Title:
FOREIGN MATTER DETECTOR, POWER TRANSMITTER, POWER RECEIVER, AND WIRELESS POWER TRANSMISSION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2015/132818
Kind Code:
A1
Abstract:
A foreign matter detector is provided with an electronic oscillator (100) that has a coil (110) and resonant capacitors (Cx, Cy) and is configured so as to output voltage having a DC component and an AC component having positive and negative cycles and an electrical circuit that detects changes in the AC component and DC component of the voltage output by the electronic oscillator (100) when foreign matter approaches the coil (110).
Inventors:
ASANUMA KENICHI
YAMAMOTO ATSUSHI
YAMAMOTO HIROSHI
YAMAMOTO ATSUSHI
YAMAMOTO HIROSHI
Application Number:
PCT/JP2014/001211
Publication Date:
September 11, 2015
Filing Date:
March 05, 2014
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G01V3/10; H02J17/00
Domestic Patent References:
| WO2012132818A1 | 2012-10-04 |
Foreign References:
| JP2005140701A | 2005-06-02 |
Other References:
See also references of EP 3009866A4
Attorney, Agent or Firm:
OKUDA, SEIJI (JP)
Seiji Okuda (JP)
Seiji Okuda (JP)
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