Patent · US Expired

Cabinet-surface-mounted projection lens and methods

US7470030B2 · kind B2 · utility

7Cited by
16References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 28, 2005
Grant dateDec 30, 2008
Priority date
Expiry dateJan 28, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N9/3141
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A projection system includes a cabinet having a surface with an aperture therein, a projector disposed within the cabinet, adapted to project light through the aperture in the surface of the cabinet, and a lens disposed in the aperture to project the light onto a screen disposed generally non-parallel to the cabinet surface having the aperture.

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