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. 12, 1993
Filed:
Jun. 25, 1991
Applicant:
Inventors:
Kourou Kitajima, Osaka, JP;
Hiroshi Sekii, Ibaraki, JP;
Assignee:
Omron Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
250561 ; 356-1 ; 2502014 ;
Abstract
The invention provides a displacement sensor comprising a light-emitting element for projecting a detection light towards an object in a substantially perpendicular direction, a condensing element for condensing a reflected light from the object, and a position sensitive device with its light-receiving surface disposed in parallel with the axis of the detection light. A positioning apparatus employing the above displacement sensor is also disclosed.