| 摘要 |
The invention is a radio/karaoke device that consists of a mechanical apparatus featuring one or more characters on it. Such characters may be animals or people. The characters' mouths are linked to a system of transmission that consists of a spring, motor, and oscillating strip. A string attaches the oscillating strip to the motor. When the "motion" function is selected by means of the function switch on the apparatus, the driving circuit inside the mechanical apparatus picks up the frequency of the sound of the radio. Then it causes the motor to rotate at intervals, leading to the characters' periodic mouth movement in synchronization with the sounds of the music. Such movement enhances the entertainment value of the karaoke-singing or radio-listening experience.
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