Patent · US Expired

Color correction

US6285350A · kind A · utility

7Cited by

4References

2Claims

0Family size

Assignee

U.S. Philips Corporation · US

Inventors

Dominicus J. Ijntema · Palo Alto, US
Terence Doyle · Eindhoven, NL
Adrianus L. G. Van Den Eeden · Eindhoven, NL

Key dates

Filing date	Nov 23, 1998
Grant date	Sep 4, 2001
Priority date	—
Expiry date	Nov 23, 2018

Classification

Technology area (CPC H)Electricity
CPC primaryH04N9/73
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

In a display apparatus having a display device (CRT), a variable light transmission panel or coating (P) at a front side of the display device (CRT), amplifiers (A.sub.R, A.sub.G, A.sub.B) for furnishing color signals to control terminals of the display device (CRT), and a control unit (C) for controlling the variable light transmission panel or coating (P) and the amplifiers (A.sub.R, A.sub.G, A.sub.B), the amplifiers (A.sub.R, A.sub.G, A.sub.B) are controlled in such a manner that a color deviation of the variable light transmission panel or coating (P) is compensated for.

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