| 摘要 |
PROBLEM TO BE SOLVED: To update data at a working place by wireless by containing a card part which has a transferring means that transfers necessary job site information from an information transfer terminal in a card storing part which has a transmitting and receiving means in a freely attachable and detachable way. SOLUTION: A card part 100 which has a transferring means that transfers necessary job site information from an information transfer terminal is contained in a card storing part 200 in a freely attachable and detachable way. Data in a communication terminal 400 is downloaded to a memory part 201 of the part 200 by using a modem part 203 of the part 200. Also, the part 200 sends necessary data or a necessary command to the terminal 400. Therefore, data on a portable terminal is freely updated and preserved and information on a network is read. |
