Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1974-01-23
1976-05-25
Zazworsky, John
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307296, 307252J, 328 63, H03K 515, H03K 102
Patent
active
039596702
ABSTRACT:
A blasting machine comprising a pulse generator which delivers its pulses to a control signal transmitting circuit that in turn delivers the pulses to driven blast initiating circuitry. The control signal transmitting circuit includes an electronic switch which is not only turned on and off by the pulse generator but is also turned off by a deactivating circuit when the voltage of a power supply for the machine is below a predetermined level. When the voltage of the power supply is above this predetermined level, the deactivating circuit is made inoperative so that it can no longer turn off the electronic switch.
REFERENCES:
patent: 3229111 (1966-01-01), Schumacher et al.
W. A. Moorman, "Transistor Switching Regulator Start Circuit", Feb., 1971, pp. 2763-2764, IBM Technical Disclosure Bulletin, Vol. 13, No. 9.
W. S. Duspiva et al., "Inverter Start Circuit", Sept., 1971, p. 1239, IBM Technical Disclosure Bulletin, Vol. 14, No. 4.
Research Energy of Ohio, Inc.
Zazworsky John
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