| 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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| 08/03/2011 | CN201917332U 一种基于单个一体化摄像机机芯的视频测距测高装置 Based on a single integrated video camera movement ranging altimeter device |
| 08/03/2011 | CN102140790A Method for positioning lifting locking device |
| 07/27/2011 | CN201910849U Mobile phone with altitude measuring function |
| 07/27/2011 | CN102135424A System for analyzing and measuring ground change |
| 07/27/2011 | CN102135423A Device and method for measuring roughness of earth surface |
| 07/26/2011 | US7984557 Laser-guided positioning device |
| 07/20/2011 | CN201903346U Simple foot spiral structure of leveling instrument |
| 07/20/2011 | CN201903345U Assembled automatic monitoring system for roadbed layered settlement |
| 07/20/2011 | CN102128610A Micro-metering reading system for digital display flat plate |
| 07/20/2011 | CN102128609A Method for observing roadbed cross section settlement through magnet ring positioning |
| 07/13/2011 | EP2343501A2 Altitude measurement apparatus and method |
| 07/13/2011 | CN102121825A Method for measuring river-crossing levelling altitude difference by using GPS (global positioning system) |
| 07/06/2011 | CN201892535U Settling amount monitoring device for power tunnel |
| 07/06/2011 | CN201892534U Light reflecting bar |
| 06/29/2011 | CN201885707U Star-like sensing unit in health monitoring system of distributed optical fiber structure |
| 06/29/2011 | CN201885706U Tool ruler capable of measuring horizontal elevation difference between two points |
| 06/29/2011 | CN102109340A Gas position measuring device of fermentation tank with integration of gas production and storage |
| 06/29/2011 | CN101581778B Method for solving hidden point ITRF frame coordinates by using gyro total station |
| 06/22/2011 | EP2336716A2 Method and apparatus for alerting surface vessels to hazardous conditions |
| 06/22/2011 | DE102009059813A1 Device for self-determination of e.g. location in room in building, has coordinate system measuring fixed point to residence area, where device orientation is determined from angle of orientation of device to line of fixed point of device |
| 06/22/2011 | CN201876258U Building differential settlement measuring device |
| 06/22/2011 | CN201876257U Dam foundation settlement meter for extra-large measuring range dam |
| 06/22/2011 | CN201876256U Optical fiber monitoring system for high-grade road soft foundation |
| 06/22/2011 | CN102104837A Positioning method and device based on mobile broadcasting |
| 06/16/2011 | US20110144910 Height output device, height output method, and program |
| 06/15/2011 | CN201867196U Underwater leveling machine measuring and positioning system |
| 06/15/2011 | CN201867188U Indium steel ruler with LED (light emitting diode) lamp of electronic level |
| 06/15/2011 | CN201867187U Vertical hypsometer |
| 06/15/2011 | CN201867186U Special mapping tower type ruler capable of being used at night |
| 06/15/2011 | CN102095420A Height output device, height output method, and program |
| 06/09/2011 | US20110131824 Manual surveying instrument having collimation assisting device |
| 06/08/2011 | CN201858974U System for measuring axes of long-distance jacking pipe |
| 06/08/2011 | CN1699923B Two wire circuit for a laser pendulum |
| 06/08/2011 | CN101666641B Image recognition method |
| 06/07/2011 | US7957562 Method and apparatus for ground detection and removal in vision systems |
| 06/02/2011 | US20110130895 Method of obtaining a local terrain elevation database from detector means on board a vehicle |
| 06/01/2011 | DE19941598B4 Verfahren und Vorrichtung zur Beeinflussung der Gasdiffusion in geschlossenen flexiblen Flüssigkeitsbehältern Method and device for influencing the gas diffusion in closed flexible fluid containers |
| 06/01/2011 | CN201853327U Digital display sedimentation alarm |
| 06/01/2011 | CN201852585U Laser device for monitoring relative displacement of bridge structure |
| 06/01/2011 | CN201852574U Length gradienter |
| 06/01/2011 | CN201852573U Highway settlement observation post based on GPS (Global Positioning System) |
| 06/01/2011 | CN201852572U Laser ranging digital levelling instrument |
| 06/01/2011 | CN201852571U Special marking tool for settlement measurement |
| 05/26/2011 | WO2011061535A1 A height monitoring device for monitoring the distance of an object from a surface |
| 05/26/2011 | US20110119938 Multi-purpose utility level |
| 05/26/2011 | US20110119937 Rotating construction laser with a dual grade mechanism |
| 05/25/2011 | CN201844952U Load-carrying air bag dynamic rigidity testing system |
| 05/25/2011 | CN102072721A Simple measuring method of horizontal line of building wall body |
| 05/25/2011 | CN102072720A High accurately measuring method for in-tube liquid level elevation of photoelectric and tubular settlement meter |
