DE602004028772D1 - Optisches, drahtloses Kommunikationssystem - Google Patents

Optisches, drahtloses Kommunikationssystem

Info

Publication number
DE602004028772D1
DE602004028772D1 DE602004028772T DE602004028772T DE602004028772D1 DE 602004028772 D1 DE602004028772 D1 DE 602004028772D1 DE 602004028772 T DE602004028772 T DE 602004028772T DE 602004028772 T DE602004028772 T DE 602004028772T DE 602004028772 D1 DE602004028772 D1 DE 602004028772D1
Authority
DE
Germany
Prior art keywords
wireless communication
communication system
optical wireless
optical
wireless
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE602004028772T
Other languages
English (en)
Inventor
Kiriko Yamada
Takayoshi Sasao
Masahisa Sakai
Junichi Kubota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of DE602004028772D1 publication Critical patent/DE602004028772D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/075—Monitoring an optical transmission system using a supervisory signal using a pilot tone

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
DE602004028772T 2003-02-07 2004-01-29 Optisches, drahtloses Kommunikationssystem Expired - Lifetime DE602004028772D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003031375 2003-02-07

Publications (1)

Publication Number Publication Date
DE602004028772D1 true DE602004028772D1 (de) 2010-10-07

Family

ID=32767658

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004028772T Expired - Lifetime DE602004028772D1 (de) 2003-02-07 2004-01-29 Optisches, drahtloses Kommunikationssystem

Country Status (4)

Country Link
US (1) US7356261B2 (de)
EP (1) EP1458121B1 (de)
CN (1) CN1527506B (de)
DE (1) DE602004028772D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4689412B2 (ja) * 2005-08-31 2011-05-25 京セラ株式会社 送信装置及び通信システム
JP2008227944A (ja) * 2007-03-13 2008-09-25 Toshiba Corp 可視光通信の受信装置及び可視光通信システム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6160365A (ja) 1984-08-31 1986-03-28 古河電気工業株式会社 磁石式連続輸送システムの列車加減速方法
JPH043664A (ja) 1990-04-20 1992-01-08 Sony Corp リモートコントロール装置
JP3109876B2 (ja) 1991-11-13 2000-11-20 キヤノン株式会社 光空間伝送装置
US5710652A (en) 1992-08-27 1998-01-20 Trex Communications Laser communication transceiver and system
JP3059870B2 (ja) 1992-10-16 2000-07-04 日本ビクター株式会社 光無線送受信装置及び光無線装置並びに光無線装置の光軸調整方法
US5532858A (en) 1992-10-16 1996-07-02 Nit Data Communications Victor Company Of Japan Optical radio transmission system and a method for adjusting optical axes thereof
EP1072026A4 (de) * 1998-03-20 2001-09-05 Versitech Ltd Simultaner anzeige und datenkommunikation mittels leuchtdioden
JP2000022632A (ja) * 1998-06-26 2000-01-21 Sony Corp 画像表示装置
JP2001086068A (ja) * 1999-06-10 2001-03-30 Canon Inc 光伝送装置およびそれを用いた双方向光空間伝送システム
US6616352B1 (en) * 1999-06-10 2003-09-09 Canon Kabushiki Kaisha Optical transmission apparatus and bidirectional optical space transmission system using the same
EP1197017A1 (de) * 1999-07-08 2002-04-17 QuantumBeam Limited Signalisierungssystem
US20020131121A1 (en) * 2001-03-13 2002-09-19 Muthu Jeganathan Transceiver, system, and method for free-space optical communication and tracking

Also Published As

Publication number Publication date
CN1527506B (zh) 2010-05-05
US7356261B2 (en) 2008-04-08
EP1458121B1 (de) 2010-08-25
CN1527506A (zh) 2004-09-08
EP1458121A2 (de) 2004-09-15
US20040190898A1 (en) 2004-09-30
EP1458121A3 (de) 2007-04-18

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