US PATENT SUBCLASS 984 / 349
.~.~.~.~ Chord detection and/or recognition, e.g., for correction, etc., or automatic bass generation {G10H 1/38B}


Current as of: June, 1999
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984 /   HD   MUSICAL INSTRUMENTS

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}
347  DD  .~.~ Accompaniment arrangements {G10H 1/36} {2}
348  DD  .~.~.~ Chord {G10H 1/38} {2}
349.~.~.~.~ Chord detection and/or recognition, e.g., for correction, etc., or automatic bass generation {G10H 1/38B}