Color sensor

Details Color sensor Color sensor

1988-01-21

1989-05-30

Evans, F. L.

Optics: measuring and testing

By shade or color

Trichromatic examination

250226, 356407, 356419, 356425, G01J 350

Patent

active

048345415

ABSTRACT:
A color sensor makes a color distinction based on outputs from three primary optical sensing devices for receiving light having three primary colors under a fluorescent lamp by calculating a relative composition ratio of the three primary colors in an integrator. The operation of the integrator is controlled by a pulse generated by detecting a peak value of the light based on an output from a complementary optical sensing device sensitive to visible light.

REFERENCES:
patent: 4547074 (1985-10-01), Hinoda et al.

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