Method of calibrating a potentiometer

Details Method of calibrating a potentiometer Method of calibrating a potentiometer

1998-03-27

2000-06-13

Ballato, Josi

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Calibration

324 63, 3241581, G01R 3500

Patent

active

060753706

ABSTRACT:
A method for calibrating a potentiometer that determines the actual resistance of the potentiometer throughout its range of motion. The potentiometer is rotated in a forward direction from its first stop position to its second stop position while resistance measurements are made based on pulses generated by an encoder coupled to the potentiometer. After the forward resistance measurements are made, a set of reverse resistance measurements are made as the potentiometer moves between the second stop position and the first stop position. A microprocessor combines the forward and reverse resistance measurements to generate an average resistance value for each angular position of the potentiometer. An individual label is then printed based on the specific resistance characteristics of the potentiometer being tested.

REFERENCES:
patent: 2123142 (1938-07-01), McMaster
patent: 2424146 (1947-07-01), Caldwell et al.
patent: 3416084 (1968-12-01), Julie
patent: 3852665 (1974-12-01), Bothner
patent: 5565785 (1996-10-01), Rodgers et al.

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