Three-state monolithic static switch

Details Three-state monolithic static switch Three-state monolithic static switch

1997-02-26

1999-03-16

Hecker, Stuart N.

Electricity: power supply or regulation systems

For phase shift or control

Using a three or more terminal semiconductive device

318280, 327438, G05F 100

Patent

active

058835008

ABSTRACT:
A three-state switch designed to be inserted in an ac supply circuit and associated with a state selection circuit. In a first state, the switch is open and does not allow current to flow. In a second state, the switch allows current of a first polarity to flow. In a third state, the switch allows a current of a second polarity to flow. The switch includes a cathode gate thyristor and an anode gate thyristor connected head-to-tail, the gate of the cathode gate thyristor forming a control terminal and being connected through a resistor to the gate of the anode gate thyristor.

REFERENCES:
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patent: 4049976 (1977-09-01), Pascente
patent: 4239985 (1980-12-01), Ohhinata
patent: 4370567 (1983-01-01), Lear
patent: 4412160 (1983-10-01), Kojima et al.
patent: 4896084 (1990-01-01), Maue et al.
patent: 5160875 (1992-11-01), Kono
patent: 5467049 (1995-11-01), Kida et al.
French Search Report from French Patent Application No. 96 02781, filed Feb. 29, 1996.

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