| 摘要 |
PURPOSE:To prevent conversation from being leaked to surrounding in the case of the conversation which uses a portable telephone set and to prevent leak of noise from the outside. CONSTITUTION:A foldable wall part 21 is provided to the communication equipment so as to cover the surrounding of a transmission section 15 and the wall 21 is stood upright at a right angle with respect to the transmission section 15 to be a U-shape thereby covering the surrounding of the transmission section 15.
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