Digital tracking system

Details Digital tracking system Digital tracking system

1980-05-28

1982-06-15

Wolff, John H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 75, G11B 2110

Patent

active

043354084

ABSTRACT:
A tracking system for a VTR features digital circuitry, such as a counter, for immunity to component tolerances and power supply voltage shifts. It also allows holding a constant control voltage when desired. A tachometer input signal need not be converted to an analog one, which eliminates A/D converter failure problems.

REFERENCES:
patent: 3789378 (1974-01-01), Bonzano et al.
patent: 4021857 (1977-05-01), Tanimura
patent: 4139872 (1979-02-01), Tachi
patent: 4163993 (1979-08-01), Ravizza

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