| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA562302T |
| Publication Number | Publication Date |
|---|---|
| CA562302Atrue CA562302A (en) | 1958-08-26 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA562302AExpiredCA562302A (en) | Helically fed direction or aerial system |
| Country | Link |
|---|---|
| CA (1) | CA562302A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3184747A (en)* | 1961-10-06 | 1965-05-18 | Patelhold Patentverwertung | Coaxial fed helical antenna with director disk between feed and helix producing endfire radiation towards the disk |
| US5444455A (en)* | 1992-12-22 | 1995-08-22 | Thomson Consumer Electronics, S.A. | Helical antenna feed element with switches to select end fire and backfire modes and circular polarization direction |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3184747A (en)* | 1961-10-06 | 1965-05-18 | Patelhold Patentverwertung | Coaxial fed helical antenna with director disk between feed and helix producing endfire radiation towards the disk |
| US5444455A (en)* | 1992-12-22 | 1995-08-22 | Thomson Consumer Electronics, S.A. | Helical antenna feed element with switches to select end fire and backfire modes and circular polarization direction |
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|---|---|---|
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