| Patents for G01C 1 - Measuring angles (3,035) |
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| 05/31/2000 | CN2380899Y Static-pressure gas-phase pressure-conducting apparatus |
| 05/03/2000 | EP0997704A1 Theodolite |
| 04/26/2000 | CN2375948Y Recording instrument for observing sun moving orbit |
| 04/26/2000 | CN2375475Y Set square with angle indicator |
| 04/20/2000 | DE19949582A1 Auto focusing device for telescopic sight used in measuring instrument has second auto focus operation performed during movement of focusing lens group after first operation |
| 04/20/2000 | DE19949581A1 Motor-driven focusing device for telescopic sight used in measuring instrument has control device for maintaining constant speed of movement of focus point when focusing |
| 04/20/2000 | DE19949580A1 Auto-focusing device for telescopic sight used in measuring instrument etc. detects two equidistant zones with double distance zone between them |
| 04/19/2000 | CN2374845Y Double-lens laser linear theodolite |
| 04/19/2000 | CN2374844Y Laser right angle projection line gauge |
| 04/12/2000 | EP0992814A2 Optical communication system for survey instrument |
| 04/05/2000 | EP0990115A1 Remotely positionable gravity oriented laser scanner |
| 04/05/2000 | CN2372661Y Anti-seismic logging magnetic angle meter |
| 04/05/2000 | CN2372660Y Laser telescope for theodolite and level |
| 04/04/2000 | US6046557 Focusing controller for survey instrument |
| 04/04/2000 | US6044567 Geodetic device |
| 03/30/2000 | WO2000017606A1 Three-dimensional measuring method and surveying instrument using the same |
| 03/29/2000 | EP0989385A1 Collimating direction controlling apparatus for surveying instrument |
| 03/29/2000 | CN2371570Y Equatorial telescope for astronomical telescope |
| 03/22/2000 | EP0987517A2 Automatic survey instrument |
| 03/21/2000 | US6038777 Method and apparatus for sight reduction |
| 02/29/2000 | US6031606 Process and device for rapid detection of the position of a target marking |
| 02/23/2000 | EP0766810B1 Optical device for determining the position of a reflective graticule |
| 02/08/2000 | US6023326 Surveying system |
| 01/25/2000 | CA2089550C Remote tracking system for moving picture cameras and method |
| 01/19/2000 | EP0876586A4 Quadrant light detector |
| 01/12/2000 | EP0971207A1 Surveying instrument |
| 01/11/2000 | US6014220 Automatic control system for construction machinery |
| 12/30/1999 | DE19928739A1 Light collector for autofocus measurement instrument |
| 12/29/1999 | CN2356316Y Universal angle measurer |
| 12/16/1999 | DE19926706A1 System for determining position of focusing lens of automatic focusing surveying instrument |
| 12/01/1999 | EP0960382A1 Method for identifying in a pre-established catalogue stars detected by a star sensor |
| 11/23/1999 | US5991706 Electronic measuring apparatus |
| 11/23/1999 | US5987763 Drive device for aligning a theodolite |
| 11/16/1999 | US5984238 Method and system for the autonomous on-board determination of the position of a satellite |
| 11/11/1999 | DE19921119A1 Optical beam splitter system for automatic focus device in measuring instrument |
| 11/11/1999 | DE19921118A1 Optical beam splitter system for automatic focus device in measuring instrument |
| 11/11/1999 | DE19921117A1 Optical beam splitter for automatic focussing device in measuring instrument |
| 11/03/1999 | CN2347137Y Fast surveying astronomical theodolite |
| 10/28/1999 | DE19918570A1 Surveying instrument for distance and angle measurement |
| 10/20/1999 | CN2344753Y Multifunctional measurer |
| 10/14/1999 | DE19916048A1 Surveying instrument with sighting telescope for sighting reflector provided at aiming point and autofocus system for fine focusing of image produced in field of vision of sighting |
| 09/28/1999 | US5959729 Automatic tilt angle compensator |
| 09/22/1999 | CN2339974Y Theodolite tripod capable of quickly levelling and centring |
| 09/07/1999 | US5949548 Height sensing measurement device |
| 08/10/1999 | US5936736 Focusing method and apparatus for a surveying instrument having an AF function, and arrangement of an AF beam splitting optical system therein |
| 07/28/1999 | CN2330976Y Portable transit level general instrument stand |
| 07/22/1999 | WO1999024276B1 Solar altitude detector |
| 06/16/1999 | EP0922201A2 Navigation system for use in a vehicle |
| 06/08/1999 | CA2217809A1 Thooem (two-um) |
