Patent ID: 7751834

Claim:
An identification method using an intuitive real spatial aiming-based system, the intuitive real spatial aiming-based system including an aiming device including a mobile computer or a PDA, which is provided with first high-speed wireless communication means, a first location tracking sensor, and an electronic compass having a magneto resistive sensor for detecting a direction; target devices each including a fixed computer, a home appliance, a PDA, or a mobile communication terminal, which is selectively provided with second high-speed wireless communication means and a second location tracking sensor; and an indoor location-based service server for tracking indoor locations and coordinates of the aiming device and the target devices in real time, the identification method comprising the steps of: tracking by the indoor location-based system the coordinates of the aiming device and the target devices; setting by the aiming device a target region according to an aiming direction of the aiming device provided with the electronic compass having the magneto resistive sensor; wherein, detecting when a central axis in a direction in which the aiming device is oriented forms an x axis in a first angle, as the target region includes both an angle-based target region, defining as a region between two infinitely long straight lines that are spaced apart from the central axis by a second predetermined angle and formed in a fan shape, and a width-based region, which is defined as a region between two infinitely long parallel straight lines spaced apart from the central axis by a predetermined width; and searching by the aiming device for the target devices within the set target region, and identifying the target devices.