Non-linear error correction system

Details Non-linear error correction system Non-linear error correction system

1987-12-04

1990-03-27

Shoop, Jr., William M.

Coded data generation or conversion

Converter compensation

Temperature compensation

341118, 36457103, 36457104, 36457107, H03M 106

Patent

active

049124684

ABSTRACT:
A compensation system for a position encoder which automatically compensates for scale and other similar errors along the entire path of relative motion. The phase of the encoder signals is altered by a small amount for each small increment of relative motion to provide encoder signals compensated for the scale error. The phase correction is added to or substracted from the phase of the encoder signals depending upon the sense of relative motion.

REFERENCES:
patent: 3537099 (1970-10-01), Johansson
patent: 3790910 (1974-02-01), McCormack
patent: 4070665 (1978-01-01), Glennon et al.
patent: 4489551 (1984-12-01), Watanabe et al.
patent: 4584601 (1986-04-01), Suzuki et al.
patent: 4592002 (1986-05-01), Bozarth et al.
patent: 4602515 (1986-07-01), Eichenlaub
patent: 4631520 (1986-12-01), Wingate
Kennedy, Calibration of Analog Channels, IBM Technical Disclosure Bulletin, vol. 16, No. 9, 2/1974, p. 2771.

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