| 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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| 09/06/2005 | US6940427 Pitch alerting angle for enhanced ground proximity warning system (EGPWS) |
| 09/01/2005 | US20050188763 Method and apparatus for measuring the draft of a vessel |
| 08/31/2005 | CN1661326A Laser calibration apparatus and method |
| 08/24/2005 | CN1657875A Level gauge |
| 08/17/2005 | EP1564526A2 Laser calibration apparatus and method |
| 08/04/2005 | WO2005071358A1 Instrument for measuring the height of an object |
| 08/04/2005 | US20050166409 Light leveling device having remote control |
| 08/02/2005 | US6922901 Light leveling device having remote control |
| 07/27/2005 | CN1645052A Liquid inter connected levels |
| 07/21/2005 | WO2005001407A3 Compact laser altimeter system |
| 07/21/2005 | US20050159857 System and method for determining aircraft tapeline altitude |
| 07/21/2005 | US20050159729 Optical height zeroing device |
| 07/21/2005 | US20050155239 Level device |
| 07/12/2005 | US6917297 System and method for advance warning of severe weather for general aviation aircraft |
| 07/07/2005 | WO2005061994A1 Methods and systems for generating a terrain elevation map in a cartesian format |
| 06/23/2005 | US20050134467 Outdoor computer |
| 06/16/2005 | US20050131630 Methods and systems for generating a terrain elevation map in a cartesian format |
| 06/14/2005 | US6907133 Automatic surveying system |
| 06/14/2005 | US6906865 Light altering device |
| 06/14/2005 | US6906864 Light altering device |
| 06/14/2005 | US6906641 Apparatus, method and computer program product for helicopter enhanced ground proximity warning system |
| 06/09/2005 | WO2005004035A3 Method and apparatus for ground detection and removal in vision systems |
| 06/07/2005 | US6904382 Dive computer, its operation method and a program for executing the operation method with a computer |
| 06/01/2005 | EP1269116B1 Portable gps receiver using a barometric altimeter |
| 05/25/2005 | DE102004040249A1 Tiefflug-Führungssystem, Warnsystem zur Tiefflugführung, Warnungs-Generator zur Tiefflugführung und Verfahren zur Tiefflugführung Low level flight guidance system, warning system for low-level flight guide, Alarm generator for low flight guidance and methods for low-level flight guide |
| 05/25/2005 | CN2702272Y Rotary type laser level meter |
| 05/24/2005 | US6898017 Light altering device |
| 05/24/2005 | US6898016 Light altering device |
| 05/19/2005 | DE10346890A1 Hydrostatic measurement method e.g. for continuous recording settlement of building, involves measuring settlement of building by using hydrostatic scales with fluid balance container and fluid cylinder connected to tube |
| 05/12/2005 | US20050099617 Method and system for measuring height or relatively axial position |
| 05/11/2005 | CN2699235Y Geoplane |
| 05/03/2005 | US6889124 Method and apparatus for reducing false taws warnings and navigating landing approaches |
| 04/27/2005 | CN1199030C Digital leveling instrument |
| 04/21/2005 | US20050081393 Invertible laser instrument |
| 04/21/2005 | DE19921119B4 Vermessungsinstrument mit automatischer Scharfeinstellung Surveying instrument with autofocus |
| 04/20/2005 | EP1524497A1 Method and system for measuring height or relative axial position |
| 04/20/2005 | EP1523655A2 Aircraft navigation assistance device and method |
| 04/20/2005 | CN2694228Y Module for digital signal processing and modulating signal digital wobble frequency controlling of radio altimeter |
| 04/19/2005 | US6882308 Portable device for determining horizontal and vertical positions and method for operating the same |
| 04/19/2005 | US6881210 Optical height zeroing device |
| 03/31/2005 | US20050066533 Laser level |
| 03/23/2005 | CN2687610Y Liquid interconnected levelling instrument |
| 03/16/2005 | CN2685824Y Digital levelling instrument |
| 03/09/2005 | CN2684148Y A transverse section instrument |
| 03/08/2005 | US6864830 Device and method for alert and density altitude features in a transponder |
| 03/03/2005 | US20050049763 Low-altitude flight guidance system, warning system for low-altitude flight guidance, warning generator for low-altitude flight guidance and method for low-altitude flight guidance |
