Abstract: An ECG electrode is provided. The ECG electrode includes an electrode substrate and a doped graphite-like carbon film located on an outer surface of the electrode substrate. The doped graphite-like carbon film includes graphite-like carbon, and first nano-crystals and second nano-crystals that are embedded in the graphite-like carbon. The first nano-crystal includes a weak carbon-bonding element. The weak carbon-bonding element has a part that exists in a form of a metallic elementary substance. The first nano-crystal includes a columnar structure. The columnar structure extends in a thickness direction of the doped graphite-like carbon film. The second nano-crystal includes a strong carbon-bonding element. The strong carbon-bonding element bonds with the carbon element in the graphite-like carbon through a chemical bond. The second nano-crystals are distributed between adjacent and spaced columnar structures.

Abstract: Embodiments of the present invention relate to a bridgeless digital control power factor correction (PFC) circuit, with a symmetrical and balanced topology, for use in a device to eliminate the use of standby power when a plug is sitting idle in a socket. In embodiments, the bridgeless power factor correction circuit includes: a boost inductor, where the bridgeless power factor correction circuit has a symmetrical topology, and the boost inductor comprises an axis of the bridgeless power factor correction circuit; a first metal-oxide-semiconductor field-effect transistor (MOSFET) and a second MOSFET; and four diodes, wherein the four diodes comprise two slow diodes and two fast diodes. Embodiments of the present invention also relate to a power factor correction circuit, and methods of manufacturing the bridgeless power factor correction circuit and the power factor correction circuit.

Abstract: A standby circuit includes a power regulator configured to operate in an ON state and an OFF state; a power detecting circuit configured to detect power of a load; an integrated circuit module including two interfaces, each of the two interfaces configured to receive an ON operating command or an OFF operating command from a remote control device; and a proximity detection circuit configured to determine a proximity of each of the two interfaces to the remote control device.

Abstract: A standby circuit includes a power regulator configured to operate in an ON state and an OFF state; a power detecting circuit configured to detect power of a load; an integrated circuit module including two interfaces, each of the two interfaces configured to receive an ON operating command or an OFF operating command from a remote control device; and a proximity detection circuit configured to determine a proximity of each of the two interfaces to the remote control device.

Abstract: A standby circuit includes a power regulator configured to operate in an ON state and an OFF state; a power detecting circuit configured to detect power of a load; an integrated circuit module including two interfaces, each of the two interfaces configured to receive an ON operating command or an OFF operating command from a remote control device; and a proximity detection circuit configured to determine a proximity of each of the two interfaces to the remote control device.

Abstract: A standby circuit includes a power regulator configured to operate in an ON state and an OFF state; a power detecting circuit configured to detect power of a load; an integrated circuit module including two interfaces, each of the two interfaces configured to receive an ON operating command or an OFF operating command from a remote control device; and a proximity detection circuit configured to determine a proximity of each of the two interfaces to the remote control device.

Abstract: The present invention provides a detector and an emission tomography device including the detector. The detector comprises: a scintillation crystal array comprising a plurality of scintillation crystals; and a photo sensor array, coupled to an end surface of the scintillation crystal array and comprising multiple photo sensors. At least one of the multiple photo sensors is coupled to a plurality of the scintillation crystals respectively. Surfaces of the plurality of the scintillation crystals not coupled to the photo sensor array are each provided with a light-reflecting layer, and a light-transmitting window is disposed in the light-reflecting layer on a surface among the surfaces adjacent to a scintillation crystal coupled to an adjacent photo sensor. The detector has DOI decoding capability. No mutual interference occurs during DOI decoding, and decoding is more accurate.

Abstract: A standby circuit includes a power regulator configured to operate in an ON state and an OFF state; a power detecting circuit configured to detect power of a load; an integrated circuit module including two interfaces, each of the two interfaces configured to receive an ON operating command or an OFF operating command from a remote control device; and a proximity detection circuit configured to determine a proximity of each of the two interfaces to the remote control device.

Abstract: An apparatus, device and method for measuring a gain of a sensor are disclosed. The apparatus comprises a current detection circuit (122) and a processing circuit (124). An input end of the current detection circuit (122) is used for connecting to an output end of a sensor unit (110). The current detection circuit (122) is used for detecting a current signal output by the sensor unit and generating a corresponding detection signal. An input end of the processing circuit (124) is connected to an output end of the current detection circuit (122). The processing circuit (124) is used for calculating energy of dark events occurring in the sensor unit (110) according to the detection signal, generating an energy spectrogram of the dark event, and calculating a gain of the sensor unit (110) based on the energy spectrogram.

Abstract: An apparatus, device and method for measuring a breakdown voltage are disclosed. The apparatus comprises a controlled voltage source (122), a current detection circuit (124), and a processing circuit (126). The controlled voltage source (122) is used for providing a series of test bias voltages for the sensor unit (110). The current detection circuit (124) is used for detecting a current signal output by the sensor unit (110) and generating a corresponding detection signal. The processing circuit (126) is used for controlling the controlled voltage source (122) to provide a series of test bias voltages, calculating dark currents respectively corresponding to the series of test bias voltages on the basis of the detection signal, and determining a breakdown voltage of the sensor unit (110) on the basis of the series of test bias voltages and the dark currents.

