Precision displacement reference system

Details Precision displacement reference system Precision displacement reference system

1998-01-21

2000-02-22

Lee, John R

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25023114, 25023117, G01D 5347

Patent

active

060283041

ABSTRACT:
A precision displacement reference system is described, which enables real time accountability over the applied displacement feedback system to precision machine tools, positioning mechanisms, motion devices, and related operations. As independent measurements of tool location is taken by a displacement feedback system, a rotating reference disk compares feedback counts with performed motion. These measurements are compared to characterize and analyze real time mechanical and control performance during operation.

REFERENCES:
patent: 3858053 (1974-12-01), Burnett
patent: 4331866 (1982-05-01), Batzdorff
patent: 4427882 (1984-01-01), Nakaoki et al.
patent: 4468617 (1984-08-01), Ringwall
patent: 4789874 (1988-12-01), Majette et al.

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