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US 2007/0165898 A1Published application
Acoustic head structure of a microphone
OwnerChin-Ching Huang, Min-Te Tu +1inventors
InventorsChin-Ching Huang, Min-Te Tu, Jiung-Yue Tien
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Abstract
An acoustic head structure for a microphone is disclosed. It comprises a substrate, a sound-processing unit and an upper cap. The upper cap has a plurality of acoustic holes that are through-holes arranged about the upper lid. The position and shape of the acoustic holes can prevent foreign matter like dust from falling into the acoustic head structure.
Claims13
An acoustic head structure of a microphone, comprising:
- a substrate, including a circuit board;
- a sound-processing unit, connected with the circuit board;
- an upper lid, connected with the substrate;
- and
- an acoustic hole, located in the flank of the upper lid.
2 more elements
Dependencies are inferred from the claim text.