Patent · US Expired

Display system for wireless pager

US6559825B2 · kind B2 · utility

17Cited by
80References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 1997
Grant dateMay 6, 2003
Priority date
Expiry dateApr 7, 2017

Classification

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

Abstract

The invention relates to a microdisplay system that utilizes a small high resolution active matrix liquid crystal display with an illumination system and a magnifying optical system to provide a hand held communication display device. The system can employ an LED illumination system and cellular communication or processor circuits within a compact housing to provide communication devices such as pagers, telephones, televisions, and hand held computer or card reader devices with a compact high resolution data and/or video display.

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