DK162556C - Fremgangsmaade til overfoering af en ekstra informationskanal over et transmissionsmedium - Google Patents
Fremgangsmaade til overfoering af en ekstra informationskanal over et transmissionsmediumInfo
- Publication number
- DK162556C DK162556C DK303384A DK303384A DK162556C DK 162556 C DK162556 C DK 162556C DK 303384 A DK303384 A DK 303384A DK 303384 A DK303384 A DK 303384A DK 162556 C DK162556 C DK 162556C
- Authority
- DK
- Denmark
- Prior art keywords
- transfering
- procedure
- transmission medium
- information channel
- channel over
- Prior art date
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)
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 |
---|---|
DK303384A DK303384A (da) | 1984-06-21 |
DK303384D0 DK303384D0 (da) | 1984-06-21 |
DK162556B DK162556B (da) | 1991-11-11 |
DK162556C true DK162556C (da) | 1992-05-11 |
Family
ID=20348312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK303384A DK162556C (da) | 1982-10-22 | 1984-06-21 | Fremgangsmaade til overfoering af en ekstra informationskanal over et 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)
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 |
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 |
US6847614B2 (en) * | 1998-04-20 | 2005-01-25 | Broadcom Corporation | Apparatus and method for unilateral topology discovery in network management |
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 |
EP3105870B1 (en) | 2014-02-13 | 2019-01-16 | 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 |
US11474556B2 (en) * | 2019-03-29 | 2022-10-18 | Beijing Boe Technology Development Co., Ltd. | Optical communication drive circuit and method, optical communication transmitter and system, and vehicle |
Family Cites Families (8)
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" |
-
1982
- 1982-10-22 SE SE8206011A patent/SE432859B/sv not_active IP Right Cessation
-
1983
- 1983-10-19 US US06/616,210 patent/US4677608A/en not_active Expired - Lifetime
- 1983-10-19 WO PCT/SE1983/000354 patent/WO1984001679A1/en active IP Right Grant
- 1983-10-21 IT IT23393/83A patent/IT1169871B/it active
-
1984
- 1984-05-23 FI FI842061A patent/FI82163C/fi not_active IP Right Cessation
- 1984-06-19 NO NO84842471A patent/NO165009C/no not_active IP Right Cessation
- 1984-06-21 DK DK303384A patent/DK162556C/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE432859B (sv) | 1984-04-16 |
FI82163B (fi) | 1990-09-28 |
DK303384A (da) | 1984-06-21 |
IT1169871B (it) | 1987-06-03 |
IT8323393A0 (it) | 1983-10-21 |
WO1984001679A1 (en) | 1984-04-26 |
NO842471L (no) | 1984-06-19 |
DK162556B (da) | 1991-11-11 |
DK303384D0 (da) | 1984-06-21 |
FI842061A0 (fi) | 1984-05-23 |
NO165009C (no) | 1990-12-05 |
SE8206011D0 (sv) | 1982-10-22 |
NO165009B (no) | 1990-08-27 |
FI842061A (fi) | 1984-05-23 |
FI82163C (fi) | 1991-01-10 |
US4677608A (en) | 1987-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |