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    • 20. 发明授权
    • Transmitting apparatus and method
    • 传输装置和方法
    • US08099065B2
    • 2012-01-17
    • US12170759
    • 2008-07-10
    • Masaki Fujii
    • Masaki Fujii
    • H01Q11/12H04B1/04
    • B60R25/24B60R25/406
    • Communication with less noise is to be performed. A voltage value control signal functioning as an instruction to change the voltage value supplied from a voltage converting section to an LFI is output from a CPU. A driving section for the LFI outputs the control signal at 125 kHz that drives an FET circuit section according to the voltage value supplied from an ECU. The FET circuit section outputs the driving current for an antenna under the control of the driving section. A connecter terminal that connects to a harness is connected to a connecter terminal for GND connection along with the GND terminal of the voltage converting section. A connecter terminal that connects to a harness is connected to a connecter terminal for GND connection along with the GND terminal of the FET circuit section.
    • 要执行噪音较小的通信。 从CPU输出用作将从电压转换部提供的电压值变更为LFI的指示的电压值控制信号。 LFI的驱动部分根据从ECU提供的电压值输出125kHz的控制信号,驱动FET电路部分。 FET电路部分在驱动部分的控制下输出天线的驱动电流。 连接到线束的连接器端子连接到用于GND连接的连接器端子以及电压转换部分的GND端子。 连接到线束的连接器端子连接到FET连接的连接器端子以及FET电路部分的GND端子。