Tracking servo setting method and apparatus

Details Tracking servo setting method and apparatus Tracking servo setting method and apparatus

1986-02-13

1988-03-15

McElheny, Jr., Donald

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 32, G11B 7085

Patent

active

047317710

ABSTRACT:
This invention relates to a track setting method for a tracking servo system in an optical disk device and a device therefor. According to this invention the track passage velocity when the light spot moves across the track is detected and setting of the light spot onto the track is performed under the condition that the passage velocity thus detected is lower than a predetermined velocity. In the case where the passage velocity is greater than the predetermined velocity, the light spot is forced to move so that the passage velocity is lower than the predetermined velocity and the light spot is set up thereafter.

REFERENCES:
patent: 4096534 (1978-06-01), Brownback et al.
patent: 4138663 (1979-02-01), Lehureau et al.
patent: 4268745 (1981-05-01), Okano
patent: 4330880 (1982-05-01), Van Dijk
patent: 4627038 (1986-12-01), Abed et al.
patent: 4630250 (1986-12-01), Nonomura

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