Abstract: A flexible sensor configured to detect a physical amount of a measurement target in a state surrounding the measurement target includes a sensor cable configured to detect the physical amount of the measurement target and a holding portion on which a base end portion of the sensor cable is mounted, the holding portion having a groove portion in which a distal end portion of the sensor cable is fitted from a side surface.

Abstract: A contactless power transmission apparatus includes a transmitter that includes a transmitter coil that supplies electric power to a receiver and a power supply circuit that supplies alternating current power to the transmitter coil. The receiver includes a resonant circuit including a receiver coil that receives electric power from the transmitter and a resonant capacitor connected in series to the receiver coil, a rectifier circuit that rectifies electric power output from the resonant circuit, and a coil connected in parallel to the resonant circuit between the resonant circuit and the rectifier circuit.

Abstract: A power transmission device of a non-contact power feeding device according one or more embodiments may include a control circuit configured to control at least one of a switching frequency or a voltage of AC power supplied from a power supply circuit to a transmission coil, on the basis of a change over time in a strength of a magnetic field detected by a magnetic field detection element configured to detect a strength of a magnetic field generated from the transmission coil of the power transmission device. Whereas, a power reception device has a resonant circuit having a reception coil configured to receive electric power from the power transmission device and a resonance suppression coil arranged to be capable of being electromagnetically coupled to the reception coil.

Abstract: A measured value of an output voltage may be obtained by rectifying power received through a resonance circuit including a reception coil that receives power from a transmission coil of a power transmission device and a resonance capacitor connected in series with the reception coil. When the measured value becomes equal to or larger than an upper limit threshold value, a power reception device of a non-contact power supply device short-circuits a resonance suppression coil provided so as to be electromagnetically couplable with the reception coil. The power transmission device and the power reception device are provided such that power is transmitted from the transmission coil to the reception coil, and the reception coil and the resonance suppression coil are provided such that a coupling degree between the resonance suppression coil and the transmission coil becomes higher than a coupling degree between the reception coil and the transmission coil.

Abstract: A power transmission device includes a transmission coil that supplies power to a power reception device, a power supply circuit that converts DC power supplied from a DC power source via a plurality of switching elements connected in a full bridge shape or a half bridge shape between DC power sources and the transmission coil into AC power and supplies the AC power to the transmission coil, a phase adjustment circuit having an LC series circuit connected in parallel with the transmission coil and a switching element connected in series with the LC series circuit, and a control circuit that controls switching on and off of the switching element of the phase adjustment circuit in accordance with a measured value of an amount of current when any of the plurality of switching elements of the power supply circuit is turned off by a current detection circuit.

Abstract: In a method for diagnosing, validating and treating a patient having lesions in both arteries of left and right lower limbs. By determining that a harder lesion to be treated first, catheters and an operation time can be reduced is to be treated first on a priority basis based on diagnostic data, deciding that a softer lesion is to be treated next, then treating the lesions substantially continuously.

Abstract: A power transmitter device of a non-contact power feeding device includes a transmitter coil configured to supply power to the power receiver device, a power supply circuit including a plurality of switching elements connected between a DC power supply and the transmitter coil in a full-bridge configuration or a half-bridge configuration. The power supply circuit may be configured to switch the plurality of switching elements to an on or off state at a switching frequency to convert DC power supplied from the DC power supply into AC power having the switching frequency and supply the AC power to the transmitter coil, and a phase control circuit including at least one LC series circuit connected to both ends of the transmitter coil.

Abstract: A power receiving device 3 of a non-contact power supply device 1 has: a resonant circuit 20 having a receiving coil 21 for receiving power from a power transmission device 2; and a rectifier circuit 24 for rectifying power output from the resonant circuit 20. The power transmission device 2 has: a transmission coil 14 for supplying power to the power receiving device 3; a power supply circuit 10 for supplying AC power having an adjustable switching frequency to the power transmission coil 14; and a control circuit 17 that stops the power supply from the power supply circuit 10 to the transmission coil 14 when the non-contact power supply device 1 does not perform a constant voltage output operation even if the switching frequency is changed over a predetermined frequency range.

Abstract: A power receiver device a noncontact power supply apparatus short-circuits a resonance suppressing coil provided so as to be electromagnetically coupled to a receiver coil and notifies a power transmitter device of an output voltage abnormality when a measured value of output voltage becomes equal to or greater than an upper limit threshold, the measured value of output voltage being obtained by rectifying power received via a resonance circuit including a receiver coil configured to receive power from a transmitter coil of the power transmitter device and a resonance capacitor connected in parallel with the receiver coil. Upon receipt of the notification of the output voltage abnormality, the power transmitter device changes at least one of a voltage and switching frequency of AC power applied to the transmitter coil.

Abstract: A power reception device of a non-contact power feeding device has: a resonant circuit having a reception coil configured to receive electric power from a power transmission device and a resonant capacitor connected in series with the reception coil; a first rectifier circuit configured to rectify electric power received via the resonant circuit; a smoothing capacitor connected to the first rectifier circuit and configured to smooth a voltage outputted from the first rectifier circuit; a sub-coil arranged to be capable of being electromagnetically coupled to the reception coil; and a second rectifier circuit connected between the sub-coil and the smoothing capacitor, and configured to output electric power according to a voltage generated in the sub-coil to the smoothing capacitor in response to a voltage obtained by rectifying a voltage generated in the sub-coil being higher than a voltage between both terminals of the smoothing capacitor.

