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US Patent 11514879 Sound absorbing apparatus and sound absorption structure

Patent 11514879 was granted and assigned to Yamaha Corporation on November, 2022 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 12073817 Sound absorbing member, sound absorbing apparatus, and sound absorbing structure
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US Patent 11780384 Automobile sound insulation panel
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 US Patent 11514879 Sound absorbing apparatus and sound absorption structure

Article

A sound absorbing apparatus includes a first member including at least one first opening portion for enabling Helmholtz resonance, and a second member that is on the first member, has a plate shape or a sheet shape, and is formed of a porous material. The second member includes at least one second opening portion overlapping one-to-one with the at least one first opening portion in planar view. A periphery of each of the at least one second opening portion coincides with or is located outside a periphery of each corresponding one of the at least one first opening portion in planar view.

Infobox
Is a
Patent
Patent
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Patent Applicant
Yamaha Corporation
Yamaha Corporation
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Current Assignee
Yamaha Corporation
Yamaha Corporation
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
115148790
Date of Patent
November 29, 2022
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Patent Application Number
166726450
Date Filed
November 4, 2019
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Patent Citations
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US Patent 11223886 Vehicle mounted sound bar and operation thereof
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US Patent 11240592 Bass reflex port and acoustic device
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US Patent 10755687 Thin film resonators
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US Patent 10876479 Acoustic liner having multiple layers
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US Patent 11027817 Acoustic treatment panel comprising a porous acoustically resistive structure comprising connecting canals
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Patent Primary Examiner
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Forrest M Phillips
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CPC Code
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G10K 11/172
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G10K 11/162
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