Tracking servo uses tangent function to determine tracking error

Details Tracking servo uses tangent function to determine tracking error Tracking servo uses tangent function to determine tracking error

1988-01-19

1989-08-01

Richardson, Robert L.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

G11B 700

Patent

active

048539180

ABSTRACT:
A tracking servo follows recording tracks formed in a recording medium. A signal proportional to a displacement from a recording track in a track pitch direction of the recording track is used as a displacement signal, so that following a given track or jumping to a new track position can be stably and easily performed.

REFERENCES:
patent: 4190859 (1980-02-01), Kinjo
patent: 4530079 (1985-07-01), Millar
patent: 4539665 (1985-09-01), Iso et al.

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