Optical disk having relatively wide RAM tracks and relatively na

Details Optical disk having relatively wide RAM tracks and relatively na Optical disk having relatively wide RAM tracks and relatively na

1991-01-22

1992-08-11

Envall, Jr., Roy N.

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

3692753, 369272, 369 13, 235454, G11B 509

Patent

active

051385988

ABSTRACT:
A record medium having a pre-formed recording track with a recordable area on the recording track in which data is recorded and an area on the recording track used exclusively for reproduction in which data is pre-recorded by displacing the track in the track width direction and in which the track width of the data recordable area is wider than that of the area used exclusively for reproduction, so that crosstalk is minimized and the carrier-to-noise ratio and error rate when reproducing recorded data are improved.

REFERENCES:
patent: 4744074 (1988-05-01), Imanaka et al.
patent: 4893298 (1990-01-01), Pasman et al.
patent: 4910725 (1990-03-01), Drexler et al.
patent: 4947384 (1990-08-01), Suzuki et al.

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