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Browse by Category: Main > Entertainment & Recreation
Class Information
Number: 84/474
Name: Music > Accessories > Teaching devices > Charts or boards > With transposing dial
Description: Similar devices having a dial.










Patents under this class:

Patent Number Title Of Patent Date Issued
8455747 Musical learning aid Jun. 4, 2013
8207435 Music teaching tool for steel pan and drum players and associated methods Jun. 26, 2012
8163992 Electronic input device for use with steel pans and associated methods Apr. 24, 2012
8018459 Calibration of transmission system using tonal visualization components Sep. 13, 2011
7799983 Music teaching tool for steel pan and drum players and associated methods Sep. 21, 2010
7176371 Algorithmic combo-instrument slide ruler for musical reference Feb. 13, 2007
7141731 Music learning aid Nov. 28, 2006
6841724 Method and system of studying music theory Jan. 11, 2005
6245981 Musical key transposer Jun. 12, 2001
6232538 System and method for determining music modulation May. 15, 2001
6031172 Music teaching aid Feb. 29, 2000
5824931 Electronic information aid Oct. 20, 1998
5709552 Music education aid Jan. 20, 1998
D356330 Music transposer Mar. 14, 1995
5320020 Musical scale and chord display cards Jun. 14, 1994
5173566 Apparatus for rapid reference to musical scales Dec. 22, 1992
5113739 Musical calculator May. 19, 1992
4984494 Tuning pen Jan. 15, 1991
4961362 Chord key calculator assembly Oct. 9, 1990
4887507 Music teaching device Dec. 19, 1989
4716806 Musical indicating apparatus Jan. 5, 1988
4671159 Chord key for musical instruments Jun. 9, 1987
4664010 Method and device for transforming musical notes May. 12, 1987
4552052 Modulation rule Nov. 12, 1985
4503748 Chord display device for fretted string instrument Mar. 12, 1985
4317404 Musical rhythm pattern generator Mar. 2, 1982
4305323 Harmonic conversion wheel Dec. 15, 1981
4134326 Device for computing musical relationships Jan. 16, 1979
4069736 Music learning device Jan. 24, 1978
4069735 Music teaching and computation device Jan. 24, 1978
4037518 Musical chord and note calculator Jul. 26, 1977
4002097 Chord progression selector Jan. 11, 1977
3977293 Left hand chord locator Aug. 31, 1976
3969973 Devices for selective display of information Jul. 20, 1976
3960046 Music teaching device Jun. 1, 1976











 
 
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