FI842061A0 - Foerfarande att oeverfoera en extra informationskanal oever ett transmissionsmedium. - Google Patents

Foerfarande att oeverfoera en extra informationskanal oever ett transmissionsmedium.

Info

Publication number
FI842061A0
FI842061A0 FI842061A FI842061A FI842061A0 FI 842061 A0 FI842061 A0 FI 842061A0 FI 842061 A FI842061 A FI 842061A FI 842061 A FI842061 A FI 842061A FI 842061 A0 FI842061 A0 FI 842061A0
Authority
FI
Finland
Prior art keywords
pct
service channel
date
transmissionsmedium
oeverfoera
Prior art date
Application number
FI842061A
Other languages
English (en)
Other versions
FI842061A (fi
FI82163C (fi
FI82163B (fi
Inventor
Gunnar Stefan Forsberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of FI842061A publication Critical patent/FI842061A/fi
Publication of FI842061A0 publication Critical patent/FI842061A0/fi
Application granted granted Critical
Publication of FI82163B publication Critical patent/FI82163B/fi
Publication of FI82163C publication Critical patent/FI82163C/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • 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
    • H04B10/502—LED 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
    • H04B10/503—Laser 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
    • H04B10/516—Details of coding or modulation
    • H04B10/5161—Combination of different modulation schemes
    • 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
    • H04B10/516—Details of coding or modulation
    • H04B10/524—Pulse modulation
    • 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
    • H04B10/516—Details of coding or modulation
    • H04B10/548—Phase or frequency modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J9/00—Multiplex systems in which each channel is represented by a different type of modulation of the carrier
    • 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
    • H04B2210/074—Monitoring an optical transmission system using a supervisory signal using a superposed, over-modulated signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Dc Digital Transmission (AREA)
  • Optical Communication System (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
FI842061A 1982-10-22 1984-05-23 Foerfarande att oeverfoera en extra informationskanal oever ett transmissionsmedium. FI82163C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8206011A SE432859B (sv) 1982-10-22 1982-10-22 Forfarande att overfora en extra informationskanal over ett transmissionsmedium
SE8206011 1982-10-22
SE8300354 1983-10-19
PCT/SE1983/000354 WO1984001679A1 (en) 1982-10-22 1983-10-19 A method of transferring an additional information channel across a transmission medium

Publications (4)

Publication Number Publication Date
FI842061A FI842061A (fi) 1984-05-23
FI842061A0 true FI842061A0 (fi) 1984-05-23
FI82163B FI82163B (fi) 1990-09-28
FI82163C FI82163C (fi) 1991-01-10

Family

ID=20348312

Family Applications (1)

Application Number Title Priority Date Filing Date
FI842061A FI82163C (fi) 1982-10-22 1984-05-23 Foerfarande att oeverfoera en extra informationskanal oever ett transmissionsmedium.

Country Status (7)

