FI921734A0 - Optisk mottagare. - Google Patents

Optisk mottagare.

Info

Publication number
FI921734A0
FI921734A0 FI921734A FI921734A FI921734A0 FI 921734 A0 FI921734 A0 FI 921734A0 FI 921734 A FI921734 A FI 921734A FI 921734 A FI921734 A FI 921734A FI 921734 A0 FI921734 A0 FI 921734A0
Authority
FI
Finland
Prior art keywords
pct
date
tdma frame
clamping
quiet phase
Prior art date
Application number
FI921734A
Other languages
English (en)
Finnish (fi)
Other versions
FI921734A (fi
Inventor
Donald Eric Arthur Clarke
Original Assignee
British Telecomm
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 Telecomm filed Critical British Telecomm
Publication of FI921734A0 publication Critical patent/FI921734A0/fi
Publication of FI921734A publication Critical patent/FI921734A/fi

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
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Communication System (AREA)
  • Saccharide Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Small-Scale Networks (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
FI921734A 1989-10-18 1992-04-16 Optisk mottagare. FI921734A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898923488A GB8923488D0 (en) 1989-10-18 1989-10-18 Optical receiver
PCT/GB1990/001607 WO1991006157A1 (en) 1989-10-18 1990-10-18 Optical receiver

Publications (2)

Publication Number Publication Date
FI921734A0 true FI921734A0 (fi) 1992-04-16
FI921734A FI921734A (fi) 1992-04-16

Family

ID=10664785

Family Applications (1)

Application Number Title Priority Date Filing Date
FI921734A FI921734A (fi) 1989-10-18 1992-04-16 Optisk mottagare.

Country Status (13)

Country Link
US (1) US5353143A (da)
EP (1) EP0495855B1 (da)
JP (1) JP3205334B2 (da)
AT (1) ATE115796T1 (da)
CA (1) CA2067487C (da)
DE (1) DE69015203T2 (da)
DK (1) DK0495855T3 (da)
ES (1) ES2065551T3 (da)
FI (1) FI921734A (da)
GB (1) GB8923488D0 (da)
HK (1) HK138396A (da)
NO (1) NO303859B1 (da)
WO (1) WO1991006157A1 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9001595D0 (en) * 1990-01-24 1990-03-21 British Telecomm Passive optical network
EP0616444A3 (en) * 1993-03-15 1994-10-19 Koninkl Philips Electronics Nv Telecommunication system with ranging.
US5519830A (en) * 1993-06-10 1996-05-21 Adc Telecommunications, Inc. Point-to-multipoint performance monitoring and failure isolation system
GB2281161B (en) * 1993-08-04 1997-05-28 Fulcrum Communications Limited Optical data communications networks
GB9604020D0 (en) * 1996-02-26 1996-04-24 Wells David Optical network
US7120327B2 (en) * 2002-11-27 2006-10-10 International Business Machines Corporation Backplane assembly with board to board optical interconnections
US7388535B1 (en) * 2006-07-20 2008-06-17 Nortel Networks Limited Digitizing front end for optical receiver

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3171978A (en) * 1961-09-18 1965-03-02 Burroughs Corp Timing networks
DE1172300B (de) * 1962-07-11 1964-06-18 Fernseh Gmbh Verfahren und Schaltungsanordnung zur UEbertragung eines Videosignals
AU547807B2 (en) * 1980-08-27 1985-11-07 Alcatel N.V. Signal receivers
GB2155718B (en) * 1984-03-08 1987-01-28 Standard Telephones Cables Ltd Local area network
US4648133A (en) * 1984-08-07 1987-03-03 The Unites States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Synchronization tracking in pulse position modulation receiver
US4634890A (en) * 1984-09-06 1987-01-06 Thomson Components-Mostek Corporation Clamping circuit finding particular application between a single sided output of a computer memory and a differential amplifier sensing circuit
GB2175176A (en) * 1985-05-10 1986-11-19 Philips Electronic And Assaoci Signal transmission arrangement, a transmitter and a receiver for such an arrangement and a communication system including such an arrangement
GB8727846D0 (en) * 1987-11-27 1987-12-31 British Telecomm Optical communications network

Also Published As

Publication number Publication date
DE69015203T2 (de) 1995-05-04
DE69015203D1 (de) 1995-01-26
DK0495855T3 (da) 1995-05-01
ATE115796T1 (de) 1994-12-15
HK138396A (en) 1996-08-02
NO303859B1 (no) 1998-09-07
ES2065551T3 (es) 1995-02-16
EP0495855A1 (en) 1992-07-29
CA2067487C (en) 1998-02-17
NO921516D0 (no) 1992-04-15
FI921734A (fi) 1992-04-16
WO1991006157A1 (en) 1991-05-02
GB8923488D0 (en) 1989-12-06
JPH05501033A (ja) 1993-02-25
CA2067487A1 (en) 1991-04-19
EP0495855B1 (en) 1994-12-14
JP3205334B2 (ja) 2001-09-04
NO921516L (no) 1992-06-15
US5353143A (en) 1994-10-04

Similar Documents

Publication Publication Date Title
AR004797A1 (es) Metodo para sincronizar los componentes de un sistema de telecomunicaciones
GB8627428D0 (en) Subscriber unit for telephone system
ES2075226T3 (es) Transmision de señales de banda ancha.
DE69301655D1 (de) Generator optischer Signale für Telekommunikationsanlage
GB8926548D0 (en) Passive optical network
DE69015203D1 (de) Optischer empfänger.
DE69224860T2 (de) Zeitsteuerung der SDH-Datenübertragung
DE59405822D1 (de) Schaltungsanordnung zur Übertragung nachrichtentechnischer Signale
EP0125744A3 (en) Closed loop telecommunication system
EP0211675A2 (en) Line terminating apparatus
SE8601287D0 (sv) Kommunikationsanleggning
EP0468631A3 (en) Power system for telephone systems with street cabinets connected to terminals and to an exchange
ES2076103A2 (es) Sistema de comunicaciones digitales con acceso multiple por division en el tiempo mediante fibra optica.
JPS6413843A (en) Supervisory and control system for optical repeater
ATE113779T1 (de) Schaltungsanordnung zur übertragung nachrichtentechnischer signale.
JPS6465997A (en) System for announcing line switching of pbx
HUT43772A (en) Apparatus for testing reliability parameters, preferably for telecommunication network system elements
EP0297326A3 (en) Circuitry for a connection component in a time division multiplex digital telecommunications network
JPH02196536A (ja) クロック供給装置
EP0483935A3 (en) Active star network for an optical transmission system
ATE50675T1 (de) Schaltungsanordnung zur konstantstromspeisung der teilnehmerleitung eines digitalen zeitmultiplex- fernmeldenetzes.
HUT51066A (en) Circuit arrangement for realizing long-distance calls through telephone network
IT8023331A0 (it) Disposizione circuitale atta a sincronizzare l'unita' di temporizzazione di una centrale telefonica di tipo numerico,ad impulsi di riferimento.
FR2656755B1 (fr) Systeme de test telephonique.