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High Efficiency Speaker Asylum Need speakers that can rock with just one watt? You found da place. |
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In Reply to: RE: one of the biggest leaps in bass horn tech - another patent posted by freddyi on September 3, 2021 at 08:38:20:
That's very similar to the Novak design, the main difference being that the ports vent into the horn further down instead of at the throat. It operates on the same principle, that a tapered pipe works as a horn down to Fc and as a port below that. One might make the argument that this patent should not have been granted, as Novak's prior art became public domain in 1975. Around 1998 I investigated the possibility of patenting the venting of the rear chamber into the horn, and was told by a patent examiner that the Novak prior art ruled it out. I've seen a number of recent patents that should not have been granted, and wouldn't withstand a challenge. I guess patent examiners today aren't as good as they used to be.
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Follow Ups
- RE: one of the biggest leaps in bass horn tech - another patent - Bill Fitzmaurice 09/3/2109:31:36 09/3/21 (2)
- RE: one of the biggest leaps in bass horn tech - staggering vs "6 of 1" - freddyi 12:29:06 09/5/21 (0)
- RE: one of the biggest leaps in bass horn tech - another patent - freddyi 15:25:29 09/3/21 (0)
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