| 摘要 |
A remote controller using the Morse code is provided to solve a problem that a user has a difficulty in finding a remote controller after putting it at an arbitrary position. A microphone(3) and a speaker is added to a remote controller to sense a sound or make a sound. The remote controller is continuously turned on and analyzes a sound sensed by the microphone(3) to detect a specific sound such as two times of hand clapping. When the two times of hand clapping are sensed, a simple sound is generated from the speaker.
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