Patent · US Expired

Mobile communication terminal

US6819942B2 · kind B2 · utility

19Cited by
5References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 2002
Grant dateNov 16, 2004
Priority date
Expiry dateJun 25, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2201/0036
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

In a mobile communication terminal according to an aspect of the invention, it is detects whether an external unit is connected to an earphone jack. If it is detected that an external unit is connected to the earphone jack, it is determined whether the external unit is an earphone unit or an electronic flash unit. If the external unit is the electronic flash unit, an audio path provided in the terminal to transmit an audio signal within the terminal will be connected to a microphone and a speaker provided in the terminal.

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