Servo control device for a VTR

Details Servo control device for a VTR Servo control device for a VTR

1992-01-24

1992-11-03

Ro, Bentsu

Electricity: motor control systems

Specific control circuit element or device

Computer or microprocessor

360 7301, G11B 15467

Patent

active

051612097

ABSTRACT:
A drum servo circuit (310) is controlled by one (301) of a pair of microprocessors, and a reel servo circuit (220) and a capstan servo circuit (240) are controlled by the other microprocessor (201). Accordingly, the burden on each microprocessor is relatively light, and interrupt processing is performed with predetermined timing to improve servo performance. Further, tape movement can be controlled smoothly and quickly.

REFERENCES:
patent: 4893198 (1990-01-01), Little
patent: 4939596 (1990-07-01), Takayama et al.
patent: 4977467 (1990-12-01), Kondo
patent: 5019923 (1991-05-01), Ogaki
patent: 5039027 (1991-08-01), Yanagihara et al.
patent: 5087993 (1992-02-01), Kobayashi
patent: 5107380 (1992-04-01), Fujiki et al.

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