(19)
(11) EP 0 504 151 A1

(12)

(43) Date of publication:
23.09.1992 Bulletin 1992/39

(21) Application number: 90915899.0

(22) Date of filing: 15.10.1990
(51) International Patent Classification (IPC): 
H04B 7/ 185( . )
H04W 84/ 02( . )
H04B 7/ 204( . )
(86) International application number:
PCT/US1990/005853
(87) International publication number:
WO 1991/007024 (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: 06.11.1989 US 19890432268

(71) Applicant: MOTOROLA, INC.
Schaumburg, IL 60196 (US)

(72) Inventor:
  • DAVIS, Walter, Lee
    Coral Springs, FL 33071 (US)

(74) Representative: Dunlop, Hugh Christopher, et al 
Motorola, European Intellectual Property, Midpoint, Alencon Link
Basingstoke, Hampshire RG21 7PL
Basingstoke, Hampshire RG21 7PL (GB)

   


(54) SATELLITE SIGNALLING SYSTEM HAVING A SIGNAL BEAM WITH A VARIABLE BEAM AREA