Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
照明光通信装置、照明光通信方法及びコンピュータプログラム
Document Type and Number:
Japanese Patent JP4676494
Kind Code:
B2
Abstract:
White light emitting diodes (11A, 11A, ...) emits illumination light modulated by communication information. A light quantity control unit (13) controls generation of the illumination light or modulation by a modulation unit (12) so that the light quantity of the illumination light per a predetermined period is constant. For example, the light quantity control unit (13) performs biphase encoding for the communication information.

Inventors:
Kazuo Kuroda
Akira Imamura
Kei Tanaka
Application Number:
JP2007524008A
Publication Date:
April 27, 2011
Filing Date:
June 30, 2006
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Pioneer Corporation
International Classes:
H04B10/11; H04B10/116; H04B10/516; H04B10/524; H04B10/556; H04B10/564; H04B10/61; H05B37/02
Domestic Patent References:
JP2004246274A2004-09-02
JPS63156443A1988-06-29
Attorney, Agent or Firm:
Tatsuo Egami
Satoshi Nakamura