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:
Sep. 14, 2004
Filed:
Mar. 21, 2003
Applicant:
Inventor:
Kenichi Nakajima, Hanyu, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 3/16 ; H03F 3/45 ;
U.S. Cl.
CPC ...
G05F 3/16 ; H03F 3/45 ;
Abstract
A limiter circuit according to this invention includes a first differential amplifier, a first transistor to a base of which the output of the first differential amplifier is applied, a first feedback path, a first current source connected to the emitter of the first transistor, a second differential amplifier, a second transistor to a base of which the output of the second differential amplifier is applied, a second feedback path, a second current source connected to the emitter of the second transistor and a resistance connected between the emitter of the first transistor and the emitter of the second transistor.