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    • 4. 发明授权
    • High frequency circuit and high frequency module
    • 高频电路和高频模块
    • US08810317B2
    • 2014-08-19
    • US13547431
    • 2012-07-12
    • Ryo KadoiNorio HayashiSatoshi ShimizuAkio Yamamoto
    • Ryo KadoiNorio HayashiSatoshi ShimizuAkio Yamamoto
    • H03G3/30
    • H03F1/0261H03F1/0211H03F3/193H03F3/195H03F2200/18H03F2200/465H03G3/3042
    • A high frequency circuit and a high frequency module are provided, in which the accuracy of compensation operation is improved in compensating by digital control. The amplification gain of an amplification element of an amplifier unit is controlled by a bias current of a bias control unit. A process monitoring circuit of a calibration circuit includes a first and a second element characteristic detector and a voltage comparator. The detectors convert the current of replica elements into a first and a second detection voltage. The voltage comparator compares a first and a second detection voltage and supplies a comparison output signal to a search control unit. Responding to the comparison output signal of the comparator and a clock signal of a clock generating unit, the controller generates a multi-bit digital compensation value according to a predetermined search algorithm, and the bias control unit of the second detector is feedback-controlled.
    • 提供了一种高频电路和高频模块,其中通过数字控制来补偿补偿操作的精度。 放大器单元的放大元件的放大增益由偏置控制单元的偏置电流控制。 校准电路的过程监控电路包括第一和第二元件特征检测器和电压比较器。 检测器将复制元件的电流转换成第一和第二检测电压。 电压比较器比较第一和第二检测电压,并将比较输出信号提供给搜索控制单元。 响应于比较器的比较输出信号和时钟产生单元的时钟信号,控制器根据预定的搜索算法生成多位数字补偿值,并且反馈控制第二检测器的偏置控制单元。
    • 7. 发明申请
    • OPERATION MANAGEMENT SUPPORT APPARATUS FOR POWER PLANT
    • 电厂运行管理支援装置
    • US20130271287A1
    • 2013-10-17
    • US13994384
    • 2011-12-12
    • Musashi ShigeyamaKazunobu KurahashiChihiro OhbaAkio Yamamoto
    • Musashi ShigeyamaKazunobu KurahashiChihiro OhbaAkio Yamamoto
    • G08B23/00
    • G08B23/00G05B23/0267G21D3/001G21D3/008G21D3/04Y02E30/40Y04S10/522
    • Provide an operation management support apparatus for power plant, supporting a maintenance work and preventing a user from violation of the operational safety programs, caused by a human error in case where a power plant temporarily deviates from LCO. The operation management support apparatus for power plant includes: an alarm device 12 that compares a plant data measuring by sensors 3a-3x installed in a nuclear power plant 2 with preset alarm the value and generates an alarm output instruction signal for instructing an alarm output in case of determining that the power plant is abnormal; an operational safety program DB 14 that stores an information in relation to an operational safety program of the power plant; an support device 13 that extracts an information in relation to the operational safety program of which the alarm output represents a conflict from the operational safety program DB 14 based on the plant data in relation to the alarm output in case of receiving the alarm output instruction signal; and a display device 15 (16) that displays the plant data and the information in relation to the operational safety program, extracted by the support deice.
    • 为电厂提供运行管理支持设备,支持维护工作,防止用户违反操作安全规程,造成电厂临时偏离LCO的人为错误。 发电厂的运行管理支援装置包括:报警装置12,将安装在核电站2中的传感器3a-3x进行测量的工厂数据与预先设定的报警值进行比较,生成用于指示报警输出的报警输出指示信号 确定发电厂异常的情况; 操作安全程序DB14,其存储关于发电厂的操作安全程序的信息; 在接收到报警输出指示信号的情况下,基于与报警输出相关的工厂数据,从操作安全程序DB14提取关于报警输出代表冲突的操作安全程序的信息的支持装置13 ; 以及显示装置15(16),其显示由支持部提取的工厂数据和与操作安全程序有关的信息。
    • 9. 发明申请
    • MODULE FOR MOBILE COMMUNICATION TERMINAL, AND MOBILE COMMUNICATION TERMINAL
    • 移动通信终端模块和移动通信终端
    • US20120094617A1
    • 2012-04-19
    • US13221937
    • 2011-08-31
    • Masazumi ToneAkio YamamotoTakashi ShibaOsamu Hikino
    • Masazumi ToneAkio YamamotoTakashi ShibaOsamu Hikino
    • H04B1/44
    • H04B1/0057H04B1/525
    • A tunable filter in a tunable DPX module has frequency characteristics, and thus needs to be controlled with high accuracy so as to simultaneously cancel a transmission signal and noise in a reception band on a transmission side. For this reason, a canceller includes a filter having the same frequency characteristic as that of a tunable filter, and a structure having functions of compensating for an amplitude, a phase, and a delay. And, two lines of the cancellers are used to individually cancel a leak component of a transmission signal and a leak component of thermal noise in a reception band. In order to save the power consumption of the amplifier, a coupler is loosely coupled, and a combiner is tightly coupled. Further, in order to suppress the influence on a reception system due to the tough coupling, the combiner uses the amplifier for in-phase inputs.
    • 可调DPX模块中的可调滤波器具有频率特性,因此需要高精度地控制,以便同时消除发送侧的接收频带中的发送信号和噪声。 因此,消除器包括具有与可调谐滤波器相同的频率特性的滤波器,以及具有补偿振幅,相位和延迟的功能的结构。 并且,使用两行消除器单独地消除接收频带中的发送信号的泄漏分量和热噪声的泄漏分量。 为了节省放大器的功耗,耦合器松耦合,组合器紧密耦合。 此外,为了抑制由于强耦合对接收系统的影响,组合器使用用于同相输入的放大器。