Patent · US Expired

Projector arrangement

US7377649B2 · kind B2 · utility

0Cited by
5References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 24, 2005
Grant dateMay 27, 2008
Priority date
Expiry dateNov 23, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N9/3105
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A projector arrangement is provided wherein a spectral splitting and recombination unit (SSR) includes a first and a second polarization selective or polarizing beam splitting device and a wavelength selective optical element (WSOE) which are sufficient to realize the main and/or the entire functionality of said spectral splitting and recombination unit (SSR).

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