Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate
2007-05-08
2007-05-08
Luu, Thanh X. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
C250S231140, C356S615000, C356S619000
Reexamination Certificate
active
10258964
ABSTRACT:
A scanning unit for an optical position measuring device, the scanning unit having a structured optoelectronic photodetector that includes: a semiconductor substrate, a plurality of radiation-sensitive detector areas, which are arranged next to each other on the semiconductor substrate and a strip conductor, wherein at least a portion of the strip conductor is positioned across a surface defined by the plurality of detector areas and forms a connection with an associated detector area of the plurality of detector areas.
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Holzapfel Wolfgang
Loeschcke Klaus
Mayer Elmar J.
Brinks Hofer Gilson & Lione
Dr. Johannes Heidenhain GmbH
Livedalen Brian
Luu Thanh X.
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