Details of electrophonic musical instruments

GPHYSICS G10Musical instruments G10HELECTROPHONIC MUSICAL INSTRUMENTS

G10H1/00Details of electrophonic musical instruments

G10H1/0008Associated control or indicating means G10H1/0016Means for indicating which keys, frets or strings are to be actuated G10H1/0025Automatic or semi-automatic music composition G10H1/0033Recording/reproducing or transmission of music for electrophonic musical instruments G10H1/0041in coded form G10H1/005on magnetic tape G10H1/0058Transmission between separate instruments or between individual components of a musical system G10H1/0066using a MIDI interface G10H1/0075with translation or conversion means for unvailable commands G10H1/0083using wireless transmission G10H1/0091Means for obtaining special acoustic effects G10H1/02Means for controlling the tone frequencies G10H1/04by additional modulation G10H1/043Continuous modulation G10H1/045by electromechanical means G10H1/047by acousto-mechanical means G10H1/053during execution only G10H1/0535by switches incorporating a mechanical vibrator, the envelope of the mechanical vibration being used as modulating signal G10H1/055by switches with variable impedance elements G10H1/0551using variable capacitors G10H1/0553using optical or light-responsive means G10H1/0555using magnetic or electromagnetic means G10H1/0556using piezo-electric means G10H1/0558using variable resistors G10H1/057by envelope-forming circuits G10H1/0575using a data store from which the envelope is synthesized G10H1/06Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour G10H1/08by combining tones G10H1/10for obtaining chorus, celeste or ensemble effects G10H1/12by filtering complex waveforms G10H1/125using a digital filter G10H1/14during execution G10H1/16by non-linear elements G10H1/18Selecting circuits G10H1/181Suppression of switching-noise G10H1/182Key multiplexing G10H1/183Channel-assigning means for polyphonic instruments G10H1/185associated with key multiplexing G10H1/186Microprocessor-controlled keyboard and assigning means G10H1/187using multiplexed channel processors G10H1/188with means to assign more than one channel to any single key G10H1/20for transposition G10H1/22for suppressing tones Preference networks G10H1/24for selecting plural preset register stops G10H1/26for automatically producing a series of tones G10H1/28to produce arpeggios G10H1/30to reiteratively sound two tones G10H1/32Constructional details G10H1/34Switch arrangements G10H1/342for guitar-like instruments with or without strings and with a neck on which switches or string-fret contacts are used to detect the notes being played G10H1/344Structural association with individual keys G10H1/346Keys with an arrangement for simulating the feeling of a piano key G10H1/348Switches actuated by parts of the body other than the fingers G10H1/36Accompaniment arrangements G10H1/361Recording/reproducing of accompaniment for use with an external source G10H1/363using optical disks G10H1/365the accompaniment information being stored on a host computer and transmitted to a reproducing terminal by means of a network G10H1/366with means for modifying or correcting the external signal G10H1/368displaying animated or moving pictures synchronized with the music or audio part G10H1/38Chord G10H1/383Chord detection and/or recognition G10H1/386One-finger or one-key chord systems G10H1/40Rhythm G10H1/42comprising tone forming circuits G10H1/44Tuning means G10H1/46Volume control