Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 28, 2009
Patent Application Number
11588815
Date Filed
October 27, 2006
Patent Primary Examiner
Patent abstract
An optical scanning unit of a position measuring system for measuring a relative position of a first machine element with respect to a second machine element in a measuring direction. The optical scanning unit includes a support of a scanning grating attached to the first machine element and a detector unit attached separately to the first machine element, wherein a scanning light beam extends from the scanning grating to the detector unit as a free beam.
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