Electronic switch relay

Details Electronic switch relay Electronic switch relay

1998-04-17

2000-04-18

Gaffin, Jeffrey

Electrical transmission or interconnection systems

Switching systems

Condition responsive

327379, 327389, H01H 4700

Patent

active

060518952

ABSTRACT:
An electronic relay for use with an ultrasonic transducer. The electronic relay selectively couples the ultrasonic transducer to an electronic circuit. The transducer includes an input/output port for receiving excitation signals from the circuit and for transmitting echo signals back to the circuit. The electronic relay comprises a solid state switch and a leakage control circuit. The solid state switch is connected between the transducer and the electronic circuit. The switch is responsive to an actuation signal from the circuit for opening and closing the switch. The leakage control circuit is coupled to the switch and functions to control leakage current when the switch is open so as to electrically isolate the transducer from the electronic control circuit.

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