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. 19, 2005
Filed:
Jun. 26, 2003
Applicant:
Nagayoshi Dobashi, Atsugi, JP;
Inventor:
Nagayoshi Dobashi, Atsugi, JP;
Assignee:
Mitsumi Electric Co., Ltd., Tama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R019/00 ;
U.S. Cl.
CPC ...
Abstract
In a multi-level output circuit, an amplifier circuit amplifies a constant input voltage and outputs the amplified constant input voltage. The multi-level output circuit is capable of selectively outputting signals of different levels by switching the gain of the amplifier circuit by a switch.