(19)
(11)
EP 0 450 062 A1
(12)
(43)
Date of publication:
09.10.1991
Bulletin 1991/41
(21)
Application number:
91900593.0
(22)
Date of filing:
31.10.1990
(51)
International Patent Classification (IPC):
H04B
7/
26
( . )
H04M
11/
06
( . )
H04L
29/
08
( . )
H04L
29/
06
( . )
H04Q
7/
22
( . )
H04Q
7/
32
( . )
(86)
International application number:
PCT/US1990/006320
(87)
International publication number:
WO 1991/007044
(
16.05.1991
Gazette 1991/11)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
(30)
Priority:
31.10.1989
US 19890429356
(71)
Applicant:
INTELLIGENCE TECHNOLOGY CORPORATION
Dallas, TX 75248 (US)
(72)
Inventor:
MORRIS, Walker, C.
Dallas, TX 75229 (US)
(74)
Representative:
UEXKÜLL & STOLBERG
Patentanwälte Beselerstrasse 4
D-22607 Hamburg
D-22607 Hamburg (DE)
(54)
DATA AND VOICE TRANSMISSION OVER A CELLULAR TELEPHONE SYSTEM