- Rockin’ Patent: US Patent No. 7,686,129
- Filed: 30 August 2007
- In the name of: Klipsch Group Inc
- Title: Acoustic Horn Having Internally Raised Geometric Shapes
- What’s claimed: “A horn for a loudspeaker, comprising: a body including a throat extending outwardly to a mouth such that an expansion contour is defined between the throat and mouth, wherein the body includes an interior surface and an exterior surface; and a raised surface area on the body extending inwardly from the interior surface of the body toward an interior area defined by the body that alters an expansion rate of the expansion contour defined between the throat and mouth at the location of the raised surface area, wherein a surface area in a central portion of the raised surface area is larger than surface areas near the throat and mouth, wherein the raised surface area is configured to cause the horn to maintain a wide coverage pattern.”
- Why this patent rocks: This appears to be one of the patents that relate to Klipsch Group Inc’s folded horn used in their loudspeaker. Klipsch Group Inc state that the technology “maximises dispersion, clarity and efficiency, while minimising room interactions that blur sonic detail.” This is said to result in wide and consistent coverage by “applying either two vertically or horizontally stacked exclusive Skewed Tractrix® Horn-loaded tweeters that point in opposite directions.” For more information, see here for a detailed overview.
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