| 摘要 |
PCT No. PCT/FR85/00132 Sec. 371 Date Jan. 28, 1986 Sec. 102(e) Date Jan. 28, 1986 PCT Filed May 28, 1985 PCT Pub. No. WO85/05714 PCT Pub. Date Dec. 19, 1985.The invention relates to a method for marking products in relation with an organization commissioned to check this marking both from the point of view of authenticity of the printed message and from the point of view of the number of these messages which have actually been printed. The printer (A) connected to the packaging chain (C) receives the control instructions either directly from a terminal (B) located in the premises of the checking organization or by means of a memory card programmed by this organization and supplied by this latter to the user. Recording of the number of messages is carried out either directly at the level of the terminal (B) on the premises of the checking party or by means of the memory card which contains a predetermined number of messages. When the card has been utilized, the user acquires another card. The invention applies in particular to checking of affixing of inland revenue stamps and makes it possible to guard against fraud in an effective manner. |
