Single-point analog subsystem interfaced with a computer

Details Single-point analog subsystem interfaced with a computer Single-point analog subsystem interfaced with a computer

1977-09-15

1978-09-26

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

H03K 1320

Patent

active

041174771

ABSTRACT:
A low-cost, single-point analog subsystem comprising a pre-amplifier signal conditioner, a dual-slope integration analog-to-digital converter, and a computer interface circuit. The unit is capable of rejecting high common mode voltages while maintaining extremely high system accuracies. The main application for the invention is in interfacing transducer or instrumentation analog data with a digital computer. The interface circuitry allows the computer to select its channel in an asynchronous manner through special controllogic and without the necessity for employing conventional multiplexing equipment.

REFERENCES:
patent: 3701146 (1972-10-01), Haga
patent: 3709309 (1973-01-01), Williams

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