Patent · US Expired

Digital projector

US6505940B1 · kind B1 · utility

16Cited by
17References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 2000
Grant dateJan 14, 2003
Priority date
Expiry dateOct 31, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B21/006
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A digital projector for providing digital images for display to a user, the digital projector comprises a housing having its vertical dimension substantially greater than its horizontal dimension; a light source enclosed within the housing for providing light; a digital imager through which the light of the light source is projected for providing digital images for display to the user; a single mirror for reflecting the digital image from the digital imager; and a lens for receiving the digital image from the digital imager for display external to the digital projector; and a plurality of wheels attached to the base for providing efficient movement of the digital projector.

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