Patent · US Expired

Image projection system

US6213606A · kind A · utility

26Cited by
8References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 23, 1999
Grant dateApr 10, 2001
Priority date
Expiry dateJul 23, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B21/62
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image projection system for generating an image on a projection screen using a highly compact geometry. The optical system uses polarized light manipulated by at least one of a conicoid, or plane optical elements to effect a folded mirror system to project an image onto the screen.

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