[sdiy] touch keyboard patent

[Roman Sowa]

That's cool idea.
BTW, I checked the patent which is listed on EMS TKS PCB. That's rare 
wooden version of AKS keyboard. And the patent actually says about some 
pentatonic keyboard, not really saying anything about technicalities 
behind actual toouch sensing. Or I haven't spoted that in my 1-minute 
reviewing. Anyway it expired in early 90's.

One interesting thing I read in that patent, they mention prior art from 
1950's published in some magazine. Does that make the patent void from 
the start?

Roman

W dniu 2024-10-06 o 20:03, Tom Wiltshire pisze:
> +1 agree. Just because the patent exists doesn't mean it's enforceable, 
> or even that there's anyone still interested in enforcing it.
> 
> Make a note of which the *earliest* patent you've found is, and if 
> anyone comes after you because of one of the later ones, tell them that 
> there's prior art and theirs is worth nothing!
> 
>> On 6 Oct 2024, at 18:10, Mike Bryant <mbryant at futurehorizons.com 
>> <mailto:mbryant at futurehorizons.com>> wrote:
>>
>> People patent all sorts of things in the hope somebody just pays up.  
>>  I can't imagine there's been much innovative in touch apart from the 
>> Apple two fingered gestures for decades so just go ahead.
>>
>> On 6 Oct 2024 17:59, Roman Sowa via Synth-diy <synth-diy at synth-diy.org 
>> <mailto:synth-diy at synth-diy.org>> wrote:
>> Has anyone ever dealt with capacitive touch keyboard for musical
>> instrument in legal terms?
>> There seems to be quite a few patents out there for this, and many of
>> them not expired at all.
>> I wonder how EDP managed that with their Wasp and Gnat, or maybe the
>> patent weren't yet granted back then?
>> There are also currently made instruments with touch keyboards like
>> Buchla and all its clones, MicroFreak and others.
>> Possibly if I make the pads in funny shape and with obligatory stupid
>> graphics, I'm safe, but I'd really like my keyboard to look like keyboard.
>>
>> Roman
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