(19)
(11)EP 0 302 930 A1

(12)

(43)Date of publication:
15.02.1989 Bulletin 1989/07

(21)Application number: 88902336.0

(22)Date of filing:  02.03.1988
(51)International Patent Classification (IPC): 
G06T 3/ 40( . )
G06T 5/ 00( . )
(86)International application number:
PCT/US1988/000546
(87)International publication number:
WO 1988/006769 (07.09.1988 Gazette  1988/20)
(84)Designated Contracting States:
DE FR GB

(30)Priority: 02.03.1987 US 19870020267

(71)Applicant: DIGITAL EQUIPMENT CORPORATION
Maynard Massachusetts 01754-1418 (US)

(72)Inventors:
  • GLAZER, Frank
    Wellesley, MA 02181 (US)
  • TRIMPER, John
    Ayer, MA 01432 (US)

(74)Representative: Betten, Jürgen, Dipl.-Ing., et al 
Betten & Resch Patentanwälte Reichenbachstrasse 19
D-80469 München
D-80469 München (DE)

  


(54)FAST BITONAL TO GRAY SCALE IMAGE SCALING