Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1990-03-09
1994-02-01
Sikes, William L.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
328 32, 328 33, 328 59, 307279, 307282, 307350, H03K 333, H03K 3353
Patent
active
052835294
ABSTRACT:
A circuit arrangement is described for generating pulses for maintaining the oscillations of a resonance circuit after termination of an outside stimulation of the oscillations by means of an HF carrier oscillation. The circuit arrangement comprises an energy storage element (28) chargeable by the HF carrier oscillation to a supply voltage value. An amplitude detector circuit (44) serves to generate a trigger circuit when the oscillation amplitude of the resonance circuit (12) drops beneath the supply voltage value. A first switching element (T2) supplies the oscillations of the resonance circuit (12) under the control of the trigger signal to a delay circuit (34, 53, 58, 54, 62, 68) which at its output furnishes switching pulses with a predetermined phase position with respect to the oscillations of the resonance circuit (12). A second switching element (T1), for the duration of each switching pulse, enables the supply of energy from the energy storage element (28) to the resonance circuit (12).
REFERENCES:
patent: 2632853 (1953-03-01), Lindley et al.
patent: 3654539 (1972-04-01), Schnur et al.
patent: 4041334 (1977-08-01), Umeda
patent: 4253095 (1981-02-01), Schwarz et al.
patent: 4511815 (1985-04-01), Wood
patent: 4952819 (1990-08-01), Herrmann
Cunningham Terry D.
Donaldson Richard L.
Kesterson James C.
Mapstone Rebecca A.
Sikes William L.
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