Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1979-07-27
1981-11-10
La Roche, Eugene
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307219, 307220R, 328110, 328179, H03K 2300
Patent
active
043001009
ABSTRACT:
A plurality of binary counters, each consisting of a primary and a secondary counting chain, are stepped by respective trains of clock pulses of like cadence but indeterminate phase relationship. The several primary counting chains are provided on their input sides with respective correlation circuits and on their output sides with respective sync generators, either of which is used for a concurrent restarting of both chains upon the attainment of a full count. A selection signal establishes one of the primary counting chains as the master by unblocking its sync generator while blocking its correlation circuit, the opposite being the case in all the other counters which are controlled from the unblocked sync generator through their respective correlation circuits. The primary and secondary chains of each counter work into a common comparator which detects any disparity in their readings and, in the event of such disparity, emits an alarm signal while also modifying the selection signal to designate a different primary chain as the master.
REFERENCES:
patent: 3518555 (1970-06-01), Konotchick, Jr.
patent: 3546599 (1970-12-01), Konotchick, Jr.
patent: 4156200 (1979-05-01), Gomez
patent: 4213064 (1980-07-01), Nagano
Marchelli Francesco
Sbuelz Anes
La Roche Eugene
Ross Karl F.
Societa Italiana Telecomunicazioni Siemens S.p.A.
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