Geometrical instruments – Distance measuring – Error compensation
Patent
1989-06-22
1991-01-08
Haroian, Harry N.
Geometrical instruments
Distance measuring
Error compensation
33707, G01B 1104
Patent
active
049825089
ABSTRACT:
A position measuring device including a scale carrier member and a scanning device for scanning the scale. A temperature difference is generated between the scale carrier member and/or the scanning device, on the one hand, and a housing surrounding the scale carrier member and the scanning device, on the other hand. The temperature difference ensures that condensate is always precipitated on the colder housing.
REFERENCES:
patent: 4728232 (1988-03-01), Babel
patent: 4831737 (1989-05-01), Grund
Nelle Gunther
Schmitt Walter
Schopf Reinhold
Weiss Josef
Dr. Johannes Heidenhain GmbH
Haroian Harry N.
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