Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1984-05-31
1987-02-24
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307262, 307263, 307268, 307269, 307555, H03K 508, H03K 500
Patent
active
046459464
ABSTRACT:
A two phase voltage signal generating circuit for generating a pair of trapezoidal wave signals of phases opposite to each other is disclosed which includes an input terminal supplied with an input pulse signal, a capacitor, a pair of voltage limiting circuits connected to both ends of the capacitor respectively and for limiting the voltage at each end of the capacitor within a predetermined voltage range, a current control circuit controlled by the input pulse signal and for supplying a charge or discharge current to the capacitor to generate the pair of trapezoidal wave voltage signals at the both ends of the capacitor, a detecting circuit for detecting the change of the intermediate voltage of the trapezoidal wave voltage signals and a symmetry control circuit controlled by an output of the detecting circuit and for controlling the charge or discharge current such that the pair of trapezoidal wave voltage signals become substantially symmetrical to each other.
REFERENCES:
patent: 3219839 (1965-11-01), Fletcher
patent: 3868519 (1975-02-01), Green
Ishikawa Fumio
Tanaka Kuninobu
Miller Stanley D.
Sony Corporation
Wambach M. R.
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