JPS57129506A - Antenna - Google Patents
AntennaInfo
- Publication number
- JPS57129506A JPS57129506A JP56207939A JP20793981A JPS57129506A JP S57129506 A JPS57129506 A JP S57129506A JP 56207939 A JP56207939 A JP 56207939A JP 20793981 A JP20793981 A JP 20793981A JP S57129506 A JPS57129506 A JP S57129506A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- 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.)
- Pending
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
- H01Q19/28—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 a secondary device in the form of two or more substantially straight conductive elements
- H01Q19/30—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 a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
-
- 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
- H01Q19/12—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 wherein the surfaces are concave
-
- 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
- H01Q19/12—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 wherein the surfaces are concave
- H01Q19/15—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 wherein the surfaces are concave the primary radiating source being a line source, e.g. leaky waveguide antennas
-
- 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
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
Landscapes
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPE703280 | 1980-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57129506A true JPS57129506A (en) | 1982-08-11 |
Family
ID=3768893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56207939A Pending JPS57129506A (en) | 1980-12-22 | 1981-12-22 | Antenna |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0055591A1 (en) |
JP (1) | JPS57129506A (en) |
GB (1) | GB2120855B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69326221T2 (en) * | 1992-12-09 | 2000-05-11 | Matsushita Electric Ind Co Ltd | Antenna for a mobile communication system |
US6678669B2 (en) | 1996-02-09 | 2004-01-13 | Adeza Biomedical Corporation | Method for selecting medical and biochemical diagnostic tests using neural network-related applications |
US6891512B2 (en) | 2000-12-27 | 2005-05-10 | Cocomo Mb Cojmmunications, Inc. | Antenna |
US6956534B2 (en) | 2000-12-27 | 2005-10-18 | Cocomo Mb Communications, Inc. | Method and apparatus for improving antenna efficiency |
EP1492197A1 (en) * | 2003-06-03 | 2004-12-29 | Gloryquest Holdings Limited | Broadband antenna for the emission of electromagnetic waves |
EP1890250A1 (en) * | 2006-08-18 | 2008-02-20 | TBN Identifikation und Netzwerke GmbH | Transponder gate and associated gate antenna |
ITTO20080473A1 (en) * | 2008-06-17 | 2009-12-18 | Fracarro Radioindustrie Spa | ANTENNA |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR971483A (en) * | 1940-06-15 | 1951-01-17 | Csf | Improvements to radio wave radiators |
US2556046A (en) * | 1946-03-28 | 1951-06-05 | Philco Corp | Directional antenna system |
GB857140A (en) * | 1958-04-09 | 1960-12-29 | Csf | Improvements in or relating to directional aerial systems |
NL297435A (en) * | 1962-09-04 | |||
US3369245A (en) * | 1964-12-10 | 1968-02-13 | Technical Appliance Corp | Wing type dipole with end mounted stubs |
GB1133343A (en) * | 1965-09-17 | 1968-11-13 | Nat Res Dev | Improvements in or relating to aerial systems |
DE6608871U (en) * | 1966-09-29 | 1971-12-02 | Liebich Max | DIPOLANTENNA, ESPECIALLY FOR VHF AND UHF AREAS. |
DE1941713C3 (en) * | 1969-08-16 | 1980-12-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Adapted exciter for reflector antennas |
US3683391A (en) * | 1970-10-19 | 1972-08-08 | Rca Corp | Antenna system for television reception within both the uhf and vhf television band of frequencies |
DE2642282C3 (en) * | 1976-09-21 | 1981-03-26 | Ant Nachrichtentechnik Gmbh, 71522 Backnang | Antenna exciter arrangement for a mirror antenna |
IT1091499B (en) * | 1977-11-25 | 1985-07-06 | Cselt Centro Studi Lab Telecom | ELLIPTICAL PARABOLIC REFLECTOR FOR ANTENNA WITH MAIN LOBE OF THE SECTION IRRADIATION DIAGRAM |
-
1981
- 1981-12-22 JP JP56207939A patent/JPS57129506A/en active Pending
- 1981-12-22 EP EP81306048A patent/EP0055591A1/en not_active Withdrawn
-
1982
- 1982-05-11 GB GB08213634A patent/GB2120855B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2120855A (en) | 1983-12-07 |
GB2120855B (en) | 1986-01-08 |
EP0055591A1 (en) | 1982-07-07 |
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