Abstract: A contactless power transmission apparatus includes a receiver that includes a resonant circuit that receives electric power from a transmitter. The receiver causes, in response to a measurement value of an output voltage of electric power output from the resonant circuit being out of a predetermined allowable range of voltages, a short circuit to short-circuit the resonant circuit and transmits determination information indicating that the contactless power transmission apparatus is not outputting a constant voltage. In response to the determination information, the transmitter in the contactless power transmission apparatus detects a switching frequency of alternating current power to be supplied to a transmitter coil from a power supply circuit at which the contactless power transmission apparatus outputs a constant voltage in accordance with a measurement value of a current through the transmitter coil.

Abstract: A power transmission device 2 for a non-contact power supply device 1 has: a transmission coil 14; a coil 15 connected in series to the transmission coil 14 without joining to a reception coil 21 during power transmission, said reception coil being included in a resonance circuit 20 for a power reception device 3; a power supply circuit 10 that supplies, to the transmission coil 14, AC power having a switching frequency at which the transmission coil 14 does not resonate; and a control circuit 19 that controls the switching frequency and voltage of the AC power supplied to the transmission coil 14 and controls whether or not both ends of the coil 15 are short-circuited.

Abstract: A contactless power transmission apparatus includes a secondary device that includes a resonant circuit including a second transmitter coil that transmits and receives electric power to and from a first transmitter coil included in a primary device and a resonant capacitor connected in parallel to the second transmitter coil, a second converter circuit connected to the resonant circuit to convert alternating current power flowing through the resonant circuit to direct current power and convert direct current power to alternating current power flowing through the resonant circuit, a coil connected in series to the second transmitter coil between the resonant circuit and the second converter circuit, and a capacitor connected in series to the second transmitter coil between the second transmitter coil and the second converter circuit.

Abstract: A power transmission device 2 in a non-contact power supply device 1 has: a transmission coil 14 that supplies power to a power reception device 3; and a power supply circuit 10 that supplies AC voltage having a switching frequency at which the transmission coil 14 does not resonate, to the transmission coil 14. A power reception device 3 has: a resonance circuit 20 having a reception coil 21 that receives power from the power transmission device 2 and a resonance capacitor 22 connected in parallel to the reception coil 21; a rectification circuit 24 that rectifies power output from the resonance circuit 20; and a coil 23 connected in series to the reception coil 21, between the resonance circuit 20 and the rectification circuit 24.

Abstract: A contactless power transmission apparatus includes a receiver that includes a resonant circuit including a receiver coil that receives electric power from a transmitter coil included in a transmitter and a resonant capacitor connected in parallel to the receiver coil. The receiver outputs, through an output coil having fewer turns than the receiver coil and a coil connected to the output coil, electric power received by the resonant circuit and rectifies the output power with a rectifier circuit. The transmitter includes a control circuit that controls a voltage and a switching frequency of alternating current power to be supplied to the transmitter coil from a power supply circuit to allow the contactless power transmission apparatus to continuously perform a constant voltage output operation.

Abstract: A power transmission device 2 for a non-contact power supply device 1 has: a transmission coil 14; a coil 15 connected in series to the transmission coil 14 without joining to a reception coil 21 during power transmission, said reception coil being included in a resonance circuit 20 for a power reception device 3; a power supply circuit 10 that supplies, to the transmission coil 14, AC power having a switching frequency at which the transmission coil 14 does not resonate; and a control circuit 19 that controls the switching frequency and voltage of the AC power supplied to the transmission coil 14 and controls whether or not both ends of the coil 15 are short-circuited.

Abstract: A power receiving device 3 of a non-contact power supply device 1 has: a resonant circuit 20 having a receiving coil 21 for receiving power from a power transmission device 2; and a rectifier circuit 24 for rectifying power output from the resonant circuit 20. The power transmission device 2 has: a transmission coil 14 for supplying power to the power receiving device 3; a power supply circuit 10 for supplying AC power having an adjustable switching frequency to the power transmission coil 14; and a control circuit 17 that stops the power supply from the power supply circuit 10 to the transmission coil 14 when the non-contact power supply device 1 does not perform a constant voltage output operation even if the switching frequency is changed over a predetermined frequency range.

Abstract: A power transmission device 2 in a non-contact power supply device 1 has: a transmission coil 14 that supplies power to a power reception device 3; and a power supply circuit 10 that supplies AC voltage having a switching frequency at which the transmission coil 14 does not resonate, to the transmission coil 14. A power reception device 3 has: a resonance circuit 20 having a reception coil 21 that receives power from the power transmission device 2 and a resonance capacitor 22 connected in parallel to the reception coil 21; a rectification circuit 24 that rectifies power output from the resonance circuit 20; and a coil 23 connected in series to the reception coil 21, between the resonance circuit 20 and the rectification circuit 24.

Abstract: A contactless power transmission apparatus includes a secondary device that includes a resonant circuit including a second transmitter coil that transmits and receives electric power to and from a first transmitter coil included in a primary device and a resonant capacitor connected in parallel to the second transmitter coil, a second converter circuit connected to the resonant circuit to convert alternating current power flowing through the resonant circuit to direct current power and convert direct current power to alternating current power flowing through the resonant circuit, a coil connected in series to the second transmitter coil between the resonant circuit and the second converter circuit, and a capacitor connected in series to the second transmitter coil between the second transmitter coil and the second converter circuit.

Abstract: A current sensor configured to detect electric current flowing through an object to be measured in a state where the current sensor encloses the object to be measured includes a coil body configured to detect the electric current flowing through the object to be measured, and a holding portion to which a base end portion of the coil body is attached, the holding portion being configured to insert and hold a leading end 1a of the coil body in an insertion port. A part having a greater curvature than a curvature of the base end portion is formed in a leading end portion having the leading end of the coil body.