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.

Patent No.:

US 7633244 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 15, 2009

Filed:

Sep. 19, 2007
Applicant:

Ying-chang Cheng, Taipei Hsien, TW;

Inventor:

Ying-Chang Cheng, Taipei Hsien, TW;

Assignee:

Zippy Technology Corp., Taipei Hsien, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 41/36 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for dimming multiple lamps includes: getting a brightness range of a lighting area which has at least two light sources, getting a dimming range of the light sources, setting the brightness of the lighting area, determining the dimming value of each light source, and defining different dimming values of at least two light sources. The luminosity adjustment upper limit and lower limit of the individual light sources are obtained. After the brightness of the lighting area is set the dimming value of each light source is determined to form the brightness of the lighting area through the two light sources of different brightness.


Find Patent Forward Citations

Cheng, Ying-Chang. (2009). Method for dimming multiple lamps (U.S. Patent No. 7633244). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7633244

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