Recording and/or reproducing apparatus for tape type optical rec

Details Recording and/or reproducing apparatus for tape type optical rec Recording and/or reproducing apparatus for tape type optical rec

1988-12-07

1991-03-12

McElheny, Jr., Donald

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 97, G11B 700

Patent

active

049998277

ABSTRACT:
A recording and/or reproducing apparatus for a tape type optical recording medium has a transparent guide on which guide tracks are precisely formed. A scanning beam is controlled so as to scan along the guide tracks and is converged on the recording surface of the tape type recording medium. The accuracy of the recording tracks on the tape is equivalent to that of the guide tracks. In this way, recording tracks can be precisely formed on the tape witout the step required in the prior art methods of pre-forming guide tracks on the recording medium.

REFERENCES:
patent: 3262122 (1966-07-01), Fleisher et al.
patent: 3314075 (1967-04-01), Becker et al.
patent: 3679817 (1972-07-01), Goldmark
patent: 3703724 (1972-11-01), Thomas
patent: 3841733 (1974-10-01), Ebersole
patent: 4199783 (1980-04-01), Huignard et al.
patent: 4633455 (1986-12-01), Hudson
Patents Abstract of Japan, vol. 10, No. 190, Jul. 4, 1986.

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