| 摘要 |
PROBLEM TO BE SOLVED: To achieve power saving of an information transmitter to be carried by preventing useless registration of a destination floor and corresponding even to a change in the destination floor.SOLUTION: An elevator system includes: an instruction device 500 installed in an entrance of an elevator hall or a path reaching the elevator hall; an authentication device 700 installed in the elevator hall to perform transmission and reception to/from a control device 100; and an information terminal device 400 which has a first communication part 401 for communicating with the instruction device 500, a second communication device 402 for communicating with the authentication device 700, and a communication processing program for establishing communication between the authentication device 700 and the second communication part 402 and is carried by a user. In the case that the first communication part 401 starts communication between the instruction device 500 and the information terminal device 400, the communication processing program is started, and the second communication part 402 performs communication between the information terminal device 400 and the authentication device 700. |
