Range tracking analog to digital converter for use with a bridge

Details Range tracking analog to digital converter for use with a bridge Range tracking analog to digital converter for use with a bridge

1979-02-05

1980-07-22

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

73362AR, 340347CC, H03K 1320

Patent

active

042142342

ABSTRACT:
A circuit providing digital representation of an analog error voltage present as an output of a bridge circuit where the digital representation is independent of supply voltage variations to the bridge circuit. The circuit shows a capacitor designed to ramp from an initial voltage representative of the zero point of the analog error voltage range to a full-scale error voltage in the amount of time it takes for a digital counter to count from zero to full scale. The ramping voltage is compared to the error voltage in order to decode error count whenever the ramping voltage reaches a value just in excess of the error voltage.

REFERENCES:
patent: 2897486 (1959-07-01), Alexander
patent: 3178583 (1965-04-01), Koch
patent: 3333262 (1967-07-01), Orsen
patent: 3411153 (1968-11-01), Steele
patent: 3493963 (1970-02-01), Schluter
patent: 3543152 (1970-11-01), Niedereder
patent: 3593007 (1971-07-01), Seitz
patent: 3597760 (1971-08-01), Fox
patent: 3875501 (1975-04-01), Hayashi
patent: 3942123 (1976-03-01), Georgi
patent: 3996453 (1976-12-01), Coia
patent: 4031533 (1977-06-01), Neumann
patent: 4034294 (1977-07-01), Dalley

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