Abstract: Disclosed is a resonant type high frequency power supply device provided with a power element that performs a switching operation, the power supply device including a high frequency pulse drive circuit 1 that transmits a pulse-shaped voltage signal having a high frequency exceeding 2 MHz to the power element to drive the power element, wherein a voltage signal from the high frequency pulse drive circuit 1 is subjected to partial resonance by an impedance of a signal line of the voltage signal and a parasitic capacitance of the power element.

Abstract: A resonant type high frequency power supply device provided with a power semiconductor element that performs a switching operation, the power supply device including a second power semiconductor element at least one or more connected in parallel to the power semiconductor element to achieve optimization of parasitic capacitances of the power semiconductor element and the second power semiconductor element itself, and a high frequency pulse drive circuit that transmits a pulse-shaped voltage signal having a high frequency exceeding 2 MHz to the power semiconductor element and the second power semiconductor element to drive the power semiconductor element and the second power semiconductor element.

Abstract: A resonant type high frequency power supply device provided with a power semiconductor element that performs a switching operation at a high frequency exceeding 2 MHz, the resonant type high frequency power supply device including a variable inductor that makes an adjustment to the amplitude of a device output voltage.

Abstract: A transmitting device includes a transmission power supply to output electric power, whose frequency matches a resonance frequency of each of the transmitting antennas, based on input power, plural switches respectively provided for the transmitting antennas, the switches being switchable to connect or disconnect supply lines for supplying the electric power outputted by the transmission power supply to the transmitting antennas, a parameter detector to detect parameters regarding the transmission power supply, the parameter being changed as a receiving antenna gets close to the transmitting antennas, by using a protective function of the transmission power supply, and a switch controller to estimate the position of the receiving antenna from the result of the detection, and to perform switching control on the switches in accordance with the position of the receiving antenna.

Abstract: The vibration power generator includes: a plurality of permanent magnets (1, 2) integrated together to have given inter-magnet gaps under a state in which the same poles of the permanent magnets are opposed to each other; and a plurality of coils (3, 4) arranged on respective outer peripheries of the plurality of permanent magnets so as to have a distance from the plurality of permanent magnets, and is configured to generate an electric power through relative movement of the plurality of permanent magnets and the plurality of coils. A relationship between a length of the opposed coils and a length of the permanent magnet is set so that the length of the coils is larger than the length of the permanent magnet and equal to or smaller than a sum of the length of the permanent magnet and a length of the inter-magnet gap.

Abstract: An electric training apparatus is configured to apply, by a load motor, a load on a rotating body configured to apply a load on an exercising person, detect an exercise physiological response value of the exercising person and a number of revolutions of the rotating body, perform control for gradually increasing the load of the load motor toward a set load upper limit value so that a detection result of the exercise physiological response value of the exercising person approaches a target exercise physiological response value set in advance, and change, before an exercise or during the exercise by the exercising person, the load upper limit value in response to a control command input based on a state of the exercising person, a state of the control, and a perceived exertion scale for the exercising person.

Abstract: A configuration includes: resonance-type power source circuits provided for at least two electric paths, each including a power element that performs switching at a high frequency of 2 MHz or more, and a resonant circuit element that causes the power element to perform resonant switching; a phase-control-type matching circuits provided for the respective electric paths, each having a function of controlling a phase difference between output currents of the resonance-type power source circuits and a function of providing matching of resonance conditions between the resonance-type power source circuit and a load; and a combining unit that combines output currents processed by the phase-control-type matching circuits for the respective electric paths.

Abstract: An imaging apparatus includes: a light source section (2, 40) including a light source having a wavelength of a plurality of bands; an imaging section (15) configured to convert measurement light source light images of the plurality of bands from the light source section into a plurality of electrical measurement imaging signals, the measurement light source light images being reflected from a surface and an inside of the subject; a calculation section (13, 16, 19) configured to measure a shape of the surface and a shape of the inside in the subject based on the plurality of electrical measurement imaging signals obtained through the conversion in the imaging section; and a composition processing section (19) configured to composition-process the shape of the surface and the shape of the inside measured by the calculation section to create two-dimensional image data or three-dimensional image data about the subject.

