| 摘要 |
PURPOSE: A digital door lock is provided to efficiently manage an entry-and-exit record by connecting a USB(Universal Serial Bus) to the administrator of a computer. CONSTITUTION: A door lock main body comprises a controller(11), a power supply unit(12), a wireless transceiver(15), a visitor information memory unit(16), a gate switching unit(17), and an entry-and-exit record storing unit(19). The controller decides the switching operation of a gate. The power supply unit supplies driving power to each component. The wireless transceiver receives a visitor ID signal through wireless telecommunication with a smart card. The visitor information memory unit stores the visitor ID information. The gate switching unit opens the gate according to a control signal of the controller. The entry-and-exit record storing unit stores an entry-and-exit record which includes the visitor ID and the times of the entry and exit.
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