US Patent No: 8,072,228 - Analytics, PDF, Full Text and PAIR Access

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Angle measuring device

ALSO PUBLISHED AS: 20090102492

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Abstract

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An angle measuring device for optical angle measurement has a telescope body 5 which is rotatably mounted around at least one shaft (1, 2; 11), wherein the shaft (1, 2; 11) is rotatably mounted at least two bearing points 6, and the bearing points 6 are at a distance from one another in the direction of the shaft (1, 2; 11). In this case, at least two sensor arrangements for detecting the position of the shaft (1, 2; 11) are respectively arranged at a measurement point along the shaft (1, 2; 11), wherein the measurement points are at a distance from one another in the direction of the shaft (1, 2; 11). At least one of the sensor arrangements has a group of capacitive sensors (7a, 7b, 7c, 7d) which detect a displacement of the shaft (1, 2; 11) in directions perpendicular to the axial direction at the measurement point.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
LEICA GEOSYSTEMS AGHEERBRUGG247

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Meier, Dietrich Hamburg, DE 19 105

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Kern & Co. Ltd. (1)
* 5,000,585 Apparatus for bearing a shaft 2 1989
 
Tokyo Kogaku Kikai Kabushiki Kaisha (1)
4,455,758 Bearing means for angle measuring instruments 4 1983
* Cited By Examiner

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