Device for detecting labels on a carrier material

Details Device for detecting labels on a carrier material Device for detecting labels on a carrier material

2006-05-01

2008-10-21

Kwok, Helen C. (Department: 2856)

Measuring and testing

Inspecting

C073S655000

Reexamination Certificate

active

07437960

ABSTRACT:
A device for detecting labels on a carrier material conveyed through a detection plane includes an optical sensor and an ultrasonic sensor. Each sensor is arranged to detect labels. Switching elements selectively activate one of the sensors.

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patent: 5796091 (1998-08-01), Schmidt et al.
patent: 6314054 (2001-11-01), Priebsch
patent: 6709393 (2004-03-01), Ogawa
patent: 7172195 (2007-02-01), Sano et al.
patent: 199 21 217 (2000-11-01), None
patent: 2000-202369 (2000-07-01), None

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