| 摘要 |
A sound-producing amusement or educational device, particularly a book, comprises a read-only memory having recorded therein digital data representing sounds characteristic of the amusement device, and a sound-producing unit for producing the sounds represented by the digital data recorded in the memory. The memory is in a separate unit attached to the book and includes connectors for connection to the sound-producing unit. The sound-producing unit is separate and distinct from the book and its memory unit, and includes mating connectors for removably attaching and electrically connecting the sound-producing unit to the memory unit, a battery for supplying power to both the sound-producing unit and the memory unit, and a speaker for producing the sounds represented by the data stored in the memory unit.
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