Abstract: There is provided a wireless power transmission controller in which the input device receives first power information from a power transmitting device, indicating electric power transmitted by the power transmitting device, and second power information from a power receiving device, indicating electric power received by the power receiving device, the output device outputs a first control signal instructing a transmission voltage of the power transmitting device, and a second control signal instructing an impedance of the power receiving device, the control device performs raising control of transmission power of the power transmitting device by generating the second control signal so that a difference between the first and second power information becomes small, and generates the first control signal so that a difference between the first power information and a first target value or a difference between the second power information and a second target value becomes small.

Abstract: According to one embodiment, a receiving apparatus includes a variable gain amplifier, comparator, and signal processor. The comparator compares a signal level of the second signal with a first threshold to generate a third signal, a signal level of the third signal being set to a high signal if the signal level of the second signal is greater than the first threshold. The signal processor determines presence of a signal if a rate of high signals in third signals for a period is greater than a second threshold. The second threshold is set to a first value when the control of the gain is performed and set to a second value when the demodulation processing is performed. The first value is greater than the second value.

Abstract: There is provided a power transmitting apparatus including: a power supply, a power transmitting inductor, a mutual coupling adjusting unit and a control unit, in which the power supply supplies AC power, the power transmitting inductor transfers the AC power to a power receiving apparatus through magnetic coupling with a power receiving inductor in the power receiving apparatus, the mutual coupling adjusting unit adjusts a relative position between the power transmitting inductor and the power receiving inductor, and the control unit controls the mutual coupling adjusting unit, based on a mutual coupling coefficient between the power transmitting inductor and the power receiving inductor.

Abstract: According to one embodiment, a wireless electric power transmission device supplies electric power, transmitted wirelessly from a first device, to a load circuit. The device includes a power receiving resonance unit, a detecting unit which detects electric power information corresponding to the electric power supplied to the load circuit, and a control unit. The control unit determines whether to adjust at least one of a resonant frequency of the power receiving resonance unit, an output frequency of an alternating current power supply of the first device, and a resonant frequency of a power transmitting resonance unit of the first device, on the basis of a relationship in terms of magnitude between first electric power information when the impedance is a first impedance and second electric power information when the impedance is a second impedance.

Abstract: There is provided a control device that estimates power transmission efficiency between a power transmitting unit and a power receiving unit. The power transmitting unit includes a first coil and a first capacitor connected to the first coil in parallel or in series. The power receiving unit includes a second coil and a second capacitor connected to the second coil in parallel or in series and receives electric power from the power transmitting unit through a coupling between the first coil and the second coil. The control device includes an estimator. The estimator compares a detected value of a first voltage or a first current at a first location in the power transmitting unit with a detected value of second voltage or second current at a second location in the power receiving unit and estimates the power transmission efficiency from the power transmitting unit to the power receiving unit.

Abstract: There provided a power receiving device connectable with a first load circuit operating according to AC power from a power transmitting device in which the power receiver receives the AC power from the power transmitting device via magnetic coupling, the impedance adjuster is capable of converting at least one of voltage and current of the AC power received at the power receiver, the controller controls increase in output voltage of the power transmitting device, the AC power is supplied to the first load circuit via the impedance adjuster when the first load circuit is connected to the power receiving device, and the controller controls the impedance adjuster such that an input impedance of the impedance adjuster is lower than an input impedance of the first load circuit during at least a part of a time period where the output voltage of the power transmitting device is increased.

Abstract: A radio apparatus capable of correcting a direct current offset with high accuracy in a short time is provided. A radio apparatus according to an embodiment includes a first amplifier amplifying a signal inputted to an input terminal with amplification gain determined by a variable resistor to generate a first amplified signal, and a second amplifier amplifying the first amplified signal to generate a second amplified signal. Further, the radio apparatus includes a first correcting unit correcting a direct current offset of the first amplifier, and a second correcting unit correcting a direct current offset of the second amplifier.

Abstract: In one embodiment, a wireless transmission apparatus is disclosed. The apparatus includes a generator unit, an amplitude adjuster unit, a phase adjuster unit, and a setting unit. The generator unit generates an amplitude control signal that minimizes an amplitude difference and a phase control signal that minimizes a phase difference in a state in which a power is set during an OFF period of a switch. The amplitude adjuster unit adjusts an amplitude of a feedback RF signal according to the amplitude control signal during an ON period of the switch. The phase adjuster unit adjusts a phase of a local signal according to the phase control signal during the ON period. The setting unit sets, for a Cartesian loop, a first loop gain when the switch is OFF, and a second loop gain higher than the first loop gain when the switch is turned from OFF to ON.

Abstract: A receiving apparatus includes a variable gain unit to change between a first gain and a smaller second gain, and to amplify a received signal to obtain an amplified signal; a comparator to compare a power of the amplified signal with a reference value; and a controller to set a gain to the first gain while in a standby state, to reset a gain to a third gain between the first and second gains if in a standby state the power of the received signal is larger than the reference value, and then to set a gain to the first gain and return to the standby state if the power is equal to or lower than the reference value, or if not, to a fourth gain between the first and third gains.

Abstract: According to one embodiment, a receiving apparatus includes a variable gain amplifier, comparator, and signal processor. The comparator compares a signal level of the second signal with a first threshold to generate a third signal, a signal level of the third signal being set to a high signal if the signal level of the second signal is greater than the first threshold. The signal processor determines presence of a signal if a rate of high signals in third signals for a period is greater than a second threshold. The second threshold is set to a first value when the control of the gain is performed and set to a second value when the demodulation processing is performed. The first value is greater than the second value.

