| 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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| 08/15/2002 | US20020108761 Rotary laser irradiating apparatus and construction machine control system |
| 08/14/2002 | CN2505805Y Horizontal contour measuring apparatus |
| 08/13/2002 | US6433858 Autofocusing apparatus of a sighting telescope |
| 08/07/2002 | CA2370928A1 Scanner for airborne laser system |
| 08/06/2002 | US6430479 Methods, apparatus and computer program products for determining the vertical speed of an aircraft |
| 08/06/2002 | US6427780 Communication system for surveying instrument |
| 08/01/2002 | WO2002059705A1 Variable enhanced ground proximity warning system look-ahead offset and sub-offset |
| 08/01/2002 | WO2002059547A2 Egpws cutoff altitude for helicopters |
| 08/01/2002 | WO2002059546A1 Ground proximity warning system |
| 07/30/2002 | US6425299 Relative height gauge |
| 07/25/2002 | US20020099478 EGPWS cutoff altitude for helicopters |
| 07/25/2002 | US20020097169 Variable enhanced ground proximity warning system look-ahead offset and sub-offset |
| 07/23/2002 | US6424293 Electronic timing systems |
| 07/17/2002 | CN1087827C Electronic level and levelling rod for use in combination with the same |
| 07/11/2002 | US20020089433 Apparatus, method, computer program products for generating a runway field clearance floor envelope about a selected runway |
| 07/03/2002 | EP1218696A1 Method and apparatus for alerting submersible vessels to hazardous conditions |
| 07/03/2002 | EP1218695A1 Method and apparatus for alerting surface vessels to hazardous conditions |
| 07/02/2002 | US6414745 Method and apparatus for determining the relative height of two targets |
| 06/27/2002 | US20020080145 Method, apparatus and computer program product for displaying terrain in rotary wing aircraft |
| 06/13/2002 | US20020072832 System and method of determining an altitude of an aircraft using barometric pressure measurements |
| 06/12/2002 | EP1213561A1 Bicycle inclinometer using accelerometer and wheel revolution sensor to compute instantaneous road gradient, uphill power, altitude and frequency of pedalling |
| 05/23/2002 | WO2001092823A3 Method, apparatus and computer program product for displaying terrain in rotary wing aircraft |
| 05/23/2002 | DE10135299A1 Automatisches Vermessungssystem Automatic Measurement System |
| 05/22/2002 | CN2492831Y Autoamtic laser leveling instrument |
| 05/21/2002 | US6389709 Method and apparatus for checking elevation |
| 05/16/2002 | WO2002039407A1 Anti-collision device for means of transport and relative process system using gps coordinates |
| 05/16/2002 | WO2002039138A1 Positioning and ground proximity warning method and system thereof for vehicle |
| 05/10/2002 | WO2002021229A3 Improvements to visual display of ground collision avoidance devices for aircraft |
| 05/10/2002 | WO2002016870A3 Glideslope monitor for aircraft |
| 05/09/2002 | US20020054716 Electronic level |
| 05/07/2002 | US6384902 Surveying apparatus comprising a height measuring device |
| 05/07/2002 | CA2109717C Attitude sensor |
| 04/30/2002 | US6380870 Apparatus, methods, and computer program products for determining a look ahead distance value for high speed flight |
| 04/25/2002 | WO2001061277A3 Device, method and computer program product for altimetry system |
| 04/18/2002 | WO2002031533A1 Adaptative modeling of surface noise during remote distance measurement |
| 04/18/2002 | WO2002031532A1 Adaptive measurement correction during remote distance measurement |
| 04/18/2002 | WO2001090694A3 Apparatus, method and computer program product for helicopter ground proximity warning system |
| 04/18/2002 | WO2001090693A3 Apparatus, method and computer program product for helicopter enhanced ground proximity warning system |
| 04/17/2002 | EP1197730A2 Method for determining longitudinal profiles and device therefor |
| 04/04/2002 | US20020040263 Glideslope monitor for aircraft |
| 04/02/2002 | US6366835 Height estimating apparatus |
| 03/28/2002 | US20020036574 Apparatus, method and computer program product for helicopter enhanced ground proximity warning system |
| 03/27/2002 | EP1190261A1 Method and apparatus for determining the vertical speed of an aircraft |
| 03/21/2002 | WO2002023125A1 Method, apparatus and computer program product for helicopter tail strike warning |
| 03/20/2002 | EP0991917B1 Relative height gauge |
| 03/14/2002 | WO2002021229A2 Improvements to visual display of ground collision avoidance devices for aircraft |
| 03/14/2002 | US20020032539 Portable altimeter and altitude computing method |
| 03/14/2002 | US20020032504 Methods, apparatus and computer program products for determining the vertical speed of an aircraft |
| 03/14/2002 | US20020030610 Apparatus, method and computer program product for helicopter ground proximity warning system |
