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No you can build a patent upon anything already patented, but only the stuff you've added is protected.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Synth-diy <synth-diy-bounces@synth-diy.org> on behalf of Roman Sowa via Synth-diy <synth-diy@synth-diy.org><br>
<b>Sent:</b> 07 October 2024 13:49<br>
<b>To:</b> Tom Wiltshire <tom@electricdruid.net><br>
<b>Cc:</b> SYNTH DIY <synth-diy@synth-diy.org><br>
<b>Subject:</b> Re: [sdiy] touch keyboard patent</font>
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<div class="PlainText">That's cool idea.<br>
BTW, I checked the patent which is listed on EMS TKS PCB. That's rare <br>
wooden version of AKS keyboard. And the patent actually says about some <br>
pentatonic keyboard, not really saying anything about technicalities <br>
behind actual toouch sensing. Or I haven't spoted that in my 1-minute <br>
reviewing. Anyway it expired in early 90's.<br>
<br>
One interesting thing I read in that patent, they mention prior art from <br>
1950's published in some magazine. Does that make the patent void from <br>
the start?<br>
<br>
Roman<br>
<br>
W dniu 2024-10-06 o 20:03, Tom Wiltshire pisze:<br>
> +1 agree. Just because the patent exists doesn't mean it's enforceable, <br>
> or even that there's anyone still interested in enforcing it.<br>
> <br>
> Make a note of which the *earliest* patent you've found is, and if <br>
> anyone comes after you because of one of the later ones, tell them that <br>
> there's prior art and theirs is worth nothing!<br>
> <br>
>> On 6 Oct 2024, at 18:10, Mike Bryant <mbryant@futurehorizons.com <br>
>> <<a href="mailto:mbryant@futurehorizons.com">mailto:mbryant@futurehorizons.com</a>>> wrote:<br>
>><br>
>> People patent all sorts of things in the hope somebody just pays up. <br>
>> I can't imagine there's been much innovative in touch apart from the <br>
>> Apple two fingered gestures for decades so just go ahead.<br>
>><br>
>> On 6 Oct 2024 17:59, Roman Sowa via Synth-diy <synth-diy@synth-diy.org <br>
>> <<a href="mailto:synth-diy@synth-diy.org">mailto:synth-diy@synth-diy.org</a>>> wrote:<br>
>> Has anyone ever dealt with capacitive touch keyboard for musical<br>
>> instrument in legal terms?<br>
>> There seems to be quite a few patents out there for this, and many of<br>
>> them not expired at all.<br>
>> I wonder how EDP managed that with their Wasp and Gnat, or maybe the<br>
>> patent weren't yet granted back then?<br>
>> There are also currently made instruments with touch keyboards like<br>
>> Buchla and all its clones, MicroFreak and others.<br>
>> Possibly if I make the pads in funny shape and with obligatory stupid<br>
>> graphics, I'm safe, but I'd really like my keyboard to look like keyboard.<br>
>><br>
>> Roman<br>
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