Track access apparatus having a learning control for positioning

Details Track access apparatus having a learning control for positioning Track access apparatus having a learning control for positioning

1988-05-25

1991-09-03

Envall, Jr., Roy N.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

360 7809, 369 4428, G11B 7085

Patent

active

050460587

ABSTRACT:
A controller for moving a transducer between recording tracks, comprising a current driven actuator for accelerating and decelerating the transducer for determined periods, position and velocity detectors of the transducer at the end of deceleration, error signal generators for the final position and velocity, and circuitry for increasing or decreasing periods of acceleration and deceleration based on the error signals.

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patent: 4057832 (1977-11-01), Kappert
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patent: 4166970 (1979-09-01), Cardot et al.
patent: 4355273 (1982-10-01), Du Vall
patent: 4381526 (1983-04-01), McLaughlin et al.
patent: 4494159 (1985-01-01), Takayama et al.
patent: 4510537 (1985-04-01), Yoshida et al.
patent: 4544968 (1985-10-01), Anderson et al.

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