1987-10-14
1989-06-06
Grimley, A. T.
Music
Instruments
84 952, 84DIG7, 200 6152, 446397, 446409, 446485, G10H 100, G10H 134, G10H 504
Patent
active
048360759
ABSTRACT:
The present invention relates to an improved musical cube. The cube includes circuitry mounted within its cubical housing with the circuitry including three two-axis switches with each such switch having a central open position and two positions, one to either side of the central position, each side position of which closes a particular unique sub-circuit. The three switches are mounted in the housing in mutually perpendicular relation and the switches combine to control the operation of six sub-circuits. In the operation of the improved musical cube, a read-only memory and synthesizer device are incorporated into a circuit with the read-only memory being pre-programmed with a distinct musical sequence for each of the six sub-circuits. When the cube is rolled or thrown, as each particular face of the housing thereof faces upwardly, a corresponding one of the six sub-circuits is closed by virtue of one of the sides of one of the three two-axis switches, thereby resulting in activation of a particular sub-circuit and the resulting playing of a predetermined tone burst followed by a predetermined melody. If the cube is rolled rapidly, only the tone bursts of the particular faces are played and, when a particular face faces upwardly, the entire melodic sequence will be played and, after a predetermined time period, the device will be deactivated.
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Grimley A. T.
Smith John G.
Stone Rose Limited
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