| 摘要 |
PROBLEM TO BE SOLVED: To surely exchange information between a robot and a human being by a vocal sound. SOLUTION: This human type robot R is provided with a speaker 32 for transmitting the vocal sound and a microphone 35 for receiving the vocal sound. The speaker 32 transmits the vocal sound by using the outer surface of the head 12 of the robot as a vibration body, and its transmission range of the vocal sound covers a region from the upper side in the vertical direction passing the head 12 to 33 deg. lower than its horizontal direction in the entire horizontal region. The microphone 35 has a receiving range of 100 deg., and is disposed in the vertical plane extending frontward and backward passing the head 12 and outside the transmission range of the vocal sound. The speaker 32 is formed with a flat speaker and mounted to the inside surface in the vicinity of the top part of the outer surface of the head 12.
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