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. 29, 1983
Filed:
May. 26, 1981
Applicant:
Inventor:
Marvin Camras, Glencoe, IL (US);
Assignee:
IIT Research Institute, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358342 ; 369111 ; 369113 ; 358341 ;
Abstract
An optical transducer system reproduces a videodisk record by rotating the disc at a low speed. A record guiding means is comprised of a ribbed gate region. The ribs engage the disc on opposite margins of the optical images recorded on the disc and extend in a circumferential direction.