Title:
マルチバンドハンドヘルド通信デバイスにおいて使用する周波数アジャイルトランシーバ
Document Type and Number:
Japanese Patent JP4589401
Kind Code:
B2
Abstract:
A multi-band handheld communications device includes a transceiver including a transmitter having a transmit filter and a receiver having a receive filter, each of the transmit and receive filters having a bandpass region tunable across multiple bands, and a processor configured to select one of the multiple bands to operate the handheld communications device, and tune each of the transmit and receive filters based on the selected one of the multiple bands.
Inventors:
Tonchik, Stanley S.
Application Number:
JP2007540082A
Publication Date:
December 01, 2010
Filing Date:
November 04, 2005
Export Citation:
Assignee:
QUALCOMM INCORPORATED
International Classes:
H04B1/40
Domestic Patent References:
| JP2002208802A | ||||
| JP2006524026A | ||||
| JP2004320446A |
Foreign References:
| US20030048153 | ||||
| US4459571 | ||||
| US6307448 |
Attorney, Agent or Firm:
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Katsu Sunagawa
Ryo Hashimoto
Tetsuya Kazama
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Katsu Sunagawa
Ryo Hashimoto
Tetsuya Kazama