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| Number | Title | Issue Date |
| 7732695 | Playing cards for teaching music fundamentals A set of playing cards for teaching music fundamentals through the playing of traditional card games with the set of playing cards is provided. The set of playing cards is divided into a plurality of different card groups, each card group corresponding to a differen... | 06/08/2010 |
| 7270602 | Keyboard game program and keyboard game device A game program KGP for playing a game by operating a keyboard connected with a computer in response to a picture displayed on a monitor 9 has a procedure for detecting and computing number of keys (S2 through S9), for detecting and computing num... | 09/18/2007 |
| 7176371 | Algorithmic combo-instrument slide ruler for musical reference An algorithmic combo-instrument slide ruler comprising one common part working in cooperation with two interchangeable parts selected from separate multitudes of unique yet related parts. An opaque slidable combo-instrument tuning card is selected having thereon inf... | 02/13/2007 |
| 5998720 | Music teaching system and method A music teaching system is provided, comprising at least two musical instruments, each instrument having a mechanism for producing a musical note when the means is activated, each such mechanism being marked by a color corresponding to the particular musi... | 12/07/1999 |
| 4295407 | Keyboard simulation with vertical inversion indexes A teaching aid simplifies the understanding and practicing of the inversions of the major triads of the diatonic scale by utilizing a series of insert cards which slide into a simulated keyboard and read up vertically duplicate sets of the scale tones of ... | 10/20/1981 |
| 4254686 | Octave subdivided diatonic scale organizer The invention is in the field of musical learning and playing devices, and particularly relates to keyboard instruments. A plurality of cards are provided each of which defines a forward pocket and each of which spans an octave on the keyboard. These card... | 03/10/1981 |
| 4037511 | Teaching device for attachment to an organ A teaching device for use with an organ, supported on the upper keyboard, with timed motor means to move an apertured record sheet between a light source and fiber optic connectors which transmit light signals to the fiber optic ends located over keys of ... | 07/26/1977 |
