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Electronic component with built-in push switch driven by rotary and pushing operation of an operating knob
Electronic component with built-in push switch driven by rotary and pushing operation of an operating knob
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机译:具有内置按钮的电子元件,该按钮由操作旋钮的旋转和推动操作驱动
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摘要
An operation type electronic component which is used for a remote controller of various electronic equipment and portable electronic equipment and is equipped with a push switch driven by the rotating and push operation of an operation knob. The component can be reduced in size and grounded by a simple construction and can be grounded by merely fitting. A dome-like movable contact (23E) is put on fixed contacts (23A, 23B) disposed on a fitting substrate (22) to form a switch unit (23). An L-shaped actuator is interposed between this switch unit (23) and a driving body (21) so that the driving body (21) returns to the original state after the push operation of an operation knob (6) by the elastic operation force of the dome-like movable contact point (23E)of the switch unit (23). Further, a metal plate (25) equipped integrally with a live current portion (10) and a conductor of an earth portion (26) is fixed by insert-molding to the resin fitting substrate (22) and is electrically isolated so as to interpose a lightning conductor portion (26A) of the earth portion (26) between the live current portion (10) and the operation knob (6). According to this constitution, the number of constituent components can be reduced, the overall size can be reduced, too, and static electricity occurring in the operation knob (6) can be always conducted to the earth.
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