| 摘要 |
PROBLEM TO BE SOLVED: To enable the bearer of the medium to poll through a communication terminal by giving a polling quantity to the medium which is given a communication frequency. SOLUTION: An administration center gives the medium such as a card various records of the number and amount of the medium, a number for communication with the center, etc., in a visible and an invisible state selectively with codes, symbols, etc., in addition to numbers. When the medium is received from a ticket issue office or selling office, the office number, year, month, day, hours, minutes, seconds, customer number, and other characteristic numbers are sent to the center. The user of the medium uses this medium for a communication terminal such as a telephone terminal and a private terminal using this medium. The center is accessed automatically or manually. polling is done in one or two directions by questioning, answering, confirmation, etc., at need with an image or speech, a sign, a signal, etc. The polling contents are recorded at the center. |
