BR8700735A - Transmissao composta de sinais analogicos por canal de fibra otica - Google Patents
Transmissao composta de sinais analogicos por canal de fibra oticaInfo
- Publication number
- BR8700735A BR8700735A BR8700735A BR8700735A BR8700735A BR 8700735 A BR8700735 A BR 8700735A BR 8700735 A BR8700735 A BR 8700735A BR 8700735 A BR8700735 A BR 8700735A BR 8700735 A BR8700735 A BR 8700735A
- Authority
- BR
- Brazil
- Prior art keywords
- optical channel
- fiber optical
- composite transmission
- signs
- analog
- Prior art date
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
- H04B10/07—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
- H04B10/0779—Monitoring line transmitter or line receiver equipment
-
- 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
- H04B10/54—Intensity modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/08—Arrangements for combining channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0298—Wavelength-division multiplex systems with sub-carrier multiplexing [SCM]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/828,293 US4768186A (en) | 1986-02-11 | 1986-02-11 | Multiplex transmission of analog signals by fiber optic channel |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8700735A true BR8700735A (pt) | 1987-12-15 |
Family
ID=25251389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8700735A BR8700735A (pt) | 1986-02-11 | 1987-02-11 | Transmissao composta de sinais analogicos por canal de fibra otica |
Country Status (3)
Country | Link |
---|---|
US (1) | US4768186A (pt) |
BR (1) | BR8700735A (pt) |
CA (1) | CA1260164A (pt) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4893300A (en) * | 1988-08-01 | 1990-01-09 | American Telephone And Telegraph Company | Technique for reducing distortion characteristics in fiber-optic links |
US5042086A (en) * | 1988-11-16 | 1991-08-20 | Dylor Corporation | Method and means for transmitting large dynamic analog signals in optical fiber systems |
US5134509A (en) * | 1988-12-22 | 1992-07-28 | Gte Laboratories Incorporated | Coherent subcarrier multiplexed optical communication system |
US4989200A (en) * | 1988-12-22 | 1991-01-29 | Gte Laboratories Incorporated | Coherent subcarrier multiplexed optical communication system |
US5060310A (en) * | 1989-08-10 | 1991-10-22 | Tektronix, Inc. | Apparatus and method for reduction of intermodulation distortion in an optical fiber network |
US5020049A (en) * | 1989-10-13 | 1991-05-28 | At&T Bell Laboratories | Optical sub-carrier multiplex television transmission system using a linear laser diode |
US5212579A (en) * | 1991-03-11 | 1993-05-18 | General Instrument Corporation | Method and apparatus for communicating amplitude modulated signals over an optical communication path |
US5526152A (en) * | 1993-09-24 | 1996-06-11 | Gte Laboratories Incorporated | Repeater-less multigigabit lightwave buses with optical amplifiers |
JP3003575B2 (ja) * | 1996-06-28 | 2000-01-31 | 日本電気株式会社 | サブキャリア多重信号の光伝送方法と光伝送装置 |
WO1998021846A1 (de) * | 1996-11-08 | 1998-05-22 | Siemens Aktiengesellschaft | Verfahren und anordnung zum multiplexen einer vielzahl digitaler datenströme zu einem digitalen gesamtdatenstrom sowie verfahren und anordnung zum demultiplexen eines digitalen gesamtdatenstroms zu einer vielzahl digitaler datenströme |
US6529303B1 (en) * | 1998-03-05 | 2003-03-04 | Kestrel Solutions, Inc. | Optical communications networks utilizing frequency division multiplexing |
US7154914B1 (en) | 1998-03-05 | 2006-12-26 | Forster Energy Llc | Through-timing of data transmitted across an optical communications system utilizing frequency division multiplexing |
US6181450B1 (en) | 1998-05-12 | 2001-01-30 | Harris Corporation | System and method for free space optical communications |
DE19822616A1 (de) * | 1998-05-20 | 1999-11-25 | Sel Alcatel Ag | Lichtquelle sowie Verfahren für die Übertragung von spektralkodierten Daten |
US6108331A (en) * | 1998-07-10 | 2000-08-22 | Upstate Systems Tec, Inc. | Single medium wiring scheme for multiple signal distribution in building and access port therefor |
