Cross coupled demodulator for generating a servo head position e

Details Cross coupled demodulator for generating a servo head position e Cross coupled demodulator for generating a servo head position e

1976-08-10

1978-05-30

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

G11B 558, G11B 1914, G11B 2110

Patent

active

040926826

ABSTRACT:
An improved demodulator principally for receiving dibits from a servo track and generating a position error signal responsive to the servo head position relative to the track as indicated by the dibit signal. The invention improves the capability of the demodulator to operate when noise is encountered in the dibit signal.

REFERENCES:
patent: 3292168 (1966-12-01), Gray
patent: 3404392 (1968-10-01), Sordello
patent: 3427606 (1969-02-01), Black et al.
patent: 3534344 (1970-10-01), Santana
patent: 3691543 (1972-09-01), Mueller
patent: 3818502 (1974-06-01), Chien et al.
patent: 3883894 (1975-05-01), Johnson
patent: 3893180 (1975-07-01), Braun et al.

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