| 摘要 |
A musical toy is provided with a base member, a second member connected to the base member so as to form a substantially unobstructed space between the second member and the base member, a plurality of photoemitters for generating a plurality of radiation beams between the base member and the second member, a plurality of photodetectors for receiving the radiation beams, audio generation means for generating a plurality of musical sounds, and means for causing the audio generation means to generate one of the musical sounds in response to an interruption of one of the radiation beams.
|
