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. 22, 1988
Filed:
Dec. 19, 1985
Hiroshi Matsuoka, Kawasaki, JP;
Akio Aoki, Tokyo, JP;
Hideki Hosoya, Yokohama, JP;
Kazuhiko Matsuoka, Yokohama, JP;
Masayuki Usui, Yokohama, JP;
Kazuo Minoura, Yokohama, JP;
Fumiaki Kawaguchi, Tokyo, JP;
Masahiko Enari, Yokohama, JP;
Kenichi Suzuki, Yokohama, JP;
Satoshi Shikichi, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An optical information recording medium in the form of a card having tracking tracks for obtaining a tracking signal and clock tracks for obtaining a clock signal arranged alternately and record zones for recording information between each of the tracking tracks and each of the clock tracks, and apparatus for recording/reproducing information using the recording medium.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile