Data extracting circuit

Details Data extracting circuit Data extracting circuit

1980-10-16

1983-05-24

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Head amplifier circuit

360 67, G11B 509

Patent

active

043853285

ABSTRACT:
A data extracting circuit including an input terminal supplied with an input signal which is reproduced from a magnetic tape, positive and negative peak hold circuits connected to the input terminal, respectively, an adding circuit for adding the positive and negative peak voltages from the peak hold circuits at a predetermined rate and for producing a threshold voltage, and a level comparator having a first input terminal supplied with the delayed input signal and a second input terminal supplied with the threshold voltage and for deriving a digital binary data signal, the positive and negative peak hold circuits including a higher level priority circuit and a lower level priority circuit, respectively, and supplied with the input signal and a delayed signal which is further delayed by a second delay circuit following the delay circuit.

REFERENCES:
patent: 3516066 (1970-06-01), Jacoby
patent: 3597751 (1971-08-01), Heidecker et al.
patent: 3603945 (1971-09-01), Hertrich

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