About 151 results
https://drivepatents.com/patents/991211 · 1 May 2013
In a non-contact electric power transmission system that electrically charges a device in a non-contact fashion, a transmitting circuit of a contact-less power transmitter includes both an excitation element and a resonance element, both corresponding to o...
https://drivepatents.com/patents/991458 · 24 Apr 2013
A power-saving driving device is provided for a device 23 having the same load pattern and driven by a motor 21 receiving electric power from an inverter 19. The power-saving driving device includes a DC-DC converter 93 driven by a battery 91 and the inver...
https://drivepatents.com/patents/985115 · 17 Apr 2013
A wireless power repeater for transferring power from a wireless power transmitter to a wireless power receiver according to the embodiment includes a repeater resonant unit resonance-coupled with the wireless power transmitter for transferring the receive...
https://drivepatents.com/patents/991849 · 10 Apr 2013
A wireless multi-charging method of a power transmitter 100 that wirelessly transmits power includes sensing a first power receiver 200, increasing a transmission power required for charging the first power receiver 200, sensing a second power receiver, de...
https://drivepatents.com/patents/991834 · 10 Apr 2013
A power source device and a power charge device interoperate according to a wireless charging protocol. The power source device inductively wirelessly transmits charging energy signal via an inductive wireless power transmitting circuit. The power charge d...
https://drivepatents.com/patents/991823 · 10 Apr 2013
An apparatus and a method are described for envelope detection used in fields including voice processing, image processing, data communication, and energy/data transmission. The apparatus and the method for envelope detection eliminate a carrier component ...
https://drivepatents.com/patents/985394 · 27 Mar 2013
The oscillator has a primary switch (Qv1) which is driven by alternating current (AC), and resonant network including first inductor (L01) and capacitor. The second and third inductors (L02,L03) and capacitors are coupled to resonant network over switch. A...
https://drivepatents.com/patents/985354 · 27 Mar 2013
Provided is a device and method for wirelessly transmitting power, and a wireless power transmission device that may control an electrical connection between a power charger and a transmitter to charge a source resonator with power and transmit the charged...
https://drivepatents.com/patents/985310 · 27 Mar 2013
A power receiving unit includes a communication unit, a control unit, a detecting unit that performs metallic foreign matter detection, and a charge storage unit. The control unit is configured to control charging so electric power is stored in the charge ...
https://drivepatents.com/patents/985750 · 13 Mar 2013
A power generator includes: a power generating section 101 that outputs DC energy; an oscillating section 102 that converts the DC energy into RF energy with a frequency f0; a power-transmitting antenna 107 that transmits the RF energy; a power-receiving a...