(19)
(11) EP 0 616 704 A1

(12)

(43) Date of publication:
28.09.1994 Bulletin 1994/39

(21) Application number: 92923063.0

(22) Date of filing: 22.10.1992
(51) International Patent Classification (IPC): 
G03G 15/ 00( . )
G03G 15/ 08( . )
G03G 15/ 01( . )
(86) International application number:
PCT/US1992/009027
(87) International publication number:
WO 1993/012472 (24.06.1993 Gazette 1993/15)
(84) Designated Contracting States:
DE FR GB IT NL

(30) Priority: 13.12.1991 US 19910807076
13.12.1991 US 19910808016

(71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY
St. Paul, Minnesota 55133-3427 (US)

(72) Inventors:
  • NORDEEN, Charles, K.
    Saint Paul, MN 55133-3427 (US)
  • ZWADLO, Gregory, K.
    Saint Paul, MN 55133-3427 (US)
  • KIDNIE, Kevin, M.
    Saint Paul, MN 55133-3427 (US)
  • BRESINA, Larry, J.
    Saint Paul, MN 55133-3427 (US)

(74) Representative: Hilleringmann, Jochen, Dipl.-Ing., et al 
Patentanwälte von Kreisler-Selting-Werner, Bahnhofsvorplatz 1 (Deichmannhaus)
D-50667 Köln
D-50667 Köln (DE)

   


(54) DENSITY PROCESS CONTROL FOR AN ELECTROPHOTOGRAPHIC PROOFING SYSTEM