Optical sensor for monitoring cigarette groups

Details Optical sensor for monitoring cigarette groups Optical sensor for monitoring cigarette groups

1985-01-18

1987-07-07

LaRoche, Eugene R.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

2502221, 131905, H01J 4014

Patent

active

046789014

ABSTRACT:
During the packaging of cigarettes, cigarette groups (10) assigned to a pack are checked to ensure that all the cigarettes are present. For non-contact monitoring, optical transmitters (22) and receivers (23) are arranged in a support (cantilever 21) located above the path of movement of the cigarette groups (10), in such a way that, when the cigarettes in the top layer (17) are present and properly formed, a check beam (26) from the transmitter (22) is received as a reflected beam (27) by the receiver (23).

REFERENCES:
patent: 3779649 (1973-12-01), Bertoya et al.
patent: 4147173 (1979-04-01), Reuland
patent: 4209955 (1980-07-01), Seragnoli

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