(19)
(11)
EP 0 289 553 A1
(12)
(43)
Date of publication:
09.11.1988
Bulletin 1988/45
(21)
Application number:
87907265.0
(22)
Date of filing:
01.10.1987
(51)
International Patent Classification (IPC):
H01Q
21/
06
( . )
G01S
13/
44
( . )
G01S
7/
02
( . )
H01Q
25/
02
( . )
(86)
International application number:
PCT/US1987/002488
(87)
International publication number:
WO 1988/004109
(
02.06.1988
Gazette 1988/12)
(84)
Designated Contracting States:
CH DE FR GB IT LI NL SE
(30)
Priority:
17.11.1986
US 19860931571
(60)
Divisional application:
92116842.3 / 0544081
(71)
Applicant:
Hughes Aircraft Company
Los Angeles California 90045-0066 (US)
(72)
Inventor:
BARTLEY, Steven, W.
Thousand Oaks, CA 91360 (US)
(74)
Representative:
Witte, Alexander, Dr.-Ing.
Witte, Weller, Gahlert & Otten Patentanwälte Rotebühlstrasse 121
D-70178 Stuttgart
D-70178 Stuttgart (DE)
(54)
MONOPULSE ANTENNA WITH IMPROVED SIDELOBE SUPPRESSION