Two-wire, electronic switch

Details Two-wire, electronic switch Two-wire, electronic switch

1991-04-22

1994-04-26

Pellinen, A. D.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

250551, 307117, H01H 3500, H01H 3700, G02B 2700

Patent

active

053069552

ABSTRACT:
Two-wire, electronic switch which performs sensing functions, measurement functions, and output-control functions for an electrical load without receiving power from a power source, external or internal, other than the power source for the electrical load that is controlled by the switch. Electronic components of a two-wire, electronic switch which is fabricated in accordance with the present invention obtain power: (a) when the switch is off, from a power source which drives a load which is controlled by the switch and (b) when the switch is on, from an output of devices which convert current to voltage and which receive at least a portion of a current through the load as input.

REFERENCES:
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patent: 4158144 (1979-06-01), Krause
patent: 4328528 (1982-05-01), Kompelien
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patent: 5099144 (1992-03-01), Sai
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Radio Shack New 1974-75 Unabridged Dictionary of Electronics; edited by Rudolf Graf, pp. 423-425.
International Rectifier series PVI Microelectronic Isolator Data Sheet No. PD-1.029A; 1990.

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