Angular position sensor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7385684
APP PUB NO 20060064041A1
SERIAL NO

10945836

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A head tracking system combines a plurality of sources of radiant energy, a plurality of sensors and at least one reflective element. As the reflective element moves, various radiant energy beams become incident thereon. The incident beams are reflected to respective sensors thereby providing head position signals.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
LOCKHEED MARTIN CORPORATIONBETHESDA, MD3574

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tisdel, Victor Winter Springs, FL 1 3
Young, C Gilbert Winter Park, FL 6 47

Cited Art Landscape

Patent Info (Count) # Cites Year
 
SIEMENS MEDICAL SOLUTIONS USA, INC. (1)
6753828 System and method for calibrating a stereo optical see-through head-mounted display system for augmented reality 60 2001
 
Kern & Co., AG (1)
* 4681433 Method and apparatus for measuring relative position 20 1981
 
ROCKWELL COLLINS, INC. (1)
* 6320284 Motor assembly allowing output in multiple degrees of freedom 20 1999
 
GEC FERRANTI DEFENCE SYSTEMS LIMITED (1)
* 5187540 Optical system for the remote determination of position and orientation 31 1991
 
REMBRANDT PORTABLE DISPLAY TECHNOLOGIES, LP (1)
* 2001/0035,845 Portable display and method for controlling same with speech 39 2001
 
HARSHBARGER, JOHN H., JR. (1)
6681629 Motion-tracking 102 2002
 
LOCKHEED MARTIN TACTICAL SYSTEMS, INC. (1)
6319008 Avionics simulator 9 1995
 
LOCKHEED MARTIN CORPORATION (1)
6106298 Reconfigurable easily deployable simulator 47 1997
 
KABUSHIKI KAISHA TOPCON (1)
* 5771978 Grading implement elevation controller with tracking station and reference laser beam 48 1996
 
GO SENSORS, LLC (1)
* 6384908 Orientation dependent radiation source 17 1999
* Cited By Examiner

Patent Citation Ranking

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Forward Cite Landscape

Patent Info (Count) # Cites Year
 
LOCKHEED MARTIN CORPORATION (2)
8241038 Simulator utilizing a non-spherical projection surface 6 2006
8564622 Image generation device for generating multiple image streams 3 2012
 
HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH (2)
* 8340908 Calibration of tracking device 3 2008
* 2008/0167,805 CALIBRATION OF TRACKING DEVICE 0 2008
* Cited By Examiner

Maintenance Fees

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 10, 2019
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