Patent · US Active

Systems and methods for displaying an image or video on a retro-reflective screen

US9244339B2 · kind B2 · utility

24Cited by
7References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 13, 2013
Grant dateJan 26, 2016
Priority date
Expiry dateFeb 19, 2034

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2013/405
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A display system comprises a projector combined with a retro reflective screen and a viewer distance from the projector such that the observation angle is less than approximately 2-3 degrees. The brightness of the image on the screen for the proposed display system is increased by a factor of ˜100-500× as compared to traditional display systems with for an equivalent power/intensity light source.

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