Patent · US Expired

Front-lighted magneto-optic display

US4472708A · kind A · utility

3Cited by
5References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 5, 1982
Grant dateSep 18, 1984
Priority date
Expiry dateMay 5, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/09
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A magneto-optic display capable of viewing from available front incident light. The display consists of a polarizing sheet, a blank optical bias magneto-optic chip, a structured magneto-optic chip containing the display to be viewed and a reflective surface.

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