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:
Apr. 01, 2008
Filed:
Aug. 27, 2003
Applicants:
Takayuki Kitazawa, Nagano, JP;
Naoyuki Miyazawa, Yamanashi, JP;
Inventors:
Takayuki Kitazawa, Nagano, JP;
Naoyuki Miyazawa, Yamanashi, JP;
Assignee:
Fujitsu Quantum Devices Limited, Yamanashi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/18 (2006.01); H04B 1/06 (2006.01); H01H 35/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A switching circuit includes switching transistors connected to one of an input terminal and an output terminal of the switching circuit, and a control bias supply circuit that supplies a control bias for cutting off all the switching transistors to the switching transistors when all of the switching transistors are in a non-selected state.