Information recording and/or reproducing apparatus and method fo

Details Information recording and/or reproducing apparatus and method fo Information recording and/or reproducing apparatus and method fo

1994-08-08

1997-06-10

Neyzari, Ali

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 58, 235454, G11B 1722, G06K 710

Patent

active

056383452

ABSTRACT:
An information recording and/or reproducing apparatus which can prohibit an optical head from trying to access a data track which does not exist on the optical recording medium. The information recording and/or reproducing apparatus is used with an optical recording medium having a plurality of tracks. The information recording and/or reproducing apparatus comprises an optical head which irradiates the optical recording medium with a light beam and detects reflected light from the optical recording medium, a device for controlling the apparatus so as to read information about a number of the tracks of the optical recording medium, and memorize the information as an initial action. The optical head is moved by a driving device within a range according to the memorized information.

REFERENCES:
patent: 4885458 (1989-12-01), Horiguchi et al.
patent: 4979159 (1990-12-01), Tsuruoka et al.
patent: 4982391 (1991-01-01), Sakagami et al.
patent: 4998009 (1991-03-01), Iijima et al.
patent: 5204514 (1993-04-01), Horiguchi
patent: 5247499 (1993-09-01), Hayashi et al.
patent: 5293568 (1994-03-01), Oshiba et al.
patent: 5410137 (1995-04-01), Ichikawa
Patent Abstracts of Japan, Kokai No. 4-98623, vol. 16, No. 333, Jul. 1992.

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