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} |
301 | DD | .~ Details of electrophonic musical instruments {keyboards applicable also to other musical instruments subclasses 1+ and 50+} {G10H 1/00} {9} |
330 | DD | .~.~ Selecting circuits {G10H 1/18} {7} |
333 | | .~.~.~ Channel-assigning means for polyphonic instruments {G10H 1/18D} {3} |
334 | DD | .~.~.~.~> Associated with key multiplexing {G10H 1/18D2} {1} |
336 | DD | .~.~.~.~> Using multiplexed channel processors {subclass 334 takes precedence} {G10H 1/18D3} |
337 | DD | .~.~.~.~> With means to assign more than one channel to any single key {G10H 1/18D4} |