FR2319215B1 - - Google Patents
Info
- Publication number
- FR2319215B1 FR2319215B1 FR7621658A FR7621658A FR2319215B1 FR 2319215 B1 FR2319215 B1 FR 2319215B1 FR 7621658 A FR7621658 A FR 7621658A FR 7621658 A FR7621658 A FR 7621658A FR 2319215 B1 FR2319215 B1 FR 2319215B1
- 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
- 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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/597,367 US4031538A (en) | 1975-07-21 | 1975-07-21 | Antenna with echo cancelling elements |
| US05/597,366 US4034378A (en) | 1975-07-21 | 1975-07-21 | Antenna with echo cancelling elements |
| US05/597,368 US3990080A (en) | 1975-07-21 | 1975-07-21 | Antenna with echo cancelling elements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2319215A1 FR2319215A1 (fr) | 1977-02-18 |
| FR2319215B1 true FR2319215B1 (fi) | 1980-12-05 |
Family
ID=27416730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7621658A Granted FR2319215A1 (fr) | 1975-07-21 | 1976-07-15 | Antenne avec un element d'annulation d'echos |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5850441B2 (fi) |
| DE (1) | DE2632030A1 (fi) |
| FR (1) | FR2319215A1 (fi) |
| GB (1) | GB1525639A (fi) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3525553A1 (de) * | 1985-07-17 | 1987-01-22 | Siemens Ag | Richtantenne |
| JPS61184308U (fi) * | 1986-05-01 | 1986-11-17 | ||
| JPH01164241U (fi) * | 1988-05-10 | 1989-11-16 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3133284A (en) * | 1959-03-02 | 1964-05-12 | Rca Corp | Paraboloidal antenna with compensating elements to reduce back radiation into feed |
| GB973583A (en) * | 1962-04-11 | 1964-10-28 | Post Office | Improvements in or relating to microwave aerials |
| US3148370A (en) * | 1962-05-08 | 1964-09-08 | Ite Circuit Breaker Ltd | Frequency selective mesh with controllable mesh tuning |
-
1976
- 1976-07-15 GB GB2945276A patent/GB1525639A/en not_active Expired
- 1976-07-15 FR FR7621658A patent/FR2319215A1/fr active Granted
- 1976-07-16 DE DE19762632030 patent/DE2632030A1/de active Granted
- 1976-07-20 JP JP8570176A patent/JPS5850441B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5212544A (en) | 1977-01-31 |
| DE2632030C2 (fi) | 1987-12-03 |
| DE2632030A1 (de) | 1977-02-17 |
| FR2319215A1 (fr) | 1977-02-18 |
| GB1525639A (en) | 1978-09-20 |
| JPS5850441B2 (ja) | 1983-11-10 |