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:
Aug. 13, 2002
Filed:
Jan. 24, 2001
Applicant:
Inventors:
Hirokazu Kasuya, Aichi-ken, JP;
Mituhiro Saitou, Oobu, JP;
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 3/45 ;
U.S. Cl.
CPC ...
H03F 3/45 ;
Abstract
An operational amplifier is provided which includes a first and a second output transistor which are selectively activated as a function of a potential difference between input signals to an inverting input and a non-inverting input of the operational amplifier to establish a connection between an output terminal of the operational amplifier and a positive voltage side of a dc power supply or a connection between the output terminal and a negative voltage side of the dc power supply, thereby outputting a signal from the output terminal as a function of the potential difference between the input signals in a wider voltage range.