OPTICAL CARD, A CARD HOLDER AND AN APPARATUS FOR RECORDING, REPRODUCING, AND ERASING INFORMATION ON AND FROM THE OPTICAL CARD

摘要

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.