| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve a function of a load-control switch installed in a building material of a building in which a radio signal can be received at an accurate frequency with an easy work by a user. <P>SOLUTION: The load-control switch comprises a radio signal transmission/reception circuit 45 for receiving a radio signal, a switching module 3 for controlling a load according to the radio signal, a temperature detection part 8 for detecting a temperature in the vicinity of the switching module 3 or the radio signal transmission/reception circuit 45, and a frequency correction circuit 79 for correcting a reception frequency. The frequency correction circuit 79 adjusts a local oscillation frequency f<SB POS="POST">LO</SB>of a local oscillator 78 to correct the reception frequency of the radio signal transmission/reception circuit 45 on the basis of the temperature detected by the temperature detection part 8. <P>COPYRIGHT: (C)2013,JPO&INPIT |
