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:
Apr. 20, 2004
Filed:
Sep. 26, 2001
Tatsuya Matsunaga, Kyoto, JP;
Masahiro Kawachi, Kyoto, JP;
Omron Corporation, Kyoto, JP;
Abstract
Provided is a visual displacement sensor which comprises a laser diode ( ) for impinging a line beam onto an object to be measured at a prescribed angle, a two-dimensional CCD ( ) for monitoring the object to be measured, on which the line beam is impinged, from a different angle, measurement object range defining means for defining one or more than one measurement object range (K , K ) within a field of view of the two-dimensional CCD, measurement point coordinate determining means for determining one or more than one measurement point coordinate (A ) contained in the defined measurement object range according to an image captured by the two-dimensional CCD, and displacement measuring means for measuring a desired displacement according to the determined one or more than one measurement point coordinate.