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:
Mar. 27, 1990
Filed:
Mar. 03, 1988
Masahiko Enari, Yokohama, JP;
Satoshi Shikichi, Tokyo, JP;
Fumiaki Kawaguchi, Tokyo, JP;
Kenichi Suzuki, Yokohama, JP;
Masayuki Usui, Yokohama, JP;
Hiroshi Matsuoka, Kawasaki, JP;
Kazuhiko Matsuoka, Yokohama, JP;
Hideki Hosoya, Yokohama, JP;
Akio Aoki, Tokyo, JP;
Kazuo Minoura, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Method and apparatus for recording information on a card-shaped optical information recording medium with a light beam and/or for reproducing information recorded on the medium. The apparatus includes a device for irradiating the medium with a light beam, a device for causing relative reciprocal movement between the medium and the light beam, and a device for terminating or displacing the light beam on the medium, after the lapse of a predetermined period of time from a moment when the relative speed of the medium and the light beam is reduced below a predetermined speed. The method includes the steps carried out by the apparatus.