct-current conversion circuit. The first direct-current conversion circuit is configured to adjust, based on a predetermined demand voltage of the electric load, the secondary output voltage to obtain a target voltage.

Abstract: A communication device for detecting an object includes a power module, an antenna array, a first sensor pad, a second sensor pad, and a control unit. The antenna array is excited by the power module, and is configured to provide a first beam group and a second beam group. The first sensor pad is disposed adjacent to the first side of the antenna array. A first capacitance is formed between the first sensor pad and the object. The second sensor pad is disposed adjacent to the second side of the antenna array. A second capacitance is formed between the second sensor pad and the object. The control unit controls the power module according to the first capacitance and the second capacitance, so as to selectively apply at least one power backoff operation to the first beam group and/or the second beam group.

Abstract: An idle time prediction method for a system includes obtaining n idle durations corresponding to n time points, determining if the n idle durations are of a normal distribution, generating a probability according to m idle states corresponding to m idle durations of the n idle durations if the n idle durations are not normally distributed, selecting a predicted idle state according to the probability, and controlling the system to enter the predicted idle state, where n and m are integers larger than one, and m?n.

Abstract: The invention provides an antenna-in-module (AiM) and related method with improved performances. The AiM may comprise a plurality of radiators, port-one terminals and port-two terminals; the port-one and port-two terminals may be coupled to the radiators respectively. The AIM may implement a mode-one wireless communication by excitations of a plurality of phase-shifted versions of a mode-one signal respectively at the plurality of port-one terminals, may implement a mode-two wireless communication by excitations of a plurality of phase-shifted versions of a mode-two signal respectively at the plurality of port-two terminals, and may implement a mode-three wireless communication by simultaneous excitations of a first plurality and a second plurality of phase-shifted versions of a mode-three signal respectively at the plurality of port-one terminals and the plurality of port-two terminals. Polarizations of the mode-one, mode-two and the mode-three wireless communications may be different.

Abstract: The invention describes a system for testing antenna-in-package (AiP) modules and a method for using the same. Firstly, AiP modules respectively receive RF signals from a testing transmitting antenna. Then, at least one of the power and the phase of each of the RF signals is adjusted to generate modulated RF amplified signals as recognition tags with difference. The RF amplified signals are received from each control integrated circuit (IC) and the power of the modulated RF amplified signals is summed to generate a net mixed test signal. Finally, the test signal is received and RF properties corresponding to at least one of the power and the phase of each of the RF amplified signals as recognition tags are obtained. The method can simultaneously test a plurality of AiP modules to shorten the test time.

Abstract: A device for testing a group of radio-frequency (RF) chip modules and a method for using the same is disclosed. The device includes a signal analyzer, a power divider, control ICs, a signal controller, and a power combiner. The power divider receives an RF signal and transmits RF input signals to the RF chip modules and the control ICs in response to the RF signal. The signal controller controls each control IC to adjust at least one of the power and the phase of the corresponding RF input signal, thereby generating an RF output signal. The power combiner receives the RF output signal from each control IC to generate a test signal. The signal analyzer receives the test signal and obtains RF properties corresponding to at least one of the power and the phase of each RF output signal.

Abstract: A virtual consultation method and an electronic device are provided. The method includes: receiving physiological information obtained through sensing a user by a sensing device; analyzing the physiological information to obtain an analysis result; adjusting weights of a plurality of questions according to the analysis result and determining a first question applicable to the user and an order of the first question according to the weights; and outputting the first question according to the order to simulate a question asked by a doctor for the user during consultation.

Abstract: The present invention discloses an RF element group testing system and method. The method comprises steps: adding an identification feature to a first RF signal, which is output by one of the plurality of tested RF elements, to generate an identification RF signal; synthesizing the identification RF signal and a second RF signal, which is output by each of the rest of the tested RF elements, to generate a corresponding synthesis signal; resolving the synthesis signal into the identification RF signal and the corresponding second RF signal according to the identification feature; restoring the identification RF signal into the first RF signal; and calculating at least one signal-feature parameter of the first RF signal and the second RF signal.

