Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1980-05-29
1983-04-19
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307247A, 307445, 328190, H03K 1756, H03K 1920
Patent
active
043807054
ABSTRACT:
Digital semiconductor circuit with a plurality of circuit parts selectively activatable by manual actuation of respective control switches includes a respective bistable flip-flop associated with each of the control switches, a common logic circuit disposed between the control switches and the bistable flip-flops and being connectible by n signal inputs thereof via the control switches, respectively, to a level of a logical "1", the common logic circuit having 2 n signal outputs pairwise combined, respective pairs of the signal outputs being disposed for controlling respective ones of the bistable flip-flops, each of the bistable flip-flops having a respective signal output for controlling a respective one of the circuit parts activatable by the respective control switches, the bistable flip-flops being initially in a first operating state wherein the circuit parts to be activated are in rest condition immediately subsequent to switching on of the digital semiconductor circuit, the common logic circuit having means responsive to sole actuation of a respective control switch for effecting a transition of the respectively associated bistable flip-flop from the first to the second operating state thereof only and for automatically resetting to the first operating state, with the transition, any nonselected bistable flip-flop which may yet be in the second operating state when the respective control switch is actuated, whereby the circuit part associated with the respective control switch is activated.
REFERENCES:
patent: 3634769 (1972-01-01), Sleater
patent: 3693028 (1972-09-01), Fussell
patent: 4251740 (1981-02-01), Wilwerding
Davis B. P.
Greenberg Laurence A.
Lerner Herbert L.
Miller Stanley D.
Siemens Aktiengesellschaft
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