Patent · US Expired

Holographic projection screen

US4500163A · kind A · utility

44Cited by
10References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 29, 1981
Grant dateFeb 19, 1985
Priority date
Expiry dateJul 29, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09B9/326
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A projection screen is formed as at least one reflective holograms each of which, when referenced with a projector, reconstructs a defined observation pupil.

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