| 摘要 |
<p>The operating system comprises a plurality of portable objects (1, 2) of which several may be presented simultaneously before a fixed terminal (17) of an operating device. The invention relates to an operating method and the system using such method wherein the connection between the portable objects is achieved by bidirectional infrared radiation, implementing coding to reduce the electrical consumption of the portable objects, and with a logical path assignment protocol enabling a plurality of portable objects to dialogue or communicate at the same time with the fixed terminal. Application to contact-free smart cards.</p> |
