发明公开
EP2136484A1 VISIBLE LIGHT TRANSMITTER, VISIBLE LIGHT RECEIVER, VISIBLE LIGHT COMMUNICATION SYSTEM, AND VISIBLE LIGHT COMMUNICATION METHOD
有权
具有与可见光和通信方式使可见光可见光通信系统可见光接收器STATION
- 专利标题: VISIBLE LIGHT TRANSMITTER, VISIBLE LIGHT RECEIVER, VISIBLE LIGHT COMMUNICATION SYSTEM, AND VISIBLE LIGHT COMMUNICATION METHOD
- 专利标题(中): 具有与可见光和通信方式使可见光可见光通信系统可见光接收器STATION
-
申请号: EP07860136.6申请日: 2007-12-26
-
公开(公告)号: EP2136484A1公开(公告)日: 2009-12-23
- 发明人: TOGASHI, Mitsuhiro
- 申请人: Samsung Electronics Co., Ltd.
- 申请人地址: 416, Maetan-dong Yeongtong-gu Suwon-si Seoul 442-742 KR
- 专利权人: Samsung Electronics Co., Ltd.
- 当前专利权人: Samsung Electronics Co., Ltd.
- 当前专利权人地址: 416, Maetan-dong Yeongtong-gu Suwon-si Seoul 442-742 KR
- 代理机构: Boakes, Jason Carrington
- 优先权: JP2007091744 20070330
- 国际公布: WO2008129742 20081030
- 主分类号: H04B10/04
- IPC分类号: H04B10/04 ; H04B10/06 ; H04B10/142 ; H04B10/152 ; H04N9/64 ; H04N11/00 ; H04N11/24
摘要:
A visible light communication system having a transmission apparatus for modulating a transmission signal to a multiple-value number and a reception apparatus for demodulating a multiple-value modulated transmission signal is provided. The transmission apparatus includes a plurality of light emitters for emitting light in different colors, a chromaticity coordinates calculator for mapping a digital value to a chromaticity coordinates value, and a light intensity controller for controlling a light intensity of each of the light emitters based on the chromaticity coordinates value corresponding to the digital value. The reception apparatus includes a plurality of light receivers having different spectral characteristics, a chromaticity coordinates calculator for calculating a chromaticity coordinates value according to a received light intensity detected by each of the light receivers, and a demodulator for demodulating the digital value from the chromaticity coordinates value.
公开/授权文献
信息查询