Non-linear signal processing apparatus

Details Non-linear signal processing apparatus Non-linear signal processing apparatus

1985-09-09

1988-03-08

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307490, 307494, 333 14, 455 72, G06G 712, H03G 700, H04B 100

Patent

active

047301651

ABSTRACT:
A non-linear signal processing apparatus used in a video tape recorder or a video disk player is disclosed. The time variation of an input signal or a processed version thereof is non-linearly processed by a differential circuit and a closed loop including a non-linear circuit. The non-linearly processed time variation of the signal or a processed version thereof is arithmetically combined with the input signal. Thus, the same non-linear characteristic as that obtained by the prior art analog signal technique is attained by the digital signal processing technique, which is superior in integrity and stability. By appropriately selecting the characteristic of the non-linear circuit, better results than those obtainable by the analog signal processing technique are achieved.

REFERENCES:
patent: 4187478 (1980-02-01), Endoh et al.
patent: 4224581 (1980-09-01), Watanabe et al.
patent: 4451746 (1984-05-01), Hirose et al.

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