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    • 7. 发明专利
    • Electronic device
    • 电子设备
    • JP2008083014A
    • 2008-04-10
    • JP2006266800
    • 2006-09-29
    • Denso CorpNippon Ceramic Co Ltd日本セラミック株式会社株式会社デンソー
    • KUMADA TATSUMIKAWASHIMA MASAFUMIKATAOKA TAKUYATANAKA MOTOKIKIMURA SHINGOKAWAGUCHI KOJI
    • G01J1/02G01J5/06
    • PROBLEM TO BE SOLVED: To provide an electronic device in which electromagnetic wave noise makes infrared light-receiving section 50 less apt to be adversely affected.
      SOLUTION: In a sensor unit, a can member 40 is formed around the infrared light-receiving section 50 so as to protrude from a circuit board 20. The can member 40 is connected with respect to lands 21a-21e of the circuit board 20 through soldering, and the lands 21a-21e are arranged at regular angles and intervals with the axis of the can member 40 as the center. Lands 22a-22e are connected to the ground; a capacitor 23a is mounted between lands 21a and 22a, while a capacitor 23b is mounted between lands 21b and 22b; a capacitor 23c is mounted between lands 21c and 22c, while condenser 23d is mounted between lands 21d and 22d; and a capacitor 23e is mounted between lands 21e and 22e. When the electromagnetic noise is received by the can member 40, the noise will pass through these capacitors 23a-23e and flows to the ground.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种电磁波噪声使得红外光接收部分50不易受到不利影响的电子装置。 解决方案:在传感器单元中,罐构件40围绕红外光接收部分50形成为从电路板20突出。罐构件40相对于电路的平台21a-21e连接 板20通过焊接,并且焊盘21a-21e以与罐构件40的轴线为中心的规则的角度和间隔布置。 土地22a-22e连接到地面; 电容器23a安装在焊盘21a和22a之间,而电容器23b安装在焊盘21b和22b之间; 电容器23c安装在焊盘21c和22c之间,而冷凝器23d安装在焊盘21d和22d之间; 并且电容器23e安装在焊盘21e和22e之间。 当电磁噪声被罐构件40接收时,噪声将通过这些电容器23a-23e并流到地面。 版权所有(C)2008,JPO&INPIT