NO743122L - - Google Patents
Info
- Publication number
- NO743122L NO743122L NO743122A NO743122A NO743122L NO 743122 L NO743122 L NO 743122L NO 743122 A NO743122 A NO 743122A NO 743122 A NO743122 A NO 743122A NO 743122 L NO743122 L NO 743122L
- Authority
- NO
- Norway
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/06—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
- H01Q9/27—Spiral antennas
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7331522A FR2242784B1 (sv) | 1973-08-31 | 1973-08-31 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO743122L true NO743122L (sv) | 1975-03-24 |
| NO138072B NO138072B (no) | 1978-03-13 |
| NO138072C NO138072C (no) | 1978-06-21 |
Family
ID=9124494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO743122A NO138072C (no) | 1973-08-31 | 1974-08-30 | Bredbaandsspiralantenne. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3945016A (sv) |
| DE (1) | DE2441638C3 (sv) |
| FR (1) | FR2242784B1 (sv) |
| GB (1) | GB1465659A (sv) |
| IT (1) | IT1019159B (sv) |
| NO (1) | NO138072C (sv) |
| SE (1) | SE403218B (sv) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4085406A (en) * | 1976-10-22 | 1978-04-18 | International Business Machines Corporation | Spiral antenna absorber system |
| DE3134081A1 (de) * | 1981-08-28 | 1983-03-10 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Spiralantenne |
| FR2558307B1 (fr) * | 1984-01-13 | 1988-01-22 | Thomson Csf | Dispositif d'excitation d'un guide d'onde en mode circulaire et aerien comportant un tel dispositif |
| DE3527651A1 (de) * | 1985-08-01 | 1987-02-12 | Deutsche Forsch Luft Raumfahrt | Zusatzeinrichtung fuer eine antenne in form eines einzelstrahlers |
| FR2598036B1 (fr) * | 1986-04-23 | 1988-08-12 | France Etat | Antenne plaque a doubles polarisations croisees |
| FR2729791B1 (fr) * | 1988-06-14 | 1997-05-16 | Thomson Csf | Dispositif pour diminuer l'effet de radome avec une antenne large bande a rayonnement de surface, et diminuer la surface equivalente refelchissante de l'ensemble |
| JPH02189008A (ja) * | 1989-01-18 | 1990-07-25 | Hisamatsu Nakano | 円偏波アンテナ装置 |
| DE3908893A1 (de) * | 1989-03-17 | 1990-09-20 | Siemens Ag | Ringstrahler in gedruckter schaltungstechnik |
| JP2863727B2 (ja) * | 1996-03-08 | 1999-03-03 | 日本アンテナ株式会社 | 単線スパイラルアンテナ |
| RU2747754C1 (ru) * | 2020-08-10 | 2021-05-13 | Акционерное общество "Центральное конструкторское бюро автоматики" | Спиральная антенна |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2919442A (en) * | 1955-12-09 | 1959-12-29 | American Electronics | Antenna |
| US3745585A (en) * | 1972-03-29 | 1973-07-10 | Gte Sylvania Inc | Broadband plane antenna with log-periodic reflectors |
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1973
- 1973-08-31 FR FR7331522A patent/FR2242784B1/fr not_active Expired
-
1974
- 1974-08-28 US US05/501,201 patent/US3945016A/en not_active Expired - Lifetime
- 1974-08-28 GB GB3767674A patent/GB1465659A/en not_active Expired
- 1974-08-30 IT IT52804/74A patent/IT1019159B/it active
- 1974-08-30 DE DE2441638A patent/DE2441638C3/de not_active Expired
- 1974-08-30 SE SE7411047A patent/SE403218B/sv not_active IP Right Cessation
- 1974-08-30 NO NO743122A patent/NO138072C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT1019159B (it) | 1977-11-10 |
| US3945016A (en) | 1976-03-16 |
| SE7411047L (sv) | 1975-03-03 |
| NO138072C (no) | 1978-06-21 |
| DE2441638C3 (de) | 1979-08-02 |
| DE2441638A1 (de) | 1975-03-13 |
| FR2242784B1 (sv) | 1977-05-13 |
| GB1465659A (en) | 1977-02-23 |
| SE403218B (sv) | 1978-07-31 |
| FR2242784A1 (sv) | 1975-03-28 |
| DE2441638B2 (de) | 1978-11-30 |
| NO138072B (no) | 1978-03-13 |