Abstract: Provided is a digital doorlock system including a doorlock configured to transmit an iBeacon signal and reduce a period of Bluetooth connection when recognizing proximity of a user terminal and a touch or a press on a keypad, wherein the doorlock is wirelessly connected to the user terminal so that an opening/closing operation of the doorlock is controlled, a user application installed in the user terminal and configured to enter a state of being capable of controlling the doorlock upon receiving the iBeacon signal and control the opening/closing operation of the doorlock when wirelessly connected to the doorlock via the user terminal, and a management server configured to provide a password for controlling the opening/closing operation of the doorlock to the user application through user authentication.

Abstract: Provided is a digital doorlock system including a doorlock configured to transmit an iBeacon signal and reduce a period of Bluetooth connection when recognizing proximity of a user terminal and a touch or a press on a keypad, wherein the doorlock is wirelessly connected to the user terminal so that an opening/closing operation of the doorlock is controlled, a user application installed in the user terminal and configured to enter a state of being capable of controlling the doorlock upon receiving the iBeacon signal and control the opening/closing operation of the doorlock when wirelessly connected to the doorlock via the user terminal, and a management server configured to provide a password for controlling the opening/closing operation of the doorlock to the user application through user authentication.

Abstract: Provided is a comprehensive pipeline management system using an information recognition means, the system including an integrated management server configured to generate an information recognition code using a serial number of a product related to water and sewer pipelines, and process storage and transmission of information related to the product and mapped to the information recognition code, an information recognition code printing terminal configured to print the information recognition code in a form attachable to the product, a user terminal configured to recognize the information recognition code from the product to which the information recognition code is attached, receive the product-related information mapped to the information recognition code from the integrated management server, output the received product-related information, generate location information and time information on the product received through a Global Positioning System (GPS) satellite, and transmit the generated location infor

Abstract: Provided is a comprehensive pipeline management system using an information recognition means, the system including an integrated management server configured to generate an information recognition code using a serial number of a product related to water and sewer pipelines, and process storage and transmission of information related to the product and mapped to the information recognition code, an information recognition code printing terminal configured to print the information recognition code in a form attachable to the product, a user terminal configured to recognize the information recognition code from the product to which the information recognition code is attached, receive the product-related information mapped to the information recognition code from the integrated management server, output the received product-related information, generate location information and time information on the product received through a Global Positioning System (GPS) satellite, and transmit the generated location infor