| 05/25/2011 | CN102072695A Measuring device and measuring method for tree |
| 05/25/2011 | CN102071943A Centrifugal experimental simulation testing device for surface subsidence induced by city shield tunnel construction |
| 05/25/2011 | CN101706270B Device for measuring embankment settlement and measuring method |
| 05/25/2011 | CN101575861B Method for monitoring the settlement by using inclinometer tube |
| 05/19/2011 | DE102009053060A1 Vorrichtung insbesondere zur Ermittlung der Neigung eines Waffenrohres beim Richten Device, in particular for determining the slope of a gun barrel in directing |
| 05/18/2011 | CN201837693U High-voltage connector testing device of electric locomotive |
| 05/18/2011 | CN201837388U Vertical ground feature height measuring system based on single-chip InSAR (interferometric synthetic aperture radar) images |
| 05/17/2011 | US7942051 Method and device for survey of sea floor |
| 05/11/2011 | CN201828260U Physics type settlement meter |
| 05/11/2011 | CN102052915A Geological disaster monitoring system and method |
| 05/05/2011 | WO2011050548A1 Laser projection module with conical reflector supported by thin walls |
| 05/04/2011 | CN201819683U Combined farmland surface height measurement device |
| 05/04/2011 | CN101684632B Settlement test method for embankment filling construction |
| 05/04/2011 | CN101408421B Height judging component and electronic device using the same and positioning method thereof |
| 04/28/2011 | US20110096319 Geographic data collecting system |
| 04/27/2011 | CN201811734U Altitude difference measuring device |
| 04/27/2011 | CN102032897A Binocular ranging principle-based automatic dynamic consolidation monitoring method |
| 04/27/2011 | CN102032896A Method for automatically monitoring forced ramming project based on laser ranging and image recognition |
| 04/27/2011 | CN102032893A Hand-held attitude measuring terminal |
| 04/27/2011 | CN102032873A Fiber bragg grating displacement sensor with large measuring range |
| 04/26/2011 | US7933001 Geographic data collecting system |
| 04/20/2011 | CN201803718U Low-to-medium altitude height measuring device |
| 04/20/2011 | CN201803717U Quasi-continuous distance-variable altimeter |
| 04/20/2011 | CN201803716U Rotating wheel type altimeter |
| 04/20/2011 | CN201803715U High-accuracy magnetic damping automatic leveling instrument |
| 04/20/2011 | CN201803708U Device for measuring vertical deformation of space structure |
| 04/20/2011 | CN102023001A Method for checking height difference between joints of cross arms for cross arms of dual-column pole tower |
| 04/20/2011 | CN102023000A Method for measuring height by fusing unmanned helicopter barometric altimeter and GPS (global positioning system) |
| 04/20/2011 | CN102022997A Method for surveying sight distance and altitude difference of lines across obstacles |
| 04/20/2011 | CN101691999B Automatic level with built-in micrometer panel and assembly method thereof |
| 04/13/2011 | EP1354178B1 Ground proximity warning system |
| 04/13/2011 | EP1317677B1 Method and system for high precision altitude measurement over hostile terrain |
| 04/13/2011 | CN102012234A Vehicle navigation device |
| 04/13/2011 | CN102012225A Optical fiber monitoring system of highway soft foundation |
| 04/13/2011 | CN102012224A Novel direct reading mark sliding staff |
| 04/06/2011 | CN201788218U Portable altitude electroscope |
| 04/06/2011 | CN201787937U Electromagnetic wave type monitoring device for slag dumping quantity of slag collecting pit |
| 04/06/2011 | CN201787936U Device for observing prepressing precipitation of bridge bracket |
| 03/31/2011 | WO2011036300A1 Levelling system |
| 03/30/2011 | CN201780107U Differential pressure type electronic horizon sensor |
| 03/30/2011 | CN101995236A System and method for correcting reference value of pressure conversion altitude |
| 03/24/2011 | WO2011032811A1 Method and control unit for determining the height of a tool equipped with a pivoting element |
| 03/23/2011 | CN201772876U Horizontal measuring instrument |
| 03/23/2011 | CN201772875U Bridge erecting machine boom levelness detection device |
| 03/23/2011 | CN101713649B Disturbing gravity-based quasi-geoid land-sea seamless splicing method |
| 03/22/2011 | US7912594 Predicted path selection system and method for hazard coding in selectively constrained aircraft control systems |
| 03/22/2011 | US7908752 Geodetic instrument and related method |
| 03/16/2011 | CN201764960U Auxiliary tool for tunnel lighting construction |
| 03/16/2011 | CN1721816B Method for detecting the start of a dive for a dive computer |
| 03/16/2011 | CN101986100A Online monitoring system for galloping and wind deviation of power transmission line lead based on differential global positioning system (GPS) |
| 03/15/2011 | US7908045 System and method for presenting an image of terrain on an aircraft display unit |