Position encoder compensation system

Details Position encoder compensation system Position encoder compensation system

1984-06-08

1986-12-23

Shoop, Jr., William M.

Communications: electrical

Audible indication

Percussion-type sound producer

340347P, H03K 1302, H03K 1318

Patent

active

046315209

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 or subtracted from the phase of the encoder signals depending upon the sense of relative motion.

REFERENCES:
patent: 4484816 (1984-11-01), Ohtomo et al.
patent: 4491826 (1985-01-01), Krogh et al.
patent: 4507647 (1985-03-01), Minami et al.

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