FR637971A - Réflecteur pour ondes hertziennes courtes - Google Patents
Réflecteur pour ondes hertziennes courtesInfo
- Publication number
- FR637971A FR637971A FR637971DA FR637971A FR 637971 A FR637971 A FR 637971A FR 637971D A FR637971D A FR 637971DA FR 637971 A FR637971 A FR 637971A
- Authority
- FR
- France
- Prior art keywords
- reflector
- hertzian waves
- short
- short hertzian
- waves
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR637971T | 1926-11-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR637971A true FR637971A (fr) | 1928-05-12 |
Family
ID=8995698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR637971D Expired FR637971A (fr) | 1926-11-27 | 1926-11-27 | Réflecteur pour ondes hertziennes courtes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR637971A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2636113A (en) * | 1946-03-09 | 1953-04-21 | Standard Telephones Cables Ltd | Fixed route vehicular location and communicating system |
-
1926
- 1926-11-27 FR FR637971D patent/FR637971A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2636113A (en) * | 1946-03-09 | 1953-04-21 | Standard Telephones Cables Ltd | Fixed route vehicular location and communicating system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR637971A (fr) | Réflecteur pour ondes hertziennes courtes | |
FR616577A (fr) | Raccord pour tuyauteries | |
FR626962A (fr) | Berceau pour aspirateur | |
FR620899A (fr) | Raccord pour tuyauteries | |
FR619909A (fr) | Glacière transportable | |
FR612443A (fr) | Pistons | |
FR625586A (fr) | Cannette | |
FR613293A (fr) | Fusée pour projectiles | |
FR612300A (fr) | Réflecteurs | |
FR619665A (fr) | Mano-propulseur pour embarcations légères | |
FR623492A (fr) | Raccord étanche pour canalisations | |
FR632263A (fr) | Pistons | |
FR31694E (fr) | Coupleur gyrostatique | |
FR627602A (fr) | Cosse pour câbles | |
FR607947A (fr) | Monture pour cabron | |
FR31978E (fr) | Radio goniomètre pour ondes courtes | |
FR610276A (fr) | Bague pour pigeon | |
FR626961A (fr) | Direction pour aéroplanes | |
FR615755A (fr) | Cinémo-dérivomètre pour aéronefs | |
FR624245A (fr) | Bidon verseur | |
FR604599A (fr) | Raccord pour chaînes | |
FR631867A (fr) | émetteur d'ondes électriques | |
FR610671A (fr) | Silencieux pour automobiles | |
FR620819A (fr) | Bloc-moteur | |
FR617795A (fr) | Nouveau dispositif de vannage pour batteuse |