G - Physics
06
K
G06K 19/14 (2006.01) G11B 7/0033 (2006.01) G11B 7/09 (2006.01) G11B 7/24 (2006.01)
Patent
CA 2098157
The present invention provides an optical card wherein the irradiation position of laser beams is pulled back into an information recording section 1 in such a manner that the operation of recording or reproducing information can continue. In this optical card, information is recorded on or reproduced from a prescribed information recording section on a card surface in accordance with optical scanning along guide tracks provided in the card surface, and the optical card is provided with a mirror section arranged adjacent to the information recording section in the direction parallel to the direction of optical scanning of the information recording section. The optical card is characterized in that the mirror section is provided with at least one pair of curved auxiliary guide tracks that are connected to the guide tracks in the information recording section.
Noda Kazuo
Yamazaki Koichi
Fetherstonhaugh & Co.
Nippon Conlux Co. Ltd.
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