DE69017200T2 - Optisches zweiwegübertragungssystem. - Google Patents

Optisches zweiwegübertragungssystem.

Info

Publication number
DE69017200T2
DE69017200T2 DE69017200T DE69017200T DE69017200T2 DE 69017200 T2 DE69017200 T2 DE 69017200T2 DE 69017200 T DE69017200 T DE 69017200T DE 69017200 T DE69017200 T DE 69017200T DE 69017200 T2 DE69017200 T2 DE 69017200T2
Authority
DE
Germany
Prior art keywords
optical
pct
signals
light source
optical communications
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
DE69017200T
Other languages
English (en)
Other versions
DE69017200D1 (de
Inventor
Anthony Cooper
Andrew Hunwicks
Lawrence Bickers
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.)
IPG Photonics Corp
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of DE69017200D1 publication Critical patent/DE69017200D1/de
Publication of DE69017200T2 publication Critical patent/DE69017200T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/003Telephone sets using electrooptical means in the transmission path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25Arrangements specific to fibre transmission
    • H04B10/2589Bidirectional transmission
DE69017200T 1989-02-16 1990-02-02 Optisches zweiwegübertragungssystem. Expired - Lifetime DE69017200T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898903568A GB8903568D0 (en) 1989-02-16 1989-02-16 Optical communications system
PCT/GB1990/000157 WO1990009709A1 (en) 1989-02-16 1990-02-02 Two-way optical communications system

Publications (2)

Publication Number Publication Date
DE69017200D1 DE69017200D1 (de) 1995-03-30
DE69017200T2 true DE69017200T2 (de) 1995-06-14

Family

ID=10651820

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69017200T Expired - Lifetime DE69017200T2 (de) 1989-02-16 1990-02-02 Optisches zweiwegübertragungssystem.

Country Status (10)

Country Link
US (1) US5305133A (de)
EP (1) EP0458813B1 (de)
JP (1) JP3267605B2 (de)
AT (1) ATE118937T1 (de)
AU (1) AU626177B2 (de)
CA (1) CA2046321C (de)
DE (1) DE69017200T2 (de)
ES (1) ES2068383T3 (de)
GB (1) GB8903568D0 (de)
WO (1) WO1990009709A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3907495A1 (de) * 1989-03-08 1990-09-13 Standard Elektrik Lorenz Ag Optisches nachrichtenuebertragungssystem fuer den teilnehmeranschlussbereich
US5652813A (en) * 1995-03-31 1997-07-29 The Whitaker Corporation Line bi-directional link
IL114176A (en) * 1995-06-15 2000-02-29 Jolt Ltd Wireless communication system
US5936754A (en) * 1996-12-02 1999-08-10 At&T Corp. Transmission of CDMA signals over an analog optical link
SE514821C2 (sv) * 1997-11-24 2001-04-30 Ericsson Telefon Ab L M Förfarande och anordning för överhörningsreducering i en dubbelrikad optisk länk
FI981079A (fi) 1998-05-14 1999-11-15 Nokia Networks Oy Signaalien siirtomenetelmä ja emolevyrakenne
JP4902044B2 (ja) * 1999-09-24 2012-03-21 シャープ株式会社 半導体レーザ装置、光伝送装置、光伝送システム、電子機器、制御装置、接続コネクタ、通信装置、ならびに光伝送方法、データ送受信方法
KR100491530B1 (ko) * 2002-05-03 2005-05-27 엘지전자 주식회사 모션 벡터 결정 방법
US7399205B2 (en) * 2003-08-21 2008-07-15 Hill-Rom Services, Inc. Plug and receptacle having wired and wireless coupling
DE102004046503B4 (de) * 2004-09-23 2009-04-09 Eads Deutschland Gmbh Indirektes optisches Freiraum-Kommunikationssystem zur breitbandigen Übertragung von hochratigen Daten im Passagierraum eines Flugzeugs
US7884735B2 (en) * 2005-02-11 2011-02-08 Hill-Rom Services, Inc. Transferable patient care equipment support
US8873966B1 (en) * 2008-02-26 2014-10-28 Cirrex Systems, Llc Compact transceiver system and method for optical communication
US10395769B2 (en) 2015-12-16 2019-08-27 Hill-Rom Services, Inc. Patient care devices with local indication of correspondence and power line interconnectivity

