attycda Posted September 10, 2021 Share Posted September 10, 2021 In my topic looking for the depth of speakers, I thought to look the patents up since they usually have diagrams. I thought they might have a broader interest here than that post with words like "crossover." Hence this post. Diagrams are found in the image Link at the bottom of the USPTO page. The link below is only a search for patents which were assigned to "Klipsch" since 1976. I did a separate one by inventor & found 4 which Paul Klipsch owned himself after that time. I own a pair of the Klipsch earbuds and was glad to find that they own a number of patents on them, and it's not a bought & branded design. While I feel like I've missed some, I'm not certain of that. Please feel free to comment with others you find. https://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.htm&r=0&f=S&l=50&d=PTXT&RS=(AC%2Fhope+AND+AS%2FAR)&Refine=Refine+Search&Query=AN%2FKlipsch 2 Quote Link to comment Share on other sites More sharing options...
karlson3 Posted September 11, 2021 Share Posted September 11, 2021 Cool ! - The Skew Horn" reminds me of Don Keele's 1983 paper http://www.xlrtechs.com/dbkeele.com/PDF/Keele (1983-10 AES Preprint) - Horn Covers Flat Rectangular Area.pdf Quote Link to comment Share on other sites More sharing options...
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