Abstract: An access control system is described and includes a server, a controller for regulating the accessibility of an entrance, and a mobile device having an application for user to trigger an access authentication process, means for collecting biometric information of the user, and a BLUETOOTH module to establish a BLUETOOTH communication link between the mobile device and the controller. The controller includes a communication module for connecting the controller to the server and mobile device for receiving updates on user access credentials, an access module for activating/deactivating a barrier of entrance, and a microprocessor for verifying the received user access credentials, generating an door execution command, and uploading the entrance status to the server.

Abstract: A method for recording attendance using BLUETOOTH-enabled mobile devices comprising the steps in the sequence set forth: triggering (104, 105), by a logged-in user, a respective mobile device to detect for surrounding BLUETOOTH beacons, wherein different user account each is assigned with their respective list of BLUETOOTH beacons for triggering the attendance recording; comparing (106), by the respective mobile device, the detected list of BLUETOOTH beacons with the assigned list of BLUETOOTH beacons of the corresponding user account and only retrieves one or more BLUETOOTH beacon IDs from BLUETOOTH beacons that are assigned to the corresponding user account; and forwarding (107), by the respective mobile device, the retrieved BLUETOOTH beacon ID(s) together with a retrieval timestamp to an administrator server for generating an attendance record.

Abstract: An access control system is described and includes a server, a controller for regulating the accessibility of an entrance, and a mobile device having an application for user to trigger an access authentication process, means for collecting biometric information of the user, and a BLUETOOTH module to establish a BLUETOOTH communication link between the mobile device and the controller. The controller includes a communication module for connecting the controller to the server and mobile device for receiving updates on user access credentials, an access module for activating/deactivating a barrier of entrance, and a microprocessor for verifying the received user access credentials, generating an door execution command, and uploading the entrance status to the server.

Abstract: An alarm system including a plurality of alarm sensors, each having a BLUETOOTH module to establish communication link using a BLUETOOTH protocol to at least one neighbouring sensor in a way such that a BLUETOOTH Mesh Network is formed, and a controller connected to the BLUETOOTH Mesh Network, configured to monitor and manage the status of each alarm sensor and to trigger at least one alarm device based on the status of the alarm sensors, wherein the status data of each alarm sensor is transmitted to the controller, and vice versa, instructions of the controller are transmitted to at least one sensor via the BLUETOOTH Mesh Network.

Abstract: A control system for door lock includes a server, a controller linked to the server and a mobile device having an application for a user to trigger a door unlocking process, means for collecting biometric information of the user, a BLUETOOTH module to establish a BLUETOOTH communication link between the mobile device and the controller, and wherein the door unlocking process includes the mobile device performing a biometric authentication to verify the user and then transmitting an instruction to the controller via the BLUETOOTH link, and the controller, upon receiving the instruction, performs a second authentication to verify the user's accessibility and then unlock the door based on the outcomes of the authentications.