Patent · US Expired

Folding cellular telephone

US7200426B2 · kind B2 · utility

2Cited by
5References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 28, 2004
Grant dateApr 3, 2007
Priority date
Expiry dateApr 1, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M2250/16
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A folding cellular telephone which also functions as an information terminal, enabling an improvement in the usability of both the telephone function and the information terminal function as well as a reduction in electric power consumption for the use of the telephone function. A folding cellular telephone comprising a first housing, a second housing and a cover, which are connected with each other by a hinge section formed of a single hinge axis so that they can rotate on the hinge axis. A set of first operation keys for using the information terminal function are disposed on the inner surface of the first housing, and a large first display section for using the information terminal function is disposed on the inner surface of the second housing. A set of second operation keys, a small second display section, and a speaker for using the telephone function are disposed on the outer surface of the second housing in the order named from the vicinity of the hinge section. The cover protects the second operation keys for using the telephone function when the folding cellular telephone is folded, and a microphone is disposed on the inner surface of the cover.

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