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:
Jan. 14, 2003
Filed:
Jun. 06, 2000
Applicant:
Inventor:
Yasuhiko Takahashi, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/09 ; G11B 5/02 ; G11B 2/102 ;
U.S. Cl.
CPC ...
G11B 5/09 ; G11B 5/02 ; G11B 2/102 ;
Abstract
A signal processing circuit of a spin-valve magnetic sensor includes a polarity detection circuit for detecting a polarity of an output signal produced by the magnetic sensor and a polarity control unit controlling the polarity of the output signal in response to a result of the polarity detection.