Mobile terminal for mobile communication
Abstract
Abstract Translated from Japanese (57)【要約】 【目的】1つの移動体通信の無線端末装置が異なる2つ の無線周波数帯で使用できるようにする際、通話品質の 向上と、これに伴う使い勝手の向上を図ること。 【構成】1.5GHzの無線周波数帯の受信手段111 から115と、900MHzの無線周波数帯の送受信手 段121から125及び131から135と、900M Hzの無線周波数帯の受信手段211から215と、 1.5GHzの無線周波数帯の送受信手段221から2 25及び231から235と、2つの送受信アンテナ 1、2と、送受信アンテナ1を前記111、121のい ずれかに接続するアンテナ切り換えスイッチ3と、送受 信アンテナ2を前記211、221のいずれかに接続す るアンテナ切り換えスイッチ4とから構成される。 (57) [Abstract] [Purpose] To improve the call quality and the associated usability when one mobile communication wireless terminal device can be used in two different radio frequency bands. [Structure] Receiving means 111 for radio frequency band of 1.5 GHz To 115, the transmission / reception means 121 to 125 and 131 to 135 in the radio frequency band of 900 MHz, and 900M Receiving means 211 to 215 in the radio frequency band of Hz, Transmitting / receiving means 221 to 2 in the radio frequency band of 1.5 GHz 25 and 231-235, two transmitting / receiving antennas 1, 2, an antenna changeover switch 3 for connecting the transmitting / receiving antenna 1 to either 111 or 121, and a transmitting / receiving antenna 2 for connecting to either 211 or 221. The antenna changeover switch 4 is included.
Inventors
- 👤 Hiroaki Matsushita
- 👤 博明 松下
- 👤 Atsushi Yoshioka
- 👤 厚 吉岡
Bibliographic Details
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