| 摘要 |
PURPOSE: There are provided a finger print recognition electronic card key, a door opening/closing apparatus, an electronic card key managing system and a method of controlling entrance using these apparatuses, wherein the disclose of personal information is prevented since the part is not exposed to outside and the maintenance of a key is convenient even though a user of the key is frequently changed. CONSTITUTION: A finger print recognition electronic card key includes a finger print recognition unit(213) for recognizing finger prints, a key pad input unit(212), a display(211) for displaying input contents or operation status, a data transceiver(214) for transmission and reception of information to and from an external door opening/closing apparatus, a controller(210), a data storage(216) and a power supply(215). The data storage stores at least one reference information consisting of a key management code that is the unique number of the electronic card key, a manager finger print code corresponding to the finger print of at least one electronic card key manager, at least one entrance allowance door code used for recognizing a space used as the key, an initialization completion code and an input time information code, a user finger print code corresponding to the finger print of at least one user who has the card key and is allowed to enter, and entrance information including date and time at which the door is opened and closed and information on a user who opens and closes the door.
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