The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 03, 1998
Filed:
Nov. 22, 1996
Applicant:
Inventor:
Yuji Nishizawa, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
307104 ; 34031007 ;
Abstract
In the secondary circuit device for wireless transmit-receive system according to the present invention, a first power resonance capacitor and a second power resonance capacitor are connected in parallel to a power induction coil, and also there is provided a resonance capacitor select switch which selectively closes either one of the first power resonance capacitor and the second power resonance capacitor according to the transmitting mode or receiving mode.