Multi-function solid-state switch

Details Multi-function solid-state switch Multi-function solid-state switch

2006-09-05

2006-09-05

Vu, Phuong T. (Department: 2836)

Electrical transmission or interconnection systems

Switching systems

C307S113000

Reexamination Certificate

active

07102252

ABSTRACT:
A dual solid state switch architecture has a plurality of control/monitor ports, selected ones of which are used to control the operation of a pair of power MOSFETs current flow paths through which are coupled to prescribed ones of a plurality of input/output ports that are adapted to be coupled to a circuit path containing a load and either and AC or DC power source therefor. Selected others of the control/monitor ports are used to monitor current delivered to the load. A leakage current by-pass resistor is connected between selected input/output ports, to which a neon tube may be connected for indicating the switching on of an AC source. This resistor serves to provide a bypass path for leakage current through the MOSFETs, so as to prevent the neon tube from being erroneously illuminated, when the MOSFETs have been turned off.

REFERENCES:
patent: 5965957 (1999-10-01), Bourgeois et al.
patent: 6759851 (2004-07-01), Hazelton

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