(19)
(11)
EP 0 273 923 A1
(12)
(43)
Date of publication:
13.07.1988
Bulletin 1988/28
(21)
Application number:
87902969.0
(22)
Date of filing:
30.03.1987
(51)
International Patent Classification (IPC):
H04B
7/
15
( . )
H01P
5/
16
( . )
H01Q
5/
00
( . )
H01Q
21/
22
( . )
H01P
1/
16
( . )
H01P
5/
18
( . )
H01Q
13/
02
( . )
(86)
International application number:
PCT/US1987/000677
(87)
International publication number:
WO 1987/007439
(
03.12.1987
Gazette 1987/27)
(84)
Designated Contracting States:
DE FR GB IT
(30)
Priority:
19.05.1986
US 19860864684
(71)
Applicant:
Hughes Aircraft Company
Los Angeles California 90045-0066 (US)
(72)
Inventors:
CHANG, Donald, C., D.
Torrance, CA 90503 (US)
LINHARDT, Wilbur, J.
Hawthorne, CA 90250 (US)
(74)
Representative:
Witte, Alexander, Dr.-Ing.
Witte, Weller, Gahlert & Otten Patentanwälte Rotebühlstrasse 121
D-70178 Stuttgart
D-70178 Stuttgart (DE)
(54)
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