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:
Nov. 27, 2001
Filed:
Nov. 03, 1999
Applicant:
Inventors:
Masayuki Nishimura, Osaka, JP;
Tsuyoshi Yamaguchi, Osaka, JP;
Koji Hiragi, Osaka, JP;
Shinichi Maruo, Osaka, JP;
Mitsuhiro Izumi, Osaka, JP;
Assignee:
Diamond Electric Mfg. Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 7/30 ; G01R 3/307 ; G01P 3/488 ; F02D 3/500 ;
U.S. Cl.
CPC ...
G01B 7/30 ; G01R 3/307 ; G01P 3/488 ; F02D 3/500 ;
Abstract
A rotational position detecting apparatus for an internal-combustion engine for use with a Hall IC comprising at least two Hall elements for detecting the protrusion of a rotator. One of the two Hall elements is arranged with a magnet for forming a magnetic field, and the magnet is disposed on one side of the Hall IC to form a magnetic circuit for converging the magnetic flux on only one element within the Hall IC.