Optical recording medium track indexing system

Details Optical recording medium track indexing system Optical recording medium track indexing system

1988-12-15

1991-05-21

Richardson, Robert L.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 57, 3692753, G11B 700

Patent

active

050181203

ABSTRACT:
An optical disc medium indexing system having a plurality of elongated parallel tracks wherein each track contains a nonerasable index portion located in less than a single frame. The index portions are formed on the substrate of the disc by a plurality of indentations representing the absolute address of each track on the disc recorded in a multiplex format. Each index portion containing information on the mark, track number and CRC. The disc is constructed so that information may be recorded on the entire surface of the medium including the indexed portions.

REFERENCES:
patent: 4535439 (1985-08-01), Satoh et al.
patent: 4761692 (1988-08-01), Yoshida et al.

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