Optical recording/reproducing apparatus with means to shift ligh

Details Optical recording/reproducing apparatus with means to shift ligh Optical recording/reproducing apparatus with means to shift ligh

1989-02-01

1990-04-10

Richardson, Robert L.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

346 76L, 369 54, 369 58, 369116, 369121, 358342, G11B 785, G11B 700

Patent

active

049166832

ABSTRACT:
When it is detected that the light spot stays in a same track for a time exceeding a predetermined length of time, the light spot is moved to any other track. Thus, the light spot is prevented from staying on a same track for a long time without recording/reproducing data.

REFERENCES:
patent: 4538257 (1985-08-01), Klinger
patent: 4611248 (1986-09-01), Honj et al.
patent: 4611315 (1986-09-01), Ogino

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