Patent ID: 8494340

Claim:
An electronic device electronically connected with at least one digital video recorder, comprising: a memory system; one or more processors; and one or more programs stored in the memory system configured to be executed by the one or more processors, the one or more programs comprising: a set-up module to set up an electronic map for a monitor point tree, wherein each node of the monitor point tree is a monitor point and corresponds to one of the at least one digital video recorder, and to save the electronic map and the monitor point tree in a database stored in the memory system of the electronic device, the monitor points being maintained with a tree data-structure according to a hierarchy of a geographic location of the at least one digital video recorder; a generation module to generate an icon control component for a selected node of the monitor point tree in the electronic map, and to associate the icon control component with a click event of an input device electronically connected to the electronic device; a storage module to save an identifier (ID) of the icon control component and a position of the icon control component on the electronic map in the database; a surveillance module to connect to one of the at least one digital video recorder corresponding to the selected node via a communication network, in response to the click event; and a display module to control a display device of the electronic device to display the electronic map, the monitor point tree, the icon control component, and a video feed from the connected digital video recorder.