BE691480A - - Google Patents
Info
- Publication number
- BE691480A BE691480A BE691480DA BE691480A BE 691480 A BE691480 A BE 691480A BE 691480D A BE691480D A BE 691480DA BE 691480 A BE691480 A BE 691480A
- 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
- H01Q19/02—Details
- H01Q19/021—Means for reducing undesirable effects
- H01Q19/025—Means for reducing undesirable effects for optimizing the matching of the primary feed, e.g. vertex plates
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR43304A FR1469077A (fr) | 1965-12-22 | 1965-12-22 | Perfectionnements aux antennes pour ondes radioélectriques et notamment aux antennes cassegrain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE691480A true BE691480A (xx) | 1967-06-20 |
Family
ID=8596434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE691480D BE691480A (xx) | 1965-12-22 | 1966-12-20 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE691480A (xx) |
| DE (1) | DE1541478A1 (xx) |
| FR (1) | FR1469077A (xx) |
| GB (1) | GB1160280A (xx) |
| NL (1) | NL6617906A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2937251A1 (de) * | 1979-09-14 | 1981-03-19 | Siemens AG, 1000 Berlin und 8000 München | Richtfunkantenne nach dem cassegrain-prinzip |
| DE2937305A1 (de) * | 1979-09-14 | 1981-03-19 | Siemens AG, 1000 Berlin und 8000 München | Richtfunkantenne nach dem cassegrain-prinzip |
| FR2540297B1 (fr) * | 1983-01-28 | 1986-01-17 | Thomson Csf | Antenne micro-onde a deux reflecteurs |
| US6522305B2 (en) * | 2000-02-25 | 2003-02-18 | Andrew Corporation | Microwave antennas |
-
1965
- 1965-12-22 FR FR43304A patent/FR1469077A/fr not_active Expired
-
1966
- 1966-12-20 BE BE691480D patent/BE691480A/xx unknown
- 1966-12-20 NL NL6617906A patent/NL6617906A/xx unknown
- 1966-12-21 DE DE19661541478 patent/DE1541478A1/de active Pending
- 1966-12-22 GB GB5754066A patent/GB1160280A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6617906A (xx) | 1967-06-23 |
| GB1160280A (en) | 1969-08-06 |
| FR1469077A (fr) | 1967-02-10 |
| DE1541478A1 (de) | 1969-08-28 |