Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1991-02-22
1992-03-31
Wieder, Kenneth A.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324 725, 324 731, 371 151, G01R 102
Patent
active
051011506
ABSTRACT:
An automatic circuit tester (10) employs a scanner (20) embodied in a group of interconnected scanner boards (46, 47) that provide switching by means of mechanical relays. The scanner boards plug simultaneously into respective instrument boards (44) and into a common scanner bus (50) separate from an instrument bus (38) that carries the signals that control the instruments on the instrument boards (44). The scanner bus provides a common pathway for signals to travel between instruments or system pins to which one scanner board is connected and those to which another is connected. It also provides scanner-control paths so that the instrument boards to which the scanner boards are connected to not need to provide such paths and thus do not need to be custom-designed for the particular tester in which they are used.
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"HP75000 Family of VXI Products," Hewlett Packard brochure, Fall and Winter, 12/1989.
"Instruments & Systems" catalogue, Racal-Dana Instruments, Inc, 12/1988.
Pietrantoni Rudy D.
Pincus Robert H.
Sargent Brian J.
Sullivan Robert C.
Burns William J.
GenRad Inc.
Wieder Kenneth A.
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