Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1984-02-23
1987-02-03
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
2502221, G01N 904
Patent
active
046410244
ABSTRACT:
In a conveyor system for conveying articles, such as a system for conveying cigarettes from a cigarette-manufacturing machine along a plurality of channels to a packaging machine, the level of cigarettes in one or more of the channels is measured by an analog-type level detector which generates a continuous output signal used to continuously control the speed of the conveyor system.
REFERENCES:
patent: 3961185 (1985-10-01), Brokenshire et al.
patent: 3993194 (1985-10-01), Realand
patent: 4254858 (1981-03-01), Seragnoli
patent: 4391362 (1985-10-01), Spinelli
patent: 4396835 (1983-08-01), Seragnoli
G. D. Societa per Azioni
Madoo L. W.
Nelms David C.
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