Patent · US Expired

Call operation method for a communication device

US7027841B2 · kind B2 · utility

32Cited by
10References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 11, 2002
Grant dateApr 11, 2006
Priority date
Expiry dateMay 31, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M1/6058
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A call operation method for a wireless communication device answers an incoming call in response to a user interaction with a user interface or connection of headset to the device and checks a connection state of a headset before initiating an outgoing call.

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