Tracking control apparatus

Details Tracking control apparatus Tracking control apparatus

1986-02-12

1989-08-15

Faber, Alan

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 44, G11B 7085, G11B 2108

Patent

active

048582140

ABSTRACT:
An optical information recording/reproduction apparatus records or reproduces information while irradiating a track arranged on a recording medium with a light beam. The apparatus includes a photodetector for detecting a position of the light beam relative to the track, an inverter for inverting a signal from the photodetector, an actuator for deviating the light beam using the signals from the photodetector and the inverter, and a compensation controller for applying a braking force to the light beam moved by the actuator.

REFERENCES:
patent: 4037252 (1977-07-01), Janssen
patent: 4232201 (1980-11-01), Canino
patent: 4330880 (1982-05-01), Van Dijk
patent: 4562562 (1985-12-01), Moriya et al.
patent: 4607358 (1986-08-01), Maeda et al.

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