POWER AMPLIFIER AND TRANSMISSION AND RECEPTION SYSTEM
    2.
    发明申请
    POWER AMPLIFIER AND TRANSMISSION AND RECEPTION SYSTEM 有权
    功率放大器和传输和接收系统

    公开(公告)号:US20080238550A1

    公开(公告)日:2008-10-02

    申请号:US11857737

    申请日:2007-09-19

    IPC分类号: H03F3/16 H03F3/68

    摘要: A power amplifier includes: a first multi-finger FET formed on a semiconductor substrate; a second multi-finger FET formed on the semiconductor substrate; a first temperature detector which detects a channel temperature of the first FET; a second temperature detector which detects a channel temperature of the second FET; a third temperature detector which detects a temperature of the semiconductor substrate; a first detection circuit detecting a difference between an output of the first temperature detector and an output of the third temperature detector and converting the difference to thermoelectromotive force; a second detection circuit detecting a difference between an output of the second temperature detector and the output of the third temperature detector and converting the difference to thermoelectromotive force; and a comparator comparing outputs of the first and second detection circuits with each other to turn on one of the first and second switches and turn off the other.

    摘要翻译: 功率放大器包括:形成在半导体衬底上的第一多指FET; 形成在半导体衬底上的第二多指FET; 第一温度检测器,其检测第一FET的通道温度; 第二温度检测器,其检测第二FET的通道温度; 第三温度检测器,其检测半导体衬底的温度; 第一检测电路,检测第一温度检测器的输出和第三温度检测器的输出之间的差异,并将差值转换为热电动势; 第二检测电路,检测第二温度检测器的输出与第三温度检测器的输出之间的差异,并将差值转换为热电动势; 以及比较器,将第一和第二检测电路的输出彼此进行比较,以打开第一和第二开关中的一个并且关闭另一个。

    Sensor device, and sensor system and electronic device using the sensor device
    5.
    发明授权
    Sensor device, and sensor system and electronic device using the sensor device 有权
    传感器装置,以及使用传感器装置的传感器系统和电子装置

    公开(公告)号:US08041534B2

    公开(公告)日:2011-10-18

    申请号:US12234732

    申请日:2008-09-22

    IPC分类号: G01R15/00 G01R23/00 G01R19/00

    摘要: A sensor device which detects a positional relationship between an first member and second member, includes a signal source generating an electrical signal, a first electrode receiving the electrical signal and storing an electrical charge at a first part on the first member, a second electrode inducing an electrical charge at the second part on the second member, a third electrode inducing an electrical charge at the third part on the second member, a fourth electrode inducing an electrical charge at the fourth part on the first member, a reference electrode disposed at a fifth part on the second member to be connected to a reference voltage point, a fifth electrode inducing an electrical charge at the sixth part on the first member, and a differential amplifier amplifying a voltage difference between the fourth electrode and the fifth electrode and outputting a difference signal.

    摘要翻译: 检测第一构件和第二构件之间的位置关系的传感器装置包括产生电信号的信号源,接收电信号的第一电极和在第一构件的第一部分处存储电荷的第二电极, 在第二构件上的第二部分处的电荷,在第二构件上的第三部分处引起电荷的第三电极,在第一构件的第四部分处引起电荷的第四电极,设置在第二构件上的参考电极 要连接到参考电压点的第二构件的第五部分,在第一构件的第六部分处引起电荷的第五电极和放大第四电极和第五电极之间的电压差的差分放大器,并输出 差分信号。

    Sensor device and display apparatus
    6.
    发明授权
    Sensor device and display apparatus 有权
    传感器装置和显示装置

    公开(公告)号:US07876105B2

    公开(公告)日:2011-01-25

    申请号:US12211843

    申请日:2008-09-17

    IPC分类号: G01R27/26

    摘要: A sensor device according to an embodiment of the present invention includes an electrode array having plural electrodes arranged in an array manner, a signal generator configured to generate a first signal having a first frequency, and apply the first signal to the plural electrodes, and a detection unit configured to, when the first signal is applied to the plural electrodes, and a second signal having a second frequency is applied to an object to be detected, detect a distance between each electrode included in the electrode array and the surface of the object, using an interference wave between the first signal applied to each electrode and the second signal applied to the object, or detect irregularities on the surface of the object, using a signal generated by using the interference wave outputted from one electrode and the interference wave outputted from another electrode.

