Three-state monolithic static switch
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United States of America Patent
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Mar 16, 1999
Grant Date -
N/A
app pub date -
Feb 26, 1997
filing date -
Feb 29, 1996
priority date (Note) -
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status (Latency Note)
Importance
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.
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