Position measuring system

Details Position measuring system Position measuring system

1997-02-10

1998-05-19

Canney, Vincent P.

Excavating

G06F 1106

Patent

active

057545685

ABSTRACT:
A position measuring system for increasing operational dependability, wherein the absolute position is generated by scanning a chain code and erroneously scanned code words are detected and excluded from further processing. A plurality of codes are scanned at areas of the code track which are distanced from each other and are supplied to an error check device.

REFERENCES:
patent: 5023434 (1991-06-01), Lanfer et al.
patent: 5068529 (1991-11-01), Ohno et al.
W. Wesley Peterson, Prufbare und korrigierbare Codes, 1967, pp. 184-215, Germany.

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