Patent · US Expired

Screen for a large size view field

US5863630A · kind A · utility

3Cited by
2References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 1996
Grant dateJan 26, 1999
Priority date
Expiry dateNov 22, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/249992
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A screen for a large size view field is provided which is portable. The screen is formed by a plurality of screen members having a predetermined area and arranged up and down, right and left. A foamed film having bubbles therein is bonded to a back side surface of each screen member.

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