B - Operations – Transporting – 07 – C
Patent
B - Operations, Transporting
07
C
354/57
B07C 5/10 (2006.01)
Patent
CA 1139885
BFN 6797 P-2050 APPARATUS AND METHOD FOR CONTAINER RECOGNITION Abstract of the Disclosure Apparatus and method for observing containers which are transported through an illumination station, and generating a recognition signal on the basis of leading edge scanning information. Leading edge scanning information is produced by a trigger photo- detector and a plurality of vertically arranged registration photodetectors. A container which is to be recognized is carried through the illumination station by a conveyor, and the conveyor generates conveyor clock pulses corresponding to actual move- ment of the container through the illumination station. The trigger photodetector senses the leading edge of the container, and it generates a trigger signal which enables a counter to begin counting conveyor clock pulses. The registration photodetectors are positioned downstream from the trigger photodetector and are connected for termina- ting the counting of conveyor clock pulses upon detection of the container leading edge at their respective positions. There is also disclosure of a vertically progressing arrangement of height detecting photo- detectors positioned above and upstream from the trigger photodetector. The height detecting photo- detectors perform a height classification at the instant of activation of the trigger photodetector. The system includes a plurality of recognition cir- cuits for recognizing different classes of containers, and the weight classification is used for selecting those recognition circuits to be employed for recognition of the particular container being observed.
352840
Ridout & Maybee Llp
The Mead Corporation
LandOfFree
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