Abstract: A photon measurement front-end circuit has an integral module for integrating the difference between an initial signal from a photoelectric detector and a feedback signal, and outputting an integral signal, a comparator for comparing the integral signal with a reference signal and generating a comparison result, a transmission controller for controlling the transmission of the comparison result by using a clock signal, in order to output a digital signal, a negative feedback module for converting the digital signal into the feedback signal and feeding the feedback signal back to the integral module, and a photon measurement module comprising an energy measurement module for measuring, by use of the digital signal, the energy of photons detected by the photoelectric detector. The photon measurement front-end circuit has a simple circuit structure and reduced power consumption and costs, and energy measurement is not affected by the starting time of the initial signal.

Abstract: An apparatus, device and method for measuring a breakdown voltage are disclosed. The apparatus comprises a controlled voltage source (122), a current detection circuit (124), and a processing circuit (126). An output end of the controlled voltage source (122) is connected to an input end of a sensor unit (110). The controlled voltage source (122) is used for providing a series of test bias voltages for the sensor unit (110). An input end of the current detection circuit (124) is connected to an output end of the sensor unit (110). The current detection circuit (124) is used for detecting a current signal output by the sensor unit (110) and generating a corresponding detection signal. An input end of the processing circuit (126) is connected to an output end of the current detection circuit (124). An output end of the processing circuit (126) is connected to an input end of the controlled voltage source (122).

Abstract: An apparatus, device and method for measuring a gain of a sensor are disclosed. The apparatus comprises a current detection circuit (122) and a processing circuit (124). An input end of the current detection circuit (122) is used for connecting to an output end of a sensor unit (110). The current detection circuit (122) is used for detecting a current signal output by the sensor unit and generating a corresponding detection signal. An input end of the processing circuit (124) is connected to an output end of the current detection circuit (122). The processing circuit (124) is used for calculating energy of dark events occurring in the sensor unit (110) according to the detection signal, generating an energy spectrogram of the dark event, and calculating a gain of the sensor unit (110) based on the energy spectrogram.

Abstract: A touch screen data transmission system enabling a single touch screen to communicate with and command a plurality of hosts includes a dividing module, an obtaining module, a determining module, a converting module, and a transmitting module. The dividing module divides the touch screen into a plurality of touch areas which each have own start and end coordinates and each touch area is relevant to one host of the plurality. The obtaining module obtains a coordinate of a touch point and determining module determines the relevant touch area. The converting module converts the coordinate into an area coordinate and the transmitting module transmits the area coordinate to relevant host to open that host for communicating and commanding purposes. A touch screen data transmission method and a split touch device are also provided.

Abstract: A digital AC/DC power converter comprises an active PFC module, a single switch module having a single switch, a power output module having a transformer, a digital control module having a microcontroller, and a rectifying and filtering module having a full-bridge rectifier, an EMI filter, and a capacitor that is less than 1 ?F. The single switch is electrically connected to the active PFC module, and a primary winding of the transformer is electrically connected to the active PFC module. The microcontroller provides a PWM signal to control the switching state of the single switch, so that the active PFC module transforms AC frequency from less than 300 Hz into over 30,000 Hz and outputs a rectified AC voltage waveform. The EMI filter blocks high electromagnetic frequencies and the capacitor smooths a variation in the rectified voltage waveform and output the smoothed rectified voltage waveform to the active PFC module.

Abstract: A photon measurement front-end circuit (200, 400, 800, 900) comprises an integral module (210, 410, 910), a comparator (220, 420, 810, 920), a transmission controller (230, 430, 820, 930), a negative feedback module (240, 440, 830, 940) and a photon measurement module (250, 450, 840, 950). The integral module (210, 410, 910) is used for receiving an initial signal from a photoelectric detector and a feedback signal from the negative feedback module (240, 440, 830, 940), integrating the difference between the initial signal and the feedback signal, and outputting an integral signal. The comparator (220, 420, 810, 920) is used for comparing the integral signal with a reference level and generating a comparison result. The transmission controller (230, 430, 820, 930) is used for controlling the transmission of the comparison result by using a clock signal, in order to output a digital signal.

Abstract: A digital AC/DC power converter comprises an active PFC module, a single switch module having a single switch, a power output module having a transformer, a digital control module having a microcontroller, and a rectifying and filtering module having a full-bridge rectifier, an EMI filter, and a capacitor that is less than 1 ?F. The single switch is electrically connected to the active PFC module, and a primary winding of the transformer is electrically connected to the active PFC module. The microcontroller provides a PWM signal to control the switching state of the single switch, so that the active PFC module transforms AC frequency from less than 300 Hz into over 30,000 Hz and outputs a rectified AC voltage waveform. The EMI filter blocks high electromagnetic frequencies and the capacitor smooths a variation in the rectified voltage waveform and output the smoothed rectified voltage waveform to the active PFC module.

Abstract: A digital AC/DC power converter comprises an active PFC module, a single switch module having a single switch, a power output module having a transformer, and a digital control module having a microcontroller. The single switch is electrically connected to the active PFC module, and a primary winding of the transformer is electrically connected to the active PFC module. Moreover, the microcontroller provides a PWM signal to control the switching state of the single switch, so that the active PFC module transforms AC frequency from no more than 300 Hz into at least 30,000 Hz and outputs a rectified AC output voltage waveform to improve power factor.

Abstract: A standby circuit and device to reduce power consumption of appliances in standby mode comprise a power regulator, a power detecting circuit, and a HIC module. The HIC module can control the power regulator to turn off when a detected power consumption of a load is within a predetermined power consumption range.

Abstract: A vehicle data recording device includes a front panel and a first antenna. The front panel includes a first recess and a first cover detachably covering the first recess. The first antenna is mounted in the first recess and covered by the first cover.