Patent · US Expired

Transparency processing in a page description language

US6289364A · kind A · utility

31Cited by
8References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 1997
Grant dateSep 11, 2001
Priority date
Expiry dateDec 22, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06T11/60
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A raster image processor receives a file of instructions and images in any convenient page description language and blends the images in accordance with the specified blending mode and, possibly, opacity information.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.