CA1183218A - Optical data transmission system - Google Patents
Optical data transmission systemInfo
- Publication number
- CA1183218A CA1183218A CA000363751A CA363751A CA1183218A CA 1183218 A CA1183218 A CA 1183218A CA 000363751 A CA000363751 A CA 000363751A CA 363751 A CA363751 A CA 363751A CA 1183218 A CA1183218 A CA 1183218A
- Authority
- CA
- Canada
- Prior art keywords
- data
- optical
- transmitter
- receiver
- signals
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
-
- 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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP2944501.0 | 1979-11-03 | ||
DE19792944501 DE2944501A1 (de) | 1979-11-03 | 1979-11-03 | Datenuebertragungssystem |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1183218A true CA1183218A (en) | 1985-02-26 |
Family
ID=6085118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000363751A Expired CA1183218A (en) | 1979-11-03 | 1980-10-31 | Optical data transmission system |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5698046A (sv) |
CA (1) | CA1183218A (sv) |
DE (1) | DE2944501A1 (sv) |
FR (1) | FR2469056B1 (sv) |
GB (1) | GB2063467B (sv) |
SE (1) | SE456295B (sv) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1806251A1 (de) * | 1968-10-09 | 1970-07-02 | Telefunken Patent | Verfahren zur UEbertragung voneinander getrennter Informationen |
DE2248211C3 (de) * | 1972-10-02 | 1980-01-03 | Allgemeine Elektricitaets-Gesellschaft Aeg-Telefunken, 1000 Berlin Und 6000 Frankfurt | Faserleitungs-Nachrichtenübertragungssystem |
FR2467512A1 (fr) * | 1979-10-15 | 1981-04-17 | Crouzet Sa | Systeme de transmission multiacces integral simultane sur lignes de transmission par fibres optiques |
-
1979
- 1979-11-03 DE DE19792944501 patent/DE2944501A1/de active Granted
-
1980
- 1980-10-30 GB GB8034923A patent/GB2063467B/en not_active Expired
- 1980-10-31 JP JP15241980A patent/JPS5698046A/ja active Pending
- 1980-10-31 FR FR8023372A patent/FR2469056B1/fr not_active Expired
- 1980-10-31 CA CA000363751A patent/CA1183218A/en not_active Expired
- 1980-11-03 SE SE8007702A patent/SE456295B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE456295B (sv) | 1988-09-19 |
FR2469056B1 (fr) | 1986-05-23 |
SE8007702L (sv) | 1981-05-04 |
DE2944501C2 (sv) | 1989-03-09 |
FR2469056A1 (fr) | 1981-05-08 |
GB2063467A (en) | 1981-06-03 |
GB2063467B (en) | 1983-10-19 |
DE2944501A1 (de) | 1981-05-07 |
JPS5698046A (en) | 1981-08-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5798855A (en) | Optical monitoring channel for wavelength division multiplexed optical communication system | |
EP0234804B1 (en) | Guided wave communication system | |
CA2034915C (en) | Optical fiber telecommunication line with separate, optically transmitted service channels | |
US5321707A (en) | Remote pumping for active optical devices | |
US5410624A (en) | Filter for a wavelength division multiplex system | |
GB2077909A (en) | Optical repeater system for optical communication | |
US5422754A (en) | Optical transmission line relayed with multistage optical amplifiers | |
CA2421542A1 (en) | System and method for optical transmission | |
Nykolak et al. | 4/spl times/2.5 Gb/s 4.4 km WDM free-space optical link at 1550 nm | |
US6025948A (en) | Optical signal transmission installation including a repeater monitoring system | |
US20020063928A1 (en) | Filtering of data-encoded optical signals | |
EP0845882A3 (en) | A passive optical network transceiver circuit | |
CN100525146C (zh) | 使用远程泵激的光纤通信系统 | |
ATE19719T1 (de) | Traegerfrequenzsystem fuer vierdrahtbetrieb. | |
CA1183218A (en) | Optical data transmission system | |
US20020181051A1 (en) | Optical transmitter/receiver | |
GB2267792A (en) | Fault location in optical communications system | |
US6377377B1 (en) | Apparatus and method for reducing phase modulated gain fluctuations in optical communications systems and networks | |
JPH01130638A (ja) | 周波数多重光双方向伝送装置 | |
AU623467B2 (en) | Optical transmission system | |
US7127178B2 (en) | Optical communication device | |
JPS63179633A (ja) | 光通信方式 | |
HU191949B (en) | Method and equipment for the transmission of information by means of open-air propagation with electromagnetic waves of directed beam of rays, of wave length below 10 mm | |
DE3566762D1 (en) | Antenna system for use in tunnels for broadband signal transmission | |
Petrovic | Multilevel Signaling over Step-Index Fibers |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry | ||
MKEX | Expiry |
Effective date: 20020226 |