(19)

(11)

EP 0 060 844 A1

(12)

(43) Date of publication: 29.09.1982 Bulletin 1982/39 (21) Application number: 81902191.0 (22) Date of filing: 29.07.1981

(51) International Patent Classification (IPC):  H03J 3/ 12( . ) (86) International application number: PCT/US1981/001020 (87) International publication number: WO 1982/001291 (15.04.1982 Gazette 1982/10)

(84) Designated Contracting States: CH FR GB LI NL (30) Priority: 29.09.1980 US 19800191971 (71) Applicant: MOTOROLA, INC. Schaumburg, IL 60196 (US)	(72) Inventor: ECKLUND, Lawrence Marvin Wheaton, IL 80187 (US)