Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent
1981-01-08
1982-11-23
Rubinson, G. Z.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
361178, 340541, H01H 4732
Patent
active
043608566
ABSTRACT:
An electronic sensor package includes at least six sensor-amplifier circuits each adapted to be electrically connected to a different condition-responsive device and each electrically connected directly to a relay for energizing the relay, each of the relays being electrically connected to at least two of the sensor-amplifier circuits, whereby the number of relays to which the sensor amplifier circuits are connected is no more than half the number of sensor-amplifier circuits. The relays are electrically connected to a timing circuit electrically connected to signalling or controlling devices.
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patent: 3470551 (1969-09-01), Jaffe
patent: 3590335 (1971-06-01), Tetar
patent: 3842409 (1974-10-01), Mayer
patent: 3848231 (1974-11-01), Wootton
patent: 3978479 (1976-08-01), Schmitz
patent: 4001819 (1977-01-01), Wise
patent: 4092643 (1978-05-01), Stolarczyk
patent: 4140006 (1979-02-01), Braxton
patent: 4148019 (1979-04-01), Durkee
Rubinson G. Z.
Schroeder L. C.
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