Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1991-02-22
1992-06-23
Nguyen, Vinh
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324 731, 371 226, G01R 3102, G01R 3128
Patent
active
051246368
ABSTRACT:
An automatic circuit tester (10) includes a scanner bus (50) that includes series of signal-path links (70A-H, 72A-H) and connectors (51) into which scanner boards (46, 47) are plugged. Each scanner board includes switches (74A-H, 76A-H, and 78A-H) that in different states can (i) connect together the links on opposite sides of the scanner board so as to forward signals along the link sequence and (ii) connect the link on one side to an instrument (18) or system pin (24) while isolating the link on the other side from the first link and the instrument or system pin.
REFERENCES:
patent: 4354268 (1982-10-01), Michel et al.
patent: 4380731 (1983-04-01), Alker
patent: 4724379 (1988-02-01), Hoffman
patent: 4746855 (1988-05-01), Wrinn
patent: 4989202 (1991-01-01), Soto et al.
"HP75000 Family of VXI Products", Hewlett Packard brochure, Fall and Winter, 1989.
"Instruments & Systems" catalogue, Racal-Dana Instruments, Inc., 1988.
Pincus Robert H.
Winroth Calvin S.
GenRad Inc.
Nguyen Vinh
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