| 摘要 |
<p>The invention is related to an anti-noise electret pick-up having a tubular body, the tubular body is provided with a front cap which has a sound through hole, and a rear cap, there is an electret diaphragm, a back electrode plate and a back electrode base within the tubular body, wherein said tubular body consists of a front tubular body and a back tubular body joining up each other; said diaphragm is located in said front tubular body; said rear cap of said tubular body has at least one sound through hole; and electronic device are located within said back tubular body. Since the front tubular body has sound through holes towards opposite direction and the distance between them can be very close, and there is a fixed means on the back tubular body, the pick-up can be used in a high noise environment and has a higher environmental noise immunity.</p> |
