Error detecting device for electronic equipment

Details Error detecting device for electronic equipment Error detecting device for electronic equipment

1990-03-09

1992-07-21

Harvey, Jack B.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of electrically operated apparatus

324556, 340635, 340508, G01R 3102, G08B 2100

Patent

active

051326280

ABSTRACT:
A device for detecting errors of a plurality of electric parts which are built in electronic equipment has error detecting circuits in the form of relays. The relays are interconnected one-to-one to various electric parts which are the subject of error detection, while display circuits are interconnected one-to-one to the relays. Output signals of the relays are fed to a reporting circuit without the intermediary of the display circuits. When an electric part is free from an error and only a display circuit associated therewith has failed, no error signal is fed to the reporting circuit. Only when any of the electric parts has really failed, an error signal is delivered to the reporting circuit to cause the latter to take an adequate measure such as the interruption of power supply.

REFERENCES:
patent: 3623056 (1971-11-01), Elston
patent: 3646552 (1972-02-01), Fuhr

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