Optoelectric angle-measuring device

Details Optoelectric angle-measuring device Optoelectric angle-measuring device

2006-10-28

2010-11-09

Nguyen, Tu T (Department: 2886)

Optics: measuring and testing

Angle measuring or angular axial alignment

Reexamination Certificate

active

07830500

ABSTRACT:
An optoelectric angle-measuring device has a code carrier having a position code which can be detected optically as well as a scanning device in the form of a light-sensitive row or area for detecting the position code and generating a position-dependent scanning signal. The scanning device which is in the form of a scanning film, in particular, surrounds the code carrier or the code carrier essentially completely surrounds the scanning device along a circumference. This provides an extremely accurate angle-measuring device by virtue of the fact that a large part of the position code, in particular even the entire position code, can be detected.

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Someya T et al: “A large-area, flexible, and lightweight sheet image scanner integrated with organic field-effect transistors and organic photodiodes” Electron Devices Meeting, 2004. IEDM Technical Digest. IEEE International San Francisco, CA, USA Dec. 13-15, 2004, Piscataway, NJ, USA, IEEE, 12. Dec. 2004, Seiten 362-368, XP010788788 ISBN: 0-7803-8684-1.

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