Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate
2005-02-01
2005-02-01
Allen, Stephone B. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
C250S221000, C250S559190, C235S462010
Reexamination Certificate
active
06849860
ABSTRACT:
The invention relates to a detection system and a detection method for the detection and tracking of optical codes on objects which are transported along a monitored zone, comprising a plurality of optoelectronic sensors to read the codes and to generate corresponding reading data and comprising at least two data buses, each having its own associated bus control unit, wherein each of the plurality of sensors is connected both to the one and to the other of the two data buses and wherein the one of the two data buses with the associated bus control unit, on the one hand, and the other data bus with the associated bus control unit, on the other hand, are divided into a primary branch and a secondary branch which is subordinate to the primary branch.
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Gehring Roland
Kilian Reinhold
Reichenbach Juergen
Schumacher Daniel
Uhl Hubert
Allen Stephone B.
Sick AG
Townsend and Townsend / and Crew LLP
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