(19)
(11)
EP 1 252 741 A2
(12)
(88)
Date of publication A3:
29.08.2002
(43)
Date of publication:
30.10.2002
Bulletin 2002/44
(21)
Application number:
01934887.9
(22)
Date of filing:
18.04.2001
(51)
International Patent Classification (IPC)
7
:
H04L
12/28
,
H04L
12/56
,
H04Q
7/30
(86)
International application number:
PCT/US0112/702
(87)
International publication number:
WO 0108/0501
(
25.10.2001
Gazette 2001/43)
(84)
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
(30)
Priority:
18.04.2000
US 552251
(71)
Applicant:
Widcomm, Inc.
San Diego, CA 92121 (US)
(72)
Inventor:
MCCRACKEN, DeWayne
Ramona, CA 92065 (US)
(74)
Representative:
Calderbank, Thomas Roger et al
MEWBURN ELLISYork House23 Kingsway
London WC2B 6HP
London WC2B 6HP (GB)
(54)
SIGNAL INDICATOR FOR MULTI-TIER WIRELESS COMMUNICATION DEVICES