FR1021643A - Aerial improvements for ultra-short waves - Google Patents
Aerial improvements for ultra-short wavesInfo
- Publication number
- FR1021643A FR1021643A FR1021643DA FR1021643A FR 1021643 A FR1021643 A FR 1021643A FR 1021643D A FR1021643D A FR 1021643DA FR 1021643 A FR1021643 A FR 1021643A
- Authority
- FR
- France
- Prior art keywords
- aerial
- ultra
- short waves
- waves
- short
- 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
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
- 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
- H01Q19/17—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 comprising two or more radiating elements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1021643T | 1950-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1021643A true FR1021643A (en) | 1953-02-20 |
Family
ID=9577104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1021643D Expired FR1021643A (en) | 1950-07-07 | 1950-07-07 | Aerial improvements for ultra-short waves |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1021643A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3202997A (en) * | 1961-10-16 | 1965-08-24 | Allan C Schell | Scanning corner array antenna |
US3234559A (en) * | 1960-05-07 | 1966-02-08 | Telefunken Patent | Multiple horn feed for parabolic reflector with phase and power adjustments |
DE1268224B (en) * | 1960-05-07 | 1968-05-16 | Telefunken Patent | Directional antenna |
US3815140A (en) * | 1972-11-06 | 1974-06-04 | Boeing Co | Multiple feed for microwave parabolic antennas |
FR2448232A1 (en) * | 1979-01-30 | 1980-08-29 | Sperry Corp | METHOD AND ANTENNA FOR FORMING A DESIRED DIRECT RADIATION DIAGRAM |
-
1950
- 1950-07-07 FR FR1021643D patent/FR1021643A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3234559A (en) * | 1960-05-07 | 1966-02-08 | Telefunken Patent | Multiple horn feed for parabolic reflector with phase and power adjustments |
DE1268224B (en) * | 1960-05-07 | 1968-05-16 | Telefunken Patent | Directional antenna |
US3202997A (en) * | 1961-10-16 | 1965-08-24 | Allan C Schell | Scanning corner array antenna |
US3815140A (en) * | 1972-11-06 | 1974-06-04 | Boeing Co | Multiple feed for microwave parabolic antennas |
FR2448232A1 (en) * | 1979-01-30 | 1980-08-29 | Sperry Corp | METHOD AND ANTENNA FOR FORMING A DESIRED DIRECT RADIATION DIAGRAM |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1056624A (en) | Couplings for electromagnetic waves | |
CH322497A (en) | Ultra-shortwave radio receiver | |
FR1013567A (en) | Instrument for painting | |
FR1081196A (en) | Aerial for short electromagnetic waves | |
FR1048662A (en) | Microwave Amplifiers Improvements | |
FR1014722A (en) | Longitudinally reyoning aerials for ultra-short waves | |
FR1021643A (en) | Aerial improvements for ultra-short waves | |
CH332677A (en) | Directional aerial for short waves | |
FR1114807A (en) | Ultra-shortwave antenna | |
FR1032697A (en) | Microwave Amplifiers Improvements | |
FR1047398A (en) | Bra fittings improvements | |
FR1014859A (en) | Horizontal beams for ultra-short waves | |
FR1149097A (en) | Aerial improvements for micrometric waves | |
CH273560A (en) | Guide for ultra-short waves. | |
FR1030428A (en) | Antenna improvements | |
FR1008954A (en) | Air cone improvements for ultrashort waves | |
LU30915A1 (en) | Feeler for elastic waves | |
FR1061569A (en) | Antenna improvements | |
FR1061149A (en) | Aircraft antenna | |
FR1006104A (en) | Dispersive aerial for ultra-short waves | |
FR1046646A (en) | Extremely flat aerial for ultra-short waves | |
FR1064575A (en) | Telescopic aerial for vehicles | |
FR1052353A (en) | Aerial improvements for devices of the so-called radar type | |
FR1050730A (en) | Rotary aerial for radar devices | |
FR1054863A (en) | Ultra-shortwave receiving antenna |