Patent · US Expired

Method and apparatus for processing video pictures, especially for improving grey scale fidelity portrayal

US6989804B2 · kind B2 · utility

1Cited by

3References

13Claims

0Family size

Assignee

Thomson Licensing · FR

Inventors

Carlos Correa · Villingen-Schwenningen, DE
Cedric Thebault · Villingen-Schwenningen, DE
Sebastien Weitbruch · Kirchberg, DE
Rainer Zwing · Villingen-Schwenningen, DE

Key dates

Filing date	Mar 11, 2003
Grant date	Jan 24, 2006
Priority date	—
Expiry date	Oct 27, 2023

Classification

Technology area (CPC G)Physics
CPC primaryG09G2360/16
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

The present invention relates to a method for improving grey scale fidelity portrayal of pictures displayed on matrix display screens. The method comprises the following steps: The method is used in plasma display panels (PDP).

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