FR2391604A1 - Installation radio pour tunnels - Google Patents
Installation radio pour tunnelsInfo
- Publication number
- FR2391604A1 FR2391604A1 FR7815366A FR7815366A FR2391604A1 FR 2391604 A1 FR2391604 A1 FR 2391604A1 FR 7815366 A FR7815366 A FR 7815366A FR 7815366 A FR7815366 A FR 7815366A FR 2391604 A1 FR2391604 A1 FR 2391604A1
- Authority
- FR
- France
- Prior art keywords
- cables
- tunnel
- repeaters
- transmitting
- receiving units
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 title 1
- 238000012423 maintenance Methods 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/28—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium using the near field of leaky cables, e.g. of leaky coaxial cables
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Near-Field Transmission Systems (AREA)
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH628077A CH615545A5 (en) | 1977-05-20 | 1977-05-20 | Tunnel radio system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2391604A1 true FR2391604A1 (fr) | 1978-12-15 |
FR2391604B1 FR2391604B1 (de) | 1982-09-17 |
Family
ID=4307063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7815366A Granted FR2391604A1 (fr) | 1977-05-20 | 1978-05-18 | Installation radio pour tunnels |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT377400B (de) |
CH (1) | CH615545A5 (de) |
DE (1) | DE2728765C2 (de) |
FR (1) | FR2391604A1 (de) |
IT (1) | IT1095625B (de) |
YU (1) | YU55778A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992010883A1 (en) * | 1990-12-14 | 1992-06-25 | Ainsworth Automation Inc. | Communication system |
EP0913956A1 (de) * | 1997-10-30 | 1999-05-06 | TELEDIFFUSION DE FRANCE, société anonyme | Leckkabelübertragungssystem |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT372661B (de) * | 1980-12-01 | 1983-11-10 | Voest Alpine Ag | Anlage zur induktiven uebertragung von signaltelegrammen zwischen einer ortsfesten sende- und empfangsstation und einzelnen foerdermitteln |
AT376341B (de) * | 1981-11-06 | 1984-11-12 | Siemens Ag Oesterreich | Breitband-tunnelfunkanlage |
DE19950882C2 (de) * | 1999-10-22 | 2001-10-18 | Motorola Inc | Kommunikationssystem für ein Gebiet mit eingeschränkten Empfangsmöglichkeiten |
CN103595458B (zh) * | 2012-08-14 | 2017-12-15 | 西门子公司 | 一种基于电缆的通信设备 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3979674A (en) * | 1974-08-07 | 1976-09-07 | Coal Industry (Patents) Limited | Radiating telecommunication systems |
FR2303428A1 (fr) * | 1975-03-07 | 1976-10-01 | Coal Industry Patents Ltd | Dispositif de telecommunications |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1389554A (en) * | 1972-05-26 | 1975-04-03 | Coal Industry Patents Ltd | Radiating line transmission system |
-
1977
- 1977-05-20 CH CH628077A patent/CH615545A5/de not_active IP Right Cessation
- 1977-06-25 DE DE2728765A patent/DE2728765C2/de not_active Expired
-
1978
- 1978-03-09 YU YU00557/78A patent/YU55778A/xx unknown
- 1978-05-18 FR FR7815366A patent/FR2391604A1/fr active Granted
- 1978-05-18 IT IT23563/78A patent/IT1095625B/it active
- 1978-05-19 AT AT0364378A patent/AT377400B/de not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3979674A (en) * | 1974-08-07 | 1976-09-07 | Coal Industry (Patents) Limited | Radiating telecommunication systems |
FR2303428A1 (fr) * | 1975-03-07 | 1976-10-01 | Coal Industry Patents Ltd | Dispositif de telecommunications |
Non-Patent Citations (1)
Title |
---|
EXBK/77 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992010883A1 (en) * | 1990-12-14 | 1992-06-25 | Ainsworth Automation Inc. | Communication system |
US5432838A (en) * | 1990-12-14 | 1995-07-11 | Ainsworth Technologies Inc. | Communication system |
EP0913956A1 (de) * | 1997-10-30 | 1999-05-06 | TELEDIFFUSION DE FRANCE, société anonyme | Leckkabelübertragungssystem |
FR2770709A1 (fr) * | 1997-10-30 | 1999-05-07 | Telediffusion Fse | Systeme de radiocommunication a cable rayonnant |
Also Published As
Publication number | Publication date |
---|---|
CH615545A5 (en) | 1980-01-31 |
YU55778A (en) | 1982-08-31 |
FR2391604B1 (de) | 1982-09-17 |
DE2728765C2 (de) | 1986-02-13 |
DE2728765A1 (de) | 1978-11-30 |
AT377400B (de) | 1985-03-11 |
IT1095625B (it) | 1985-08-10 |
ATA364378A (de) | 1983-09-15 |
IT7823563A0 (it) | 1978-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |