Digital voltmeter

Details Digital voltmeter Digital voltmeter

1988-03-04

1990-05-15

Miska, Vit W.

Coded data generation or conversion

Analog to digital conversion followed by digital to analog...

341127, 324 99D, H03M 100

Patent

active

049261746

ABSTRACT:
A digital voltmeter which converts an input signal having an amplitude to be measured into a digital signal from which a series of pulses is developed having a duty cycle which is proportional to the amplitude of the input signal. These pulses are supplied are supplied to a digital-to-analog converter which develops an analog signal having an amplitude proportional to the duty cycle of the pulses and is compared with the input signal to stabilize the digital signal at a value corresponding to the amplitude of the input signal.

REFERENCES:
patent: 3488652 (1970-01-01), Huelsman
patent: 4097860 (1978-06-01), Araseki et al.
patent: 4217810 (1978-11-01), Purland
patent: 4375616 (1983-03-01), Keller et al.
patent: 4709224 (1987-11-01), Fiori

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