    摘要翻译: 根据本发明实施例的传感器装置包括具有以阵列方式布置的多个电极的电极阵列,信号发生器,被配置为产生具有第一频率的第一信号,并将第一信号施加到多个电极,以及 检测单元,被配置为当第一信号被施加到多个电极时,并且具有第二频率的第二信号被施加到待检测的对象,检测电极阵列中包括的每个电极与物体的表面之间的距离 使用施加到每个电极的第一信号和施加到对象的第二信号之间的干涉波,或者使用通过使用从一个电极输出的干扰波产生的信号和输出的干扰波来检测物体的表面上的不规则 从另一个电极。

    Sensor device, and portable communiction terminal and electronic device using the sensor device
    7.
    发明授权
    Sensor device, and portable communiction terminal and electronic device using the sensor device 有权
    传感器装置和便携式通信终端以及使用该传感器的电子设备

    公开(公告)号:US07812620B2

    公开(公告)日:2010-10-12

    申请号:US12578201

    申请日:2009-10-13

    IPC分类号: G01R27/26

    摘要: A sensor device for detecting a positional relationship between a first member and a second member, includes a first electrode provided on a surface of the first member and supplied with an alternating signal of a first frequency, a second electrode provided on a surface of the second member and supplied with an alternating signal of a second frequency, and a beat detector which detects a beat frequency component corresponding to a difference between the first and second frequencies indicative of the positional relationship between the first member and the second member, when the positional relationship between the first and second members changes to cause the first electrode to approach the second electrode.

    摘要翻译: 一种用于检测第一构件和第二构件之间的位置关系的传感器装置,包括设置在第一构件的表面上并被提供有第一频率的交变信号的第一电极,设置在第二构件的表面上的第二电极 并且提供有第二频率的交替信号;以及拍子检测器,当拍摄位置关系时,检测与表示第一构件和第二构件之间的位置关系的第一和第二频率之间的差对应的拍频分量 在第一和第二构件之间改变以使第一电极接近第二电极。

    SENSOR DEVICE AND DISPLAY APPARATUS
    8.
    发明申请
    SENSOR DEVICE AND DISPLAY APPARATUS 有权
    传感器装置和显示装置

    公开(公告)号:US20090079443A1

    公开(公告)日:2009-03-26

    申请号:US12211843

    申请日:2008-09-17

    IPC分类号: G01R27/26

    摘要: A sensor device according to an embodiment of the present invention includes an electrode array having plural electrodes arranged in an array manner, a signal generator configured to generate a first signal having a first frequency, and apply the first signal to the plural electrodes, and a detection unit configured to, when the first signal is applied to the plural electrodes, and a second signal having a second frequency is applied to an object to be detected, detect a distance between each electrode included in the electrode array and the surface of the object, using an interference wave between the first signal applied to each electrode and the second signal applied to the object, or detect irregularities on the surface of the object, using a signal generated by using the interference wave outputted from one electrode and the interference wave outputted from another electrode.

    摘要翻译: 根据本发明实施例的传感器装置包括具有以阵列方式布置的多个电极的电极阵列,信号发生器,被配置为产生具有第一频率的第一信号,并将第一信号施加到多个电极,以及 检测单元,被配置为当第一信号被施加到多个电极时,并且具有第二频率的第二信号被施加到待检测的对象,检测电极阵列中包括的每个电极与物体的表面之间的距离 使用施加到每个电极的第一信号和施加到对象的第二信号之间的干涉波,或者使用通过使用从一个电极输出的干扰波产生的信号和输出的干扰波来检测物体的表面上的不规则 从另一个电极。