JPS5746241B2 - - Google Patents
Info
- Publication number
- JPS5746241B2 JPS5746241B2 JP49004602A JP460274A JPS5746241B2 JP S5746241 B2 JPS5746241 B2 JP S5746241B2 JP 49004602 A JP49004602 A JP 49004602A JP 460274 A JP460274 A JP 460274A JP S5746241 B2 JPS5746241 B2 JP S5746241B2
- Authority
- JP
- Japan
- 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/40—Radiating elements coated with or embedded in protective material
- H01Q1/405—Radome integrated radiating elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00318137A US3820117A (en) | 1972-12-26 | 1972-12-26 | Frequency extension of circularly polarized antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4998558A JPS4998558A (fr) | 1974-09-18 |
| JPS5746241B2 true JPS5746241B2 (fr) | 1982-10-02 |
Family
ID=23236818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49004602A Expired JPS5746241B2 (fr) | 1972-12-26 | 1973-12-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3820117A (fr) |
| JP (1) | JPS5746241B2 (fr) |
| DE (1) | DE2362913C3 (fr) |
| FR (1) | FR2211767B1 (fr) |
| GB (1) | GB1388230A (fr) |
| IL (1) | IL43841A (fr) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4042935A (en) * | 1974-08-01 | 1977-08-16 | Hughes Aircraft Company | Wideband multiplexing antenna feed employing cavity backed wing dipoles |
| US4309706A (en) * | 1974-11-14 | 1982-01-05 | The United States Of America As Represented By The Secretary Of The Navy | Wideband direction-finding system |
| US4032921A (en) * | 1975-09-08 | 1977-06-28 | American Electronic Laboratories, Inc. | Broad-band spiral-slot antenna |
| US4012744A (en) * | 1975-10-20 | 1977-03-15 | Itek Corporation | Helix-loaded spiral antenna |
| US4015264A (en) * | 1975-11-20 | 1977-03-29 | Textron, Inc. | Dual mode broadband antenna |
| JPS58974Y2 (ja) * | 1976-11-19 | 1983-01-08 | 防衛庁技術研究本部長 | 空中線装置 |
| US4114164A (en) * | 1976-12-17 | 1978-09-12 | Transco Products, Inc. | Broadband spiral antenna |
| CA1104712A (fr) * | 1978-09-08 | 1981-07-07 | Robert Milne | Antenne a diagramme de rayonnement large |
| US4348677A (en) * | 1979-06-25 | 1982-09-07 | General Dynamics, Pomona Division | Common aperture dual mode seeker antenna |
| US4697192A (en) * | 1985-04-16 | 1987-09-29 | Texas Instruments Incorporated | Two arm planar/conical/helix antenna |
| EP0280644A3 (fr) * | 1987-02-26 | 1989-03-01 | Schumacher, Hanns-Joachim, Dr. med. dent. | Dispositif de détection et/ou d'influence des ondes électromagnétiques, méthode de fabrication du dispositif et antenne pour la réalisation de la méthode et pour la construction du dispositif |
| FR2751470B1 (fr) * | 1989-08-03 | 1999-02-19 | Dassault Electronique | Dispositif d'antennes spirales perfectionne |
| FR2665324B1 (fr) * | 1990-07-27 | 1996-08-14 | Thomson Csf | Procede de fabrication de circuit imprime et circuit obtenu par ce procede. |
| AU1346592A (en) * | 1991-01-24 | 1992-08-27 | Rdi Electronics, Inc. | Broadband antenna |
| US6104353A (en) * | 1998-06-30 | 2000-08-15 | Rdi Electronics, Inc. | Local television antenna system for use with direct broadcast satellite television systems |
| SE516235C2 (sv) | 1999-06-18 | 2001-12-03 | Ericsson Telefon Ab L M | Avstämbar spiralantenn |
| RU2163739C1 (ru) * | 2000-07-20 | 2001-02-27 | Криштопов Александр Владимирович | Антенна |
| WO2003105273A2 (fr) * | 2002-06-10 | 2003-12-18 | Hrl Laboratories, Llc | Antenne discrete a double polarisation et double motif |
| US7199763B2 (en) * | 2004-05-03 | 2007-04-03 | Lockheed Martin Corporation | Ground proximity antenna system |
| DE102013214189A1 (de) * | 2013-07-19 | 2015-01-22 | Plath Gmbh | Anordnung und ein Verfahren zum Einbau einer Peilantenne in ein Radom, vorzugsweise zum nachträglichen Einbau in ein Radom |
| US10992046B2 (en) * | 2019-06-12 | 2021-04-27 | Bae Systems Information And Electronic Systems Integration Inc. | Low profile high gain dual polarization UHF/VHF antenna |
-
1972
- 1972-12-26 US US00318137A patent/US3820117A/en not_active Expired - Lifetime
-
1973
- 1973-12-17 IL IL43841A patent/IL43841A/en unknown
- 1973-12-18 DE DE2362913A patent/DE2362913C3/de not_active Expired
- 1973-12-19 GB GB5873773A patent/GB1388230A/en not_active Expired
- 1973-12-21 FR FR7345897A patent/FR2211767B1/fr not_active Expired
- 1973-12-25 JP JP49004602A patent/JPS5746241B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IL43841A0 (en) | 1974-03-14 |
| FR2211767B1 (fr) | 1979-05-04 |
| US3820117A (en) | 1974-06-25 |
| JPS4998558A (fr) | 1974-09-18 |
| GB1388230A (en) | 1975-03-26 |
| IL43841A (en) | 1976-05-31 |
| DE2362913A1 (de) | 1974-06-27 |
| FR2211767A1 (fr) | 1974-07-19 |
| DE2362913B2 (de) | 1978-12-21 |
| DE2362913C3 (de) | 1979-08-16 |