US Patent No: 5,646,525

Number of patents in Portfolio can not be more than 2000

Three dimensional tracking system employing a rotating field

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Abstract

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Apparatus for determining the position and orientation of a helmet worn by a crew member in a vehicle including a generator, associated with the vehicle, which produces a rotating magnetic and electric field of fixed strength, orientation and frequency within at least a portion of the vehicle. The apparatus also includes a plurality of detectors each of which generates a signal proportional to at least one of the electric or magnetic fields at least one point associated with the helmet and calculation circuitry responsive to the signal for ascertaining the coordinates of the at least one point with respect to the generator and for determining the position and orientation of the helmet.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ELBIT SYSTEMS LTD.HAIFA66

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gilboa, Pinhas Haifa, IL 61 1831

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Honeywell Inc. (3)
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4,394,831 Helmet metal mass compensation for helmet-mounted sighting system 40 1981
4,829,250 Magnetic direction finding device with improved accuracy 48 1988
 
BAE SYSTEMS PLC (1)
4,849,692 Device for quantitatively measuring the relative position and orientation of two bodies in the presence of metals utilizing direct current magnetic fields 325 1986
 
BRITISH GAS PLC., RIVERMILL HOUSE (1)
5,002,137 Moling system 56 1989
 
GAS RESEARCH INSTITUTE (1)
4,812,812 Apparatus and method for determining the position and orientation of a remote object 52 1987
 
Kaiser Aerospace & Electronics Corporation (1)
4,314,251 Remote object position and orientation locater 257 1979
 
Other [Check patent profile for assignment information] (1)
4,560,930 Distance-measuring system using orthogonal magnetic field generators and orthogonal magnetic field sensors 48 1983

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
MERLIN TECHNOLOGY, INC. (8)
7,425,829 Tracking positions of personnel, vehicles, and inanimate objects 4 2004
7,570,060 Tracking positions of personnel, vehicles, and inanimate objects 3 2008
7,772,849 Tracking positions of personnel, vehicles, and inanimate objects 2 2009
8,381,836 Advanced underground homing system, apparatus and method 0 2010
8,659,298 Advanced steering tool system, method and apparatus 0 2010
7,859,249 Tracking positions of personnel, vehicles, and inanimate objects 2 2010
7,960,973 Tracking positions of personnel, vehicles, and inanimate objects 0 2010
8,686,731 Tracking positions of personnel, vehicles, and inanimate objects 0 2011
 
MEDIGUIDE LTD. (6)
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7,778,688 System and method for delivering a stent to a selected position within a lumen 14 2004
8,442,618 Method and system for delivering a medical device to a selected position within a lumen 2 2005
7,840,252 Method and system for determining a three dimensional representation of a tubular organ 1 2005
7,697,973 Medical imaging and navigation system 13 2007
8,862,204 Reducing mechanical stress on conductors and connection points in a position determinable interventional medical device 0 2010
 
COVIDIEN LP (5)
6,188,355 Wireless six-degree-of-freedom locator 75 1998
6,615,155 Object tracking using a single sensor or a pair of sensors 72 2001
8,473,032 Feature-based registration method 0 2009
8,467,589 Hybrid registration method 0 2011
8,452,068 Hybrid registration method 0 2011
 
PHILIPS ELECTRONICS LTD (5)
7,805,269 Device and method for ensuring the accuracy of a tracking device in a volume 4 2005
7,751,868 Integrated skin-mounted multifunction device for use in image-guided surgery 8 2005
8,611,983 Method and apparatus for guiding an instrument to a target in the lung 1 2006
7,840,254 Electromagnetically tracked K-wire device 16 2006
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The Boeing Company (5)
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POWER SURVEY LLC (4)
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8,536,856 Apparatus and method for monitoring and controlling detection of stray voltage anomalies 0 2012
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8,482,274 Apparatus and method for monitoring and controlling detection of stray voltage anomalies 0 2012
 
SIEMENS AKTIENGESELLSCHAFT (4)
7,734,009 Angiographic x-ray diagnostic device for rotation angiography 3 2005
8,548,567 System for performing and monitoring minimally invasive interventions 1 2006
8,447,078 X-ray diagnostic device 0 2007
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ELBIT SYSTEMS LTD. (2)
7,542,869 Electromagnetic tracker 5 2005
8,700,376 System and a method for mapping a magnetic field 0 2009
 
NEMOR PROPERTIES LLC (2)
6,735,263 Digital coherent envelope demodulation of FDMA signals 5 2000
6,711,215 Electrical circuit for crosstalk reduction 1 2000
 
RAYTHEON COMPANY (2)
8,018,382 Positioning system and method 2 2006
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3D Sensor ApS (1)
6,469,501 Conductive system for measuring the linear and angular positions of one object relative to another 1 2000
 
CARESTREAM HEALTH, INC. (1)
8,821,015 Alignment apparatus for X-ray imaging system 0 2011
 
DEKA PRODUCTS LIMITED PARTNERSHIP (1)
8,275,147 Selective shaping of communication signals 0 2005
 
GENERAL ELECTRIC COMPANY (1)
7,902,817 Electromagnetic tracking method and system 0 2007
 
MARTIN TECHNOLOGIES, INC. (1)
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Power Survey Company (1)
7,248,054 Apparatus and method for detecting an electric field 3 2005
 
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RAFAEL-ARMAMENT DEVELOPMENT AUTHORITY LTD. (1)
6,667,694 Gaze-actuated information system 5 2001
 
THALES (1)
7,285,951 Method and device for magnetic measurement of the position and orientation of a mobile object relative to a fixed structure 1 2002
 
The Johns Hopkins University (1)
6,789,043 Magnetic sensor system for fast-response, high resolution, high accuracy, three-dimensional position measurements 8 1999
 
UNITED STATES OF AMERICA, THE (1)
7,722,565 Access system 12 2005
 
Other [Check patent profile for assignment information] (2)
5,955,879 Method and device for monitoring the relative positions of at least two freely movable points and providing feedback therefrom 17 1996
6,242,911 Field sensor and device and process for measuring electric and/or magnetic fields 19 1998