| 摘要 |
PROBLEM TO BE SOLVED: To confirm a time synchronization state of time slave equipment in time master equipment.SOLUTION: Time master equipment 1 comprises: a time information transmission part 11 which transmits time information of itself to time slave equipment 2 by broadcast; a time information reply request part 12 which transmits a reply request of the time information to the time slave equipment 2 by unicast; a time information comparison part 13 which compares the replied time information with the time information of itself; and a notification part 14 which notifies, when it is determined that there is deviation in the time information, a user of a fact, in which the time slave equipment 2 comprises: a time information setting part 21 which sets the replied time information as the time information of itself; a time information acquisition part 22 which acquires the time information of itself in response to a reply request of the transmitted time information; and a time information reply part 23 which replies the acquired time information to the time master equipment 1. |
