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. 10, 2002
Filed:
Aug. 27, 1999
Kazutoshi Ishibashi, Fuji, JP;
Ichiro Shibasaki, Fuji, JP;
Other;
Abstract
A magnetic sensor with a signal processing circuit includes a magnetic sensor section composed of a compound semiconductor thin film or a magnetic thin film, and a signal processing circuit for amplifying a magnetic signal the magnetic sensor section detects as an electrical output. The signal processing circuit includes an operational amplifier and a constant current circuit for carrying out feedback. The constant current circuit in the signal processing circuit includes a plurality of resistors with two or more different temperature coefficients, and the current output from the constant current circuit has a temperature coefficient inversely proportional to the temperature coefficient of the combined resistance of the plurality of the resistors.