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:
May. 16, 2017

Filed:

Sep. 24, 2012
Applicant:

Philips Lighting Holding B.v., Eindhoven, NL;

Inventors:

Dagnachew Birru, Yorktown Heights, NY (US);

Yao-Jung Wen, Concord, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 15/02 (2006.01); G05B 19/042 (2006.01); E06B 9/68 (2006.01); G05D 25/02 (2006.01); H05B 37/02 (2006.01); E06B 9/32 (2006.01);
U.S. Cl.
CPC ...
E06B 9/68 (2013.01); G05D 25/02 (2013.01); H05B 37/0218 (2013.01); E06B 9/32 (2013.01); E06B 2009/6818 (2013.01); E06B 2009/6827 (2013.01); Y02B 20/46 (2013.01);
Abstract

A system and method of controlling light distribution in a space including an installed light source, an external light source, at least one blind(s) for a window in the space, a lighting control unit and a daylight/blind control unit, the method includes, in the lighting control unit, estimating task illuminances from the installed light source and the external light source at a plurality of measuring areas within the space, determining an intensity level of each of the installed light source based on the estimated illuminances; and determining a first positioning of the blinds according to predetermined requirements and/or measurements, in the daylight/blind control unit, receiving the plurality of measuring areas data within the space, determining a second positioning of the blinds according to predetermined requirements, selecting either the first or second positioning of the blinds to provide optimal daylight comfort, glare prevention and view.


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