Optical information recording and reproducing apparatus

Details Optical information recording and reproducing apparatus Optical information recording and reproducing apparatus

1988-09-21

1991-01-15

Levy, Stuart S.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

369 54, 369110, G11B 1304, G11B 1110, G11B 1112

Patent

active

049858807

ABSTRACT:
An improved optical information recording and reproducing apparatus which is capable of detecting recording errors simultaneously with recording function for reduction of recording time, without requiring particular high accuracy for an optical system, and avoiding complication in the construction and consequent large size of the optical system.

REFERENCES:
patent: 3731290 (1973-05-01), Aagard
patent: 4599714 (1986-07-01), Endo
patent: 4689779 (1987-08-01), Hayashi et al.

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