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    • 1. 发明授权
    • Radio base station apparatus
    • 无线基站装置
    • US08213992B2
    • 2012-07-03
    • US12670339
    • 2008-07-23
    • Daisuke KoizumiMasayuki MotegiYoshitsugu ShimazuSeizo OnoeNaoki Nakaminami
    • Daisuke KoizumiMasayuki MotegiYoshitsugu ShimazuSeizo OnoeNaoki Nakaminami
    • H04M1/00
    • H04B1/0067H03F3/24H04B1/0483H04B2001/0408H04W88/08
    • A shared AMP includes: a transmission/reception processor section (TRX-B) for a second mobile communication system configured to perform frequency conversion processing on an inputted transmission baseband signal for a mobile communication system B, and to output a transmission radio frequency signal for the second mobile communication system; a power level adjuster section (VA) configured to adjust a power level of an inputted transmission radio frequency signal for a first mobile communication system; a combiner section (COM) configured to generate a transmission radio frequency signal, by combining the transmission radio frequency signal for the first mobile communication system outputted from the power level adjuster section (VA) and the transmission radio frequency signal for the second mobile communication system outputted from the transmission/reception processor section (TRX-B) for the second mobile communication system; and a common amplifier section (PA) configured to amplify a power level of the transmission radio frequency signal outputted from the combiner section (COM) at a predetermined amplification rate, and to output the resultant signal.
    • 共享AMP包括:用于第二移动通信系统的发送/接收处理器部分(TRX-B),被配置为对移动通信系统B的输入的发送基带信号执行频率转换处理,并且输出用于 第二移动通信系统; 功率电平调整部(VA),被配置为调整用于第一移动通信系统的输入的发送射频信号的功率电平; 通过组合从功率电平调节部(VA)输出的第一移动通信系统的发送射频信号和第二移动通信系统的发送射频信号,构成为生成发送射频信号的组合器部(COM) 从第二移动通信系统的发送/接收处理器部分(TRX-B)输出; 以及公共放大器部(PA),被配置为以预定的放大率放大从组合器部(COM)输出的发送射频信号的功率电平,并输出所得到的信号。
    • 4. 发明申请
    • RADIO BASE STATION APPARATUS
    • 无线基站装置
    • US20100304790A1
    • 2010-12-02
    • US12670339
    • 2008-07-23
    • Daisuke KoizumiMasayuki MotegiYoshitsugu ShimazuSeizo OnoeNaoki Nakaminami
    • Daisuke KoizumiMasayuki MotegiYoshitsugu ShimazuSeizo OnoeNaoki Nakaminami
    • H04W88/08
    • H04B1/0067H03F3/24H04B1/0483H04B2001/0408H04W88/08
    • A shared AMP includes: a transmission/reception processor section (TRX-B) for a second mobile communication system configured to perform frequency convers ion processing on an inputted transmission baseband signal for a mobile communication system B, and to output a transmission radio frequency signal for the second mobile communication system; a power level adjuster section (VA) configured to adjust a power level of an inputted transmission radio frequency signal for a first mobile communication system; a combiner section (COM) configured to generate a transmission radio frequency signal, by combining the transmission radio frequency signal for the first mobile communication system outputted from the power level adjuster section (VA) and the transmission radio frequency signal for the second mobile communication system outputted from the transmission/reception processor section (TRX-B) for the second mobile communication system; and a common amplifier section (PA) configured to amplify a power level of the transmission radio frequency signal outputted from the combiner section (COM) at a predetermined amplification rate, and to output the resultant signal.
    • 共享AMP包括:用于第二移动通信系统的发送/接收处理器部分(TRX-B),被配置为对移动通信系统B的输入的发送基带信号执行频率转换处理,并且输出发送射频信号 用于第二移动通信系统; 功率电平调整部(VA),被配置为调整用于第一移动通信系统的输入的发送射频信号的功率电平; 通过组合从功率电平调节部(VA)输出的第一移动通信系统的发送射频信号和第二移动通信系统的发送射频信号,构成为生成发送射频信号的组合器部(COM) 从第二移动通信系统的发送/接收处理器部分(TRX-B)输出; 以及公共放大器部(PA),被配置为以预定的放大率放大从组合器部(COM)输出的发送射频信号的功率电平,并输出所得到的信号。
    • 9. 发明授权
    • Signal switching device
    • 信号开关装置
    • US07307045B2
    • 2007-12-11
    • US10702573
    • 2003-11-07
    • Kunihiro KawaiDaisuke KoizumiKei SatohShoichi NarahashiTetsuo Hirota
    • Kunihiro KawaiDaisuke KoizumiKei SatohShoichi NarahashiTetsuo Hirota
    • H01B12/02H01L39/12H04B1/00
    • H01P1/127H01P1/15Y10S505/701Y10S505/703Y10S505/856Y10S505/866
    • A signal switching device is disclosed that is capable of transmitting signals with less signal loss while securing a good isolation characteristic. The signal switching device includes a first section formed from a superconducting material connected to a first transmission path. The first section has a smaller cross section at the input end than at the output end or, the signal switching device may include a first section formed from a superconducting material connected to a first transmission path in series, and a second section formed from a superconducting material connected to a second transmission path in parallel. The cross section of the second section is smaller than that of the second transmission path. The length of the second transmission path is determined in such a way that an input impedance of the second transmission path is sufficiently large when the second section is in a superconducting state.
    • 公开了一种信号切换装置,其能够在确保良好隔离特性的同时传输信号损失较少的信号。 信号切换装置包括由连接到第一传输路径的超导材料形成的第一部分。 第一部分在输入端处具有比在输出端处更小的横截面,或者信号切换装置可以包括由连接到串联的第一传输路径的超导材料形成的第一部分,以及由超导 连接到第二传输路径的材料并联。 第二部分的横截面小于第二传输路径的横截面。 第二传输路径的长度被确定为当第二部分处于超导状态时第二传输路径的输入阻抗足够大。