Optical pickup with two optical systems each generates a laser b

Details Optical pickup with two optical systems each generates a laser b Optical pickup with two optical systems each generates a laser b

1995-07-28

1997-05-27

Epps, Georgia Y.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369197, 369265, 369 84, G11B 1708, G11B 700

Patent

active

056338538

ABSTRACT:
An optical pickup device for reading a multitude of disks. A first optical system for reading a first optical disk by generating a first laser beam, exposing the first laser beam on the first optical disk and receiving a first reflected light from the first optical disk system, and a second optical system for reading a second optical disk by producing a second laser beam, exposing the second laser beam on the second optical disk and receiving a second reflected light from the second optical disk are provided. Reproduction of the multitude of disks without transporting the pickup device can be formed continuously.

REFERENCES:
patent: 4742508 (1988-05-01), Lee et al.
patent: 5276669 (1994-01-01), Oohashi et al.
patent: 5414688 (1995-05-01), Inokuchi
patent: 5420690 (1995-05-01), Koishi
patent: 5465244 (1995-11-01), Kobayashi et al.

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