US Patent 8213658 Acoustical horn
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Patent abstract
An acoustical horn having an inlet or throat, and an outlet or mouth wherein the shape of at least a portion of the horn between the throat and the mouth is defined by an exponential function including a negative exponential term.
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US Patent 08213658 Acoustical horn US Patent 8213658 Acoustical horn
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Patent Number
0821365800
Patent Number
821365800
Edits on 5 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
082136580
Date of Patent
July 3, 2012
0Patent Application Number
123338760
Date Filed
December 12, 2008
0Patent Primary Examiner
Edits on 27 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
082136580
Date of Patent
July 3, 2012
0Patent Application Number
123338760
Date Filed
December 12, 2008
0Patent Primary Examiner
Edits on 14 Dec, 2021
Golden AI
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Infobox (+7 properties)
US Patent 08213658 Acoustical horn
Infobox
Is a
Patent jurisdiction
Patent number
08213658
Date of patent
July 3, 2012
Patent application number
12333876
Date Filed
December 12, 2008
Patent primary examiner
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