Pitch identification device

Abstract

May 1983 (Class 84/1.03); filed in The Netherlands 2 April 1979This electronic music apparatus is of the type which adds to the automatic chord playing division of an electronic organ two control units which are scanned and controlled in the rhythm of the melody as it is played so that "in a certain rhythm the chords belonging to the bars of a certain melody may be produced by the organ itself, while then the player needs only play the melody." The patent mentions a variety of types of control units which could be used including electromechanical with sets of multi-position switches, sets of conductor matrices, melody music sheets, with circuits printed upon them, or programmable information bearers such as punched cards which can be processed by a reading device.--DWM