Patents
Patents for G01C 5 - Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels (3,586)
08/2000
08/17/2000WO2000048159A2 Apparatus, methods and computer program product for the generation and use of a runway field clearance floor envelope about a selected runway
08/17/2000WO2000048050A2 Ground proximity warning system, method and computer program product for controllably altering the base width of an alert envelope
08/17/2000WO2000047948A1 Apparatus, method, and computer program product for generating terrain clearance floor envelopes about a selected runway
08/16/2000CN2392166Y Laser horizontal circle
08/03/2000WO2000045126A1 Ground proximity warning system
08/02/2000EP1024344A1 Surveying instrument with height measuring system
07/2000
07/26/2000CN2389350Y Automatic levelling water level
07/26/2000CN2389349Y Laser automatic levelling level
07/25/2000US6094607 3D AIME™ aircraft navigation
07/20/2000WO2000042379A1 Catenary system measurement apparatus and method
07/18/2000US6092009 Aircraft terrain information system
07/18/2000US6088922 Method and apparatus for hydrostatical leveling
07/11/2000US6088654 Terrain anti-collision process and device for aircraft, with improved display
07/11/2000US6088634 Method and apparatus for alerting a pilot to a hazardous condition during approach to land
07/11/2000US6087645 Remote controllable laser projection apparatus
07/04/2000US6082875 Constructional laser
06/2000
06/27/2000US6081327 Leveling instrument
06/21/2000CN2384198Y Cathetometer
06/15/2000WO2000034740A2 Radio measuring method and auxiliary means for carrying out said method
06/15/2000DE19924208A1 Funkmeßverfahren und Hilfsmittel zur Durchführung des Verfahrens Funkmeßverfahren and tools for carrying out the method
06/14/2000EP1008832A1 Construction machine control system
06/14/2000EP0974039A4 Method for calibrating aircraft altitude sensors
06/07/2000EP1006339A2 Rotary laser irradiating system and photodetection system
06/06/2000US6073068 Method for determining the elevation of a point on a work site represented in a triangular irregular network
06/02/2000WO2000031564A1 Minimum safe altitude system and method
05/2000
05/30/2000US6068060 Construction equipment control system
05/23/2000US6067148 Execution height display device and execution height setting system
05/17/2000EP1001250A2 Laser survey instrument
05/10/2000CN2377520Y High-accuracy compass
05/03/2000CN2376616Y Laser level meter
05/02/2000US6057916 Automatic inclination corrector and inclination sensor using an automatic inclination corrector
04/2000
04/26/2000EP0996004A2 Barometrically compensated altimeter, barometer and weather forecasting system
04/25/2000US6055477 Use of an altitude sensor to augment availability of GPS location fixes
04/20/2000DE19949580A1 Auto-focusing device for telescopic sight used in measuring instrument etc. detects two equidistant zones with double distance zone between them
04/13/2000WO2000020892A1 Interferometric synthetic aperture radar altimeter
04/13/2000CA2345984A1 Interferometric synthetic aperture radar altimeter
04/12/2000EP0991917A1 Relative height gauge
04/05/2000EP0904575B1 Method and system for aerodyne altitude management
04/05/2000CN2372662Y Detector for measuring levelness of liquid distributor
04/04/2000US6046557 Focusing controller for survey instrument
03/2000
03/29/2000EP0989386A1 Landing aid device, especially for inhibiting the ground anti-collision alarm
03/28/2000US6043759 Air-ground logic system and method for rotary wing aircraft
03/28/2000US6043758 Terrain warning system
03/01/2000CN1245889A Box type levelling instrument
02/2000
02/16/2000CN1244654A Quasi-accrate detection approach for measurement coarse error
02/15/2000US6025800 Interferomeric synthetic aperture radar altimeter
02/02/2000EP0977011A1 Electronic leveller and method for optical alignment
