BE512707A - - Google Patents
Info
- Publication number
- BE512707A BE512707A BE512707DA BE512707A BE 512707 A BE512707 A BE 512707A BE 512707D A BE512707D A BE 512707DA BE 512707 A BE512707 A BE 512707A
- Authority
- BE
- Belgium
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
- H01Q19/13—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 single radiating element, e.g. a dipole, a slot, a waveguide termination
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB310995X | 1951-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE512707A true BE512707A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
Family
ID=10317965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE512707D BE512707A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1951-07-09 |
Country Status (4)
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH183565A (de) * | 1934-10-15 | 1936-04-15 | Emil Dr Huber | Abschirmungsvorrichtung für Hochfrequenz führende Leiter. |
| FR802728A (fr) * | 1935-02-19 | 1936-09-14 | Meaf Mach En Apparaten Fab Nv | Dispositif et procédé pour l'amélioration de dispositifs de production et de réception d'ondes électriques ultra-courtes |
| US2429601A (en) * | 1943-11-22 | 1947-10-28 | Bell Telephone Labor Inc | Microwave radar directive antenna |
| US2607010A (en) * | 1945-04-23 | 1952-08-12 | Bell Telephone Labor Inc | Wave guide antenna system |
| US2671855A (en) * | 1945-09-19 | 1954-03-09 | Lester C Van Atta | Antenna |
| GB603676A (en) * | 1945-10-27 | 1948-06-21 | Eric Wild | Improvements in ultra-high-frequency aerial systems or arrays |
-
0
- BE BE512707D patent/BE512707A/xx unknown
-
1952
- 1952-07-03 US US297088A patent/US2785398A/en not_active Expired - Lifetime
- 1952-07-05 DE DEI6092A patent/DE972294C/de not_active Expired
- 1952-07-08 CH CH310995D patent/CH310995A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH310995A (fr) | 1955-11-15 |
| US2785398A (en) | 1957-03-12 |
| DE972294C (de) | 1959-07-02 |