Abstract: Disclosed is a rectifying circuit for high-frequency power supply that rectifies an alternating voltage at a high frequency equal to or higher than 2 MHz, the rectifying circuit for high-frequency power supply including a current doubler rectifier circuit that rectifies the alternating voltage inputted from a reception antenna for power transmission 10, a partial resonant circuit that causes the current doubler rectifier circuit to perform partial resonant switching in a switching operation at the time of rectification, a matching functional circuit that has a function of matching a resonance condition to that of the reception antenna for power transmission 10, and a function of matching the resonance condition to that of the partial resonant circuit, and a smoothing functional circuit that smooths the voltage rectified by the current doubler rectifier circuit into a direct voltage.

Abstract: Provided are a control apparatus and method for an exercise therapy device, including: an isokinetic load control part for holding and adjusting a target rotation speed value and a gain for a left pedal and a target rotation speed value and a gain for a right pedal independently, to thereby perform the isokinetic load control to control a load torque to be applied to the left pedal and a load torque to be applied to the right pedal independently; and a switch for determining which of the isokinetic load control for the left pedal and the isokinetic load control for the right pedal is to be used, to thereby switch a measured rotation speed value and a target torque value.

Abstract: Disclosed is a resonance type power transmission device that transmits electric power by using a resonator for transmission 3 and a resonator for reception 4 whose resonance conditions are matched to each other, the resonance type power transmission device including a transmission power supply 1 to supply electric power, a transmission antenna 2 to transmit the electric power from the transmission power supply 1, a conductive substance 7 to establish an electrical single point connection between the resonator for transmission 3 and the resonator for reception 4, a reception antenna 5 to receive the electric power from the transmission antenna 2 via the resonator for transmission 3 and the resonator for reception 4, and a reception power supply 6 to receive the electric power received by the reception antenna 5.

Abstract: A second resonant type transmission power supply device 1b includes a transmission power state detecting circuit 11b that detects a transmission power state of a second transmission antenna 2b, a foreign object detecting circuit 124b that detects the presence or absence of a foreign object in an overlapping range of electromagnetic fields on the basis of a detection result acquired by the transmission power state detecting circuit 11b, and a power control circuit 125b that, when a foreign object is detected by the foreign object detecting circuit 124b, controls a first resonant type transmission power supply device 1a in such a way as to reduce or stop the supply of electric power to a first transmission antenna 2a.

Abstract: Disclosed is a rectifying circuit for high-frequency power supply that rectifies an alternating voltage at a high frequency equal to or higher than 2 MHz, the rectifying circuit for high-frequency power supply including half-wave rectifier circuit that rectifies the alternating voltage inputted from a reception antenna for power transmission 10, a partial resonance circuit that causes the half-wave rectifier circuit to perform partial resonance switching in a switching operation at the time of rectification, a matching functional circuit that has a function of matching a resonance condition to that of the reception antenna for power transmission 10, and a function of matching the resonance condition to that of the partial resonance circuit, and a smoothing functional circuit that smooths the voltage rectified by the half-wave rectifier circuit into a direct voltage.

Abstract: A resonant coupling power transmission system includes a resonance type power transmission device 1 having a resonance type power supply 11 to supply power, and a resonance type transmission antenna 13 to transmit the power supplied by the resonance type power supply 11, and a resonance type power reception device 2 having a resonance type reception antenna 21 to receive the power transmitted by the resonance type transmission antenna 13, and a reception circuit 23 to supply the power received by the resonance type reception antenna 21 to a load, and the characteristic impedance of each of the functional units is set in such a way that there is provided a correlation among the resonance characteristic value of the resonance type power supply 11, that of the resonance type transmission antenna 13, and that of the resonance type power reception device 2.

