| 摘要 |
A door access control method and device is provided for identifying a passer with a fingerprint that remains unchanged through life and makes each person different or recognizable and allowing the door to be opened only by an authorized person. The present invention has at least one outdoor unit provided in the exterior side of each door and at least one indoor unit integrally associated with the outdoor unit and provided in the interior side of the door and/or in an access control site, the outdoor unit preliminarily storing the IDs and the fingerprints of a master, a sub master and authorized persons, comparing the ID and the fingerprint of a passer with the stored IDs and fingerprints in order to determine whether the passer is the master, the sub master or an authorized person, and sending the opening signal to the indoor unit when the passer is verified as an authorized person, then the indoor unit opening the door as requested by the outdoor unit, as a result of which the indoor unit does not allow the door open to an unauthorized person who attempts to open the door by disassembling the outdoor unit. Furthermore, the present invention stores the video information about the unauthorized person for using purpose in the later identification of a suspect, thereby assisting scientific investigation, automatically informs the managers of an emergent situation in communication with a burglar alarm device and provides initial repression of a criminal, for example, by spouting a gas. |
