Personal computer instrumentation system including carrier board

Details Personal computer instrumentation system including carrier board Personal computer instrumentation system including carrier board

1984-07-30

1987-07-28

Williams, Jr., Archie E.

Boots, shoes, and leggings

361413, 364709, G06F 902

Patent

active

046835504

ABSTRACT:
A modular plug-in instrumentation system for enabling a personal computer to perform instrumentation functions, including receiving analog and digital signals from an external device and transmitting analog and digital signals to an external device, includes a carrier module pluggable into a bus of the personal computer, and also includes an internal instrumentation bus into which a plurality of different interchangeable instrument modules can be plugged. The instrumentation bus includes a digital portion, and also includes a segmented analog portion that is extendable merely by plugging instrumentation modules into bus connectors which span gaps between the analog bus segments. Analog and/or digital signals are communicated between various instrument modules and external devices by means of cables connected to the instrument modules. The carrier module includes interface circuitry that buffers, reconfigures, and synchronizes digital data from the personal computer bus to be compatible with the digital portion of the instrumentation bus. One embodiment of the carrier module includes a microprocessor system and a dual port memory which allows simultaneous execution of different programs by the carrier module and the personal computer.

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patent: 4424559 (1984-01-01), Lorincz et al.
patent: 4477862 (1984-10-01), Gonzales
patent: 4517661 (1985-05-01), Graf
patent: 4530069 (1985-07-01), Desrochers
patent: 4539655 (1985-09-01), Frussell
patent: 4558914 (1985-12-01), Prager

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