About 124 results
https://drivepatents.com/patents/1010719 · 27 Jul 2011
A power charging system is provided. The power charging system may have an information processing apparatus having a first communication unit and a power receiving unit, and an external apparatus having a second communication unit and a power transmission ...
https://drivepatents.com/patents/1012082 · 15 Jun 2011
The contactless power reception circuit (100) includes a coil antenna (11), a rectifying circuit (12), a voltage transforming circuit (13) and a load modulation circuit (14), wherein the voltage transforming circuit (13) includes an input smoothing capacit...
https://drivepatents.com/patents/1012408 · 1 Jun 2011
A device includes an integrated power receive circuit, a battery charger, a battery, a processing module, one or more input/output modules, and one or more circuit modules. The integrated power receive circuit is operable to generate a DC voltage from a re...
https://drivepatents.com/patents/1013490 · 27 Apr 2011
The system has a recharging device (4) for recharging a portable appliance by providing electric energy, and an adapter (6) for transferring electric energy in a discontinuous manner from the recharging device to the appliance. A guiding and/or maintaining...
https://drivepatents.com/patents/1014072 · 6 Apr 2011
A power transmission apparatus (81) including a power transmitting unit (91) which includes an induction unit (141) which receives an electrical energy from an external power source (101) by induction and a magnetic resonance unit (131) which transmits the...
https://drivepatents.com/patents/1014414 · 30 Mar 2011
The present invention provides a power transfer device for charging a wireless communication device having a communication bandwidth, and an associated method of transferring power. The device and method of the invention use a spread-spectrum technique to ...
https://drivepatents.com/patents/1071391 · 28 Dec 2005
An arrangement for use with a mobile communications device, the arrangement comprising: a flexible magnetisable element (1); and a power supply unit comprising a first electrically conductive coil (3); wherein the magnetisable element is capable of receivi...
https://drivepatents.com/patents/1083155 · 20 Oct 2004
This system includes a transformer separable/detachable between a primary winding and a secondary winding, and a capacitor connected parallel to the secondary winding of the above-mentioned transformer, and supplies a high-frequency AC voltage to the prima...
https://drivepatents.com/patents/1088236 · 7 Apr 2004
The multimeter (10) when not in use stands in a base (20) which is connected to a mains cable (35). The base has a transmitting coil (34) which operates at between 20-60 kHz and is fed from an oscillator (33), a filter/rectifier (32) and a filter (31). The...
Inductive charger for a portable electronic article like, in particular, a wristwatch type timepiece
https://drivepatents.com/patents/1096739 · 16 Apr 2003
The charger has a winding in the charging base forming the primary of a transformer coupling to a secondary winding in the portable device (6). The charging base has a recess (38) to receive part (34) the portable device. When correctly in place the windin...