Multiplexer-analog/digital conversion system

Communications: electrical – Audible indication – Percussion-type sound producer

Patent

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Details

3401725, 235154, G06F 300

Patent

active

039684873

ABSTRACT:
The system includes: a number of subassemblies, each containing a set of switches connectable at their pair of inputs to different sources of analog signals and containing a multiplexer/decoder having outputs connected to different switches for their selective actuation; a differential amplifier having a pair of inputs connected to the pair of outputs of all of the switches; analog/digital converter means having its input connected to the output of the amplifier and having outputs providing multi-bit digital information; and control means that provides various functions.

REFERENCES:
patent: 3418652 (1968-12-01), Brooks
patent: 3665417 (1972-05-01), Low
patent: 3702989 (1972-11-01), Provenzano
patent: 3760374 (1973-09-01), Nabi
patent: 3761889 (1973-09-01), Hallee
patent: 3813647 (1974-05-01), Loo
patent: R28221 (1974-11-01), Benghiat

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