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Class Information
Number: 84/647
Name: Music > Instruments > Electrical musical tone generation > Digital combinational circuit
Description: Subject matter wherein binary inputs are provided to digital combinational circuit to produce musical tone.










Sub-classes under this class:

Class Number Class Name Patents
84/666 Accompaniment 97
84/670 Constructional details 70
84/662 Expression or special effects 177
84/649 Note sequence 401
84/653 Selecting circuits 312
84/659 Tone synthesis or timbre control 290
84/648 With frequency multiplication or division 76


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8487174 Method of instructing an audience to create spontaneous music Jul. 16, 2013
8383924 Musical tone signal generating apparatus Feb. 26, 2013
8373056 Waveform generation apparatus and waveform generation program Feb. 12, 2013
8119898 Method of instructing an audience to create spontaneous music Feb. 21, 2012
7700865 Method and system for music program selection Apr. 20, 2010
7642446 Music system for transmitting enciphered music data, music data source and music producer incorporated therein Jan. 5, 2010
7626113 Tone data generation method and tone synthesis method, and apparatus therefor Dec. 1, 2009
7551161 Fluid user interface such as immersive multimediator or input/output device with one or more spray jets Jun. 23, 2009
7525034 Method and apparatus for image interpretation into sound Apr. 28, 2009
7365260 Apparatus and method for reproducing voice in synchronism with music piece Apr. 29, 2008
7081583 Digitally controllable oscillator Jul. 25, 2006
6956160 Tone generator apparatus sharing parameters among channels Oct. 18, 2005
6640257 System and method for audio control Oct. 28, 2003
6157976 PCI-PCI bridge and PCI-bus audio accelerator integrated circuit Dec. 5, 2000
5756915 Electronic musical instrument having a search function and a replace function May. 26, 1998
5721476 Control circuit for lamps with a melody output Feb. 24, 1998
5581045 Method and integrated circuit for the flexible combination of four operators in sound synthesis Dec. 3, 1996
5578779 Method and integrated circuit for electronic waveform generation of voiced audio tones Nov. 26, 1996
5245128 Controller for a musical effects unit Sep. 14, 1993
5200565 Musical tone synthesizing apparatus having improved processing operation Apr. 6, 1993
5060179 Mathematical function-generating device for electronic musical instruments Oct. 22, 1991
4957032 Apparatus for realizing variable key scaling in electronic musical instrument Sep. 18, 1990
4936185 Electronic musical instrument having plural component blocks Jun. 26, 1990
4711148 Fractional range selectable musical tone generating apparatus Dec. 8, 1987
4700604 Music playing system Oct. 20, 1987
4662261 Electronic musical instrument with autoplay function May. 5, 1987
4644840 Electronic keyboard musical instrument and a method of operating the same Feb. 24, 1987
4630520 Guitar controller for a music synthesizer Dec. 23, 1986
4570521 Electronic musical instrument with string-simulating switches Feb. 18, 1986
4526078 Interactive music composition and performance system Jul. 2, 1985
4479411 Tone signal generating apparatus of electronic musical instruments Oct. 30, 1984
4475430 Differential sampling circuit for improving signal to noise ratio in an electronic organ having multiplexed keying Oct. 9, 1984
4468997 Fretboard to synthesizer interface apparatus Sep. 4, 1984
4437377 Digital electronic musical instrument Mar. 20, 1984
4412470 System for communicating data among microcomputers in an electronic musical instrument Nov. 1, 1983
4409876 Electronic musical instrument forming tone waveforms Oct. 18, 1983
4386550 Optically coupled decorative light controller Jun. 7, 1983
4384504 Method of and apparatus for phase synchronization of digitally synthesized signals May. 24, 1983
4345500 High resolution musical note oscillator and instrument that includes the note oscillator Aug. 24, 1982
RE31004 Electronic musical instrument utilizing data processing system Aug. 3, 1982
4336734 Digital high speed guitar synthesizer Jun. 29, 1982
4333159 Combination shift register, counter and memory device Jun. 1, 1982
4279185 Electronic music sampling techniques Jul. 21, 1981
4269101 Apparatus for generating the complement of a floating point binary number May. 26, 1981
4250788 Register arrangement for electronic musical instruments Feb. 17, 1981
4246822 Data transfer apparatus for digital polyphonic tone synthesizer Jan. 27, 1981
4217802 Polyphonic digital synthesizer Aug. 19, 1980
4207792 Tri-state encoding circuit for electronic musical instrument Jun. 17, 1980
4196651 Non-redundant generator unlocking Apr. 8, 1980
4186638 Keyboard device for an electronic musical instrument Feb. 5, 1980

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