Information recording and reproducing apparatus and method in wh

Details Information recording and reproducing apparatus and method in wh Information recording and reproducing apparatus and method in wh

1994-08-10

1995-06-27

Psitos, A.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 32, 360 7806, G11B 700

Patent

active

054285909

ABSTRACT:
An information recording-reproducing apparatus in which the seeking operation of an information recording/reproducing head is effected while controlling the velocity of the head. The head is moved by a linear motor in a direction to traverse the tracks provided on a recording medium. During the movement of the head, a tracking error signal is generated and is detected. The moving velocity of the head is detected at every predetermined period. The linear motor is controlled in synchronization with the velocity detection so that the head moves in conformity with a predetermined target velocity on the basis of the detected moving velocity.

REFERENCES:
patent: 4524398 (1985-06-01), Fujiki
patent: 4677507 (1987-06-01), Elliott
patent: 4835752 (1989-05-01), Nakatsu et al.
patent: 4920462 (1990-04-01), Couse et al.
patent: 5020044 (1991-05-01), Shimonou
patent: 5033037 (1991-07-01), Yanagi
patent: 5146440 (1992-09-01), Yamaguchi et al.
patent: 5191566 (1993-03-01), Yamaguchi et al.

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