Electroacoustic transducer and acoustic resistor
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United States of America Patent
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-
Aug 21, 2018
Grant Date -
Aug 17, 2017
app pub date -
May 4, 2017
filing date -
Nov 18, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An electroacoustic transducer includes a driver, a diaphragm 13 driven to vibrate by the driver and emitting sound, a baffle 22 holding the driver and the diaphragm 13, first openings 25 extending through the baffle 22, an acoustic resistor 23 disposed on the back side of the baffle 22, and second openings 26 extending from the front side to the back side of the acoustic resistor 23. The baffle 22 is provided on the back side of the diaphragm 13. The first openings 25 are provided in the baffle 22. The second openings 26 are each disposed above one of the first openings 25 in the acoustic resistor 23. The electroacoustic transducer exhibits an excellent frequency response even if a sufficient volume of a space is not provided on the back side of the diaphragm 13.
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