Optical video or data tape record and playback apparatus

Details Optical video or data tape record and playback apparatus Optical video or data tape record and playback apparatus

1979-09-18

1987-04-28

Buczinski, Stephen C.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

346 76L, 346108, 346109, 369 44, 369 47, 369110, G11B 700, G01D 942

Patent

active

046619410

ABSTRACT:
A record/playback apparatus is provided for recording/reproducing information signals in cooperation with an optical tape medium. The record apparatus comprises a laser source which is modulated in accordance with the information signals. A switching mirror, which is interposed between the laser source and the optical tape, switches the light beam emitted by the source to alternately scan helical tracks across an optical tape. In the playback mode a light detector is arranged to intercept the light reflected from the optical tape. The reflected light contains the information which was recorded on the optical tape during the recording operation.

REFERENCES:
patent: 3314074 (1967-04-01), Becker
patent: 3314075 (1967-04-01), Becker et al.
patent: 3474457 (1969-10-01), Becker
patent: 3654624 (1972-04-01), Becker et al.
patent: 3656175 (1972-04-01), Carlson et al.
patent: 3806643 (1974-04-01), Russell
patent: 4030122 (1977-06-01), Chemell et al.

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