Abstract: An active antenna module is disclosed. The active antenna module comprises a loop antenna, a RF transistor, a LR series circuit, a first bypass capacitor and a second bypass capacitor. The RF transistor comprises a control port, a first port, and a second port. Each of two ends of the loop antenna is electrically connected to one of the control port and the second port, and the control port and the second port are out of phase. The second port is electrically connected to the first port via the first bypass capacitor. The first port is electrically connected to ground via the LR series circuit. The second bypass capacitor and a resistor of the LR series circuit are connected in parallel.

Abstract: A data storage device that includes a nonvolatile memory device, a controller suitable for controlling the nonvolatile memory device and for reading and writing data to the nonvolatile memory device, and a power management unit suitable for supplying power to the nonvolatile memory device. The controller may control the power management unit to adjust the power supplied to the nonvolatile memory device.

Abstract: The present invention provides an improved file system format for an optical disc to help prevent illegal copying of multimedia content, where certain non-readable data record is placed into increased measured length of a multimedia data block; disc made pursuant to present format allows normal playback with very low level noise that would not affect the user enjoyment of viewing/listening the movie or music content on the multimedia disc.

Abstract: Provided is a method for suppressing a circulating current in a modular multi-level converter for a high voltage direction-current (HVDC) transmission system. The HVDC transmission system converts an alternating current (AC) into a direct current (DC) and vice versa, transmits energy using a DC cable, and including a modular multilevel converter generating a high voltage source by stacking a plurality of sub-modules in series. In the circulating current suppression method, a circulating current (idiffj; j=a,b,c) of a,b,c phase in an abc 3-phase stationary reference frame, a DC current (idc) flowing in a DC cable, a current reference value (i*dc) of a DC component that needs to flow in the DC cable are inputted. The circulating current (idiffj) of the a,b,c phase is controlled to become zero. A compensation value (V*diffj) for suppressing a harmonic component of the circulating current is outputted.

Abstract: A lighting device includes a microwave sensor for adjusting its sensing range based on a range gate selected from multiple range gates. An active antenna module transmits first FMCW signal toward a target based on the selected range gate and for receiving second FMCW signal reflected from the target. The microwave sensor demodulates the first FMCW signal and the second FMCW signal to generate beat frequency signal. Then another demodulator demodulates the beat frequency signal to generate Doppler signal. The microwave sensor calculates a range between the microwave sensor and the target based on the beat frequency signal, calculates velocity of the target according to frequency of the Doppler signal, and determine whether to generate triggering signal according to the calculated velocity and the calculated range, when the object located within the range gate. The power module enables a lamp based on the triggering signal.

Abstract: A feedback control circuit, adapted to control a converting circuit to transform an input power into an output voltage for driving an LED module. The feedback control circuit comprises a detection circuit, a PWM circuit, a PWM logic control circuit and a PWM control circuit. The detection circuit is coupled to at least one LED string of the LED module and generates at least one detection signal. The PWM circuit comprises a capacitance, a charging circuit and a discharging circuit, and determines a capacitance voltage of the capacitance to increase, decrease, or maintain. The PWM logic control circuit compares a level of the least one detection signal with a high reference level and a low reference level to control the PWM circuit to adjust the capacitance voltage. The PWM control circuit controls the converting circuit to execute the power transformation in response to the capacitance voltage of the capacitance.

Abstract: A split gate NVM device includes a semiconductor substrate, an ONO structure disposed on the semiconductor substrate, a first gate electrode disposed on the ONO structure, a second gate electrode disposed on the semiconductor substrate, adjacent to and insulated from the first gate electrode and the ONO structure, a first doping region with a first conductivity formed in the semiconductor substrate and adjacent to the ONO structure, a second doping region with the first conductivity formed in the semiconductor substrate and adjacent to the second gate electrode, and a third doping region with the first conductivity formed in the semiconductor substrate, disposed between the first doping region and the second doping region and adjacent to the ONO structure and the second gate electrode.

Abstract: The present invention relates to a driving method for a modular multi-level converter. The driving method include inputting a current reference value (i*pj2) of the upper valve of the modular multi-level converter, measuring a current value (ipj2) of the valve, calculating an error value (errpj2) between the current reference value and the measured current value of the upper valve, measuring a DC link voltage value (Vdc2) of the modular multi-level converter, measuring a AC-grid voltage value (Esj) of the modular multi-level converter, and calculating a voltage reference value (u*pj2) using the current reference value (i*pj2), the measured current value (ipj2), the error value (errpj2), the DC link voltage value (Vdc2), and the AC-grid voltage value (Esj).

Abstract: A microwave sensor adjusts its sensing range based on a range gate selected from multiple range gates. An active antenna module transmits a first FMCW signal toward a target based on the selected range gate and for receiving second FMCW signal reflected from the target. A modulating module is used for generating modulation signal. The bandwidth of the first FMCW signal depends on an amplitude of the modulation signal. A first demodulator is used for demodulating the first FMCW signal and the second FMCW signal to generate beat frequency. A second demodulator is used to demodulate the beat frequency signal to generate a Doppler signal. An indentifying circuit is used for generating a triggering signal based on a voltage difference between integral of the Doppler signal from an object within the rage gate and an integral of clutter.

