Optical write/read device and an information recording media

Details Optical write/read device and an information recording media Optical write/read device and an information recording media

1995-07-28

1996-12-17

Ben, Loha

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 48, 369109, 369 94, 369 4438, 359 15, 359566, 359569, G11B 700

Patent

active

055860966

ABSTRACT:
The present invention comprises an optical write/read device including a light emitting/receiving portion having light emitting elements and light receiving elements which are arranged in parallel with one another, and a simple optical system. In the optical system, light emitted from the light emitting element is lead to an information recording medium, and light reflected on the information recording medium among lights emitted from the light emitting elements is lead to the light receiving element. Accordingly, the light emitting element can be used as a recording light source and a reading light source, and further the light receiving elements arranged in parallel with the light emitting elements can be used as an optical detector. The information recording medium employed by the optical write/read device includes a column of positional aligning marks.

REFERENCES:
patent: 4598393 (1986-07-01), Pierce et al.
patent: 4787075 (1988-11-01), Matsuoka et al.
patent: 4908813 (1990-03-01), Ojima et al.
patent: 5181161 (1993-01-01), Hirose et al.
patent: 5233444 (1993-08-01), Musha et al.
patent: 5386410 (1995-01-01), Nagasaki et al.
Maruzen Kabushiki Kaisha, "Optical Disk Memory", Recording and Memory Technology Handbook, Chapter 15, pp. 517-553, Aug. 25, 1992 (In Japanese with English translation provided).

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