SE432859B - Forfarande att overfora en extra informationskanal over ett transmissionsmedium - Google Patents
Forfarande att overfora en extra informationskanal over ett transmissionsmediumInfo
- Publication number
- SE432859B SE432859B SE8206011A SE8206011A SE432859B SE 432859 B SE432859 B SE 432859B SE 8206011 A SE8206011 A SE 8206011A SE 8206011 A SE8206011 A SE 8206011A SE 432859 B SE432859 B SE 432859B
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- frequency
- data signal
- bit
- information channel
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 title claims description 8
- 238000001228 spectrum Methods 0.000 claims abstract description 9
- 239000013307 optical fiber Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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)
Priority Applications (7)
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 |
US06/616,210 US4677608A (en) | 1982-10-22 | 1983-10-19 | Method of transferring an additional information channel across a transmission medium |
PCT/SE1983/000354 WO1984001679A1 (en) | 1982-10-22 | 1983-10-19 | A method of transferring an additional information channel across a transmission medium |
IT23393/83A IT1169871B (it) | 1982-10-22 | 1983-10-21 | Metodo per il trasferimento di un canale di informazioni supplementare attraverso un mezzo di trasmissione |
FI842061A FI82163C (sv) | 1982-10-22 | 1984-05-23 | Förfarande att överföra en extra informationskanal över ett transmissi onsmedium |
NO84842471A NO165009C (no) | 1982-10-22 | 1984-06-19 | Fremgangsmaate for aa overfoere en ekstra informasjonskanal over et transmisjonsmedium. |
DK303384A DK162556C (da) | 1982-10-22 | 1984-06-21 | Fremgangsmaade til overfoering af en ekstra informationskanal over et transmissionsmedium |
Applications Claiming Priority (1)
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8206011D0 SE8206011D0 (sv) | 1982-10-22 |
SE432859B true SE432859B (sv) | 1984-04-16 |
Family
ID=20348312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8206011A SE432859B (sv) | 1982-10-22 | 1982-10-22 | Forfarande att overfora en extra informationskanal over ett transmissionsmedium |
Country Status (7)
Country | Link |
---|---|
US (1) | US4677608A (no) |
DK (1) | DK162556C (no) |
FI (1) | FI82163C (no) |
IT (1) | IT1169871B (no) |
NO (1) | NO165009C (no) |
SE (1) | SE432859B (no) |
WO (1) | WO1984001679A1 (no) |
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 |
AU5311398A (en) * | 1996-12-23 | 1998-07-17 | 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 |
CN110168966B (zh) * | 2019-03-29 | 2022-03-15 | 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1257308A (no) * | 1968-04-17 | 1971-12-15 | ||
US3718766A (en) * | 1971-07-30 | 1973-02-27 | Collins Radio Co | Wide band multiplexing system |
JPS50125808A (no) * | 1974-03-23 | 1975-10-03 | ||
JPS5756513B2 (no) * | 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 WO PCT/SE1983/000354 patent/WO1984001679A1/en active IP Right Grant
- 1983-10-19 US US06/616,210 patent/US4677608A/en not_active Expired - Lifetime
- 1983-10-21 IT IT23393/83A patent/IT1169871B/it active
-
1984
- 1984-05-23 FI FI842061A patent/FI82163C/sv 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 |
---|---|
IT1169871B (it) | 1987-06-03 |
FI82163C (sv) | 1991-01-10 |
FI82163B (fi) | 1990-09-28 |
DK162556B (da) | 1991-11-11 |
IT8323393A0 (it) | 1983-10-21 |
FI842061L (fi) | 1984-05-23 |
FI842061A0 (fi) | 1984-05-23 |
SE8206011D0 (sv) | 1982-10-22 |
DK303384A (da) | 1984-06-21 |
NO842471L (no) | 1984-06-19 |
NO165009B (no) | 1990-08-27 |
WO1984001679A1 (en) | 1984-04-26 |
NO165009C (no) | 1990-12-05 |
US4677608A (en) | 1987-06-30 |
DK303384D0 (da) | 1984-06-21 |
DK162556C (da) | 1992-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE432859B (sv) | Forfarande att overfora en extra informationskanal over ett transmissionsmedium | |
US5283679A (en) | Communications process, transmitter and receiver for analog signals | |
JP3657983B2 (ja) | 分散感受性が低い光伝送方法およびこの方法を実施するための伝送装置と伝送システム | |
US4410878A (en) | Digital signal transmission | |
US7546035B2 (en) | Method for conveying management information | |
US6404819B1 (en) | System and method for generating NRZ signals from RZ signals in communications networks | |
EP0111968B1 (en) | Transmission system for the transmission of binary data symbols | |
US9467316B2 (en) | Method and device for transmitting a low-frequency signal over a data transmission link using a digital high bit-rate signal | |
US6469823B2 (en) | Optical wavelength converter and optical wavelength division multiplexing communication system using the same | |
EP1408632A2 (en) | Duobinary optical transmitter | |
CA2314400C (en) | Signal encoding for transmission of multiple digital signals over single physical medium | |
US6486985B1 (en) | Method for transmitting an additional data signal and a useful data signal in an optical network | |
JP2006014328A (ja) | 帯域幅条件が緩和された光変調器、およびその動作方法 | |
CN1327676C (zh) | 采用眼图掩模进行检测的光传输系统 | |
JPS6229325A (ja) | 光送受信装置 | |
CN100502260C (zh) | 突爆模式光接收器、系统及方法 | |
US4982190A (en) | Digital arrangement having for its object to shunt ground separations at video circuits | |
JPS63226135A (ja) | 双方向光通信方式 | |
Van Den Broeke et al. | A low-cost multichannel optical transmission system for video signals | |
JPH0879178A (ja) | 光送信回路 | |
JPS62126730A (ja) | 光デイジタル送受信器 | |
Buff | Twinplex and Twinmode Radiotelegraph Systems | |
KR910008405Y1 (ko) | 광전송장치의 타합장치의 음성데이타 전송에 따른 잡음 제거회로 | |
JPS62181539A (ja) | 送受信装置 | |
KR19990024605A (ko) | 전화 선로상의 고속 데이터 송수신용 아날로그 종단 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAL | Patent in force |
Ref document number: 8206011-2 Format of ref document f/p: F |
|
NUG | Patent has lapsed |
Ref document number: 8206011-2 Format of ref document f/p: F |