Method and apparatus for control of FM beat distortion

Details Method and apparatus for control of FM beat distortion Method and apparatus for control of FM beat distortion

1974-05-09

1976-10-12

Konick, Bernard

Dynamic magnetic information storage or retrieval

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Core

179 1GQ, 360 25, 360 29, G11B 2318, G11B 300

Patent

active

039859789

ABSTRACT:
A method and apparatus is disclosed for reducing crossover modulation distortion generated at a sub-channel and for minimizing phase differences between 4-channel signals that are recorded on a recording medium in a multiple-frequency manner. More specifically, the present invention is directed to reducing or eliminating the beat distortion that is caused by crosstalk between a sub-channel signal and a main channel signal when the main channel signal is recorded according to RIAA-TYPE recording characteristics.

REFERENCES:
patent: 3761628 (1973-09-01), Bauer
patent: 3786193 (1974-01-01), Tsurushima

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