Excavating
Patent
1985-09-17
1987-11-17
Fleming, Michael R.
Excavating
371 16, 324 73R, 364200, G06F 1100
Patent
active
047078340
ABSTRACT:
A computer-based instrument system is provided for progammably configuring a variety of computer-based test instruments for performing a variety of tests and permitting high speed execution of tests through concurrent operation of individual test instruments. The instruments are implemented on circuit boards and mounted in a chassis including permanent backplane wiring interconnecting the instruments and a timing and triggering control unit. The backplane wiring includes a conventional computer bus for carrying instructions from a master controller to each instrument and lines for a common system clock signal, protocol signals, and trigger signals between selected instruments and the timing and triggering control unit for synchronizing the operation of the instruments when performing a test. The timing and triggering control unit is adapted to programmably control instrument triggering according to individual test requirements without modification of backplane wiring. The backplane wiring further includes a high speed data bus for rapidly transferring data between instruments in the course of a test.
REFERENCES:
patent: 4334307 (1982-06-01), Bourgeois
patent: 4339819 (1982-07-01), Jacobson
patent: 4538268 (1985-08-01), Pham Van Cang
patent: 4551837 (1985-11-01), Goegelein
patent: 4590550 (1986-05-01), Eilert
patent: 4604744 (1986-08-01), Littlebury
patent: 4606024 (1986-08-01), Glass
patent: 4611281 (1986-09-01), Suko
Frisch Arnold M.
Hollister Allen L.
Hutchinson Larry L.
Bedell Daniel J.
Fleming Michael R.
Hulse Robert S.
Noe George T.
Tektronix Inc.
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