(19)
(11)
EP 0 454 694 A1
(12)
(43)
Date of publication:
06.11.1991
Bulletin 1991/45
(21)
Application number:
90901381.0
(22)
Date of filing:
20.12.1989
(51)
International Patent Classification (IPC):
H01Q
1/
04
( . )
H01Q
1/
44
( . )
H04B
1/
08
( . )
H01Q
1/
27
( . )
H01Q
7/
02
( . )
(86)
International application number:
PCT/US1989/005684
(87)
International publication number:
WO 1990/008404
(
26.07.1990
Gazette 1990/17)
(84)
Designated Contracting States:
AT BE CH DE ES FR GB IT LI LU NL
(30)
Priority:
23.01.1989
US 19890299276
(71)
Applicant:
MOTOROLA, INC.
Schaumburg, IL 60196 (US)
(72)
Inventors:
TAN, William
Lantana, FL 33462 (US)
KURCBART, Robert
Boca Raton, FL 33433 (US)
(74)
Representative:
Lupton, Frederick
Motorola European Intellectual Property, Midpoint, Alencon Link
Basingstoke, Hampshire RG21 1PL
Basingstoke, Hampshire RG21 1PL (GB)
(54)
REACTANCE BUFFERED LOOP ANTENNA AND METHOD FOR MAKING THE SAME