Patent · US Active

Methods, apparatus, and devices for noise reduction

US7639849B2 · kind B2 · utility

29Cited by
11References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 23, 2005
Grant dateDec 29, 2009
Priority date
Expiry dateDec 8, 2027

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2360/145
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Embodiments include applying a compensation to an image signal based on nonuniformity of a display device. The compensation is based on information about variations in light-output response among elements of the display device. The compensation is also modified based on a characteristic of a desired use of the display.

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