| 03/14/2002 | US20020030607 Method, apparatus and computer program product for helicopter tail strike warning |
| 03/14/2002 | CA2390230A1 Improvements to visual display of ground collision avoidance devices for aircraft |
| 03/13/2002 | EP1185842A1 Automatic height adjustment in an altimeter |
| 03/07/2002 | US20020028016 Automatic surveying system |
| 03/07/2002 | US20020027007 Rotary laser irradiating apparatus and construction machine control system |
| 03/07/2002 | DE10040549A1 Roadway inclination detection method for vehicle involves determining pressure values for reference events, characteristic values for covered distance and calculating angle of roadway |
| 03/06/2002 | CN2480803Y Automatic levelling laser water level instrument |
| 03/06/2002 | CN1338610A Automatic focus mechanism on measuring device |
| 02/28/2002 | WO2002016870A2 Glideslope monitor for aircraft |
| 02/27/2002 | CN1337565A Portable pressure measuring device |
| 02/27/2002 | CN1079942C Horizontal position error correcting mechanism of electronic level gauge |
| 02/20/2002 | EP1180663A2 Portable pressure measuring apparatus |
| 02/20/2002 | CN2478074Y Novel laser suppressing instrument |
| 02/14/2002 | WO2002012830A1 Height measurement apparatus |
| 02/14/2002 | DE10037699A1 Automatic focussing mechanism for telescope, moves focussing lens of telescope corresponding to distance between telescope and pattern |
| 02/13/2002 | EP0868650B1 Ambiguous dial indicator with saturating setpoints |
| 02/12/2002 | US6347263 Aircraft terrain information system |
| 02/07/2002 | WO2002010680A2 Method and system for high precision altitude measurement over hostile terrain |
| 02/07/2002 | US20020016694 Portable pressure measuring apparatus |
| 02/05/2002 | US6344639 Beam splitter for automatic focusing device |
| 01/31/2002 | WO2002008693A1 Compensation of pressure sensor errors in baro-inertial altitude data |
| 01/31/2002 | US20020011948 Electronic timing systems. |
| 01/29/2002 | US6343245 Microaltimeter |
| 01/16/2002 | CN2472194Y Automatic laser level instrument |
| 01/08/2002 | US6337473 Beam position detector having a photodetection unit |
| 01/02/2002 | EP1166142A1 Position finding |
| 01/02/2002 | CN2469414Y Statosope |
| 12/27/2001 | US20010056316 Aircraft terrain information system |
| 12/19/2001 | EP1163534A2 Ground proximity warning system and method having a reduced set of input parameters |
| 12/13/2001 | WO2001095042A1 3d autonomous integrity monitored extrapolation navigation |
| 12/13/2001 | CA2376120A1 3d autonomous integrity monitored extrapolation navigation |
| 12/12/2001 | CN2465147Y Automatic levelling gearing device for all automatic laser leveller |
| 12/06/2001 | WO2001092823A2 Method, apparatus and computer program product for displaying terrain in rotary wing aircraft |
| 12/05/2001 | CN2463785Y Photoelectric digital surveyor's level |
| 11/29/2001 | WO2001090694A2 Apparatus, method and computer program product for helicopter ground proximity warning system |
| 11/29/2001 | WO2001090693A2 Apparatus, method and computer program product for helicopter enhanced ground proximity warning system |
| 11/29/2001 | US20010047230 Device, method and computer program product for altimetry system |
| 11/29/2001 | US20010045507 Beam position detector having a photodetection unit |
| 11/28/2001 | EP1157318A2 Ground proximity warning system, method and computer program product for controllably altering the base width of an alert envelope |
| 11/27/2001 | US6324448 Methods, apparatus and computer program products for determining the vertical speed of an aircraft |
| 11/21/2001 | EP1156402A2 Improvements in or relating to electronic timing systems |
| 11/21/2001 | EP1155285A1 Apparatus, method, and computer program product for generating terrain clearance floor envelopes about a selected runway |
| 11/15/2001 | US20010039740 Surveying intstrument, surveying instrument having AF function, surveying instrument having PF mechanism, and surveying instrument having multiple-focus function |
| 11/15/2001 | DE10122934A1 Vermessungsinstrument Survey instrument |
| 11/13/2001 | US6317663 Landing aid device, especially for anti-ground-collision alert vetoing |
| 11/13/2001 | US6314651 Rotary laser irradiating system and photodetection system |
| 11/07/2001 | EP1151429A2 System for generating altitudes above a selected runway |
| 11/07/2001 | EP1151244A1 Ground proximity warning system |
| 10/31/2001 | EP0808447B1 Levelling instrument |
| 10/11/2001 | DE10013724A1 Self-adjusting laser leveling device for tiling and wallpapering work, has sliding contacts that supply current to laser from battery through drive shaft |
| 10/04/2001 | EP1139061A2 System and method for improving the accuracy of pressure altitude determinations in an inertial navigation system |