Patent · US Active

Architecture for a projector

US7448761B2 · kind B2 · utility

0Cited by

2References

9Claims

0Family size

Assignee

Barco, Naamloze Vennootschap · BE

Inventors

Stefan Lesschaeve · Oudenaarde, BE
Krist Vandorpe · Beveren, BE
Nico Coulier · Dentergem, BE
Peter Gerets · Roeselare, BE

Key dates

Filing date	Nov 4, 2005
Grant date	Nov 11, 2008
Priority date	—
Expiry date	Dec 24, 2026

Classification

Technology area (CPC G)Physics
CPC primaryG03B21/28
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An improved architecture for a projector comprising a light source in the form of a lamp with a curved reflector with a distinctive focal distance for converging the light beam of the lamp; a so called cold mirror; an integration rod; a relay optics system consisting of a plurality of lenses followed by a light valve, wherein the architecture allows for the use of light sources with different focal distances.

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