Device for economizing data bandwidth

Details Device for economizing data bandwidth Device for economizing data bandwidth

1981-06-02

1983-05-31

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307513, 377 48, 377 94, H03B 1500, H03K 2100

Patent

active

043863213

ABSTRACT:
Subharmonics of a data waveform are generated for the purpose of reducing ta bandwidth prior to transmission. Input data waveform is phase split and the antiphased output signals are fed to a rectifier. The rectification of antiphased signals creates two pulsating voltage with opposite polarity. The pulsating voltages are alternately switched by a chopper to provide a sinusoidal signal. The sinusoidal signal is filtered to average the energy of the pulsating voltage to provide a smooth waveform of one-half the frequency of the input data waveform.

REFERENCES:
patent: 3254326 (1966-05-01), Mann
patent: 3593166 (1971-07-01), Martin, Jr.
patent: 3602824 (1971-08-01), Rusch

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