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. 28, 2000
Filed:
Oct. 23, 1997
Applicant:
Inventors:
Akihiro Fujita, Kitakatsuragi-gun, JP;
Mitsuo Kobachi, Ayama-gun, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250216 ; 250239 ; 25023118 ; 257 82 ;
Abstract
An optical sensor includes a sensor section provided in a secured manner and including a light emitting element and a light receiving element located opposed to the light emitting element; and a reflective body connected to an operation section and movable with respect to the sensor section. The reflective body is a concave mirror for guiding light from the light emitting element to the light receiving element.