The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 14, 2018

Filed:

Dec. 17, 2014
Applicant:

Eaton Intelligent Power Limited, Dublin, IE;

Inventors:

Joseph R. Casper, Syracuse, NY (US);

Christopher D. Nolan, Syracuse, NY (US);

Joseph J. Witkowski, Syracuse, NY (US);

Jeff R. Shuster, Syracuse, NY (US);

Brian M. Wilson, Syracuse, NY (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01); G09G 3/34 (2006.01); H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0869 (2013.01); G09G 3/3406 (2013.01); G09G 3/3413 (2013.01); H05B 33/0845 (2013.01); H05B 33/0848 (2013.01); H05B 33/0857 (2013.01); H05B 33/0863 (2013.01); H05B 33/0866 (2013.01); H05B 37/0218 (2013.01); H05B 37/0272 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0633 (2013.01); G09G 2330/021 (2013.01);
Abstract

A lighting system includes a group of light emitting diode (LED) illumination devices, each of which includes a device driver. One or more sensors are configured to measure a characteristic of light received from the devices in an area of an environment that is illuminated by the devices. A controller detects when a value of the measured light characteristic received by a sensor deviates from a desired value. When this happens, the controller will cause the device drivers for each of the LED illumination devices to control LEDs in each illumination device so that the desired color temperature of light will be received at the location of the sensor while maintaining a substantially constant illuminance level at the location.


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