About 23 results
https://drivepatents.com/patents/954999 · 23 Dec 2015
The present invention provides a coil which maintains a balance of a parasitic capacitance and has a structure that can be multilayered. The coil is a coil with a stacked structure which includes winding wire portions formed of a wire wound for several tur...
https://drivepatents.com/patents/948447 · 7 Oct 2015
A coil for wireless power transmission in which a plurality of magnetic connection members are disposed in a manner which magnetically connects coils among a plurality of coils, which are adjacent with one or more coils therebetween, and does not magnetica...
https://drivepatents.com/patents/948640 · 30 Sep 2015
A coil unit includes a non-magnetic conductive plate which is disposed in an arrangement direction of first and second coils have reverse winding direction to each other, and a magnetic body. The magnetic body includes a first portion which is positioned i...
https://drivepatents.com/patents/959487 · 1 Jul 2015
A power feeding coil unit includes a power feeding coil, and first and second auxiliary coils located outside of the region defined by a wire of the power feeding coil. The axis of the first auxiliary coil and the axis of the second auxiliary coil are subs...
https://drivepatents.com/patents/959959 · 17 Jun 2015
A power feeding coil unit includes a power feeding coil, and an auxiliary coil. The auxiliary coil is arranged not to interlink with a magnetic flux that interlinks with a power receiving coil that is arranged to face the power feeding coil during power fe...
https://drivepatents.com/patents/960279 · 3 Jun 2015
The present invention aims to provide a coil unit with an improved accuracy in detecting foreign matter and an apparatus for detecting foreign matter with a better accuracy in detecting foreign matter when power is transmitted in a contactless manner. A po...
https://drivepatents.com/patents/961577 · 15 Apr 2015
The present invention provides a power receiving device and a power feeding device, which improve convenience of the user by increasing the freedom of configuring the power receiving device with respect to the power feeding device and freedom of configurin...
https://drivepatents.com/patents/965505 · 31 Dec 2014
A wireless power receiving device includes a voltage detection unit that detects an output voltage value of a rectifying unit, a power reduction unit that includes a switching element connected to a charging unit in parallel, and a control unit that contro...
https://drivepatents.com/patents/987548 · 14 Aug 2013
The present invention provides a photoelectric conversion device that has enhanced photoelectric conversion characteristics and durability, and the like. In a photoelectric conversion device comprising a working electrode having a dye-supported metal oxide...
https://drivepatents.com/patents/993098 · 6 Feb 2013
A rare earth sintered magnet 10 including a magnet body that includes a rare earth compound, and a protective layer on the magnet body, having a first layer and a second layer in that order from the magnet body side, wherein the surface portion of the magn...