Logic circuit tester

Details Logic circuit tester Logic circuit tester

1985-05-22

1987-07-14

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Nonquantitative

G01R 1916, G01R 3102

Patent

active

046805427

ABSTRACT:
A logic circuit tester wherein high and low threshold signal states and transitions through them are detected. The presence or absence of any of these four states is used to provide combinations of logic signals to an L.E.D. dot matrix display unit encoded to respond with a series of 11 patterns, each of which is illustrative of a circuit state likely to be encountered.

REFERENCES:
patent: 3628141 (1971-12-01), Union
patent: 3903471 (1975-09-01), Hiraga
patent: 4110687 (1978-08-01), Sneed
patent: 4189673 (1980-02-01), Shintaku
patent: 4321543 (1982-03-01), Tuska
patent: 4573007 (1986-02-01), Mefford

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