Waterproof microspeaker

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12267659
APP PUB NO 20230353944A1
SERIAL NO

18136962

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A waterproof microspeaker includes: a frame; a magnetic circuit provided below the frame and including a yoke, inner and outer magnets, and a top plate; a voice coil located between the magnets and configured to vibrate by a magnetic field of the magnetic circuit and mutual electromagnetic force when an electric signal is applied; and a diaphragm housing provided above the frame. The diaphragm housing includes: a sidewall portion provided above the frame and having a predetermined height; an edge dome portion protruding upwardly or downwardly along an inner circumference of the sidewall portion; and a diaphragm provided inside the edge dome, allowing an upper end of the voice coil to be fixed thereto, and configured to generate sound by vibration of the voice coil. The diaphragm includes a polymeric material including metal or plastic and is inserted into an inner circumferential portion of the edge dome portion.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
EM-TECH CO LTD40 CHANGWONDAERO 1144 BEON-GIL SEONGSAN-GU CHANGWON-SI GYEONGSANGNAM-DO 51539

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jeong, Heung Woo Gyeongsangnam-do, KR 2 2
Jeong, Hyun Woo Busan, KR 36 48
Kim, Gang Tae Gyeongsangnam-do, KR 3 1
You, Hyeon Sik Gyeongsangnam-do, KR 1 0

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Oct 1, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Oct 1, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 1, 2036
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00