Title:
PORTABLE WIRELESS APPARATUS
Document Type and Number:
Japanese Patent JP2002261665
Kind Code:
A
Abstract:
To select an antenna of good characteristics upon transmission for improvement of characteristics thereof when a human body is in proximity to the antenna.
In a portable wireless apparatus provided with two or more antennas which are capable of transmitting and receiving, when characteristics of the antennas may substantially deteriorate because a finger, for example, moves near them, an antenna which receives at a higher level is selected as a transmission antenna.
Inventors:
IWAI HIROSHI
YAMAMOTO ATSUSHI
OGAWA KOICHI
KOYANAGI YOSHIO
YAMADA KENICHI
YAMAMOTO ATSUSHI
OGAWA KOICHI
KOYANAGI YOSHIO
YAMADA KENICHI
Application Number:
JP2001054010A
Publication Date:
September 13, 2002
Filing Date:
February 28, 2001
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H04B7/06; H04B7/08; H04B7/26; H04M1/00; H04M1/02; H04M1/725; H01Q1/24; (IPC1-7): H04B7/06; H01Q1/24; H04B7/08; H04B7/26; H04M1/00; H04M1/02; H04M1/725
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)