Patent · US Expired

Offner relay for projection system

US7545446B2 · kind B2 · utility

11Cited by
5References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 27, 2005
Grant dateJun 9, 2009
Priority date
Expiry dateApr 9, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G3/346
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A projection system includes a modulator and an Offner relay. The modulator is to modulate light in accordance with sub-frames of a frame of image data. The Offner relay is to differently aim, in accordance with each sub-frame, the light as modulated.

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