| Patents for G01C 5 - Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels (3,586) |
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| 10/21/2004 | US20040207848 Device for the generation and projection of light marks |
| 10/21/2004 | US20040207831 Ranging apparatus, ranging method, and ranging program |
| 10/20/2004 | EP1469282A2 Device for producing and projecting light marks |
| 10/20/2004 | CN1537749A Three-line calibration method for external parmeters of camera carried by car |
| 10/13/2004 | EP1466139A1 Hybrid inertial navigation unit with enhanced integrity in altitude |
| 10/12/2004 | US6804614 Synthetic pressure altitude determining system and method |
| 10/07/2004 | WO2004085961A2 Method and apparatus for correctly adjusting pressure settings on barometric altimeters |
| 10/07/2004 | US20040196565 Light altering device |
| 10/07/2004 | US20040196564 Light altering device |
| 10/07/2004 | US20040196176 Device and method for calibrating and improving the accuracy of barometric altimeters with GPS-derived altitudes |
| 10/07/2004 | US20040194328 Light altering device |
| 09/30/2004 | WO2004084152A2 Display for terrain avoidance |
| 09/30/2004 | DE10228327A1 Automatische Registrierung von Bildern in digitalen Gelände-Höhen-Daten Automatic registration of images in digital terrain elevation data |
| 09/29/2004 | EP1462761A1 Assistance in navigation with increased vertical integrity |
| 09/29/2004 | EP1461792A1 Method and apparatus for reducing false taws warnings |
| 09/28/2004 | US6798378 Device and method for displaying track characteristics |
| 09/23/2004 | US20040186635 Methods and apparatus for correctly adjusting barometric pressure settings on barometric altimeters |
| 09/22/2004 | EP0842396B1 Ground proximity warning system |
| 09/16/2004 | US20040181318 Display for terrain avoidance |
| 09/16/2004 | US20040179186 Compact laser altimeter system |
| 09/16/2004 | US20040179185 Optical fixed-distance sensing apparatus |
| 08/31/2004 | US6785594 Ground proximity warning system and method having a reduced set of input parameters |
| 08/19/2004 | WO2004070317A1 Altimeter having temperature correction |
| 08/18/2004 | CN2634432Y Building mounting level measurer |
| 08/05/2004 | US20040153169 Method of synthesizing a cartographic imagery |
| 07/28/2004 | CN2628995Y Laser ranging engineering measuring instrument |
| 07/27/2004 | US6768449 Device and method for calibrating and improving the accuracy of barometric altimeters with GPS-derived altitudes |
| 07/21/2004 | CN2627462Y Light beam conversion structure of laser levelling rod |
| 07/21/2004 | CN2627461Y Superometer |
| 07/20/2004 | US6763598 Laser level with lens switching mechanism |
| 07/13/2004 | US6761064 Movement-detecting altimeter |
| 07/08/2004 | DE10259037A1 Lifting-height measuring device for warehouse truck, has flexible tube filled with fluid and attached to liftable component of truck, and connected to pressure sensor |
| 07/07/2004 | EP1155285B1 Apparatus, method, and computer program product for generating terrain clearance floor envelopes about a selected runway |
| 07/01/2004 | WO2004055477A1 Onboard terrain anticollision display device |
| 07/01/2004 | CA2509942A1 Onboard terrain anticollision display device |
| 06/15/2004 | US6750815 Method, apparatus, and computer program products for alerting surface vessels to hazardous conditions |
| 06/09/2004 | EP1426738A1 Electronic device and method incorporating capacitive water detection means |
| 06/09/2004 | EP1287411A4 3d autonomous integrity monitored extrapolation navigation |
| 06/03/2004 | US20040103546 Laser level |
| 06/01/2004 | US6745115 System, method and apparatus for searching geographic area using prioritized spacial order |
| 05/18/2004 | US6737987 Method, apparatus and computer program product for helicopter tail strike warning |
| 05/13/2004 | US20040093131 Method and apparatus for reducing false taws warnings and navigating landing approaches |
| 05/13/2004 | DE202004003243U1 Forced centering device for correct alignment of a level indicator for detecting height changes in civil engineering structures, especially dams, comprises mounting brackets that are attached to the structure to be monitored |
| 05/11/2004 | US6735542 Method and apparatus for calculating altitude based on barometric and GPS measurements |
| 05/11/2004 | US6734808 Method, apparatus and computer program products for alerting submersible vessels to hazardous conditions |
| 04/20/2004 | US6723975 Scanner for airborne laser system |
| 04/15/2004 | WO2004010079A3 Aircraft navigation assistance device and method |
| 04/14/2004 | EP1407226A1 Pitch angle alerting device for ground proximity warning systems (gpws) |
