| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce electric power consumed in a process regarding reception by not receiving radio waves when a radio-controlled watch is under water. <P>SOLUTION: The radio-controlled watch 10 includes a clocking part 38 keeping the time, a reception part 20 receiving radio waves including time information and acquiring the time information from the received radio wave, a time correcting part 30 correcting the time clocked by the clocking part 38 on the basis of the time information acquired by the reception part 20, an underwater detection part 34 detecting that the radio-controlled watch 10 exists under water, and a reception control part 36 controlling reception operation of the reception part 20 in response to a result detected by the underwater detection part 34. In the reception control part 36, when the underwater detection part 34 detects existence under water, reception of the radio waves is stopped with respect to the reception part 20. <P>COPYRIGHT: (C)2010,JPO&INPIT |
