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US 10,477,305 B2Granted
Hydrophobic and oleophobic membrane, and waterproof sound device using same
AssigneeAmogreentech Co., Ltd.
InventorYong Sik Jung
Life of this patent
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Abstract
Provided is a waterproof sound device including: an acoustic unit that emits or receives sound; and a membrane that vibrates to transmit the sound emitted from the acoustic unit to the outside or to transmit sound from the outside to the acoustic unit, wherein a distance from the membrane to the acoustic unit is determined to be greater than the maximum vibration width of the width of the vibration of the membrane that vibrates toward the acoustic unit.
Claims6
A waterproof sound device comprising:
- an acoustic unit;
- a pass unit having at least one pass hole;
- a waterproof membrane positioned between the acoustic unit and the pass unit, the waterproof membrane vibrating to transmit first sound emitted from the acoustic unit to outside of a waterproof sound device through the at least one pass hole or to transmit second sound received through the at least one pass hole from the outside to the acoustic unit,
- a first fixing unit interposed between the waterproof membrane and the acoustic unit, directly attached to the waterproof membrane and the acoustic unit, and having a first thickness to provide a first distance from the waterproof membrane to the acoustic unit, the first thickness being greater than a first maximum vibration width of the waterproof membrane toward the acoustic unit, and
- a second fixing unit interposed between the waterproof membrane and the pass unit, directly attached to the waterproof membrane and the pass unit, and having a second thickness to provide a second distance from the waterproof membrane to the pass unit, the second thickness being greater than a second maximum vibration width of the waterproof membrane toward the pass unit.
2 more elements
Dependencies are inferred from the claim text.