Ten issued U.S. patents describe Q-Track’s NFER® technology and applications: - 8,018,383 Method and apparatus for determining location using signals-of-opportunity
- 7,957,833 Asset localization identification and movement system and method
- 7,859,452 Near field electromagnetic calibration system
- 7,755,552 Space efficient magnetic antenna system
- 7,592,949 Near field electromagnetic positioning calibration system and method
- 7,538,715 Electromagnetic location and display system and method
- 7,414,571 Low frequency asset tag tracking system and method
- 7,307,595 Near field location system and method
- 7,298,314 Near field electromagnetic positioning system and method
- 6,963,301 System and method for near-field electromagnetic ranging
Six published U.S. patent applications further describe Q-Track’s NFER® technology and applications:- 2012/0025977 Firefighter Location and Rescue Equipment
- 2012/0023572 Malicious Attack Response System and Associated Method
- 2012/0007787 Planar Loop Antenna System
- 2011/0315765 Inventory control system and method
- 2011/0148714 Near Field Electromagnetic Location System and Method
- 2010/0277387 Space Efficient Magnetic Antenna Method
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