Datamation, May 1972

[Arno Kletzander]

Paul Koning <paulkoning at comcast.net> wrote:
> Interesting. From around 1975 or so (...) A few years later (...) 

> Not long after, Lippold Haken created a keyboard that's continuous rather than discrete (think of a keyboard like the fingerboard of a violin); a successor of that is still sold today.

This thing here https://en.wikipedia.org/wiki/Continuum_Fingerboard ? Seems a bit like a digital successor to, or at least inspired by, the analogue 1930s "Trautonium" device (https://en.wikipedia.org/wiki/Trautonium) developed by Trautwein and Sala in Berlin, which used a length of resistance wire suspended over a metal rail. Both position (pitch) and pressure (volume)sensitive according to the description.

Arno, DO4NAK