Optical: systems and elements – Diffraction – From grating
Reexamination Certificate
2006-01-23
2008-12-09
Schwartz, Jordan M. (Department: 2873)
Optical: systems and elements
Diffraction
From grating
C359S572000, C359S573000, C359S574000, C359S575000
Reexamination Certificate
active
07463419
ABSTRACT:
The invention relates to an optoelectronic sensor comprising an integrated arrangement of a plurality of light emitting diodes arranged in the region of an optical receiving system for the illumination of a sensing region, with beam-shaping optical elements being associated with the light emitting diodes. The beam-shaping optical elements have optical properties which differ from one another and are dependent on their relative position to the optical receiving system. Furthermore, the beam-shaping optical elements have a wedge shape, with in each case precisely one wedge element or regions of up to four adjacent wedge elements being associated with the light emitting diodes.
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Harness & Dickey & Pierce P.L.C.
Jones James C
Schwartz Jordan M.
Sick AG
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