VISIBLE LIGHT COMMUNICATION DEVICE AND RECEPTION DEVICE

PROBLEM TO BE SOLVED: To enable a reception device to receive information in shorter time.SOLUTION: A visible light communication device 1 has a light source unit 20 for emitting light for visible light communication, and a signal control circuit 30 for generating an original signal of light to be e...

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1. Verfasser:	KIDO SHOJIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Zusammenfassung:	PROBLEM TO BE SOLVED: To enable a reception device to receive information in shorter time.SOLUTION: A visible light communication device 1 has a light source unit 20 for emitting light for visible light communication, and a signal control circuit 30 for generating an original signal of light to be emitted by the light source unit 20. The signal control circuit 30 generates the original signal containing a payload portion including identification information for identifying the visible light communication device 1, a CRC (Cyclic Redundancy Check) portion determined according to the content of the payload portion, and a recognition portion disposed just after the CRC portion.SELECTED DRAWING: Figure 2 【課題】より短時間に受信装置に情報を受信させる。【解決手段】可視光通信装置１であって、可視光通信のための光を出射する光源部２０と、光源部２０が出射する光の原信号を生成する信号制御回路３０とを備え、信号制御回路３０は、可視光通信装置１を識別するための識別情報を含むペイロード部分と、ペイロード部分の内容に応じて定められるＣＲＣ（ＣｙｃｌｉｃＲｅｄｕｎｄａｎｃｙＣｈｅｃｋ）部分と、ＣＲＣ部分の直後に配置される認識部分とを含む原信号を生成する。【選択図】図２