Patent · US Active

Wireless energy transfer with feedback control for lighting applications

US8552592B2 · kind B2 · utility

219Cited by

126References

26Claims

0Family size

Assignee

WiTricity Corporation · US

Inventors

David A. Schatz · Needham, US
Herbert Toby Lou · Carlisle, US
Morris P. Kesler · Bedford, US
Katherine L. Hall · Westford, US
Konrad J. Kulikowski · North Andover, US
Eric R. Giler · Wellesley, US
Ron Fiorello · Tewksbury, US

Key dates

Filing date	Feb 2, 2010
Grant date	Oct 8, 2013
Priority date	—
Expiry date	Aug 10, 2032

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60L2200/26
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

Described herein are improved configurations for a wireless lighting power transfer method including providing a source having a source resonator that includes a high-Q source magnetic resonator coupled to a power source, providing a device having a device resonator that includes a high-Q device magnetic resonator, distal from the source resonator, the device including a light emitting part electrically coupled to the device resonator, providing a signaling capability between the source and the device, signaling a state of the device to the source using the signaling capability, and energizing the source to generate an oscillating magnetic field according to the state of the device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.