Cigarette end group inspection system

Details Cigarette end group inspection system Cigarette end group inspection system

1991-09-06

1993-06-29

Rosenberger, Richard A.

Optics: measuring and testing

By configuration comparison

With comparison to master, desired shape, or reference voltage

356237, 356398, 209535, G01B 1100, B07C 500

Patent

active

052239152

ABSTRACT:
A system for inspecting the ends of cigarettes prior to their packaging on a conveyor line. The system provides telecamera units which produce images of the ends of a group of cigarettes. A processing unit then analyses the brightness level of a given area on each cigarette end. The processing unit then counts the total number of areas having a brightness level within a given range and compares that number with that of a reference end image for determining the existence of defects. An expulsion unit is further provided for rejecting those groups of cigarettes which fall below the requirements of the reference end image.

REFERENCES:
patent: 3473037 (1969-10-01), Schmermund
patent: 3555287 (1971-01-01), Schmermund
patent: 4266674 (1981-05-01), Bell et al.
patent: 4486098 (1984-12-01), Buchegger et al.
patent: 4644150 (1987-02-01), Kuga et al.
patent: 4972494 (1990-11-01), White et al.
patent: 4976544 (1990-12-01), Neri

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