Abstract: Provided are a control apparatus and method for an exercise therapy device, including the following steps: calculating a first-order lag waveform of a waveform of the target value of the exercise physiological response as a corrected target value of the exercise physiological response using a response time constant; calculating a difference between the corrected target value of the exercise physiological response and the measured value of the exercise physiological response as an exercise physiological response deviation after correction; generating a command value for the exercise load based on the exercise physiological response deviation after correction, so that the exercise physiological response of the exerciser approaches the corrected target value of the exercise physiological response, to thereby control the exercise load to be applied to the exerciser.

Abstract: Disclosed is a movable portion transmission system including a primary transmission power supply 1 to supply electric power, a transmitter and receiver 3 configured with a transmission antenna 5 to perform wireless transmission of the electric power supplied thereto, and a reception antenna 6 to receive the electric power from the transmission antenna 5 with which the reception antenna pairs up, a transmission power supply circuit 2 to establish a resonance condition of the transmission antenna 5 with which the transmission power supply circuit pairs up, and a reception power supply circuit 4 to establish a resonance condition of the reception antenna 6 with which the reception power supply circuit pairs up, in which the transmission antenna 5 includes a transmission side coil 7 in a spiral shape which is arranged while being centered at the axial center of a rotary member and the reception antenna 6 includes a reception side coil 8 in a spiral shape which is arranged with a gap therefrom to the transmission

Abstract: A resonant type transmission power supply device includes a pulse input circuit that inputs a pulse voltage to a transmission antenna at set intervals, a variable resonance frequency circuit that causes the resonance frequency of the transmission antenna to be variable and performs sweep detection of the resonance frequency when a pulse voltage is inputted, a frequency characteristic detecting circuit that detects a frequency characteristic of the transmission antenna when the sweep detection is performed, a foreign object detecting circuit that detects the presence or absence of a foreign object in an electromagnetic field generated from the transmission antenna on the basis of a detection result acquired by the frequency characteristic detecting circuit, and a power control circuit that reduces or stops the supply of electric power to the transmission antenna when a foreign object is detected.

Abstract: An automatic matching circuit includes a variable inductor disposed in order to perform impedance matching at a high frequency equal to or higher than 2 MHz between the output. impedance of a resonant type reception antenna 10 and the input impedance of a high frequency rectification circuit 11, to cause an inductance value to be variable by using an electronic part that electrically performs contact switching including continuous contact switching, a variable capacitor disposed in order to perform the impedance matching, to cause a capacitance value to be variable by using an electronic part that electrically performs contact switching including continuous contact switching, and a variable control circuit 1 to control the electronic parts, in the variable inductor and the variable capacitor, each of which electrically performs the contact switching including the continuous contact switching, in such a way as to perform the impedance matching.

Abstract: Disclosed is a resonant type transmission power supply device including a transmission power state detecting circuit 11 to detect a transmission power state of a transmission antenna 2, a foreign object detecting circuit 124 to detect the presence or absence of a foreign object in an electromagnetic field generated from the transmission antenna 2 on the basis of a detection result acquired by the transmission power state detecting circuit 11, and a power control circuit 125 to reduce lit or stop the supply of electric power to the transmission antenna 2 when foreign object is detected by the foreign object detecting circuit 124.

Abstract: Disclosed is a resonant type power transmission antenna device provided with a plurality of transmission antennas 12 and a plurality of reception antennas 13, the resonant type power transmission antenna device including a transmission shield antenna 22 arranged between the plurality of transmission antennas 12, a reception shield antenna 23 arranged between the plurality of reception antennas 13, transmission and reception circuits 21 and 24 to operate the transmission and reception shield antennas 22 and 23 in electromagnetic field resonance having a phase opposite to that of the transmission and reception antennas 12 and 13 respectively adjacent to the transmission and reception shield antennas.