Optical information recording and/or reproducing apparatus and m

Details Optical information recording and/or reproducing apparatus and m Optical information recording and/or reproducing apparatus and m

1997-05-09

1998-09-08

Young, W. R.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 54, 235456, G11B 7085

Patent

active

058055401

ABSTRACT:
An information recording and/or reproducing apparatuses for performing recording and/or reproduction of information on a recording medium with a light beam emitted from an optical head, includes a vibration wave driving device for relatively moving the optical head to the medium, and a device for detecting information corresponding to a relation between a control signal for driving the vibration wave driving device and a relative movement velocity in the relative movement. The vibration wave driving device is controlled based on the information detected.

REFERENCES:
patent: 5270988 (1993-12-01), Kobayashi
patent: 5272688 (1993-12-01), Horiguchi

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