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:
Dec. 31, 1991
Filed:
May. 22, 1989
Applicant:
Inventor:
David P Gregg, Culver City, CA (US);
Assignee:
Del Mar Avionics, Irvine, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369258 ; 369272 ; 360132 ;
Abstract
The invention is a sealed optical tape cassette. Sealed means is employed to pull optical tape across a mobile recording bridge situated behind a transparent window. Bridge is operated upon by a pair of sealed internal/external pins to control tape tilt, focus and tracking of a light beam from a spinning optical head in a recorder/player to a desired point on the optical tape.
Quick Actions:
Gregg, David. (1991). Optical tape cartridge (U.S. Patent No. 5077724). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5077724
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile