Condenser microphone unit, condenser microphone, and method of manufacturing condenser microphone
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United States of America Patent
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Apr 10, 2018
Issued Date -
N/A
app pub date -
Oct 3, 2016
filing date -
Nov 12, 2015
priority date (Note) -
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Abstract
A condenser microphone is provided that can ensure the fixation of an electroacoustic transducer inside a unit case and the grounding of the electroacoustic transducer, regardless of variations in manufacture of the unit case and a circuit board. A condenser microphone unit includes an electroacoustic transducer and a unit case accommodating the electroacoustic transducer. The unit case includes at least one protrusion that is disposed on the inner circumferential surface of the unit case. The electroacoustic transducer is fixed inside the unit case with the protrusion.
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