(19)

(11)

EP 0 258 277 A1

(12)

(43) Date of publication: 09.03.1988 Bulletin 1988/10 (21) Application number: 87900606.0 (22) Date of filing: 22.12.1986

(51) International Patent Classification (IPC):  H01Q 1/ 24( . ) H04B 1/ 38( . ) H04B 1/ 50( . ) H01Q 5/ 00( . ) H04B 1/ 40( . ) (86) International application number: PCT/US1986/002813 (87) International publication number: WO 1987/004307 (16.07.1987 Gazette 1987/15)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 03.01.1986 US 19860816011 03.01.1986 US 19860816025 (71) Applicant: MOTOROLA, INC. Schaumburg, IL 60196 (US)	(72) Inventors: PHILLIPS, James, Patrick Lake in the Hills, IL 60102 (US) GUNTHER, Robert, Arthur Elmwood Park, IL 60635 (US)