Laser drum for use in recording and reproducing information on o

Details Laser drum for use in recording and reproducing information on o Laser drum for use in recording and reproducing information on o

1987-02-24

1989-02-21

Faber, Alan

Dynamic information storage or retrieval

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

Mechanism control by the control signal

346108, 369 44, 369106, 369111, 369116, 369122, 369 97, G11B 709, G11B 712

Patent

active

048072133

ABSTRACT:
A laser drum which can optically record and reproduce information on optical tapes. The laser drum comprises an upper drum which has two projection holes, rotates and is fitted with semiconductor lasers, a total reflective prism, stoppers, diffraction gratings, beam splitters, object lenses, condensing lenses and photodetectors.

REFERENCES:
patent: 3823276 (1974-07-01), Maslowski et al.
patent: 4496209 (1985-01-01), Itoh
patent: 4498197 (1985-02-01), Chown
patent: 4514055 (1985-04-01), Grant
patent: 4523089 (1985-06-01), Maeda et al.
patent: 4525024 (1985-06-01), Tatsuno et al.
patent: 4525828 (1985-06-01), Higashiyama et al.
patent: 4527173 (1985-07-01), Gupta et al.
patent: 4534615 (1985-08-01), Iwasaki
patent: 4535458 (1985-08-01), Inoue
patent: 4539686 (1985-09-01), Bosch et al.
patent: 4539687 (1985-09-01), Gordon
patent: 4544228 (1985-10-01), Rando
patent: 4551819 (1985-11-01), Michi et al.
patent: 4556291 (1985-12-01), Chen
patent: 4661941 (1987-04-01), Bell et al.
patent: 4669070 (1987-05-01), Bell et al.

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