Abstract: A microwave sensor is disclosed. The microwave sensor includes an active antenna module, a first low pass filter, a second demodulator, a modulation module, and a discrimination control module. The active antenna module is utilized for transmitting a first FMCW signal towards a target and receiving a second FMCW signal reflected back from the target according to a sweep period. The active antenna module includes a loop antenna and a radio frequency transistor. The first low pass filter and the radio frequency transistor form a first demodulator. The first demodulator and the second demodulator perform two-stage down converting and demodulating to extract information for calculating range and velocity, respectively. The present invention adjusts a radio frequency bandwidth of the FMCW signal by first adjusting an amplitude of a modulation signal generated by the modulation module to control various detection ranges.

Abstract: Provided is a position-detecting radio frequency identification (RFID) device, including a pair of radio frequency antennas transmitting and receiving a radio frequency signal, a RFID chip electrically connected to and corresponding to the pair of first radio frequency antennas, storing a signal, and stimulating the pair of radio frequency antennas into transmitting and receiving the signal, a pair of electronic switches provided between the pair of radio frequency antennas and the RFID chip, and a switch control device controlling the pair of electronic switches. Moreover, if the pair of electronic switches is in the on state, the pair of radio frequency antennas and the RFID chip are electrically connected, and if the pair of electronic switches is in the off state, the pair of radio frequency antennas and the RFID chip are electrically disconnected. Further, the present invention also provides a position-detecting RFID method.

Abstract: A data storage device that includes a nonvolatile memory device, a controller suitable for controlling the nonvolatile memory device and for reading and writing data to the nonvolatile memory device, and a power management unit suitable for supplying power to the nonvolatile memory device. The controller may control the power management unit to adjust the power supplied to the nonvolatile memory device.

Abstract: The present invention relates to a driving method for a modular multi-level converter. The driving method include inputting a current reference value (i*pj2) of the upper valve of the modular multi-level converter, measuring a current value (ipj2) of the valve, calculating an error value (errpj2) between the current reference value and the measured current value of the upper valve, measuring a DC link voltage value (Vdc2) of the modular multi-level converter, measuring a AC-grid voltage value (Esj) of the modular multi-level converter, and calculating a voltage reference value (u*pj2) using the current reference value (i*pj2), the measured current value (ipj2), the error value (errpj2), the DC link voltage value (Vdc2), and the AC-grid voltage value (Esj).

Abstract: The present invention provides an intergrated circuit. The intergrated circuit comprises: a plurality of core power sources; and a plurality of core power domains, coupled to the core power sources, respectively; wherein the core power domains are overlapped with each other.

Abstract: A piston assembly of a shock absorber is provided. A compression retainer and a rebound retainer are disposed above and under a piston body. A blow-off reducing unit is disposed between the compression retainer and an auxiliary valve and on a bottom surface of the auxiliary valve to form a plurality of blow-off points, so that a rapid variation in a damping force can be considerably reduced even in a low-speed and middle-speed transition period.

Abstract: A microwave sensor adjusts its sensing range based on a range gate selected from multiple range gates. An active antenna module transmits a first FMCW signal toward a target based on the selected range gate and for receiving second FMCW signal reflected from the target. A modulating module is used for generating modulation signal. The bandwidth of the first FMCW signal depends on an amplitude of the modulation signal. A first demodulator is used for demodulating the first FMCW signal and the second FMCW signal to generate beat frequency. A second demodulator is used to demodulate the beat frequency signal to generate a Doppler signal. An indentifying circuit is used for generating a triggering signal based on a voltage difference between integral of the Doppler signal from an object within the rage gate and an integral of clutter.

Abstract: A wireless radio frequency identification receiving facility having antenna net includes a receiving apparatus with receiving spaces for receiving objects, a leaking-waved antenna net unit, and a first antenna. The leaking-waved antenna net unit includes an inner main antenna and extension antennas extended to the regions adjacent to the receiving spaces. The first antenna receives the detecting signal from a reader unit and generates a current. The EM wave is generated while the current flows through the leaking-waved antenna net unit, and is transmitted along extension antennas. The radio frequency identification electronic tags on the objects are triggered by the electromagnetic field built up by the EM wave, and information of all objects in the receiving apparatus is read at one time, so that the checking time is greatly reduced and the possibility of lost and position mistake of object can be excluded.

Abstract: A radio frequency identification (RFID) display device includes a microprocessor, a first RFID, a second RFID, a sensing module and a passive display unit. The first RFID stores a first RFID data and receives electromagnetic wave emitted from a reader for supply power. The second RFID stores a second RFID data. The first RFID data and the second RFID data are transferred to the microprocessor when the electromagnetic wave is received. The sensing module senses an external environment and generates an environmental sensing signal transferred to the microprocessor. The microprocessor generates a display driving signal to drive the passive display unit based on the received data so as to display the RFID data onto the passive display unit. The microprocessor further adjusts the brightness and the contrast of the passive display unit to achieve better display effect, thereby effectively saving the time of stock take.

Abstract: A lighting device includes a microwave sensor for adjusting its sensing range based on a range gate selected from multiple range gates. An active antenna module transmits first FMCW signal toward a target based on the selected range gate and for receiving second FMCW signal reflected from the target. The microwave sensor demodulates the first FMCW signal and the second FMCW signal to generate beat frequency signal. Then another demodulator demodulates the beat frequency signal to generate Doppler signal. The microwave sensor calculates a range between the microwave sensor and the target based on the beat frequency signal, calculates velocity of the target according to frequency of the Doppler signal, and determine whether to generate triggering signal according to the calculated velocity and the calculated range, when the object located within the range gate. The power module enables a lamp based on the triggering signal.