Registers – Transfer mechanism – Traveling pawl
Patent
1975-09-05
1977-03-15
Atkinson, Charles E.
Registers
Transfer mechanism
Traveling pawl
324 73R, G01R 3100
Patent
active
040126250
ABSTRACT:
An automatic printed circuit board tester to test printed circuit boards and diagnose faults in digital and analog electrical circuit networks is disclosed. The system is comprised of control, stimuli, and interconnection networks in combination with measuring instrumentation. For automated fault isolation, a moving probe assembly driven by stepping motors controlled by a minicomputer is utilized. The fault isolation system establishes a fault path from an output pin to a terminal point within the network. The location of the terminal point together with a directed graph is utilized to select branches that could cause the failure.
REFERENCES:
patent: 3631229 (1971-12-01), Bens et al.
patent: 3739160 (1973-06-01), El-Hasan et al.
patent: 3764995 (1973-10-01), Helf, Jr. et al.
patent: 3777129 (1973-12-01), Mehta
patent: 3851249 (1974-11-01), Roch
patent: 3931506 (1976-01-01), Borrelli et al .
B394,712 Jan. 1, 1975, Patti, 324/73 R.
Gerhard & Perdick, Computerized Testing of Thin-Film Circuit Conductors, Solid State Technology/Sept. 1971, pp. 41-46.
Bowen Russell H.
Clark Allen L.
Davis David C.
Gilbert Walter E.
Glover Wayne L.
Atkinson Charles E.
Honeywell Information Systems Inc.
Prasinos Nicholas
Reiling Ronald T.
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