| 摘要 |
PURPOSE: A crime prevention door system using remote controller is provided to monitor opening/closing of a door without leave which is installed at an entrance of a house using a remote controller. CONSTITUTION: A user uses and carries a remote controller(10). A door opening/closing controller(12) receives a signal generated by an operation of the remote controller(10) and provides a control signal to a door lock(14) and a sensor(16) to perform door opening/closing and crime prevention mode change functions. The remote controller(10) includes door opening/closing switches for opening/closing a door at a general mode and a crime prevention mode selecting switch for selecting a crime prevention mode in order to perform opening/closing of the door without leave. When a door is opened, a house telephone(18) senses it and calls to an outside. An external mobile telephone terminal(20) receives and confirms an emergent communication.
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