Electronic test apparatus

Details Electronic test apparatus Electronic test apparatus

1996-07-22

2000-10-03

Karlsen, Ernest

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324110, 324769, G01R 3128

Patent

active

06127836&

ABSTRACT:
An apparatus for testing an electrical device, having a high side terminal and a low side terminal, includes a power source which is connected to the high side terminal. A voltage monitor is also connected to the high side terminal to determine the voltage that is input to the device. Additionally, a current monitor is connected to the low side terminal to determine the current that passes through the device. A processor is connected to the power source, to the voltage monitor, and to the current monitor. Using the voltage input to high side terminal, and the through current from the low side terminal, the processor computes algorithmic functions which are compared with a predetermined value to establish an error signal. The apparatus then uses this error signal to control the input voltage from the power source to the high side terminal of the device.

REFERENCES:
patent: 4323842 (1982-04-01), McGarrity et al.
patent: 4467275 (1984-08-01), Maeda et al.
patent: 4637020 (1987-01-01), Schinabeck
patent: 4710704 (1987-12-01), Ando
patent: 4788490 (1988-11-01), Valaas
patent: 5392293 (1995-02-01), Hsue
patent: 5406217 (1995-04-01), Habu

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