Country Link
US (1) US4677608A (fi)
DK (1) DK162556C (fi)
FI (1) FI82163C (fi)
IT (1) IT1169871B (fi)
NO (1) NO165009C (fi)
SE (1) SE432859B (fi)
WO (1) WO1984001679A1 (fi)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3530546A1 (de) * 1985-08-27 1987-03-19 Ant Nachrichtentech Uebertragungsverfahren fuer schnellen und langsamen datenstrom
US5142396A (en) * 1987-03-23 1992-08-25 Johnson Service Company Diffused infrared communication control system
US4908819A (en) * 1987-06-08 1990-03-13 Seiscor Technologies, Inc. Integrated data voice multiplexer supporting handshake and loop-back protocols
DE3830120A1 (de) * 1988-09-05 1990-03-15 Standard Elektrik Lorenz Ag Digitales nachrichtenuebertragungssystem mit uebertragung einer zusatz-information
GB2235076B (en) * 1989-08-17 1994-05-04 Asahi Optical Co Ltd Camera data communication method and camera
US5126998A (en) * 1990-05-16 1992-06-30 U.V. Satellite Resources, Inc. Method and apparatus for transmitting and receiving a carrier signal which is simultaneously frequency and phase modulated
KR920014231A (ko) * 1990-12-31 1992-07-30 이헌조 무선헤드폰 송 수신회로
FR2700649B1 (fr) * 1993-01-20 1995-04-07 Dassault Electronique Procédé et dispositifs de transmission d'informations, notamment par satellite.
GB2302484B (en) * 1995-06-17 1999-08-04 Northern Telecom Ltd Optical tdm transmission system
JPH0951324A (ja) * 1995-08-09 1997-02-18 Nec Corp 波長多重光伝送システム
WO1998028847A1 (en) * 1996-12-23 1998-07-02 Dsc Communications A/S A method and a circuit for the transfer of data information
US6847614B2 (en) * 1998-04-20 2005-01-25 Broadcom Corporation Apparatus and method for unilateral topology discovery in network management
US6295272B1 (en) 1998-04-20 2001-09-25 Gadzoox Networks, Inc. Subchannel modulation scheme for carrying management and control data outside the regular data channel
US7483639B2 (en) * 2001-05-10 2009-01-27 Fujitsu Limited Method and system for transmitting information in an optical communication system using distributed amplification
US6876656B2 (en) * 2001-06-15 2005-04-05 Broadcom Corporation Switch assisted frame aliasing for storage virtualization
US20060140644A1 (en) * 2004-12-23 2006-06-29 Paolella Arthur C High performance, high efficiency fiber optic link for analog and RF systems
US7706685B2 (en) * 2005-09-20 2010-04-27 Lockheed Martin Corporation Data communication network using optical power averaged multiplexing
US8183982B2 (en) 2007-08-14 2012-05-22 Infineon Technologies Ag System including reply signal that at least partially overlaps request
WO2015122836A1 (en) * 2014-02-13 2015-08-20 Transmode Systems Ab Data transmission method
JP2017153148A (ja) * 2017-05-09 2017-08-31 日本電信電話株式会社 光送信装置、光多重送信装置、および、信号重畳方法
WO2020198917A1 (zh) * 2019-03-29 2020-10-08 京东方科技集团股份有限公司 光通信驱动电路及方法、光通信发送端、系统、交通工具

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1257308A (fi) * 1968-04-17 1971-12-15
US3718766A (en) * 1971-07-30 1973-02-27 Collins Radio Co Wide band multiplexing system
JPS50125808A (fi) * 1974-03-23 1975-10-03
JPS5756513B2 (fi) * 1974-05-15 1982-11-30
JPS5460509A (en) * 1977-10-22 1979-05-16 Fuji Electric Co Ltd Digtal transmission device for analog quantity
JPS5624840A (en) * 1979-08-07 1981-03-10 Iwatsu Electric Co Ltd Digital/analog data simultaneous transmitting system
JPS5718145A (en) * 1980-07-09 1982-01-29 Toshiba Corp Signal separation system
DE3106269A1 (de) * 1981-02-20 1982-10-21 Aeg-Telefunken Ag, 1000 Berlin Und 6000 Frankfurt "verfahren zur integration eines dienstleitungsweges in lichtleituebertragungsstrecken"

Also Published As

Publication number Publication date
NO842471L (no) 1984-06-19
FI842061A (fi) 1984-05-23
NO165009B (no) 1990-08-27
SE8206011D0 (sv) 1982-10-22
IT8323393A0 (it) 1983-10-21
DK162556C (da) 1992-05-11
SE432859B (sv) 1984-04-16
WO1984001679A1 (en) 1984-04-26
US4677608A (en) 1987-06-30
FI82163C (fi) 1991-01-10
NO165009C (no) 1990-12-05
DK303384D0 (da) 1984-06-21
IT1169871B (it) 1987-06-03
DK303384A (da) 1984-06-21
FI82163B (fi) 1990-09-28
DK162556B (da) 1991-11-11

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: OY L M ERICSSON AB