Method for operating a position measuring device

Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation

Reexamination Certificate

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Details

C324S535000, C375S224000, C375S220000, C702S069000, C702S079000

Reexamination Certificate

active

07043398

ABSTRACT:
A system for determining a signal running time between a position measuring system and an evaluation unit. The system includes a position measuring system that has a graduation connected to a moving element, a scanning unit that scans the graduation, wherein scanning of the graduation generates signals representative of a position of the moving element and a transceiver means for generating serial data that is transmitted along a data line connected to the transceiver. The system further includes an evaluation unit connected to the data line, the evaluation unit having means for determining a signal running time between the position measuring system and the evaluation unit.

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Internet Web page at www.heidenhain.com/highspeed.html entitled: “High-Speed Interface for Absolute Position Meauring Systems”, date unkown.
Steffen Bielski et al., Absolute Meβsysteme-Sicherheitserwartungen an die Datenerfassung und Datenübertragung, Messtechnik—mpa ½, 1996, pp. 6, 8, 9, 12, 14.

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