Detection of a synchronizing signal in a magnetic recording/repr

Details Detection of a synchronizing signal in a magnetic recording/repr Detection of a synchronizing signal in a magnetic recording/repr

1987-05-22

1990-04-03

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Head amplifier circuit

G11B 509

Patent

active

049145282

ABSTRACT:
A synchronizing signal extraction circuit for digital magnetic tape decks, in which a level of a synchronizing signal is differentiated and compared against a minimum level. The synchronizing signal is used for reproduction purposes only if the differentiated synchronizing signal exceeds the minimum level. Thereby, old incompletely erased synchronizing signals are masked.

REFERENCES:
patent: 4480276 (1984-10-01), Barey et al.
patent: 4495529 (1985-01-01), Gustafson
patent: 4564876 (1985-01-01), Kiramura
patent: 4729045 (1988-03-01), Baugh
patent: 4751591 (1988-06-01), Fujimoto

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