×

Position management system and position management program

  • US 7,557,703 B2
  • Filed: 07/10/2006
  • Issued: 07/07/2009
  • Est. Priority Date: 07/11/2005
  • Status: Active Grant
First Claim
Patent Images

1. A position management system comprising:

  • two or more types of detection tags provided to objects whose positions are to be detected, the type of detection tag is selectively provided in accordance with particular characteristics of each of the objects;

    detectors provided corresponding to the detection tags;

    wherein two or more types of the detectors are alternately arranged in grids with predetermined spaces in a ceiling of a detection space; and

    a position data processor, wherein the detection tags complement detection abilities with each other, wherein when a detector receives a signal from a detection tag provided to an object, the detector generates detection result data including a unique tag ID which is assigned to the detection tag and a device ID which is assigned to the detector, and wherein the position data processor processes the detection result data acquired from the detector and arrangement data of the detector in order to specify a position of the object.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×