Sensing device using photocells, for color identification

Details Sensing device using photocells, for color identification Sensing device using photocells, for color identification

1975-05-07

1977-05-10

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

235 6111E, 250226, G06K 710

Patent

active

040230406

ABSTRACT:
A sensing system, for use in the identification of colored indicia defined on a body in a series arrangement, includes at least one flash lamp means electrically energizable to produce a burst of light to illuminate at least one of the indicia at a high level compared to the ambient light level, at least one photo-electric means disposed to receive light reflected from at least one of the illuminated indicia and operative to produce a sensor signal for light having a predetermined color, and detector means coupled to the photo-electric means and operative to be programmed to produce a test signal when the sensor signal is within a predetermined class of signals.

REFERENCES:
patent: 3138783 (1964-06-01), Toulmin
patent: 3555852 (1971-01-01), Stock et al.
patent: 3560758 (1971-02-01), Swanberg
patent: 3578976 (1971-05-01), Schunack
patent: 3708676 (1973-01-01), Huboi et al.
patent: 3904872 (1975-09-01), Ebukuro et al.

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