An electronic musical instrument comprises a plural number of component blocks capable of being coupled mechanically and electrically in succession and each having therein musical tone elements control means and at least one of the blocks having also musical tone signal generating means. Time range or...http://www.google.es/patents/US4936185?utm_source=gb-gplus-sharePatente US4936185 - Electronic musical instrument having plural component blocks
Electronic musical instrument having plural component blocks
