Servo circuit positioning actuator

Details Servo circuit positioning actuator Servo circuit positioning actuator

1987-01-16

1989-03-14

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

318572, 318652, G05B 106

Patent

active

048127264

ABSTRACT:
A servo system for controlling the position of an object in accordance with a servo signal, employing an A/D converter to normalize an error in the position of the object and to enable digital correction of any offset in the system and digital compensation for track jumping and drop outs.

REFERENCES:
patent: 3739247 (1973-06-01), Yamaguchi et al.
patent: 4183060 (1980-01-01), Barnette et al.
patent: 4492465 (1985-01-01), Erdmann et al.
SPIE vol. 529, Optical Mass Data Storage (1985) "Improvement of Focusing and Tracking Servo in Optical Disk Memory" pp. 145-149, pub: 1985.

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