Bipolar multiple ramp digitisers

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

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Details

340347AD, 324 99D, H03K 1302

Patent

active

039421740

ABSTRACT:
Electronic analogue to digital converters of the integrating type wherein a capacitor is successively charged by an input signal and discharged by a reference signal, the time required for discharge serving as a measure of the amplitude of the input signal.

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patent: 3786350 (1974-01-01), Munt
Buhler, "Logic Controlled Analog Amplifier," IBM Technical Disclosure Bulletin, 8/1973, Vol. 16, No. 3.

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