| 984 / | HD | MUSICAL INSTRUMENTS |
| 300 | | ELECTRONIC MUSICAL INSTRUMENTS {structural combinations of microphones, pick-ups, or amplifiers with musical instruments subclasses 1+, 50+, and 100+; Instruments in which each note is generated by a different individually-actuated mechanical resonating structure and is amplified electrically subclasses 50+; Instruments in which each note is produced by a different electrically-vibrated sounding element subclasses 100+; Electronic circuits in general H03. {G10H} {4} |
| 301 | DD | .~> Details of electrophonic musical instruments {keyboards applicable also to other musical instruments subclasses 1+ and 50+} {G10H 1/00} {9} |
| 355 | DD | .~> Instruments in which the tones are generated by electromechanical means {G10H 3/00} {3} |
| 376 | DD | .~> Instruments in which the tones are generated by means of electronic generators {subclass 388 takes precedence} {G10H 5/00} {6} |
| 388 | DD | .~> Instruments in which the tones are synthesized from a data store, e.g., computer organs,etc. {synthesis of acoustic waves not specific to musical instruments G10K 15/02, G10L} {G10H 7/00} {4} |