Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Patent
1986-10-14
1988-10-25
Envall, Jr., Roy N.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific current responsive fault sensor
361 18, 361 79, H02H 338
Patent
active
047807881
ABSTRACT:
The invention relates to a two-wire switch with a power transistor, in pacular, a VMOS transistor which is arranged in series with an auxiliary impedance between two switch connection lines. In accordance with the invention, a logic circuit with an OR function and an AND function is used in the realization of a kind of phase angle control for the power transistor in the presence of an activating signal of an initiator at the switch input.
REFERENCES:
patent: 3317795 (1967-05-01), Steen
patent: 3582713 (1971-06-01), Till
patent: 3809999 (1974-05-01), Smith
patent: 4045887 (1977-09-01), Nowell
patent: 4378580 (1983-03-01), Stich
patent: 4631623 (1986-12-01), Gohl
Dolderer Peter
Kammerer Heinz
Envall Jr. Roy N.
Gebhard Balluff Fabrik feinmechanischer Erzeugnisse GmbH & Co.
Wysocki A. Jonathan
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