Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1986-06-19
1989-03-14
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
328133, 328168, 307262, 307518, 375 22, H03K 522, H03K 500
Patent
active
048127710
ABSTRACT:
An expander system for pulse signals with enhanced output power level is disclosed. The expander system, which comprises an expander filter and subsequently connected amplifier means, is provided with a supplementary 180 degree phase modulator connected in front of the expander filter. The phase modulator is switched on and off by a control signal delivered from a control stage in such a manner that, during the duration of a pulse signal, the phase modulator produces at least two phase shifts of approximately 180 degrees.
REFERENCES:
patent: 3119964 (1964-01-01), Crafts
patent: 3157725 (1964-11-01), Wayne, Jr.
patent: 3662290 (1972-05-01), Elliott
patent: 4037159 (1977-07-01), Martin
patent: 4095196 (1978-06-01), Seidel
patent: 4161732 (1979-07-01), Longuemare, Jr.
Lauper Alfred
Steffen Andreas
Caracappa David N.
Miller Stanley D.
Roseen Richard
Siemens-Albis
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