Patent · US Expired

Digital projection equipment and techniques

US7224411B2 · kind B2 · utility

41Cited by
82References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 30, 2001
Grant dateMay 29, 2007
Priority date
Expiry dateJul 23, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B27/283
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Apparatus and techniques for enhancing characteristics of electronic projection systems are detailed. Included among the techniques are both superimposition of sub-images and tiling of superimposed images, the combination of which can be advantageous in improving resolution of projected images. Pre-modulators and polarizing beam splitters also may be used as parts of the innovative systems.

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