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GB2278971B - Two-way transmission system using single optical path - Google Patents

Two-way transmission system using single optical path

Info

Publication number
GB2278971B
GB2278971B GB9401632A GB9401632A GB2278971B GB 2278971 B GB2278971 B GB 2278971B GB 9401632 A GB9401632 A GB 9401632A GB 9401632 A GB9401632 A GB 9401632A GB 2278971 B GB2278971 B GB 2278971B
Authority
GB
United Kingdom
Prior art keywords
optical path
transmission system
single optical
way transmission
way
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
GB9401632A
Other versions
GB9401632D0 (en
GB2278971A (en
Inventor
Masaaki Takahashi
Aya Suzuki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of GB9401632D0 publication Critical patent/GB9401632D0/en
Publication of GB2278971A publication Critical patent/GB2278971A/en
Application granted granted Critical
Publication of GB2278971B publication Critical patent/GB2278971B/en
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
    • H04J14/08—Time-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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2589—Bidirectional transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Bidirectional Digital Transmission (AREA)
GB9401632A 1993-06-07 1994-01-28 Two-way transmission system using single optical path Expired - Fee Related GB2278971B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5135693A JPH06350580A (en) 1993-06-07 1993-06-07 Optical ping-pong transmission method using optical switch

Publications (3)

Publication Number Publication Date
GB9401632D0 GB9401632D0 (en) 1994-03-23
GB2278971A GB2278971A (en) 1994-12-14
GB2278971B true GB2278971B (en) 1997-09-24

Family

ID=15157708

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9401632A Expired - Fee Related GB2278971B (en) 1993-06-07 1994-01-28 Two-way transmission system using single optical path

Country Status (3)

Country Link
JP (1) JPH06350580A (en)
DE (1) DE4402831C2 (en)
GB (1) GB2278971B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19515375A1 (en) * 1995-05-02 1996-11-07 Qualico Prozesueberwachungssys Light conductor multiplexer arrangement
JPH10285120A (en) * 1997-04-02 1998-10-23 Nec Corp Optical communication subscriber service system
RU2174287C2 (en) * 1999-06-21 2001-09-27 Товарищество с ограниченной ответственностью Предприятие "А & П" Optical communication system
JP4756340B2 (en) * 2005-10-13 2011-08-24 株式会社デンソー Communication system and method, and distributed control system and method
RU2389138C2 (en) * 2005-11-29 2010-05-10 Федеральное Государственное Учреждение "Федеральное Агентство По Правовой Защите Результатов Интеллектуальной Деятельности Военного, Специального И Двойного Назначения" При Министерстве Юстиции Российской Федерации Controlled optical multiplexer
EP1971060A4 (en) * 2005-11-29 2010-06-02 G Uchrezhdenie Federalnoe Agen OPTICAL MULTIPLEXER CONTROL
KR100762637B1 (en) * 2006-05-03 2007-10-01 삼성전자주식회사 Single Wavelength Bidirectional ROP Link Device for TD System Wireless Signal Transmission
RU2485688C2 (en) * 2011-08-09 2013-06-20 Государственное казённое образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФСО России) Method to transfer analogue signals along emergency digital fibre-optic transmission system and device that realises it
RU2483445C1 (en) * 2011-12-02 2013-05-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") System for wireless atmospheric optical communication at high electromagnetic interference facilities
JP6951957B2 (en) * 2017-12-07 2021-10-20 三菱スペース・ソフトウエア株式会社 Packet relay system, relay device and relay program

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1461362A (en) * 1974-02-28 1977-01-13 British Aircraft Corp Ltd Optical communication systems
US4551829A (en) * 1982-03-10 1985-11-05 Harris Corporation Wavelength division multiplexed fiber-optic cable system with non-unique terminal types
US5077813A (en) * 1990-04-25 1991-12-31 Carl-Zeiss-Stiftung Optical switch

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3220817A1 (en) * 1982-06-03 1983-12-08 Standard Elektrik Lorenz Ag, 7000 Stuttgart DISTRIBUTION NETWORK
US4637016A (en) * 1985-05-09 1987-01-13 Northern Telecom Limited Frame synchronization circuit for digital transmission system
DE3937737C2 (en) * 1989-11-13 1999-10-21 Sel Alcatel Ag Connection circuit to the network of a digital message transmission system with multiple access in time division multiplex
US4978189A (en) * 1989-11-14 1990-12-18 At&T Bell Laboratories Hybrid optical isolator, circulator or switch, and systems utilizing same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1461362A (en) * 1974-02-28 1977-01-13 British Aircraft Corp Ltd Optical communication systems
US4551829A (en) * 1982-03-10 1985-11-05 Harris Corporation Wavelength division multiplexed fiber-optic cable system with non-unique terminal types
US5077813A (en) * 1990-04-25 1991-12-31 Carl-Zeiss-Stiftung Optical switch

Also Published As

Publication number Publication date
DE4402831A1 (en) 1994-12-08
GB9401632D0 (en) 1994-03-23
JPH06350580A (en) 1994-12-22
GB2278971A (en) 1994-12-14
DE4402831C2 (en) 1999-05-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100128