Abstract: In an interactive communication system, one or more stations enter a scan mode to receive ID codes transmitted by wearable devices and transmit the ID codes to a server. The server receives the ID codes and transmits a command to one of the wearable devices via at least one of the stations. The one of the wearable devices receives the command via the at least one of the stations and transmits a feedback, in response to the command, to the server. The stations can detect signal strengths of the wearable devices. The server can determine a location of each of the wearable devices according to the ID codes and the signal strengths detected by the stations.

Abstract: An interactive communication system includes a wearable device and a network comprising a server and a plurality of base stations for serving the wearable device. The wearable device includes a sensing module, a wireless communication module and a microcontroller. The sensing module senses a position change of a user wearing the wearable device and generates a corresponding sensing signal. The wireless communication module sends a signal to the base stations. The microcontroller dynamically adjusts one of a frequency and a time interval of the sending of the signal from the wireless communication module to the base stations according to the sensing signal.

Abstract: In an interactive communication system, one or more stations enter a scan mode to receive ID codes transmitted by wearable devices and transmit the ID codes to a server. The server receives the ID codes and transmits a command to one of the wearable devices via at least one of the stations. The one of the wearable devices receives the command via the at least one of the stations and transmits a feedback, in response to the command, to the server. The stations can detect signal strengths of the wearable devices. The server can determine a location of each of the wearable devices according to the ID codes and the signal strengths detected by the stations.

Abstract: A method and a camera device that includes a proximity sensor that senses a current distance between a user and the camera device. The method and camera device acquires the current distance sensed by the proximity sensor, and triggers the camera device to take a photo of an object when the current distance is less than a preset distance of the camera device.

Abstract: A method and a camera device that includes a proximity sensor that senses a current distance between a user and the camera device. The method and camera device acquires the current distance sensed by the proximity sensor, and triggers the camera device to take a photo of an object when the current distance is less than a preset distance of the camera device.