Analog to digital converter

Details Analog to digital converter Analog to digital converter

1977-12-13

1980-04-01

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

340347NT, H03K 1302

Patent

active

041964195

ABSTRACT:
A circuit for digitizing data represented by a variable electric current includes a capacitor to which a variable direct current is applied, and a reference stage defining two voltage levels and producing a control signal when the voltage across the capacitor reaches one of the two levels. The control signal causes the charge on the capacitor to be changed by a known amount. The number of charge pulses is counted and added to the instantaneous value of the capacitor voltage.

REFERENCES:
patent: 3267458 (1966-08-01), Anderson
patent: 3516085 (1970-06-01), Dano
patent: 3531797 (1970-09-01), Pellegrini
patent: 3662376 (1972-05-01), Furukawa

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