Voltage level display circuit

Details Voltage level display circuit Voltage level display circuit

1976-09-15

1977-08-09

Wise, Edward J.

Registers

Transfer mechanism

Traveling pawl

235 92EL, 307362, 324 99R, 364900, G01R 1300

Patent

active

040412881

ABSTRACT:
A voltage level display circuit for providing a display of the magnitude of the reference voltage level to a comparator circuit. A microprocessor is responsive to an input command signal to generate a digital reference voltage level which is converted by a digital to analog converter to an analog signal which is coupled to a reference voltage input of a comparator which compares the reference voltage level with an applied signal. A digital display is coupled to the output of the microprocessor to simultaneously provide a visual indication of the output of the microprocessor while generating the digital reference voltage signal.

REFERENCES:
patent: 3496562 (1970-02-01), Smith
patent: 3838413 (1974-09-01), Wehrmann
patent: 3869667 (1975-03-01), Canicatti
Analogue Voltages Monitored by Microprocessor; J. Kaufmann; Electronic Engineering, vol. 48, No. 580, June 1976, pp. 23, 25, 27.
Built-in Microprocessor Available in Scope; News Scope, Sept. 27, 1974, p. 25.
Voltage Comparator Circuit; C. D. Driscoll; IBM Technical Disclosure Bulletin; vol. 17, No. 4, Sept. 1974, pp. 1151-1152.

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