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. 30, 1985
Filed:
Sep. 02, 1983
Applicant:
Inventor:
Edward L Laskowski, Seven Hills, OH (US);
Assignee:
Bendix Automation Company, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B / ;
U.S. Cl.
CPC ...
3316 / ; 3317 / ; 3317 / ;
Abstract
A coordinate measuring machine probe of the type including an arrangement for detecting contact with a surface, in which a light source and a plurality of photocells are arranged to generate an electrical signal upon probe pivoting motion by detection changes in light intensity sensed by the photodetectors. A summing circuit measures the total incident illumination of the photocells and controls the light source to maintain the total illumination of the photocells to be constant.