Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
WIRELESS TELEPHONE DEVICE, HAND-OFF METHOD IN WIRELESS TELEPHONE DEVICE AND COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2008/065919
Kind Code:
A1
Abstract:
A wireless telephone device, a hand-off method in a wireless telephone device and a communication system are provided to enable the occurrence suppression of instant disconnection in a MAHHO as much as possible. A wireless telephone device (1) is comprised of a communication unit (11) for selecting one of a plurality of frequencies to carry out wireless communication with a base station, a control unit (12) for switching a frequency used by the communication unit (11) to control the communication unit (11) and a speaker for outputting a communication voice in accordance with a voice signal received by the communication unit (11). When the communication unit (11) receives a command to carry out a complement processing for a hand-off candidate frequency during a telephone call, the control unit (12) makes the speaker output a quasi voice and carries out the complement processing of switching the present frequency in use to the hand-off candidate frequency.

Inventors:
ONISHI KAZUO (JP)
Application Number:
PCT/JP2007/072355
Publication Date:
June 05, 2008
Filing Date:
November 19, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KYOCERA CORP (JP)
ONISHI KAZUO (JP)
International Classes:
H04B1/7083; H04J13/00; H04M1/00; H04W36/00; H04W36/36; H04W88/02
Domestic Patent References:
WO2006109538A12006-10-19
Foreign References:
JPH099326A1997-01-10
JPH04316225A1992-11-06
Attorney, Agent or Firm:
SATOH, Takahisa (Toranomon Denki Building 2F8-1, Toranomon 2-chom, Minato-ku Tokyo 01, JP)
Download PDF: