-
公开(公告)号:US20050261036A1
公开(公告)日:2005-11-24
申请号:US11183009
申请日:2005-07-18
申请人: Shu-ichi Sekine , Takayoshi Itoh , Yuji Iseki , Naoko Ono , Keiichi Yamaguchi , Hiroyuki Kayano , Akihiro Tsujimura , Kazuhiro Inoue , Noriaki Odachi , Yasushi Murakami
发明人: Shu-ichi Sekine , Takayoshi Itoh , Yuji Iseki , Naoko Ono , Keiichi Yamaguchi , Hiroyuki Kayano , Akihiro Tsujimura , Kazuhiro Inoue , Noriaki Odachi , Yasushi Murakami
CPC分类号: H03H7/40 , H01Q1/242 , H04B1/0458
摘要: In a radio equipment of portable type, the impedance of an antenna is optimized by adjusting a matching circuit which has the adjustment function and is connected to an antenna, based on a reflection phase sent back from the antenna, outputted from a reflection phase detector, and a current supplied to a transmitter-receiver which generates a transmitting signal.
-
公开(公告)号:US06934557B2
公开(公告)日:2005-08-23
申请号:US10256080
申请日:2002-09-27
申请人: Shu-ichi Sekine , Takayoshi Itoh , Yuji Iseki , Naoko Ono , Keiichi Yamaguchi , Hiroyuki Kayano , Akihiro Tsujimura , Kazuhiro Inoue , Noriaki Odachi , Yasushi Murakami
发明人: Shu-ichi Sekine , Takayoshi Itoh , Yuji Iseki , Naoko Ono , Keiichi Yamaguchi , Hiroyuki Kayano , Akihiro Tsujimura , Kazuhiro Inoue , Noriaki Odachi , Yasushi Murakami
CPC分类号: H03H7/40 , H01Q1/242 , H04B1/0458
摘要: In a radio equipment of portable type, the impedance of an antenna is optimized by adjusting a matching circuit which has the adjustment function and is connected to an antenna, based on a reflection phase sent back from the antenna, outputted from a reflection phase detector, and a current supplied to a transmitter-receiver which generates a transmitting signal.
摘要翻译: 在便携式无线电设备中,通过基于从反射相位检测器输出的从天线发回的反射相位调整具有调整功能并连接到天线的匹配电路来优化天线的阻抗, 以及提供给产生发送信号的收发器的电流。
-