| 03/03/2005 | DE202004019542U1 Outdoor-Computer Outdoor computer |
| 03/02/2005 | CN1587908A Micro air craft carried micro altimeter |
| 02/23/2005 | EP1508773A2 Laser level |
| 02/23/2005 | CN2681086Y Spring leaf clip type levelling rod |
| 02/23/2005 | CN1584501A Laser level |
| 02/19/2005 | CA2471454A1 Laser level |
| 02/17/2005 | US20050036128 Rangefinder apparatus |
| 02/08/2005 | US6853332 Automatic registration of images in digital terrain elevation data |
| 02/03/2005 | US20050024624 Speckle based sensor for three dimensional navigation |
| 02/03/2005 | US20050022399 Laser level |
| 02/03/2005 | DE4437451B4 Verfahren zur Korrektur der von einem Bord-Höhenmesser eines Luftfahrzeuges gelieferten Höhe über Normal-Null A method of correcting the amount supplied by an on-board altimeter of an aircraft above normal zero- |
| 02/02/2005 | CN1573286A Distance measuring sensor and electronics equipped therewith |
| 02/01/2005 | CA2476401A1 Laser level |
| 01/27/2005 | US20050019164 Technique for sensing altitude from fan speed |
| 01/26/2005 | CN1186593C Mile meter |
| 01/13/2005 | WO2005004035A2 Method and apparatus for ground detection and removal in vision systems |
| 01/13/2005 | US20050007270 Method and apparatus for predictive altitude display |
| 01/13/2005 | US20050006607 Beam catcher |
| 01/12/2005 | CN2670906Y Spectroscope function converting mechanism |
| 01/11/2005 | US6842291 Light altering device |
| 01/06/2005 | WO2005001407A2 Compact laser altimeter system |
| 01/06/2005 | US20050005065 Method and system for recording system information |
| 01/05/2005 | EP1494149A2 Method and system for recording system information |
| 01/05/2005 | DE10325416A1 Strahlfänger Beam stop |
| 01/05/2005 | CN1560558A Two-way lead wire device |
| 01/01/2005 | CA2472672A1 Method and system for recording system information |
| 12/30/2004 | US20040267444 Hybrid intertial navigation unit with improved altitude integrity |
| 12/29/2004 | WO2004113835A1 A surveying instrument with compensation for mechanical errors |
| 12/29/2004 | WO2004112975A1 Apparatus and method for cleaning pipelines, tubing and membranes using two-phase flow |
| 12/29/2004 | CN2667459Y Level-meter |
| 12/29/2004 | CA2529809A1 Apparatus and method for cleaning pipelines, tubing and membranes using two-phase flow |
| 12/23/2004 | US20040257555 Distance measuring sensor and electronics equipped therewith |
| 12/22/2004 | CN1556373A Digital identification method of levelling measurement |
| 12/21/2004 | US6833962 Light altering device |
| 12/21/2004 | US6833797 Method, apparatus and computer program product for displaying terrain in rotary wing aircraft |
| 12/21/2004 | US6832517 Optical level detector |
| 12/16/2004 | US20040252864 Method and apparatus for ground detection and removal in vision systems |
| 12/15/2004 | EP1190261B1 Method and apparatus for determining the vertical speed of an aircraft |
| 12/15/2004 | CN2663925Y A leveling rod |
| 12/09/2004 | US20040246145 System and method for advance warning of severe weather for general aviation aircraft |
| 12/08/2004 | EP1484577A1 Detector for determining the position of a laser beam |
| 12/01/2004 | EP1116046B1 Interferometric synthetic aperture radar altimeter |
| 11/30/2004 | US6826459 Ground proximity warning system, method and computer program product for controllably altering the base width of an alert envelope |
| 11/25/2004 | WO2004085961A3 Method and apparatus for correctly adjusting pressure settings on barometric altimeters |
| 11/25/2004 | DE19616832B4 Fokussiervorrichtung für ein Vermessungsinstrument Focusing apparatus for a surveying instrument |
| 11/18/2004 | US20040228007 Light altering device |
| 11/18/2004 | DE10317958A1 Vorrichtung zum Erzeugen und Projizieren von Lichtmarken Apparatus for producing and projecting light marks |
| 11/17/2004 | EP1476795A1 Method and apparatus for predictive altitude display |
| 11/16/2004 | US6819983 Synthetic pressure altitude determining system and method with wind correction |
| 11/10/2004 | CN1544882A Digital water-level instrument |
| 11/04/2004 | US20040218279 Light altering device |
| 11/04/2004 | US20040218278 Light altering device |
| 10/28/2004 | WO2004084152A3 Display for terrain avoidance |
| 10/21/2004 | US20040210390 Method for generation of a relief image |