Patent Number: 7,534,993

Title: Position-measuring device

Abstract: A position-measuring device for measuring linear and/or angular positions includes at least two measuring standards on which at least one code track is applied, and includes a scanning unit for scanning the code tracks. The measuring standards are positioned with respect to each other such that at least one code track of a first measuring standard and at least one code track of a second measuring standard at least partially overlap and the position information of at least one of the code tracks is scannable by the scanning unit in the region of overlap.

Inventors: Strasser; Erich (Trostberg, DE)

Assignee: Dr. Johannes Heidenhain GmbH

International Classification: G01D 5/34 (20060101)

Expiration Date: 2021-05-19 0:00:00