Abstract: A radio apparatus capable of correcting a direct current offset with high accuracy in a short time is provided. A radio apparatus according to an embodiment includes a first amplifier amplifying a signal inputted to an input terminal with amplification gain determined by a variable resistor to generate a first amplified signal, and a second amplifier amplifying the first amplified signal to generate a second amplified signal. Further, the radio apparatus includes a first correcting unit correcting a direct current offset of the first amplifier, and a second correcting unit correcting a direct current offset of the second amplifier.

Abstract: A laser annealing process for recovering crystallinity of a deposited semiconductor film such as of silicon which had undergone morphological damage, said process comprising activating the semiconductor by irradiating a pulsed laser beam operating at a wavelength of 400 nm or less and at a pulse width of 50 nsec or less onto the surface of the film, wherein, said deposited film is coated with a transparent film such as a silicon oxide film at a thickness of from 3 to 300 nm, and the laser beam incident to said coating is applied at an energy density E (mJ/cm2) provided that it satisfies the relation: log10 N??0.02(E?350), where N is the number of shots of the pulsed laser beam.

Abstract: In one embodiment, a wireless transmission apparatus is disclosed. The apparatus includes a generator unit, an amplitude adjuster unit, a phase adjuster unit, and a setting unit. The generator unit generates an amplitude control signal that minimizes an amplitude difference and a phase control signal that minimizes a phase difference in a state in which a power is set during an OFF period of a switch. The amplitude adjuster unit adjusts an amplitude of a feedback RF signal according to the amplitude control signal during an ON period of the switch. The phase adjuster unit adjusts a phase of a local signal according to the phase control signal during the ON period. The setting unit sets, for a Cartesian loop, a first loop gain when the switch is OFF, and a second loop gain higher than the first loop gain when the switch is turned from OFF to ON.

Abstract: An amplifier includes: a substrate; first to fourth amplifying units arranged on the substrate and each having first and second terminals, and each amplifying first and second signals to generate first and second amplified signals; a first inductive line arranged on the substrate, connecting the first terminal of the first amplifying unit and the first terminal of the second amplifying unit, and having a linear portion and a bending portion; a second inductive line arranged on the substrate, connecting the second terminal of the second amplifying unit and the first terminal of the third amplifying unit, and having a linear portion and a bending portion; a third inductive line arranged on the substrate, connecting the second terminal of the third amplifying unit and the first terminal of the fourth amplifying unit, and having a linear portion and a bending portion; a fourth inductive line arranged on the substrate, connecting the second terminal of the fourth amplifying unit and the second terminal of the firs

Abstract: An FMCW signal generation circuit includes: an oscillator configured to oscillate in an oscillation frequency that is variable in accordance with a control signal being input thereto and output an FMCW signal having the oscillation frequency; a phase detector configured to detect a phase of the FMCW signal; a first differentiator configured to obtain a frequency by differentiating the phase detected by the phase detector; a second differentiator configured to obtain a frequency variation rate by differentiating the frequency obtained by the first differentiator; a subtractor configured to calculate an error between a set frequency variation rate that is set at a given value and the frequency variation rate obtained by the second differentiator; and an integrator configured to generate the control signal for controlling the oscillation frequency of the oscillator by integrating the error calculated by the subtractor.

Abstract: An amplifier includes: a substrate; first to fourth amplifying units arranged on the substrate and each having first and second terminals, and each amplifying first and second signals to generate first and second amplified signals; a first inductive line arranged on the substrate, connecting the first terminal of the first amplifying unit and the first terminal of the second amplifying unit, and having a linear portion and a bending portion; a second inductive line arranged on the substrate, connecting the second terminal of the second amplifying unit and the first terminal of the third amplifying unit, and having a linear portion and a bending portion; a third inductive line arranged on the substrate, connecting the second terminal of the third amplifying unit and the first terminal of the fourth amplifying unit, and having a linear portion and a bending portion; a fourth inductive line arranged on the substrate, connecting the second terminal of the fourth amplifying unit and the second terminal of the firs

Abstract: A wireless transmission device includes an adding/subtracting unit configured to subtract a second signal and a third signal from a first signal to generate the second signal; a modulating unit configured to modulate the second signal to generate a fourth signal; a demodulating unit configured to demodulate the fourth signal to generate the third signal; and a transmitting unit configured to transmit the fourth signal.

Abstract: The present invention is directed to a strong platelet aggregation-inhibiting agent which does not inhibit COX-1 or COX-2. Further, the present invention provides compounds represented by formula (I), salts of the compounds, and solvates or hydrates of the compounds or the salts. Also provided are medicaments containing any of the compounds, salts, or solvates and preventive and/or therapeutic agents for ischemic diseases, containing any of the compounds, salts, or the solvates or hydrates.

Abstract: According to an aspect of the present invention, there is provided a filter circuit including: an ADC that converts a first analog signal into a first digital signal; a digital filter that extracts an interference component from the first digital signal and generates a second digital signal; a DAC that converts the second digital signal into a second analog signal; a delayer that delays the first analog signal based on a delay caused in the second analog signal and generates a delayed first analog signal; a subtractor that subtracts the second analog signal from the delayed first analog signal and generates an output signal; and a controller that controls the digital filter based on a remaining interference component that is remaining in the output signal.

Abstract: A filter circuit includes a sampler which samples an input signal to generate a first analog signal, an analog-to-digital converter which converts the first analog signal into a first digital signal, a digital filter which extracts a signal component out of a desired band from the first digital signal to generate a second digital signal, a digital-to-analog converter which converts the second digital signal into a second analog signal, a delay device which imparts a signal delay to the first analog signal to supply a third analog signal, the signal delay being equal to a delay time of the second analog signal relative to the first analog signal, and a subtracter which subtracts the second analog signal from the third analog signal to generate an output signal.