Even though a control apparatus adapted for controlling a sound source of a keyboard type musical instrument is used with any type of electronic instruments connected therewith as a performance input apparatus, the control apparatus can provide after-touch effect as a user expects. Especially when a...http://www.google.fr/patents/US5119712?utm_source=gb-gplus-shareBrevet US5119712 - Control apparatus for electronic musical instrument
Control apparatus for electronic musical instrument
