Visible light sensor configured for glare detection and controlling motorized window treatments

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10822873
APP PUB NO 20180252035A1
SERIAL NO

15910943

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A sensor may detect glare from a recorded image and a shade position of a motorized window treatment may be controlled based on the position of the detected glare in the image. A luminance of a pixel may be calculated in an image and a glare condition may be detected based on the luminance of the pixel. For example, the sensor may start at a first pixel in a bottom row of pixels and step through each of the pixels on the bottom row before moving to a next row of pixels. When the sensor detects a glare condition, the sensor may cease processing the remaining pixels of the image. The sensor may calculate a background luminance of the image by reordering the pixels of the image from darkest to lightest and calculating the luminance of a pixel that is a predetermined percentage from the darkest pixel.

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Patent Owner(s)

  • LUTRON TECHNOLOGY COMPANY LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Casey, Craig A Coopersburg, US 5 13
Protzman, Brent Easton, US 78 1092

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