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456793A (en) * 1982-06-09 1984-06-26 Bell Telephone Laboratories, Incorporated Cordless telephone system
JPS59216335A (ja) * 1983-05-24 1984-12-06 Fujitsu Ltd 光伝送方式
US4941207A (en) * 1984-05-01 1990-07-10 Nihon Musen Kabushiki Kaisha Structure for wireless communication in an electromagnetically shielded building
JPS6135031A (ja) * 1984-07-26 1986-02-19 Sumitomo Electric Ind Ltd 双方向光通信方式
CA1235185A (en) * 1985-06-12 1988-04-12 Northern Telecom Limited Optical fiber order wire system
GB2214755B (en) * 1988-01-29 1992-06-24 Walmore Electronics Limited Distributed antenna system
DK364788D0 (da) * 1988-07-01 1988-07-01 Novo Industri As Enzymatisk fremgangsmaade til fjernelse af komplekser
GB2222735B (en) * 1988-07-25 1992-08-19 British Telecomm Optical communications systems
US5029306A (en) * 1989-08-10 1991-07-02 The Boeing Company Optically fed module for phased-array antennas
JPH06135031A (ja) * 1992-10-23 1994-05-17 Fuji Xerox Co Ltd サーマルヘッド

Also Published As

Publication number Publication date
CA2046321A1 (en) 1990-08-17
JPH04503442A (ja) 1992-06-18
AU5032290A (en) 1990-09-05
CA2046321C (en) 1996-08-27
WO1990009709A1 (en) 1990-08-23
AU626177B2 (en) 1992-07-23
JP3267605B2 (ja) 2002-03-18
EP0458813A1 (de) 1991-12-04
ES2068383T3 (es) 1995-04-16
EP0458813B1 (de) 1995-02-22
DE69017200D1 (de) 1995-03-30
GB8903568D0 (en) 1989-04-05
ATE118937T1 (de) 1995-03-15
US5305133A (en) 1994-04-19

Similar Documents

Publication Publication Date Title
EP0381341A3 (de) Frequenzumtastungsmoduliertes optisches System
ATE148281T1 (de) Funk-telefon system mit ''besetzt'' und ''ausser bereich'' funktionen
DE69021083D1 (de) Telekommunikationssystem.
AU632197B2 (en) Regenerative rf bidirectional amplifier system
KR970009301B1 (en) Spread spectrum communication system
DE69017200D1 (de) Optisches zweiwegübertragungssystem.
GB2242091B (en) An optical communication system.
EP0346925A3 (de) Privates Funkkommunikationssystem unter Verwendung von optischen Glasfasern
ATE8831T1 (de) Nachrichtenuebertragungssystem mit direkter lichtmodulation, optischer verbindung und mit einer bandbreite, die sich zu tiefen frequenzen und zu gleichanteilen hin erstreckt.
ES8705978A1 (es) Red de fibras opticas con un dispositivo para minimizar las perdidas de acoplamiento optico
KR910021063A (ko) 단일 파장 양방향 광섬유 통신 링크
DE69704101T2 (de) Optisches System mit einer oder mehreren stabilisierten Lasersignalquellen
EP0777345A3 (de) Verfahren zur Überwachung eines Übertragungssystems mit optischen Verstärkern-Regeneratoren
JPS54114005A (en) Optical communication system
SE9501075D0 (sv) Anordning och förfarande i ett optiskt bussnät
RU94010002A (ru) Способ передачи сигналов в пассивной оптической системе дальней связи
HUT60077A (en) Method for two-way data transmission and communication system for realizing said method
MY105517A (en) Fiber optic data link system.
SE9500208D0 (sv) Förfarande och anordningar för att distribuera och mottaga våglängdsreferens i optiskt multikanalnät
DE69020340D1 (de) Optisches übertragungssystem.
JPS57127342A (en) Branchable multiplex loop transmitter
IT1248925B (it) Ripetitore per telecomunicazioni,in particolare per radiotelefonia
ES2102451T3 (es) Procedimiento y sistema de una tv de pago.
UA15728A (uk) Оптико-електроhhий пристрій

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: IPG PHOTONICS CORP., OXFORD, MASS., US