US 4,281,575 AGranted

Toy including a music playing device therein

AssigneeNanbu Industrial Co., Ltd.

InventorYoshifumi Nakamura

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Abstract

A toy including a music playing device therein capable of playing various musics by exchanging a removable rotary means. The toy comprises a toy body, an electronic musical scale generating means having a sound selecting means corresponding to the sounds composing the musical scale, a speaker, a rotary means rotatably and removably mounted in the toy body, a mechanism for turning the rotary means, and a means for operating the sound selecting means provided on the surface of the rotary means. The electronic musical scale generating means is adapted to produce electrical signals of the sounds corresponding to the sound selecting means upon operating the sound selecting means. The rotary means is disposed adjacently to the sound selecting means so that the means for operating the sound selecting means may operate the sound selecting means to play a predetermined music as the rotary is rotated.

Claims3

Dependent claims

A toy incuding a music playing device therein comprising:

a toy body;
electronic musical scale generating means mounted in said toy body and including sound selecting means corresponding to the sounds composing the musical scale so as to produce electrical signals of the sounds corresponding to said sound selecting means;
a speaker mounted in said toy body of regenerating the output of said musical scale generating means;
rotary means rotatably mounted in said toy body;
a mechanism for rotating said rotary means by means of a motor;
protrusions provided on the surface of said rotary means which act to operate selectively said sound selecting means to play a predetermined music piece through said musical scale generating means as said rotary means is rotated;
said rotary means including a cylindrical rotator formed by securely stacking a plurality of circular members in the axial direction thereof which is adapted to be detachably mounted in said toy body;
said protrusions being provided on the peripheral surface of each of said circular members integrally with the circular member.

5 more elements

Dependencies are inferred from the claim text.