EP0352160B1 - Antenne omnidirectionnelle, notamment pour l'émission de signaux de radiodiffusion ou de télévision dans la bande des ondes décimétriques, et système rayonnant formé d'un groupement de ces antennes - Google Patents
Antenne omnidirectionnelle, notamment pour l'émission de signaux de radiodiffusion ou de télévision dans la bande des ondes décimétriques, et système rayonnant formé d'un groupement de ces antennes Download PDFInfo
- Publication number
- EP0352160B1 EP0352160B1 EP89401887A EP89401887A EP0352160B1 EP 0352160 B1 EP0352160 B1 EP 0352160B1 EP 89401887 A EP89401887 A EP 89401887A EP 89401887 A EP89401887 A EP 89401887A EP 0352160 B1 EP0352160 B1 EP 0352160B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- antenna
- radiating
- central
- line
- dipoles
- 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 - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 4
- 230000005855 radiation Effects 0.000 title description 9
- 238000009826 distribution Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 238000003491 array Methods 0.000 claims abstract 7
- 239000004020 conductor Substances 0.000 claims description 18
- 238000004904 shortening Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 26
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 241000287107 Passer Species 0.000 description 2
- 240000003380 Passiflora rubra Species 0.000 description 2
- 210000000007 bat wing Anatomy 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
Definitions
- This antenna is particularly applicable to the transmission of radio or television signals in the UHF band (so-called UHF band), where it will be seen that it provides particularly advantageous advantages.
- the antenna disclosed in this patent comprises pairs of dipoles mounted along a central support and supplied, in groups of two, from conductors coupled to the central support using distributors regularly disposed on this support.
- This antenna does not make it possible to satisfy the abovementioned conflicting conditions (wide support for maintenance and mechanical rigidity, but narrow to obtain a regular radiation pattern, or the drawbacks linked to the complexity of the power supply).
- this support tube are arranged at 120 ° from each other three identical radiating networks 200, each comprising a vertical two-wire line with two parallel conductors 210,210 'supporting a plurality of horizontal dipoles 220,220' (four in the example shown) regularly distributed along this two-wire line.
- the supply and distribution of radioelectric energy are entirely internal to the structure of the antenna, which eliminates any possibility of disturbance of the diagram due to the physical presence of supply lines in the field of radiation, as in the case of antennas of the prior art.
- the coaxial link 330,340 supplying each of the radiating networks consists ( Figure 6) of a conductor 332, held inside a tube 341 by spacers 333, and one of the ends 331 of which is connected to the common line central 320.
- the distance between two consecutive superimposed dipoles is one shortened half-wave, calculated for the central operating frequency of the antenna with a shortening coefficient of about 0.85.
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
- Transmitters (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8809940 | 1988-07-22 | ||
| FR8809940A FR2634598B1 (fr) | 1988-07-22 | 1988-07-22 | Antenne omnidirectionnelle, notamment pour l'emission de signaux de radiodiffusion ou de television dans la bande des ondes decimetriques, et systeme rayonnant forme d'un groupement de ces antennes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0352160A1 EP0352160A1 (fr) | 1990-01-24 |
| EP0352160B1 true EP0352160B1 (fr) | 1994-06-15 |
Family
ID=9368690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP89401887A Expired - Lifetime EP0352160B1 (fr) | 1988-07-22 | 1989-06-30 | Antenne omnidirectionnelle, notamment pour l'émission de signaux de radiodiffusion ou de télévision dans la bande des ondes décimétriques, et système rayonnant formé d'un groupement de ces antennes |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0352160B1 (ja) |
| JP (1) | JPH0269004A (ja) |
| AT (1) | ATE107436T1 (ja) |
| CA (1) | CA1324657C (ja) |
| DE (1) | DE68916121T2 (ja) |
| ES (1) | ES2054055T3 (ja) |
| FR (1) | FR2634598B1 (ja) |
| HK (1) | HK83896A (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2721757B1 (fr) * | 1994-06-28 | 1996-09-13 | Jac International | Antenne omnidirectionnelle en azimut et directive en site et répondeur maritime ainsi équipé. |
| US5861858A (en) * | 1997-06-30 | 1999-01-19 | Harris Corporation | Antenna feed and support system |
| DE10316786A1 (de) | 2003-04-11 | 2004-11-18 | Kathrein-Werke Kg | Reflektor, insbesondere für eine Mobilfunk-Antenne |
| DE10316787A1 (de) | 2003-04-11 | 2004-11-11 | Kathrein-Werke Kg | Reflektor, insbesondere für eine Mobilfunk-Antenne |
| DE20319983U1 (de) * | 2003-12-23 | 2004-08-19 | Kathrein-Werke Kg | Blitzschutz für Antennenanlagen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE421257A (ja) * | 1936-04-28 | |||
| DE1183976B (de) * | 1961-10-24 | 1964-12-23 | Telefunken Patent | Antennenanordnung, bestehend aus uebereinandergesetzten Rundstrahlgruppen |
| DE2026984C3 (de) * | 1970-05-27 | 1980-10-02 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Antenne mit mehreren Strahlern an einem im wesentlichen senkrecht ausgerichteten Trageteil |
| FR2518321A1 (fr) * | 1981-12-15 | 1983-06-17 | Thomson Csf | Ensemble rayonnant a deux antennes superposees travaillant dans une meme gamme de frequences |
-
1988
- 1988-07-22 FR FR8809940A patent/FR2634598B1/fr not_active Expired - Lifetime
-
1989
- 1989-06-30 ES ES89401887T patent/ES2054055T3/es not_active Expired - Lifetime
- 1989-06-30 DE DE68916121T patent/DE68916121T2/de not_active Expired - Fee Related
- 1989-06-30 EP EP89401887A patent/EP0352160B1/fr not_active Expired - Lifetime
- 1989-06-30 AT AT89401887T patent/ATE107436T1/de not_active IP Right Cessation
- 1989-07-21 JP JP1190416A patent/JPH0269004A/ja active Pending
- 1989-07-21 CA CA000606382A patent/CA1324657C/fr not_active Expired - Fee Related
-
1996
- 1996-05-09 HK HK83896A patent/HK83896A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2634598A1 (fr) | 1990-01-26 |
| ES2054055T3 (es) | 1994-08-01 |
| HK83896A (en) | 1996-05-17 |
| JPH0269004A (ja) | 1990-03-08 |
| CA1324657C (fr) | 1993-11-23 |
| ATE107436T1 (de) | 1994-07-15 |
| EP0352160A1 (fr) | 1990-01-24 |
| DE68916121D1 (de) | 1994-07-21 |
| DE68916121T2 (de) | 1994-09-29 |
| FR2634598B1 (fr) | 1990-10-05 |
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