| 摘要 |
The device includes a 1st controller for controlling the main body and possessing a 1st clock, a 2nd controller for controlling the main body and possessing a 2nd clock, a time information transmission means for transmitting the information of the 1st clock to the 2nd controller, a time information receiving means for receiving the information of the 1st clock from the 2nd controller, and a means for correcting the 2nd clock. |
