Transient reversing voltage detecting circuit

Details Transient reversing voltage detecting circuit Transient reversing voltage detecting circuit

2007-03-13

2009-06-30

Dole, Timothy J (Department: 2831)

Electricity: measuring and testing

Testing potential in specific environment

Voltage probe

C324S555000, C361S091400

Reexamination Certificate

active

07554318

ABSTRACT:
A current balancing circuit includes a voltage detecting circuit having a detecting diode, and a control switch having an input part and an output part, the input part is coupled in series to the detecting diode and disposed opposite to the detecting diode for detecting abnormal and/or reverse voltages and for preventing electric circuits or facilities from being damaged by the abnormal and/or reverse voltages. The input part may be a photodiode having a positive or negative side coupled to the negative or positive side of the detecting diode. A resistor or a divider diode may be used to protect the voltage detecting circuit.

REFERENCES:
patent: 6525947 (2003-02-01), Umetsu et al.
patent: 6577511 (2003-06-01), Yamaguchi et al.

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