Tob. Reporter, 2000, 127-8, p.76, ISSN.0361-5693
Optically inspecting cigarettes by detecting lengths of sections
Philip Morris Inc., New York, USA
U.S. Patent 6,075,882, assigned to Philip Morris Incorporated, New York, New York, USA. An inspection station irradiates a moving cigarette with one or more strobed arrays of infrared LEDs. The infrared radiation, which passes through the cigarette,...