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. 16, 1999
Filed:
Dec. 05, 1996
Applicant:
Inventors:
Thomas M Crabb, Middleton, WI (US);
Robert C Richter, Cambridge, WI (US);
Assignee:
Orbital Technologies Corporation, Madison, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01P / ; G01D / ;
U.S. Cl.
CPC ...
7351426 ; 25023113 ; 356138 ;
Abstract
A rotation sensor utilizing light reflection and/or refraction techniques including a light source, a light reflecting surface and a reflected light receiving member in which the elements are positioned so that the intensity of light reflected by the reflecting surface and received by the receiving member is unique for each rotational position being measured. The invention also relates to a method utilizing the above sensor.