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. 07, 2009
Filed:
Sep. 07, 2006
Applicant:
Masaaki Kamiya, Chuo-ku, JP;
Inventor:
Masaaki Kamiya, Chuo-ku, JP;
Assignee:
Interchip Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03G 3/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
An AC amplifier has an amplification circuit, and a bias circuit connected together by connecting wiring. The bias circuit receives an input of an AC signal from the amplification circuit via the connecting wiring. A DC voltage of the bias circuit conformed to the amplitude of the AC signal of the amplification circuit is supplied to the amplification circuit via the connecting wiring.