Playback apparatus

Details Playback apparatus Playback apparatus

1977-07-15

1979-05-01

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of equalizing

307237, 360 30, G11B 545, H03K 508

Patent

active

041527330

ABSTRACT:
A playback apparatus for a recorded frequency modulated television signal includes a filter between the record carrier pick-up heads and the limiter-demodulator. The filter characteristics increase the ratio of the carrier signal frequency to the lower side band frequencies in response to a drop in carrier amplitude.

REFERENCES:
patent: 3098937 (1963-07-01), Martens
patent: 3163826 (1964-12-01), Kemper
patent: 3278866 (1966-10-01), Bose
patent: 3288930 (1966-11-01), Johnson
patent: 3340367 (1967-09-01), Coleman, Jr. et al.
patent: 3390341 (1968-06-01), Kline
patent: 3436490 (1969-04-01), Roelofs
patent: 3524081 (1970-08-01), Camponellz
patent: 3582680 (1971-06-01), Slavin
patent: 3944853 (1976-03-01), Cooper
"Pulse, Digital & Switching Waveforms" by Millman & Taub, sec. 7.8, McGraw Hill Book Co., .COPYRGT.1965.

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