| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To confirm a level of field intensity in transmitting and receiving of radio communication with a simple constitution by a directionality switching antenna and a direction detecting means, in installing an electric appliance and heating appliance. <P>SOLUTION: The antenna disposed on an air supply louver of an air conditioner is directed to the direction of high level of field intensity, thus it becomes unnecessary to adjust the direction of the antenna when the level of field intensity in transmitting and receiving becomes lower than a specific value, and convenience can be improved while minimizing increase of costs by using the air supply louver which is originally movable. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
