| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that facilities and operations are required to gather information on the occurrence of an event and on the time of the occurrence of the event (e.g. the time of arrival at and departure from a job in a firm) when the event (e.g. the time of arrival at and departure from a job in a firm) occurs and a large sum of facility expenses are required, for this reason, in the case that the events on which information should be gathered occur in a lot of places. SOLUTION: A document 13 on which a bar-code 12A for proving the occurrence of the event is printed is placed at a site where the event occurs, a user 1 reads this bar-code 12A through the bar-code reader 3 of a cellar phone 2 and transmits it to an event information-recording center 4. The event information-recording center 4 records the received event and the time of the occurrence of the event as 'event occurrence information'. The recorded 'event occurrence information' is supplied according to a request from a group of firms 7. |
