Optics: measuring and testing – Inspection of flaws or impurities – Having predetermined light transmission regions
Patent
1994-11-15
1996-12-10
Gonzalez, Frank
Optics: measuring and testing
Inspection of flaws or impurities
Having predetermined light transmission regions
356394, 356426, 2505594, 25055946, 131905, 131906, 131907, 131908, G01N 2100, G01B 1100
Patent
active
055836330
ABSTRACT:
A device for inspecting the filter end face of a filter cigarette is provided with an optical sensor having an aperture ring for emitting a measuring light toward the filter end face and receiving the light reflected from the filter end face and outputting a detection signal corresponding to the luminous energy of the reflected light, a hood for covering the aperture ring of the optical sensor, a plurality of injection holes for injecting compressed air into the hood, and a processing unit for determining whether the filter end face is normal or not in accordance with the detection signal output from the optical sensor.
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Komori Mikio
Matsumura Takeshi
Muramoto Hidenori
Eisenberg Jason D.
Gonzalez Frank
Japan Tobacco Inc.
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