1.电话机送话器的检测电话机中的送话器,其功能是将声音的变化转变成电路电流或电压的变化.从而完成声/电 的转换。送话器根据内在结构的不同,可分为碳粒式送话器、电磁式送话器、动圈式送话器、压电式送话器及驻极体送话器等几大类别。在目前电子电话机中送话器均广泛采用驻极体送话器,驻极体送话器又称驻极体电容传声器。这种送话 1. Telephone Microphone Detection Telephone Microphone, its function is to change the sound into a circuit current or voltage changes. To complete the sound / electricity conversion. According to the internal structure of the microphone can be divided into carbon microphone, electromagnetic microphone, moving coil microphone, piezoelectric microphone and electret microphone and several other categories. In the current electronic telephone microphone are widely used electret microphone, the electret microphone, also known as electret condenser microphone. Send this