| 04/13/2004 | US6720928 Parallel displacement/inclination measuring apparatus and antenna system |
| 04/07/2004 | EP1405038A1 Method for generation of a relief image |
| 04/07/2004 | EP1151429B1 System for generating altitudes above a selected runway |
| 04/07/2004 | EP1058816B1 Method and apparatus for determining altitude |
| 03/25/2004 | WO2003023322A3 Airplane emergency navigational system |
| 03/24/2004 | EP1399711A1 Method for synthesis of chart imagery |
| 03/24/2004 | CN1484782A Method and apparatus for predictive altitude display |
| 03/18/2004 | US20040054470 Portable device for determining horizontal and vertical positions and method for operating the same |
| 03/16/2004 | US6707394 Apparatus, method, and computer program product for generating terrain clearance floor envelopes about a selected runway |
| 03/10/2004 | EP1396767A1 Electronic diver's watch with analog display |
| 03/10/2004 | EP1396766A1 Electronic diver's watch with analog display |
| 03/10/2004 | CN1141615C Laser beam irradiation device |
| 03/03/2004 | CN2605634Y Vehicular height finding device |
| 02/24/2004 | US6697069 Portable measuring device and display method for displaying a measurement |
| 02/10/2004 | US6691004 Method for determining a currently obtainable climb gradient of an aircraft |
| 02/04/2004 | CN2602338Y Reducing level tube |
| 01/29/2004 | WO2004010079A2 Aircraft navigation assistance device and method |
| 01/27/2004 | US6684175 Display method of an altitude display apparatus for displaying absolute altitude |
| 01/27/2004 | US6683556 Method and apparatus for predictive altitude display |
| 01/15/2004 | US20040007255 Apparatus and method for cleaning pipelines, tubing and membranes using two-phase flow |
| 01/13/2004 | US6678630 Automatic height adjustment in an altimeter |
| 01/13/2004 | US6678629 Portable altimeter and altitude computing method |
| 01/08/2004 | WO2004003472A1 Mobile communication terminal |
| 01/08/2004 | DE10225252A1 Verfahren zur Vermeidung von Geländekollisionen für Luftfahrzeuge Method for avoiding collisions grounds for aircraft |
| 01/02/2004 | EP1373850A2 Redundant altimeter system with self-generating dynamic correction curve |
| 01/02/2004 | EP1373832A1 Modular altimeter |
| 12/17/2003 | EP1371548A1 Dive computer |
| 12/10/2003 | EP1369665A2 Method for avoiding aircraft terrain collisions |
| 12/02/2003 | US6655036 Aid apparatus for level surveying instrument |
| 11/26/2003 | EP1365210A2 Arrangement for the relative positioning in height of a hand tool |
| 11/12/2003 | EP1360457A2 Egpws cutoff altitude for helicopters |
| 11/06/2003 | US20030206120 Apparatus, method, and computer program product for generating terrain clearance floor envelopes about a selected runway |
| 10/28/2003 | US6640165 Method and system of determining altitude of flying object |
| 10/23/2003 | US20030197655 Parallel displacement/inclination measuring apparatus and antenna system |
| 10/22/2003 | EP1354251A1 Variable enhanced ground proximity warning system look-ahead offset and sub-offset |
| 10/22/2003 | EP1354178A1 Ground proximity warning system |
| 10/14/2003 | US6633373 Leveling device for a leveling instrument emitting at least two light beams |
| 10/09/2003 | WO2003083412A1 Measuring method and corresponding measuring device |
| 10/08/2003 | EP0974039B1 Method for calibrating aircraft altitude sensors |
| 10/02/2003 | US20030187425 Optical height zeroing device |
| 09/30/2003 | US6626024 Redundant altimeter system with self-generating dynamic correction curve |
| 09/24/2003 | EP1185842B1 Automatic height adjustment in an altimeter |
| 09/23/2003 | US6624402 Surveying instrument, surveying instrument having AF function, surveying instrument having PF mechanism, and surveying instrument having multiple-focus function |
| 09/18/2003 | WO2003077224A1 Method and apparatus for reducing false taws warnings |
| 09/17/2003 | CN2574003Y High-accuracy water communicating height difference measuring device |
| 09/16/2003 | US6622066 EGPWS cutoff altitude for helicopters |
| 09/16/2003 | US6621559 Electronic leveling apparatus and method of controlling focusing operation of the electronic leveling apparatus |
| 09/11/2003 | US20030171856 Global positioning system readout of recommended altitude in aircraft landing pattern |
| 09/11/2003 | DE10203231C1 Hydrostatic hose balance has connected containers, each with float(s) partly immersed in liquid with force sensor(s) that interacts with float only within defined range of relative level state |
| 09/02/2003 | US6614726 Stopwatch |
| 08/28/2003 | WO2003071371A1 Method and apparatus for predictive altitude display |
| 08/26/2003 | US6609421 Sideslip correction for a multi-function three probe air data system |