G - Physics – 11 – B
Patent
G - Physics
11
B
352/53.7
G11B 23/00 (2006.01) G11B 7/0033 (2006.01) G11B 7/08 (2006.01) G11B 7/24 (2006.01) G11B 17/34 (2006.01) G11B 25/04 (2006.01)
Patent
CA 1333094
An optical card comprising an optical storage medium and a single or a plurality of members made of a magnetic material which are incorporated with the optical card; a card holder for holding an optical card comprising a table for supporting the optical card and a single member or a plurality of members made of a magnetic material for attracting the optical card; and an apparatus for recording and reproducing information on and from the optical card comprising a card holder, a light-irradiating unit for emitting light beams onto the optical storage medium of the optical card, and a drive unit for relatively moving the card holder and the light-irradiating unit for tracking, with which the recording, reproducing, or erasing operation can be accurately carried out.
596995
Katayama Hiroyuki
Kimura Kazuhiro
Kobayashi Shozo
Matoba Hirotsugu
Nakayama Junichiro
G. Ronald Bell & Associates
Sharp Kabushiki Kaisha
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