Optical card and a recording/reproduction apparatus for the...

Details Optical card and a recording/reproduction apparatus for the... Optical card and a recording/reproduction apparatus for the...

G - Physics

11

B

352/57

G11B 7/00 (2006.01) G11B 7/0033 (2006.01) G11B 7/09 (2006.01) G11B 7/24 (2006.01)

Patent

CA 1328692

ABSTRACT OF THE DISCLOSURE An optical card is disclosed having a memory region in which one pit train for supplying a track servo signal and a synchronizing signal is formed at an edge portion of the memory region. The optical card has an increased storing capacity because it requires only one pit train. A recording/reproduction apparatus for the card comprises first and second optical heads. The first optical head scans the pit train to obtain the track servo signal and a synchronizing signal. The second optical head is used for recording and reproducing information from the optical card.

598746

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