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    • 86. 发明申请
    • Semiconductor Antenna Switch
    • 半导体天线开关
    • US20110294445A1
    • 2011-12-01
    • US13113743
    • 2011-05-23
    • Satoshi GotoMasao Kondo
    • Satoshi GotoMasao Kondo
    • H04B1/44
    • H01P1/15H01P1/213
    • A semiconductor antenna switch has an antenna terminal, a transmission terminal and a reception terminal. The antenna switch is capable of reducing harmonic distortion even though it includes field effect transistors formed over a silicon substrate. A shunt transistor including a plurality of series-connected field effect transistors is connected between he transmission terminal and a common terminal, such as a common terminal, which may be an electrical ground. Off capacitances and/or gate widths of a plurality of the series-connected field effect transistors increase monotonically in the direction from the common terminal to the transmission terminal, or equivalently, decrease monotonically in the direction from the transmission terminal to the common terminal.
    • 半导体天线开关具有天线端子,发送端子和接收端子。 天线开关即使包括形成在硅衬底上的场效应晶体管也能够减少谐波失真。 包括多个串联连接的场效应晶体管的并联晶体管连接在传输终端和诸如可以是电接地的公共端子的公共端子之间。 多个串联场效应晶体管的关断电容和/或栅极宽度在从公共端子到发送端子的方向上单调增加,或者等效地在从发送端子到公共端子的方向上单调减小。
    • 90. 发明授权
    • Storage device, and writing unit diagnosing method
    • 存储设备和书写单元诊断方法
    • US07642789B2
    • 2010-01-05
    • US11699628
    • 2007-01-30
    • Nobuyoshi YamasakiMasao Kondo
    • Nobuyoshi YamasakiMasao Kondo
    • G01R31/08G06F11/00G11B5/09
    • G11B27/36G11B5/455G11B19/046G11B2220/2516
    • The present invention provides a storage device and a writing unit diagnosing method, which can determine a defect in a writing unit at an early stage. There is provided a storage device, which includes writing units that write data to a storage medium, current application units that apply a current to the writing units, electric property measurement units that measure the electric property of the writing units at the time of applying a current by the current application units, and obtain electric property measured values, a storage unit that stores the electric property measured values obtained by the electric property measurement units, and a judgment unit that judges whether or not the writing units are abnormal based on the electric property measured values stored in the storage unit.
    • 本发明提供一种可以在早期阶段确定书写单元中的缺陷的存储装置和书写单元诊断方法。 提供了一种存储装置,其包括向存储介质写入数据的写入单元,向写入单元施加电流的当前应用单元,测量应用时的写入单元的电性能的电性能测量单元 电流,并获得电特性测量值,存储单元,其存储由电性测量单元获得的电特性测量值;以及判断单元,其基于电气判断写入单元是否异常 存储在存储单元中的属性测量值。