| 摘要 |
PURPOSE: To improve the interior property of a wireless signal receiver consisting of an infrared-ray means or the like. CONSTITUTION: In the wireless receiver provided with a device body having a penetration part 1a penetrated into a through hole formed on a ceiling material and a regulation part 1b having a cross-sectional area larger than that of the through hole to regulate the penetration part 1a so as not to be slipped out from the hole and a wireless signal receiving part 2 fixed to the device body under the ceiling material, the regulation part 1b is arranged on the upper side of the ceiling material. |
