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.:
Date of Patent:
Feb. 15, 2011
Filed:
Jan. 28, 2008
Jong-hoon Ann, Suwon-si, KR;
Jong-Hoon Ann, Suwon-si, KR;
Samsung Electronics Co., Ltd., Maetan-Dong, Yeongtong-Gu, Suwon-Si, Gyeonggi-Do, KR;
Abstract
A method and an apparatus for correcting a color imbalance of visible light in wavelength division parallel visible light communications (VLC). The method includes the steps of: transmitting a visible light signal including information from a VLC transmitter to a VLC receiver during a preset correction unit, and setting correction bits corresponding to a basis for correcting a color imbalance by each of wavelengths of the VLC transmitter A generating of a first adjustment light corrects the color imbalance between the wavelengths from the VLC transmitter during a preset color adjustment period, and generating of a second adjustment light corrects a color imbalance between a previous correction unit and a current correction unit from the visible light communication transmitter.