| 摘要 |
<p>PCT No. PCT/EP93/02773 Sec. 371 Date Jun. 9, 1994 Sec. 102(e) Date Jun. 9, 1994 PCT Filed Oct. 8, 1993 PCT Pub. No. WO94/09453 PCT Pub. Date Apr. 28, 1994.A data processing system comprises a set of memory cards (10) and at least one central administration and processing unit (22). According to the invention, the memory cards and the processing unit together form a relational database. Each memory card contains a memory (28) for storing a set of instructions (A1, A2, . . . , An), each instruction containing a logical link with at least one other instruction. The system is applicable notably to pay-TV and other restricted access systems, for example in banking.</p> |
