US PATENT SUBCLASS 984 / 301
.~ Details of electrophonic musical instruments {keyboards applicable also to other musical instruments subclasses 1+ and 50+} {G10H 1/00}


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.~ Details of electrophonic musical instruments {keyboards applicable also to other musical instruments subclasses 1+ and 50+} {G10H 1/00} {9}
302  DD  .~.~> Associated control or indicating means {teaching of music, per se, {G09B 15/00} {G10H 1/00M}
303  DD  .~.~> Recording/reproducing or transmission of music for electrophonic musical instruments {G10H 1/00R} {1}
308  DD  .~.~> Means for obtaining special acoustic effects {combined with modulation subclasses 311+} {G10H 1/00S}
309  DD  .~.~> Means for controlling the tone frequencies, e.g., attack, decay, etc.; Means for producing special musical effects, e.g., vibrato, glissado {for instruments using voltage controlled oscillators and amplifiers or voltage controlled oscillations and filters, etc., see subclass 381} {G10H 1/02} {2}
330  DD  .~.~> Selecting circuits {G10H 1/18} {7}
344  DD  .~.~> Constructional details {G10H 1/32} {1}
347  DD  .~.~> Accompaniment arrangements {G10H 1/36} {2}
353  DD  .~.~> Tuning means {G10H 1/44}
354  DD  .~.~> Volume control {G10H 1/46}