Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Reexamination Certificate
2011-05-03
2011-05-03
Tarcza, Thomas H (Department: 3662)
Optics: measuring and testing
Velocity or velocity/height measuring
With light detector
C356S028500
Reexamination Certificate
active
07936450
ABSTRACT:
The invention relates to an opto-electronic sensor arrangement (10) with an optical transmitter (20) and an optical receiver (30), such that the optical transmitter (20) and the optical receiver (30) are so positioned that they either form an optical scanner designed as an optical scanner with background gating or form a reflecting light barrier in conjunction with a reflector (60), and such that the optical receiver (30) has a detector (32) in which successive images of the light beam (30a) reflected from the object (50) are detected and are compared in an evaluating unit (36), and the outcome of the comparison provides information on the movement of the object (50) relative to the optical receiver (30), so that the detector exercises a movement function.
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Hoersch Ingolf
Lang Felix
Meyer Jerald L.
Protigal Stanley N.
Ratcliffe Luke D
Sick AG
Tarcza Thomas H
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