Patent · US Expired

Projection engine

US6672722B2 · kind B2 · utility

35Cited by
10References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 2001
Grant dateJan 6, 2004
Priority date
Expiry dateAug 30, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N13/363
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A projection engine having a first kernel for modulating light of a first polarization, and a second kernel for modulating light of a second polarization, and a polarization combiner for merging light from the kernels into a dual polarization modulated output beam.

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