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EP 0 395 735 A1

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(43) Date of publication: 07.11.1990 Bulletin 1990/45 (21) Application number: 89902186.0 (22) Date of filing: 12.01.1989

(51) International Patent Classification (IPC):  G09G 3/ 36( . ) G09G 5/ 02( . ) G09G 5/ 00( . ) (86) International application number: PCT/US1989/000122 (87) International publication number: WO 1989/006851 (27.07.1989 Gazette 1989/16)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 15.01.1988 US 19880144849 (71) Applicant: CHIPS AND TECHNOLOGIES, INC. San Jose, CA 95134 (US)	(72) Inventors: PLEVA, Robert, M. Livermore, CA 94550 (US) RANDALL, Martin Santa Cruz, CA 95060 (US) (74) Representative: Dipl.-Phys.Dr. Manitz Dipl.-Ing. Finsterwald Dipl.-Ing. Grämkow Dipl.Chem.Dr. Heyn Dipl.Phys. Rotermund Morgan, B.Sc.(Phys.)  Postfach 22 16 11 D-80506 München D-80506 München (DE)