Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1977-06-20
1978-12-05
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307354, 328 61, 328 73, 328129, 328154, H03K 378
Patent
active
041287746
ABSTRACT:
A gated waveform generator programmable to produce an output having a preermined number of cycles. A triggering pulse and the output from a zero-crossing detector are connected to different inputs of a bistable multivibrator. The triggering pulse causes the cyclic input signal to be applied to the zero-crossing detector so that the output of the bistable multivibrator is pulse coincident with a mode of the input signal. The outputs of the zero-crossing detector and the bistable multivibrator are connected to a monostable multivibrator having a period controlled by a timing network which determines the number of cycles in the output of the signal sources. Upon the occurrence of its first mode after the triggering pulse, the input signal is coupled for the determined time to an operational amplifier from which the output of the signal source is taken.
REFERENCES:
patent: 3226568 (1965-12-01), Samwel
patent: 3579126 (1971-05-01), Paul
patent: 3581213 (1971-05-01), Crump
patent: 3610953 (1971-10-01), Gordon
patent: 3633094 (1972-01-01), Clements
patent: 3806739 (1974-04-01), Irie et al.
patent: 3925688 (1975-12-01), Kalfus
patent: 4052676 (1977-10-01), Crittenden
patent: 4072870 (1978-02-01), Davis
Heyman John S.
Miller Roy
Sciascia R. S.
Skeer W. Thom
The United States of America as represented by the Secretary of
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