(19)

(11)

EP 0 187 146 A1

(12)

(43) Date of publication: 16.07.1986 Bulletin 1986/29 (21) Application number: 85902273.0 (22) Date of filing: 12.04.1985

(51) International Patent Classification (IPC):  G06F 12/ 08( . ) (86) International application number: PCT/US1985/000657 (87) International publication number: WO 1986/000440 (16.01.1986 Gazette 1986/02)

(84) Designated Contracting States: DE FR GB IT NL (30) Priority: 26.06.1984 US 19840625342 (71) Applicant: MOTOROLA, INC. Schaumburg, IL 60196 (US)	(72) Inventors: MOTHERSOLE, David, Scott Austin, TX 78758 (US) HARTVIGSEN, Jay, Alan Tempe, AZ 85281 (US) ZOLNOWSKY, John Menlo Park, CA 94025 (US)