Excavating
Patent
1986-08-14
1988-12-27
Fleming, Michael R.
Excavating
371 25, G06F 1100
Patent
active
047945990
ABSTRACT:
Portable test apparatus for tracing faults in electronic equipment including or associated with a microprocessor comprises a control module connectible to a test configuring module. The control module comprises a microprocessor, a data storage memory programmed to contain operating software associated with the microprocessor, a keyboard and visual display screen for enabling intercommunication between a user of the apparatus and the microprocessor, and a data bus for data transfer between the control module and the test configuring module. The test configuring module comprises a data storage memory programmed to contain a range of diagnostic tests specific to a particular type of electronic equipment to be tested and accessible by the microprocessor, and a latched data bus for data transfer between the test configuring module and the unit to be tested. Faults can be traced to a general area (RAM, ROM, I/O, etc.) using pre-programmed diagnositic analysis, and down to component level using static stimulus tests.
REFERENCES:
patent: 4316259 (1982-02-01), Albrecht
patent: 4348760 (1982-09-01), Rice
patent: 4397021 (1983-08-01), Lloyd
patent: 4402055 (1983-08-01), Lloyd
patent: 4622647 (1986-11-01), Sagnard
patent: 4656632 (1987-04-01), Jackson
patent: 4658400 (1987-04-01), Brown
patent: 4682330 (1987-07-01), Millhom
Collins Matthew M.
Fenton William G.
Purcell Francis A.
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