Dual sound coil structure for a sounder device

摘要

A dual sound coil structure for a sounder device, which can be utilized in sounder devices including speakers, telephone receivers, buzzers, microphones, and so on. The present invention is primarily configured to include two sound coils fashioned within the one sounder device and which actualize integration with vibrating diaphragms, and further enables modification of impedance of the sound coils in accordance with usage requirements, thereby achieving objective of providing the sounder device with dual circuit functionality.