发明授权
US06842530B2 Electric acoustic converter having a rear surface terminal 失效
具有后表面端子的电声转换器

Electric acoustic converter having a rear surface terminal
摘要:
The present invention relates to an electric acoustic converter used as a speaker or a receiver of a mobile communication device such as a portable telephone or the like. In the electric acoustic converter according to the present invention, the size reduction and thinning of the thickness of the electric acoustic converter can be promoted by providing surface-like rear surface terminals 81 and 82 on the exposed surface 33 which is a rear surface of the yoke 3.
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