Controlling ultraviolet intensity over a surface of a light sensitive object

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United States of America Patent

PATENT NO 10433493
APP PUB NO 20180092308A1
SERIAL NO

15711291

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Abstract

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An approach for controlling ultraviolet intensity over a surface of a light sensitive object is described. Aspects involve using ultraviolet radiation with a wavelength range that includes ultraviolet-A and ultraviolet-B radiation to irradiate the surface. Light sensors measure light intensity at the surface, wherein each sensor measures light intensity in a wavelength range that corresponds to a wavelength range emitted from at least one of the sources. A controller controls the light intensity over the surface by adjusting the power of the sources as a function of the light intensity measurements. The controller uses the light intensity measurements to determine whether each source is illuminating the surface with an intensity that is within an acceptable variation with a predetermined intensity value targeted for the surface. The controller adjusts the power of the sources as a function of the variation to ensure an optimal distribution of light intensity over the surface.

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Patent Owner(s)

Patent OwnerAddress
SENSOR ELECTRONIC TECHNOLOGY INC110 ATLAS CT COLUMBIA SC 29209

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barber,, III Arthur Peter Columbia, US 16 181
Dobrinsky, Alexander Silver Spring, US 283 5276
Shatalov, Maxim S Columbia, US 171 2309
Shur, Michael Latham, US 413 8134

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