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Class Information
Number: 33/702
Name: Geometrical instruments > Distance measuring > Error compensation (e.g., temperature)
Description: Subject matter which includes structure to make a correction of the distance measured.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8711365 Coordinate measuring device and method for measuring with a coordinate measuring device Apr. 29, 2014
8676527 Industrial machine Mar. 18, 2014
8667698 Co-ordinate measuring machine Mar. 11, 2014
8607466 Coordinate measuring machine (CMM) and method of compensating errors in a CMM Dec. 17, 2013
8479406 Length reference bar system and method Jul. 9, 2013
8457917 Device and method for setting out contours, points or works and a guiding device for use therewith Jun. 4, 2013
8448347 Length measuring device May. 28, 2013
8359764 Mount for a scale Jan. 29, 2013
8240060 Methods and apparatus for compensating temperature-dependent changes of positions on machine tools Aug. 14, 2012
8220173 Coordinate measurement machine with vibration detection Jul. 17, 2012
8156658 Linear encoder Apr. 17, 2012
8141264 Length reference bar system and method Mar. 27, 2012
8104189 Coordinate measurement machine with vibration detection Jan. 31, 2012
8051575 Mounted scale bar Nov. 8, 2011
8001700 Scanning unit of a position measuring arrangement Aug. 23, 2011
7934324 Linear scale May. 3, 2011
7891112 Guiding device with measuring scale for guiding a moveable machine element of a machine Feb. 22, 2011
7788821 Length measuring arrangement Sep. 7, 2010
7599813 Method and machine for determining a space coordinate of a measurement point on a measurement object Oct. 6, 2009
7587840 Dimension measuring apparatus and dimension measuring method Sep. 15, 2009
7475489 Scanning system of a position measuring device Jan. 13, 2009
7400990 Method for performing a function test of a position measuring system and position measuring system for executing the method Jul. 15, 2008
7395604 Laser level with temperature control device and temperature control method thereof Jul. 8, 2008
7281339 Encoder system Oct. 16, 2007
7266903 Method for correcting thermal displacement in a machine tool Sep. 11, 2007
7191541 Temperature compensation system for a coordinate measuring machine Mar. 20, 2007
7188432 Correction of the temperature error during a measurement conducted by a coordinate measuring device Mar. 13, 2007
7117110 Measuring method and measuring apparatus Oct. 3, 2006
7059063 Flexible coupling to accommodate thermal expansion and contraction in a coordinate measuring machine carriage Jun. 13, 2006
7047658 Apparatus and method to measure the dimensional and form deviation of crankpins at the place of grinding May. 23, 2006
7024789 Position measuring device with a temperature correction device Apr. 11, 2006
7007397 Length measuring apparatus Mar. 7, 2006
6964113 Scale-bar artifact and methods of use Nov. 15, 2005
6941669 Method for determining effective coefficient of thermal expansion Sep. 13, 2005
6931741 Scale device Aug. 23, 2005
6931749 Apparatus and methods for measuring the pin diameter of a crankshaft at the place of grinding Aug. 23, 2005
6901682 Rotation angle detecting apparatus and its rotary disc Jun. 7, 2005
6865820 Device and method for attaching a scale element or a protective tape therefor Mar. 15, 2005
6866451 Device for detecting a thermal linear dilation on part of a machine Mar. 15, 2005
6844720 Method and apparatus for calibrating a linear variable differential transformer Jan. 18, 2005
6829838 Temperature compensation system for a coordinate measuring machine Dec. 14, 2004
6766587 Multi-point frame-fixing unit type linear displacement measuring apparatus and method of fixing the same Jul. 27, 2004
6742274 Unit-type linear displacement measuring apparatus, end fixture therefor, and fixing method using the same Jun. 1, 2004
6705022 Method and apparatus for determining a pinion bearing move to align a pinion-to-gear assembly Mar. 16, 2004
6629374 Method and apparatus for linearity measurement Oct. 7, 2003
6612047 Length measuring device Sep. 2, 2003
6532680 Flat sensor, arrangement for a flat sensor, and method for compensating for thermal deformations Mar. 18, 2003
6487787 System and method for determination of error parameters for performing self-calibration and other functions without an external position reference in a transducer Dec. 3, 2002
6446350 Method and arrangement for reducing temperature-related dimensional discrepancies in measurement systems arranged in parallel Sep. 10, 2002
6443000 Measuring stick and thermometer Sep. 3, 2002

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