Patent · US Expired

Rendering using at least two levels of gray

US7286700B2 · kind B2 · utility

2Cited by
6References
46Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 2003
Grant dateOct 23, 2007
Priority date
Expiry dateAug 22, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/6019
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An indication of any target point internal to a first color space is received. The target point is rendered in a second color space using one of at least two levels of gray colorant and at most two primary colorants out of three primary colorants in the second color space.

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