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贴片耳机插座开关有什么工作原理和优势


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贴片耳机插座有单键式和多键组合式两种类型。单键式插座开关一般用于电视机中作电源插座,它又分为自锁自复位式(这种开关按一下即接通自锁,再按一下则断开复位)和无锁式(不能锁定,按动时接通,松手后复位)两种结构。多键组合式按键开关分为自锁、互锁和无锁等结构类型。八键式或十二键开关早期用于电视机中作节目预选开关,四键式按键开关早期于波轮式洗衣机中作洗涤状态选择开关。

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