ES178872A1 - Mejoras en antenas dirigidas - Google Patents
Mejoras en antenas dirigidasInfo
- Publication number
- ES178872A1 ES178872A1 ES178872A ES178872A ES178872A1 ES 178872 A1 ES178872 A1 ES 178872A1 ES 178872 A ES178872 A ES 178872A ES 178872 A ES178872 A ES 178872A ES 178872 A1 ES178872 A1 ES 178872A1
- Authority
- ES
- Spain
- Prior art keywords
- antennas
- addressed
- addressed antennas
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US663378A US2541037A (en) | 1946-04-19 | 1946-04-19 | Antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES178872A1 true ES178872A1 (es) | 1947-09-16 |
Family
ID=24661543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES178872A Expired ES178872A1 (es) | 1946-04-19 | 1947-07-11 | Mejoras en antenas dirigidas |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2541037A (es) |
| ES (1) | ES178872A1 (es) |
| FR (1) | FR1014498A (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2785396A (en) * | 1946-01-09 | 1957-03-12 | Philip S Carter | Large circumference loop antennas |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1960006A (en) * | 1930-12-30 | 1934-05-22 | Telefunken Gmbh | Antenna system |
| US2175363A (en) * | 1938-01-07 | 1939-10-10 | Rca Corp | Method of and means for coupling two high frequency circuits |
| US2238770A (en) * | 1938-03-07 | 1941-04-15 | Emi Ltd | High frequency electrical conductor or radiator |
| US2359620A (en) * | 1942-06-13 | 1944-10-03 | Rca Corp | Short wave antenna |
| US2414266A (en) * | 1942-06-27 | 1947-01-14 | Rca Corp | Antenna |
-
1946
- 1946-04-19 US US663378A patent/US2541037A/en not_active Expired - Lifetime
-
1947
- 1947-04-18 FR FR1014498D patent/FR1014498A/fr not_active Expired
- 1947-07-11 ES ES178872A patent/ES178872A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1014498A (fr) | 1952-08-18 |
| US2541037A (en) | 1951-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES179628A1 (es) | Mejoras en antenas | |
| ES178872A1 (es) | Mejoras en antenas dirigidas | |
| FR931658A (fr) | Hydroglisseur | |
| AT174006B (de) | Firngleiter | |
| FR55094E (fr) | Hydroglisseur | |
| ES179629A1 (es) | Mejoras en antenas | |
| ES172469A3 (es) | Mejoras en redes de antenas | |
| FI21755A (fi) | Skidmössa | |
| FI24432A (fi) | Gödselmassa | |
| FR941958A (fr) | Antigel | |
| ES175108A2 (es) | Mejoras | |
| FR924152A (fr) | Antennes apériodiques | |
| FR1001308A (fr) | Aiguise-lame | |
| FR949663A (fr) | Antennes radio-électriques | |
| AT177570B (de) | Episkop | |
| ES13448Y (es) | Alpargata-bota | |
| ES13495Y (es) | Alpargata | |
| ES13627Y (es) | Caja-envase | |
| FI21400A (fi) | Bokföringsmaskin | |
| FI21557A (fi) | Kardmaskin | |
| FI21380A (fi) | Bärvågssystem | |
| FI21397A (fi) | Skorstensstöd | |
| FI21398A (fi) | Varmvattenberedare | |
| FI21369A (fi) | Lågangreppsbomb | |
| FI21409A (fi) | Blekningsmetod |