Analog input method

Details Analog input method Analog input method

1994-09-08

1996-05-28

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Self-calibration

73765, 324706, G01R 102, G01B 718

Patent

active

055214924

ABSTRACT:
An analog input method comprises the steps of correcting a measured value with the digital value output when voltage at either middle point of a bridge circuit is fed into both input terminals of a differential analog amplifier or feeding two middle-point voltages of a bridge circuit into input terminal of an analog amplifier in order and providing a measured value based on the difference between the digital values output from the analog amplifier.

REFERENCES:
patent: 2877308 (1959-03-01), Reiner et al.
patent: 3940759 (1976-02-01), Zitelli et al.
patent: 4250555 (1981-02-01), Mitchell et al.
patent: 4404856 (1983-09-01), Honda et al.
patent: 4535278 (1985-08-01), Milkovic

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