| (19) |
 |
|
(11) |
EP 0 212 963 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
10.08.1988 Bulletin 1988/32 |
| (43) |
Date of publication A2: |
|
04.03.1987 Bulletin 1987/10 |
| (22) |
Date of filing: 18.08.1986 |
|
|
| (84) |
Designated Contracting States: |
|
CH DE FR GB IT LI NL SE |
| (30) |
Priority: |
20.08.1985 GB 8520815
|
| (71) |
Applicant: STC PLC |
|
() |
|
| (72) |
Inventors: |
|
- Waddoup, William David
()
- Norris, Andrew Peter
()
- Pearson, Alan
()
- McEwen, Colin Dougal
()
|
|
| |
|
| (54) |
Omni-directional antenna |
(57) An azimuthally omni-directional antenna for radio waves comprises a dielectric lens
(3) having an elliptic surface in vertical plane (1) and a reflector arrangement (2)
which cooperate to focus rays (4) onto an array of elements at the surfacial plane
(51. Local oscillator power can be injected and mixed.