Voltage detection device and insulation detecting apparatus...

Details Voltage detection device and insulation detecting apparatus... Voltage detection device and insulation detecting apparatus...

2007-01-09

2007-01-09

Benson, Walter (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

C324S544000

Reexamination Certificate

active

11170140

ABSTRACT:
A voltage detection device includes a processor that has a first input port, and a second input port grounded at a first ground potential part, a first Schottky barrier diode that has a cathode connected to a junction of an electric wire between the first input port and a voltage detection object part, and an anode grounded at a second ground potential part, and a second Schottky barrier diode that has an anode connected to a junction of an electric wire between the second input port and a third ground potential part, and a cathode connected to a positive terminal of a power supply. When the processor detects a voltage at the voltage detection object part, the processor detects a value obtained by adding a voltage applied to the second input port to a voltage applied to the first input port as the voltage.

REFERENCES:
patent: 6008664 (1999-12-01), Jett et al.
patent: 6786639 (2004-09-01), Covi et al.
patent: 6888354 (2005-05-01), Gofman

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