| 摘要 |
PURPOSE:To reduce the burden of a host computer, and control a gate device efficiently. CONSTITUTION:IC cards 1 are read by being inserted into a sub gate device 2 or a host gate device 3. The sub-gate devices 2 or the host gate devices 3 are designed to control how to lock and unlock each of entrance electric locks 4. On the other hand, one sub-gate device and or a plurality of sub-gate devices 2 are installed to one host gate device 3 on one floor. Entrance processing is carried out between the host gate device 3 and one sub-gate device 2 and or a plurality of sub-gate devices 2. If it is required, transmission and receiving of a host computer 5 is executed by the host gate device 3 which includes the processing of one sub-gate device 2 and a plurality of sub-gate devices 2 installed. |
