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Class Information
Number: 984/330
Name: Musical instruments > 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} > Details of electrophonic musical instruments {keyboards applicable also to other musical instruments subclasses 1+ and 50+} {g10h 1/00} > Selecting circuits {g10h 1/18}
Description:










Sub-classes under this class:

Class Number Class Name Patents
984/333 Channel-assigning means for polyphonic instruments {g10h 1/18d} 16
984/341 For automatically producing a series of tones {g10h 1/26} 82
984/340 For selecting plural preset register stops {g10h 1/24} 50
984/339 For suppressing tones; preference networks {g10h 1/22} 24
984/338 For transposition {g10h 1/20} 30
984/332 Key multiplexing {subclass 333 takes precedence} {g10h 1/18c} 65
984/331 Suppresion of switching-noise {g10h 1/18b} 12


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
4920848 Musical wear May. 1, 1990
4711148 Fractional range selectable musical tone generating apparatus Dec. 8, 1987
4685134 Multichannel computer generated sound synthesis system Aug. 4, 1987
4628789 Tone effect imparting device Dec. 16, 1986
RE32069 Device for detecting a key switch operation Jan. 21, 1986
4543869 Electronic musical instrument producing chord tones utilizing channel assignment Oct. 1, 1985
4503745 Musical instrument Mar. 12, 1985
4495846 Electronic musical instrument Jan. 29, 1985
4480519 Musical instrument with improved keyboard Nov. 6, 1984
4442747 Octave phase decoupling in an electronic musical instrument Apr. 17, 1984
4423655 Electronic transfer organ Jan. 3, 1984
4401005 Electronic keyboard-operated musical instrument Aug. 30, 1983
4380705 Digital semiconductor circuit Apr. 19, 1983
4373415 Electronic musical instrument Feb. 15, 1983
4366470 Converter Dec. 28, 1982
4348932 Musical instrument type-selecting system for an electronic musical instrument Sep. 14, 1982
4348928 Electronic musical instrument Sep. 14, 1982
4338849 Electronic transfer organ Jul. 13, 1982
4333376 Apparatus for reinforcing notes selected by more than one key Jun. 8, 1982
4326442 Electronic musical instruments with tone color selection Apr. 27, 1982
4305320 Selector switch Dec. 15, 1981
4296666 Solo sustain keyer system Oct. 27, 1981
4278001 Selective keyer biasing to enhance percussion effect Jul. 14, 1981
4263829 Trill performance circuit in electronic musical instrument Apr. 28, 1981
4238985 Electronic musical instrument Dec. 16, 1980
4238984 Electronic musical instrument Dec. 16, 1980
4216691 Octave assignment system for electronic musical instrument Aug. 12, 1980
4207792 Tri-state encoding circuit for electronic musical instrument Jun. 17, 1980
4198890 Keyboard system for musical instruments Apr. 22, 1980
4195545 Digital touch response circuit of electronic musical instrument Apr. 1, 1980
4191082 Key range dividing type electronic musical instrument Mar. 4, 1980
4170768 Key code generator Oct. 9, 1979
4148017 Device for detecting a key switch operation Apr. 3, 1979
4140039 Hand held synthesizer Feb. 20, 1979
4138917 Key code generator Feb. 13, 1979
4136595 Single bus keyboard Jan. 30, 1979
4121348 Touch-responsive circuit in electronic musical instrument Oct. 24, 1978
4117758 Binary word debouncer Oct. 3, 1978
4108037 Electronic organ having different selectable modes of playing the accompaniment keyboard Aug. 22, 1978
4080863 Electrostatic expression encoding apparatus for percussive keyboard instruments Mar. 28, 1978
4077293 Sample hold arrangement for a key signal in an electronic musical instrument Mar. 7, 1978
4073209 Method and circuitry for digital-analog frequency generation Feb. 14, 1978
4074233 Selection switch memory circuit Feb. 14, 1978
4059039 Electrical musical instrument with chord generation Nov. 22, 1977
4030398 Electronic musical instrument Jun. 21, 1977
4023113 Voltage controlled filter May. 10, 1977
4019417 Electrical musical instrument with chord generation Apr. 26, 1977
4016792 Monophonic electronic musical instrument Apr. 12, 1977
4015092 Multiple switch assembly for electrically operated instrument Mar. 29, 1977
3973255 Touch responsive keyboard apparatus Aug. 3, 1976

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