About 59 results
https://drivepatents.com/patents/968448 · 22 Oct 2014
A non-contact electric power transmission and reception system includes an electric power transmission portion (220) provided in an electric power transmission device (200A or 200B), for transmitting electric power to a vehicle in a non-contact manner, an ...
https://drivepatents.com/patents/969120 · 8 Oct 2014
A wireless power transfer device (1) includes a power-supplying circuit (13) that supplies power to be transferred between a power-transmitting coil (L1) and a power receiving coil (L2) with at least one of the relative position and orientation between the...
https://drivepatents.com/patents/970360 · 10 Sep 2014
A coil unit configured to transmit or receive electric power by electromagnetic induction in a noncontact manner, including: a coil into or from both terminals of which a high-frequency voltage is input or output; a metal conductor placed near the coil; an...
https://drivepatents.com/patents/970609 · 3 Sep 2014
A power feeder (15) of a contactless power transmission device (14) includes a housing base member (35), a primary coil (40) provided on the housing base member (35) and configured to generate magnetic flux, a cover (36) attached to the housing base member...
https://drivepatents.com/patents/970952 · 27 Aug 2014
A power supply device which performs power supply from an outside to a vehicle includes: a power source section (250) for performing the power supply to the vehicle; and a control device (240) that performs control of the power source section. The control ...
https://drivepatents.com/patents/971620 · 6 Aug 2014
A non-contact power supply device comprises: a primary winding (101); and a secondary winding (201) to which an electric power is supplied from an alternating current power supply via the primary winding, wherein an impedance characteristic of Z1 with resp...
https://drivepatents.com/patents/975265 · 7 May 2014
Disclosed is a method of designing a power feeding system achieving critical coupling at a desired resonance frequency without adjusting a size or a distance of a coil, and thus obtain high transmission efficiency over broad band. The method includes desig...
https://drivepatents.com/patents/975819 · 23 Apr 2014
A resonance system that receives power from a power source section is configured by at least a primary resonance coil, a secondary resonance coil, and a load. The output frequency f o of the power source section is set to lie within one of the frequency ra...
https://drivepatents.com/patents/975814 · 23 Apr 2014
A resonance-type non-contact power supply system is configured such that a power supply section is changeable in output frequency, and has an impedance measuring means (impedance measuring section) that measures the input impedance of a resonant system. Th...
https://drivepatents.com/patents/978044 · 26 Feb 2014
A resonance-type non-contact power supply system (10) includes a transmitting side metal shield (80) to cover an area around a primary coil (30) and a primary resonance coil (35). One end of a coaxial cable outer conductor (64) of a transmitting side coaxi...