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:
Jul. 09, 1991
Filed:
Mar. 14, 1990
Applicant:
Inventor:
Masayuki Ikeuchi, Himeji, JP;
Assignee:
Mitsubishi Denki K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
25023114 ; 2502 / ;
Abstract
A rotational angle detector provided in an engine ignition distributor. Light emitting and the light receiving sections are disposed in opposed positions on the two sides of a disk fixed to a rotary shaft, and a pair of slit plates are respectively disposed in front of the light emitting and the light receiving sections with the disk interposed between the slit plates. At least one of the slit plates is formed of an electroconductive material and is grounded.