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Class Information
Number: 342/462
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Position indicating (e.g., triangulation) > With altitude determination
Description: Subject matter including means to determine the height above sea level of air object.










Patents under this class:

Patent Number Title Of Patent Date Issued
8224505 Method and device for determining and updating a target altitude for an emergency descent of an aircraft Jul. 17, 2012
8059025 Altimetry method and system Nov. 15, 2011
7844396 Method and system for modular data processing for a vehicle control system Nov. 30, 2010
7495580 Arrangement for locating a parked vehicle Feb. 24, 2009
7479923 Airspace separation control and collision avoidance Jan. 20, 2009
7126534 Minimum safe altitude warning Oct. 24, 2006
7019693 Estimating altitude of a communications device Mar. 28, 2006
6992624 Attitude determination system using null-steered array Jan. 31, 2006
6965344 Firefighter locator Nov. 15, 2005
6950056 Methods and apparatus for determination of a filter center frequency Sep. 27, 2005
6947734 Method and system for location accuracy analysis Sep. 20, 2005
6943704 Method for collecting altitude-related data along roads Sep. 13, 2005
6792352 Vehicle data bus system with positioning means Sep. 14, 2004
6768449 Device and method for calibrating and improving the accuracy of barometric altimeters with GPS-derived altitudes Jul. 27, 2004
6584384 Device, method and computer program product for altimetry system Jun. 24, 2003
6549165 Ocean altimetry interferometric method and device using GNSS signals Apr. 15, 2003
6522298 Device and method for calibrating and improving the accuracy of barometric altimeters with GPS-derived altitudes Feb. 18, 2003
6518918 Wireless assisted altitude measurement Feb. 11, 2003
6421010 Atmospheric sondes and method for tracking Jul. 16, 2002
6307504 Method and system for using altitude information in a satellite positioning system Oct. 23, 2001
6298287 System and method of compensating for pressure sensor errors and noise in inertial vertical loop data Oct. 2, 2001
6252525 Anti-collision system Jun. 26, 2001
6242907 Apparatus and method of determining the orientation of an object relative to a magnetic field Jun. 5, 2001
6222487 System and method for measurement Apr. 24, 2001
6216064 Method and apparatus for determining altitude Apr. 10, 2001
6073077 Method for determining gravity in an inertial navigation system Jun. 6, 2000
6061018 Method and system for using altitude information in a satellite positioning system May. 9, 2000
5940035 Method for calibrating aircraft altitude sensors Aug. 17, 1999
5889491 Calibration for pilot warning system Mar. 30, 1999
5850197 Attitude determination using fewer than three antennas Dec. 15, 1998
5652592 Radio location with enhanced Z-axis determination Jul. 29, 1997
5506590 Pilot warning system Apr. 9, 1996
5434574 System for detecting an altitude of a vehicle dependent on a global positioning system Jul. 18, 1995
5126748 Dual satellite navigation system and method Jun. 30, 1992
4965586 Position determination and message transfer system employing satellites and stored terrain map Oct. 23, 1990
4922258 Method for determining aircraft flight altitude May. 1, 1990
4706199 Moving map display providing various shaded regions per altitude for aircraft navigation Nov. 10, 1987
4668954 Aircraft position determining system May. 26, 1987
4626861 Two angle range and altitude measurement system and methods Dec. 2, 1986
4621267 Bearing intersection deghosting by altitude comparison system and methods Nov. 4, 1986
4445120 Radiosonde Apr. 24, 1984
4094480 Aircraft altitude hold system Jun. 13, 1978
4011565 Method of determining ionospheric reflection height Mar. 8, 1977
3958218 Aircraft ground proximity warning system with speed compensation May. 18, 1976
3934222 Terrain closure warning system with climb inhibit and altitude gain measurement Jan. 20, 1976











 
 
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