02/01/2000US6020832 Method and apparatus of automatically monitoring aircraft altitude
01/2000
01/26/2000EP0974039A1 Method for calibrating aircraft altitude sensors
01/18/2000US6016455 Automatic control system for construction machinery
01/13/2000WO2000002102A1 System for measuring a jump
01/12/2000EP0971207A1 Surveying instrument
01/11/2000US6014220 Automatic control system for construction machinery
01/06/2000WO2000000788A1 Method and apparatus for determining the relative height of two targets
12/1999
12/29/1999CN2356318Y Vertical level gauge
12/22/1999EP0965818A2 Rotary laser irradiating apparatus
12/16/1999DE19825932A1 Hose system for hydrostatic height measuring unit
12/09/1999DE19833996C1 Electronic levelling device, for video sighting on measurement rule
11/1999
11/24/1999CN2350724Y Multifunctional leveler
11/16/1999US5983511 Apparatus for displaying an appropriate height
11/11/1999DE19921119A1 Optical beam splitter system for automatic focus device in measuring instrument
11/10/1999CN2348353Y Self-adjusting automatic laser level-meter
11/03/1999CN2347138Y Index plate of multiple parameters Brulai height finder
10/1999
10/28/1999WO1999042788A8 Method and apparatus for determining altitude
10/28/1999DE19918525A1 Arrangement for computing estimates of the center of gravity heights of motor vehicles
10/27/1999CN2345950Y Laser level gauge
10/27/1999CN2345949Y Simple-type palm laser horizontal scanistor
10/20/1999EP0950874A2 Construction equipment control system
10/05/1999USH1806 Variable radar altimeter test apparatus
09/1999
09/28/1999US5959729 Automatic tilt angle compensator
09/23/1999WO1999032850A9 Aircraft terrain warning system
09/22/1999CN2339975Y Portable multifunction periscopical height-measuring instrument
09/15/1999CN1228527A Electronic level and leveling rod for use in combination with the same
09/14/1999US5953108 Laser beam projector power and communication system
08/1999
08/31/1999US5946087 Laser survey instrument
08/26/1999WO1999042788A1 Method and apparatus for determining altitude
08/25/1999EP0937963A2 Apparatus for detecting an altitude of a flying object
08/17/1999US5940035 Method for calibrating aircraft altitude sensors
08/17/1999US5937529 Apparatus for measuring vertical displacement
08/03/1999US5930904 Catenary system measurement apparatus and method
07/1999
07/21/1999CN2329940Y Direct reading height measuring tower rule
07/20/1999US5926305 Marking apparatus having feedback-controlled rotational laser beam
07/15/1999DE19750207A1 Surveying system for measuring independently of satellite global positioning system
07/14/1999EP0928952A1 Aircraft terrain collision avoidance method and device
07/07/1999EP0927871A1 Device for determining difference in levels
07/01/1999WO1999032850A1 Aircraft terrain warning system
06/1999
06/30/1999EP0926466A1 Construction laser
06/30/1999CN2326936Y Level gauge
06/29/1999US5917593 Apparatus for use in construction machines for detecting laser beam and displaying information based on the same
06/24/1999DE19858130A1 Measuring rule for electronic position measuring device
06/15/1999US5912733 Laser plumb line
06/02/1999EP0919837A2 Communication system for surveying instrument
06/02/1999DE19800128A1 Determining height level of point to be determined in relation to level of spatially distant reference point
06/01/1999US5909311 Apparatus for detecting polarized light
05/1999
05/19/1999EP0916924A1 Focusing controller for survey instrument
05/19/1999EP0916072A1 Aircraft terrain information system
05/12/1999EP0915321A2 System for detecting an altitude of a vehicle dependent on a global positioning system
05/12/1999EP0914618A1 Integrity monitoring method and apparatus for gps and dgps receivers
05/05/1999CA2253025A1 Laser plumb line
04/1999
04/29/1999DE19848269A1 Electronic leveling instrument
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