DE2948953C2 - Antenne zur Funkversorgung von Tunneln - Google Patents
Antenne zur Funkversorgung von TunnelnInfo
- Publication number
- DE2948953C2 DE2948953C2 DE19792948953 DE2948953A DE2948953C2 DE 2948953 C2 DE2948953 C2 DE 2948953C2 DE 19792948953 DE19792948953 DE 19792948953 DE 2948953 A DE2948953 A DE 2948953A DE 2948953 C2 DE2948953 C2 DE 2948953C2
- Authority
- DE
- Germany
- Prior art keywords
- tunnels
- antenna
- rings
- radio coverage
- ring segments
- 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
- 230000005855 radiation Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000005065 mining Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 239000004020 conductor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
Landscapes
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT570379A AT379470B (de) | 1979-08-24 | 1979-08-24 | Antenne zur funkversorgung von tunelln |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2948953A1 DE2948953A1 (de) | 1981-03-26 |
DE2948953C2 true DE2948953C2 (de) | 1982-10-21 |
Family
ID=3578723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792948953 Expired DE2948953C2 (de) | 1979-08-24 | 1979-12-05 | Antenne zur Funkversorgung von Tunneln |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT379470B (enrdf_load_stackoverflow) |
CH (1) | CH655410B (enrdf_load_stackoverflow) |
DE (1) | DE2948953C2 (enrdf_load_stackoverflow) |
NL (1) | NL8004777A (enrdf_load_stackoverflow) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR959929A (enrdf_load_stackoverflow) * | 1946-07-31 | 1950-04-07 | ||
GB1471885A (en) * | 1973-05-23 | 1977-04-27 | Communications Patents Ltd | Leaky cable communication systems |
AT353325B (de) * | 1977-07-27 | 1979-11-12 | Siemens Ag Oesterreich | Anordnung zur uebertragung von funksignalen |
-
1979
- 1979-08-24 AT AT570379A patent/AT379470B/de not_active IP Right Cessation
- 1979-12-05 DE DE19792948953 patent/DE2948953C2/de not_active Expired
-
1980
- 1980-08-05 CH CH591680A patent/CH655410B/de not_active IP Right Cessation
- 1980-08-22 NL NL8004777A patent/NL8004777A/nl not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AT379470B (de) | 1986-01-10 |
NL8004777A (nl) | 1981-02-26 |
CH655410B (enrdf_load_stackoverflow) | 1986-04-15 |
ATA570379A (de) | 1985-05-15 |
DE2948953A1 (de) | 1981-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8162 | Independent application | ||
D2 | Grant after examination | ||
8339 | Ceased/non-payment of the annual fee |