| 984 / | HD | MUSICAL INSTRUMENTS |
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| 300 | DD | 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} |
| 355 | DD | .~ Instruments in which the tones are generated by electromechanical means {G10H 3/00} {3} |
| 362 | DD | .~.~ Using mechanical resonant generators, e.g., strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument {G10H 3/12} {3} |
| 363 |  | .~.~.~ Using mechanically actuated vibrators with pick-up means {G10H 3/14} {5} |
| 364 | DD | .~.~.~.~> Characterized by the use of a piezo-electric or magneto-strictive transducer {piezo- electric or magneto-strictive transducers in general, e.g., microphones H04R 15/00, 17/00, etc.} {G10H 3/14B} |
| 365 | DD | .~.~.~.~> Using a membrane, e.g., a drum, etc.; Pick-up means for vibrating surfaces, e.g, housing of an instrument, etc. {G10H 3/14D} |
| 366 | DD | .~.~.~.~> Using a reed {G10H 3/16} |
| 367 | DD | .~.~.~.~> Using a string, e.g., electric guitar, etc. {mechanical features subclass 107} {G10H 3/18} {4} |
| 372 | DD | .~.~.~.~> Using a tuning fork, rod, or tube {G10H 3/20} |