FR1271598A - - Google Patents
Info
- Publication number
- FR1271598A FR1271598A FR1271598DA FR1271598A FR 1271598 A FR1271598 A FR 1271598A FR 1271598D A FR1271598D A FR 1271598DA FR 1271598 A FR1271598 A FR 1271598A
- Authority
- FR
- France
- 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
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
- H01Q5/45—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR833982 | 1960-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1271598A true FR1271598A (no) | 1962-01-19 |
Family
ID=8736213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1271598D Expired FR1271598A (no) | 1960-07-26 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1271598A (no) |
| GB (1) | GB970274A (no) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2638531A1 (fr) * | 1988-10-28 | 1990-05-04 | Thomson Csf | Systeme d'integration des voies somme et difference i.f.f. dans une antenne de surveillance radar |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1163580B (it) * | 1983-06-23 | 1987-04-08 | Contraves Italiana Spa | Antenna a riflettore a due o piu' fasci sagomati e complementari rispetto ad un diagramma di copertura desiderato |
-
0
- FR FR1271598D patent/FR1271598A/fr not_active Expired
-
1961
- 1961-07-25 GB GB26911/61A patent/GB970274A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2638531A1 (fr) * | 1988-10-28 | 1990-05-04 | Thomson Csf | Systeme d'integration des voies somme et difference i.f.f. dans une antenne de surveillance radar |
| EP0367656A1 (fr) * | 1988-10-28 | 1990-05-09 | Thomson-Csf | Système d'intégration des voies somme et différence I.F.F. dans une antenne de surveillance radar |
| US5036336A (en) * | 1988-10-28 | 1991-07-30 | Thomson-Csf | System for the integration of I.F.F. sum and difference channels in a radar surveillance antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| GB970274A (en) | 1964-09-16 |