About 122 results
https://drivepatents.com/patents/944977 · 13 Apr 2016
The present invention pertains to a mobile terminal charging device, and a vehicle using the same, and the objective of the present invention is to reduce user discomfort. In order to achieve this objective, the present invention moves a charging coil (8) ...
https://drivepatents.com/patents/948048 · 2 Dec 2015
A power transmitting device according to one embodiment includes a power transmitting antenna, an oscillator, control circuitry, and a communication circuit. The control circuitry sets an initial value of a phase shift amount, causes the oscillator to outp...
https://drivepatents.com/patents/959117 · 15 Jul 2015
A contactless charging system includes: a power transmission module (1) having a power transmission coil (2); and a power receiving module (3) having a power receiving coil (4) that receives power through electromagnetic induction and a secondary battery (...
https://drivepatents.com/patents/950159 · 15 Jul 2015
A non-contact charging system includes: a power transmission module (1) having a power transmission coil (2); and a power receiving module (3) having a power receiving coil (4) that receives power through electromagnetic induction and a built-in secondary ...
https://drivepatents.com/patents/951755 · 25 Mar 2015
A portable terminal charging apparatus for charging a portable terminal includes a body case which has a portable terminal mounting plate and is disposed on an upper face thereof, a charging coil which is movably provided in the body case opposed to a lowe...
https://drivepatents.com/patents/952180 · 11 Feb 2015
This present invention relates to a wireless power transmission method for prevention frequency interference, and more particularly to prevent frequency interference and collision between a wireless power transmitter and other devices which use a frequency...
https://drivepatents.com/patents/965716 · 31 Dec 2014
A vehicle-mounted charging device which begins to charge at an appropriate timing when driving a vehicle. A driver sets the travel distance at which charging begins while charging coil (10) and charging coil (13) are magnetically coupled, then a charge con...
https://drivepatents.com/patents/966721 · 3 Dec 2014
This specification provides a wireless power transmitter (100) capable of smoothly charging/discharging a resonant current in a manner of a pulse width modulation (PWM) control based on battery voltage information, and a method thereof. A wireless power tr...
https://drivepatents.com/patents/968313 · 29 Oct 2014
A contactless charging method according to the present invention is applied to a contactless charging system 1 which comprises a transmitting unit 10 having a primary coil 11 and a receiving unit 20 having a secondary coil 21 and which charges a battery 30...
https://drivepatents.com/patents/968139 · 29 Oct 2014
A contactless power feeder of the present invention includes: a top plate which is mounted with a load; a primary coil which is arranged below the top plate and generates a high-frequency field; an inverter which feeds high-frequency power to the primary c...