Patent · US Expired

Personal communication device having a built in projection display

US7184796B2 · kind B2 · utility

70Cited by
18References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 25, 2001
Grant dateFeb 27, 2007
Priority date
Expiry dateFeb 27, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M1/0266
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A personal communication device comprising a dual mode display for a user's viewing in both a direct-view mode, wherein sufficiently-sized characters are displayed in a manner visible to the user without further magnification, and in “projection-view” mode, wherein more content can be displayed over that of the direct-view mode.

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