US6222658B1 (en) | 1998-08-06 | 2001-04-24 | Harris Corporation | Method and apparatus for a free space optical non-processing satellite transponder |
US6271953B1 (en) | 1998-09-02 | 2001-08-07 | Harris Corporation | Method and system for optical free space communications using non-mechanical beam steering |
JP4178617B2 (ja) * | 1998-10-14 | 2008-11-12 | 松下電器産業株式会社 | 光伝送システム、光送信装置及び光送信方法 |
AU4857900A (en) | 1999-05-24 | 2000-12-12 | Marconi Communications, Inc. | Apparatus and methods for maintaining balanced communication channels with increasing service demands |
JP4028942B2 (ja) * | 1999-06-14 | 2008-01-09 | 松下電器産業株式会社 | 周波数多重信号の光伝送システム |
US20020039211A1 (en) * | 1999-09-24 | 2002-04-04 | Tian Shen | Variable rate high-speed input and output in optical communication networks |
US20020024694A1 (en) * | 2000-05-12 | 2002-02-28 | Newell Laurence J. | Control channel for an optical communications system utilizing frequency division multiplexing |
US7228077B2 (en) * | 2000-05-12 | 2007-06-05 | Forster Energy Llc | Channel gain control for an optical communications system utilizing frequency division multiplexing |
US20020012146A1 (en) * | 2000-06-01 | 2002-01-31 | Newell Laurence J. | Synchronizing nodes in an optical communications system utilizing frequency division multiplexing |
US7096257B2 (en) * | 2000-06-15 | 2006-08-22 | Forster Energy Llc | Automatic assignment of addresses to nodes in a network |
US20020110157A1 (en) * | 2001-02-14 | 2002-08-15 | Kestrel Solutions | Method and apparatus for providing a gigabit ethernet circuit pack |
KR100414456B1 (ko) * | 2001-03-07 | 2004-01-07 | 테라링크 커뮤니케이션스(주) | 광통신망에서 편광모드분산 및 색분산 감시장치 및 방법 |
JP3873128B2 (ja) * | 2001-11-26 | 2007-01-24 | 独立行政法人産業技術総合研究所 | 無電源端末 |
JP3955292B2 (ja) * | 2004-07-30 | 2007-08-08 | 松下電器産業株式会社 | Fm変調器 |
US7761011B2 (en) * | 2005-02-23 | 2010-07-20 | Kg Technology Associates, Inc. | Optical fiber communication link |
US8144878B2 (en) | 2006-03-06 | 2012-03-27 | Mediatek Inc. | FM receiver and pilot detector thereof, and method for determining a type of a processed signal |
US20090247006A1 (en) * | 2008-01-22 | 2009-10-01 | Wi3, Inc., New York | Network access point having interchangeable cartridges |
GB2539414A (en) * | 2015-06-15 | 2016-12-21 | Oclaro Tech Ltd | Calibration of pluggable optical module |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2924703A (en) * | 1957-07-12 | 1960-02-09 | Itt | Communication control system |
US3087065A (en) * | 1958-09-26 | 1963-04-23 | Engelhard Hanovia Inc | Light communication system |
US3566127A (en) * | 1968-04-05 | 1971-02-23 | Theodore Hafner | Long distance transmission of coherent waves |
US4004078A (en) * | 1974-01-24 | 1977-01-18 | Rca Corporation | Optical communication and display system |
US4061577A (en) * | 1976-08-18 | 1977-12-06 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Fiber optic multiplex optical transmission system |
DE2922418C2 (de) * | 1979-06-01 | 1981-12-03 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Dienstintegriertes Nachrichtenübertragungs- und Vermittlungssystem für Ton, Bild und Daten |
US4367548A (en) * | 1980-04-10 | 1983-01-04 | Harris Corporation | Subscriber station for providing multiple services to a subscriber |
DE3128182A1 (de) * | 1981-07-16 | 1983-02-03 | Siemens AG, 1000 Berlin und 8000 München | Programmzufuehrungssystem |
JPS60212047A (ja) * | 1984-04-05 | 1985-10-24 | Sumitomo Electric Ind Ltd | 周波数分割多重通信用変調装置及び復調装置 |
-
1986
- 1986-02-11 US US06/828,293 patent/US4768186A/en not_active Expired - Lifetime
-
1987
- 1987-02-10 CA CA000529356A patent/CA1260164A/en not_active Expired
- 1987-02-11 BR BR8700735A patent/BR8700735A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
CA1260164A (en) | 1989-09-26 |
US4768186A (en) | 1988-08-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
HO | Change of classification |
Free format text: INT. CL. 5 H04J 1/20, H04J 14/00 |
|
ME | Request for revocation |