(19)

(11)

EP 0 775 412 A1

(12)

(43) Date of publication: 28.05.1997 Bulletin 1997/22 (21) Application number: 94916512.0 (22) Date of filing: 29.03.1994

(51) International Patent Classification (IPC):  H04L 29/ 10( . ) H04M 11/ 00( . ) H04W 88/ 02( . ) H04B 7/ 185( . ) H04M 11/ 06( . ) (86) International application number: PCT/US1994/003409 (87) International publication number: WO 1995/026603 (05.10.1995 Gazette 1995/42)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: Morris, Walker C. Dallas, TX 75248 (US)	(72) Inventor: Morris, Walker C. Dallas, TX 75248 (US) (74) Representative: UEXKÜLL & STOLBERG  Patentanwälte Beselerstrasse 4 22607 Hamburg 22607 Hamburg (DE)