| 摘要 |
PROBLEM TO BE SOLVED: To reduce cost concerning the sending of a non-contact data transmitter-receiver and simplify a sending work by a method wherein the sending of the non-contact data transmitter-receiver in a postcard style is realized. SOLUTION: On the opposing surface 2a of one paper piece 2 between a pair of the paper pieces 2 and 3 opposing to each other when being piled up, the non-contact data transmitter-receiver 9 consisting of an antenna 7 provided on the opposing surface 2a and an IC tip mounted to the antenna 7 is arranged under the constitution that the non-contact data transmitter-receiver 9 is concealed by being piled up to the other paper piece 3. |
