keyboard contact rubber fun

[Goddard, Duncan]

>>>    What I had in mind here was more akin to having the plunger change
the
> reactance of the inductor.  If you apply an ac current of a fixed
> frequency to the
> circuit, and you move the plunger into the inductor, the reactance will
> change, so
> you will end up getting a voltage proportional to the position of the
> plunger.<<<
> 
> 
sounds like the mechanism employed by paintbox pens and other electronic
stylii. you'd have to be careful to shield the individual components from
adjacent keys and outside influences, but it would give you everything-
aftertouch, note-on and -off with velocity for both. could get expensive,
this.

d.


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