Abstract: A communication device for detecting an object includes a power module, an antenna array, a first sensor pad, a second sensor pad, and a control unit. The antenna array is excited by the power module, and is configured to provide a first beam group and a second beam group. The first sensor pad is disposed adjacent to the first side of the antenna array. A first capacitance is formed between the first sensor pad and the object. The second sensor pad is disposed adjacent to the second side of the antenna array. A second capacitance is formed between the second sensor pad and the object. The control unit controls the power module according to the first capacitance and the second capacitance, so as to selectively apply at least one power backoff operation to the first beam group and/or the second beam group.

Abstract: A device for testing a group of radio-frequency (RF) chip modules and a method for using the same is disclosed. The device includes a signal analyzer, a power divider, control ICs, a signal controller, and a power combiner. The power divider receives an RF signal and transmits RF input signals to the RF chip modules and the control ICs in response to the RF signal. The signal controller controls each control IC to adjust at least one of the power and the phase of the corresponding RF input signal, thereby generating an RF output signal. The power combiner receives the RF output signal from each control IC to generate a test signal. The signal analyzer receives the test signal and obtains RF properties corresponding to at least one of the power and the phase of each RF output signal.

Abstract: A system for testing antenna-in-package (AiP) modules and a method for using the same is disclosed. Firstly, AiP modules respectively receive RF signals from a testing transmitting antenna. Then, at least one of the power and the phase of each of the RF signals is adjusted to generate modulated RF amplified signals as recognition tags with difference. The RF amplified signals are received from each control integrated circuit (IC) and the power of the modulated RF amplified signals is summed to generate a net mixed test signal. Finally, the test signal is received and RF properties corresponding to at least one of the power and the phase of each of the RF amplified signals as recognition tags are obtained. The method can simultaneously test a plurality of AiP modules to shorten the test time.

Abstract: An antenna measurement system is configured to measure a radiation field pattern of an AUT fixed on a reference surface. The antenna measurement system includes an articulated robot, a measurement component, and a processor. The articulated robot is seated on a periphery of the reference surface, with a movable end capable of scanning a short-distance area defined by the reference surface. The measurement component is arranged on the movable end of the articulated robot, and a front surface of the measurement component is a specific geometric surface, which is used to face the antenna for radiation measurement. The processor is coupled to the movable end to control the movable end to drive the measurement component to move relative to the antenna along a predefined scanning path, and keep the specific geometric surface facing the antenna during the movement along the scanning path.

Abstract: An information handling system include a serial peripheral interface (SPI) flash memory device with a BIOS firmware of a platform, and a processor that may build a hand-off block for platform specific override data for the platform, and patch the BIOS base firmware image with the platform specific override data to modify the BIOS base firmware image according to the platform. The processor may also update the BIOS firmware in the SPI flash memory device with the BIOS base firmware image.

Abstract: An antenna measurement system includes an array of antennas, an array of reflectors, and a measurement surface. The array of antennas includes a plurality of antenna elements arranged in a straight line; any two adjacent antenna elements in the above antenna elements are separated by a predetermined distance, and each of the antenna elements in the above antenna elements has a radiator and a feed point. The array of reflectors includes at least one reflector and is arranged in a width direction or a height direction, and the array of reflectors is configured to generate a reflection signal according to a signal sent by the array of antennas. An antenna to be measured is configured to perform a measurement operation on the reflection signal on the measurement surface.

Abstract: Disclosed in the embodiments of the present application is a power conversion circuit, comprising a direct current conversion circuit, a pulse width control circuit, and a transformer. The transformer comprises a primary transformer coil and a secondary transformer coil. The direct current conversion circuit is connected to the primary transformer coil, and is used for adjusting an initial voltage inputted to the direct current conversion circuit to a target voltage. The pulse width control circuit is connected to the primary transformer coil, and is used for generating a pulse square wave on the basis of the target voltage. The primary transformer coil is coupled with the secondary transformer coil. The primary transformer coil is used for generating an electromagnetic filed according to the pulse square wave, and coupling the electromagnetic field to the secondary transformer coil so that the secondary transformer coil generates an output voltage.