| 06/02/1999 | CN2322129Y Disc for indicating included angle of airplane normal taking off and landing direction with wind direction |
| 05/26/1999 | CN2320985Y Digital display laser slope measuring instrument |
| 05/25/1999 | US5906338 Sun search method and apparatus for a satellite stabilized in three axes |
| 05/20/1999 | WO1999024276A1 Solar altitude detector |
| 05/19/1999 | EP0916924A1 Focusing controller for survey instrument |
| 05/18/1999 | US5905592 Laser theodolite |
| 05/12/1999 | CN2318605Y Laser transit additional overlens for straffing oblique plane |
| 05/11/1999 | US5903345 Remotely positionable gravity oriented laser scanner |
| 04/21/1999 | EP0909939A2 Earth sensor |
| 04/20/1999 | US5894674 Method and apparatus for determining direction |
| 04/14/1999 | EP0783663A4 Improved boresight with single-beam triaxial measurement |
| 04/14/1999 | CA2250451A1 Earth sensor |
| 04/01/1999 | WO1999001017A3 Navigation system for use in a vehicle |
| 03/30/1999 | US5887353 Two-speed continuous tangent screw |
| 03/24/1999 | CN2311756Y Planet position measuring instrument |
| 03/02/1999 | US5877490 Quadrant light detector |
| 02/11/1999 | DE19748826C1 Sun position sensor for automobile internal temperature regulation |
| 01/27/1999 | EP0892910A2 Optical height meter, surface-inspection device provided with such a height meter, and lithographic apparatus provided with the inspection device |
| 01/14/1999 | WO1999001017A2 Navigation system for use in a vehicle |
| 01/07/1999 | EP0888524A1 Gravity oriented laser scanner |
| 12/23/1998 | WO1998058232A1 Remotely positionable gravity oriented laser scanner |
| 11/26/1998 | DE19823076A1 Display for optical instrument e.g. automatic levelling device or theodolite |
| 11/24/1998 | CA2047288C Apparatus and method for angle measurement |
| 11/11/1998 | EP0876586A1 Quadrant light detector |
| 10/28/1998 | EP0874218A1 Surveying instrument |
| 10/28/1998 | EP0778958B1 Orientation locating system for an observation instrument |
| 10/27/1998 | US5828447 Orientation location system of an observation instrument |
| 09/29/1998 | US5815095 Surveying instrument |
| 09/22/1998 | US5812247 Arrangement for optically tracking moving objects and for measuring their trajectories |
| 09/11/1998 | WO1998039617A1 Educational plane table apparatus |
| 09/01/1998 | US5799403 Standoff crown measurement device |
| 08/20/1998 | WO1998036373A1 Method for identifying in a pre-established catalogue stars detected by a star sensor |
| 08/20/1998 | CA2280978A1 Method for identifying in a pre-established catalogue stars detected by a star sensor |
| 08/13/1998 | WO1998028661A3 Optical height meter, surface-inspection device provided with such a height meter, and lithographic apparatus provided with the inspection device |
| 08/05/1998 | EP0856784A2 Method and device for the on-board determination of a satellite s position |
| 07/23/1998 | DE19802379A1 Surveying unit with telescope located rotational at main housing of overall station |
| 07/07/1998 | US5777899 Horizontal position error correction mechanism for electronic level |
| 07/02/1998 | WO1998028661A2 Optical height meter, surface-inspection device provided with such a height meter, and lithographic apparatus provided with the inspection device |
| 06/30/1998 | US5771978 Grading implement elevation controller with tracking station and reference laser beam |
| 06/23/1998 | US5771099 Optical device for determining the location of a reflective target |
| 06/16/1998 | US5767952 Surveying instrument |
| 05/20/1998 | EP0842395A1 Process and device for the rapid detection of the position of a target marking |
| 05/20/1998 | DE19716304C1 Geodetic device for plumbline, theodolite or tachymeter |
| 05/07/1998 | DE19740390A1 Theodolite with semiconductor laser and polarisation beam splitter for surveying |
| 04/07/1998 | US5736941 Navigation device for a land vehicle with means for generating a multi-element anticipatory speech message, and a vehicle comprising such device |
| 03/11/1998 | CN1175684A Full-automatic level transit |
| 03/10/1998 | US5724744 Self-leveling device mounted on a rotating base for projecting laser rays |
| 02/12/1998 | WO1998005926A1 Automatic collimation method and automatic collimation apparatus |
| 02/03/1998 | US5715101 Focusing apparatus for a surveying instrument |
| 01/27/1998 | US5711080 Encoder disc rotating device for a surveying instrument |
| 01/06/1998 | US5705804 Quadrant light detector |