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Class Information
Number: 84/DIG.1
Name: Music > Plural speakers

Patents under this class:

Patent Number Title Of Patent Date Issued
6919503 Musical tone generation control system, musical tone generation control method, and program for implementing the method Jul. 19, 2005
6916980 Acoustic control system for electronic musical instrument Jul. 12, 2005
RE38276 Tone generating apparatus for sound imaging Oct. 21, 2003
6399868 Sound effect generator and audio system Jun. 4, 2002
6392136 Musical tone generation structure of electronic musical instrument May. 21, 2002
6127618 Karaoke apparatus improving separation between microphone signal and microphone sound effect signal Oct. 3, 2000
5814752 Musical instrument crossover circuits and method of using same Sep. 29, 1998
5789693 Loudspeaker system for electronic piano Aug. 4, 1998
5741992 Musical apparatus creating chorus sound to accompany live vocal sound Apr. 21, 1998
5543579 Effector Aug. 6, 1996
5521330 Sound control device and method for uniformly shifting the phase of sound data May. 28, 1996
5369224 Electronic musical instrument producing pitch-dependent stereo sound Nov. 29, 1994
5313014 Electronic musical instrument having sound image localization circuit May. 17, 1994
5198604 Resonant effect apparatus for electronic musical instrument Mar. 30, 1993
5192824 Electronic musical instrument having multiple operation modes Mar. 9, 1993
5153362 Electronic musical instrument having pan control function Oct. 6, 1992
5127306 Apparatus for applying panning effects to musical tone signals and for periodically moving a location of sound image Jul. 7, 1992
5086686 Keyboard instrument Feb. 11, 1992
5027687 Sound field control device Jul. 2, 1991
5027689 Musical tone generating apparatus Jul. 2, 1991
4998960 Music synthesizer Mar. 12, 1991
4685134 Multichannel computer generated sound synthesis system Aug. 4, 1987
4622878 Stereophonic system for electronic organs Nov. 18, 1986
4614144 Music card system Sep. 30, 1986
4413544 Single channel string ensemble sound system for an electronic musical instrument Nov. 8, 1983
4347405 Sound reproducing systems utilizing acoustic processing unit Aug. 31, 1982
4338849 Electronic transfer organ Jul. 13, 1982
4329902 Electronic method and apparatus for modifying musical sound May. 18, 1982
4189971 Electronic musical instrument system having independent tone cabinet Feb. 26, 1980
4134323 Spatially separated tonal effects for an electronic musical instrument Jan. 16, 1979
4084474 Selective high frequency compression device for speaker system Apr. 18, 1978
4080861 Chorus control for electronic musical instrument Mar. 28, 1978
4058045 Piano with sound-enhancing system Nov. 15, 1977
4038898 System for producing chorus effect Aug. 2, 1977
4010668 Polysonic electronic system for a musical instrument and methods of utilizing and constructing same Mar. 8, 1977
4008641 Device for modulating a musical tone signal to produce a rotating sound effect Feb. 22, 1977

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