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:
Jun. 23, 1981
Filed:
Aug. 02, 1979
Applicant:
Inventors:
Sheldon A Canfield, Newark, OH (US);
Richard H Pierce, Columbus, OH (US);
Kenneth L Rapp, Granville, OH (US);
Assignee:
Owens-Corning Fiberglas Corporation, Toledo, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250239 ;
Abstract
In an electro-optical strand motion detecting device the improvement comprises an optically transparent tubular shield surrounding the path of said strand at said sensor.