Reproduction device

Details Reproduction device Reproduction device

1983-12-08

1985-12-03

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 102, G11B 556

Patent

active

045569207

ABSTRACT:
In the disclosed device first and second reproduction heads contact two recording tracks on a recording medium, and a tracking control controls their tracking such that there is no difference in outputs between the first and second reproduction heads. The distance between the two reproduction heads is set so that tracking deviations from a normal course cause the outputs of the two heads to differ according to the direction and amount of the deviation.

REFERENCES:
patent: 3293627 (1966-12-01), Auyang et al.
patent: 3840893 (1974-10-01), Jacoby et al.
patent: 4007493 (1977-02-01), Behr et al.
patent: 4074328 (1978-02-01), Hardwick
patent: 4321634 (1982-03-01), Lehureau
patent: 4347534 (1982-08-01), Kimura
patent: 4418366 (1983-11-01), Moriya
patent: 4419700 (1983-12-01), Ragle et al.
patent: 4486792 (1984-12-01), Edakubo et al.
Research Disclosure No. 178, Feb. 1979, pp. 58-61, #17810, Video Recording and Reproducing Apparatus having Variable Reproduction Speeds.

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