| 摘要 |
PROBLEM TO BE SOLVED: To improve the accuracy of internal clock of a remote control.SOLUTION: A remote control device includes a second communication unit 82 for acquiring second time information from an electric clock unit for measuring a time on the basis of the frequency of commercial power, a third communication unit 83 for acquiring first time information from an external device through a communication network, and a time control unit 80e for correcting the time of an internal clock unit 86 on the basis of the first time information or second time information. |
