Video signal play-back circuit

Details Video signal play-back circuit Video signal play-back circuit

1978-03-03

1980-07-01

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of equalizing

360 67, G11B 545, G11B 502

Patent

active

042109426

ABSTRACT:
In a video signal play-back circuit connected so that a play-back signal from a magnetic head may be applied to an amplifier circuit through a resonance circuit which consists of an inductance element and a capacitance element, a resistor for adjusting the quality factor Q of the resonance circuit is connected between one terminal of the resonance circuit and one output terminal of the amplifier circuit, thereby to reduce thermal noises which develop from the Q adjusting resistor.

REFERENCES:
patent: 2828368 (1958-03-01), Wiegand
patent: 3007010 (1961-10-01), Erath et al.
patent: 3026380 (1962-03-01), Reher et al.
patent: 3068327 (1962-11-01), Davidson
patent: 3310637 (1967-03-01), Skov
patent: 4041538 (1977-08-01), Parker
patent: 4093965 (1978-06-01), Gish

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