DE69125859T2 - Optische Übertragungseinrichtung - Google Patents

Optische Übertragungseinrichtung

Info

Publication number
DE69125859T2
DE69125859T2 DE1991625859 DE69125859T DE69125859T2 DE 69125859 T2 DE69125859 T2 DE 69125859T2 DE 1991625859 DE1991625859 DE 1991625859 DE 69125859 T DE69125859 T DE 69125859T DE 69125859 T2 DE69125859 T2 DE 69125859T2
Authority
DE
Germany
Prior art keywords
transmission device
optical transmission
optical
transmission
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 - Fee Related
Application number
DE1991625859
Other languages
English (en)
Other versions
DE69125859D1 (de
Inventor
Kenji Nakamura
Jun Nitta
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP2008368A external-priority patent/JP2833661B2/ja
Priority claimed from JP2008369A external-priority patent/JP2833662B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69125859D1 publication Critical patent/DE69125859D1/de
Publication of DE69125859T2 publication Critical patent/DE69125859T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • 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
    • H04B10/50—Transmitters
    • 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/506—Multiwavelength transmitters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
DE1991625859 1990-01-19 1991-01-17 Optische Übertragungseinrichtung Expired - Fee Related DE69125859T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008368A JP2833661B2 (ja) 1990-01-19 1990-01-19 光通信機器
JP2008369A JP2833662B2 (ja) 1990-01-19 1990-01-19 光通信機器

Publications (2)

Publication Number Publication Date
DE69125859D1 DE69125859D1 (de) 1997-06-05
DE69125859T2 true DE69125859T2 (de) 1997-12-18

Family

ID=26342873

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1991625859 Expired - Fee Related DE69125859T2 (de) 1990-01-19 1991-01-17 Optische Übertragungseinrichtung

Country Status (2)

Country Link
EP (1) EP0438155B1 (de)
DE (1) DE69125859T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0951324A (ja) * 1995-08-09 1997-02-18 Nec Corp 波長多重光伝送システム
JPH0951325A (ja) * 1995-08-09 1997-02-18 Nec Corp 波長多重光伝送システム
JP3566496B2 (ja) * 1996-05-27 2004-09-15 キヤノン株式会社 波長制御方法及びそれを用いるネットワークシステム
GB9704587D0 (en) 1997-03-05 1997-04-23 Fujitsu Ltd Wavelength-division multiplexing in passive optical networks
GB2371698A (en) * 2001-01-24 2002-07-31 Marconi Comm Ltd Consolidating optical communication channels to occupy less bandwidth
KR100917852B1 (ko) * 2006-01-27 2009-09-18 니폰덴신뎅와 가부시키가이샤 광파장 다중접근 시스템
DE102009021010B4 (de) 2009-05-12 2012-03-01 Adva Ag Optical Networking Optische WDM Sende- und Empfangseinrichtung und optische Transceivereinheit hierfür
WO2012143046A1 (en) * 2011-04-20 2012-10-26 Telefonaktiebolaget L M Ericsson (Publ) Passive optical network optical network terminal apparatus and configuration method
CN112911424B (zh) * 2021-01-15 2022-04-29 烽火通信科技股份有限公司 一种单pd监控多路不同上行波长的方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA827851B (en) * 1981-11-04 1984-06-27 Racal Acoustics Ltd Communication set and method
US4592043A (en) * 1983-07-08 1986-05-27 At&T Bell Laboratories Wavelength division multiplexing optical communications systems
NL8503382A (nl) * 1985-12-09 1987-07-01 Philips Nv Werkwijze voor het gemeenschappelijk gebruik van duplex-kanalen in een automatisch kanaalkeuzesysteem en automatisch kanaalkeuzesysteem, waarin deze werkwijze wordt toegepast.
US4703474A (en) * 1986-02-28 1987-10-27 American Telephone And Telegraph Company, At&T Bell Laboratories Spread spectrum code-division-multiple-access (SS-CDMA) lightwave communication system
JPH0828736B2 (ja) * 1987-02-27 1996-03-21 キヤノン株式会社 通信システム
FR2642924B1 (fr) * 1989-02-03 1991-04-12 Comp Generale Electricite Reseau de communication sur fibres optiques avec multiplexage en frequences

Also Published As

Publication number Publication date
EP0438155B1 (de) 1997-05-02
EP0438155A3 (en) 1992-11-25
DE69125859D1 (de) 1997-06-05
EP0438155A2 (de) 1991-07-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee