Information recording/reproducing apparatus in which a control v

Details Information recording/reproducing apparatus in which a control v Information recording/reproducing apparatus in which a control v

1994-11-29

1997-07-08

Hindi, Nabil

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 4428, G11B 700

Patent

active

056469152

ABSTRACT:
An information recording and/or reproducing apparatus includes a head for effecting information recording on and/or information reproduction from a recording medium. The head is moved to a desired track on the recording medium by a driving device. A tracking error signal of the head, generated when the head is moved by the driving device is detected. At every predetermined period of the tracking error signal, the head drive velocity is calculated from a distance corresponding to the predetermined period and a time corresponding to the predetermined period. The calculated velocity is corrected on the basis of an acceleration of the head and a time period during which the acceleration is applied, so that the driving device is controlled by use of the corrected drive velocity.

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patent: 5182736 (1993-01-01), Yanagi
patent: 5258966 (1993-11-01), Yanagi
patent: 5285431 (1994-02-01), Ogawa
patent: 5329509 (1994-07-01), Takahara et al.
patent: 5398221 (1995-03-01), Ogawa

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