| Patents for G01C 1 - Measuring angles (3,035) |
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| 12/31/1997 | WO1997050129A1 Improved photovoltaic supply unit applicable to theodolites and the like |
| 12/10/1997 | EP0811727A1 Controller for construction machines |
| 12/10/1997 | CN1167184A Controller for construction machinery |
| 11/27/1997 | WO1997044638A1 Quadrant light detector |
| 11/27/1997 | CA2244157A1 Quadrant light detector |
| 11/25/1997 | US5689892 Adjustment mechanism for a theodolite |
| 10/30/1997 | DE19709933A1 Electronic meter e.g. for length, angle, temperature, pressure |
| 10/22/1997 | EP0802395A2 Driving arrangement for aligning a theodolite |
| 10/21/1997 | US5680208 Gravity oriented laser scanner |
| 09/24/1997 | EP0797076A2 Surveying system |
| 09/17/1997 | EP0795115A2 System and method for measuring angular position |
| 09/16/1997 | US5668629 Remote tracking system particulary for moving picture cameras and method |
| 09/04/1997 | WO1997032184A1 Gravity oriented laser scanner |
| 08/20/1997 | EP0790484A2 Horizontal position error correction mechanism for electronic level |
| 08/14/1997 | WO1997029344A1 A device for fixing geodesic devices |
| 08/14/1997 | WO1997029343A1 Method and device for fixing geodesic instruments |
| 07/29/1997 | US5652403 Keyboard musical instrument allowing player to perform ensemble together with electronic sound system |
| 07/24/1997 | DE19623060C1 Geodetic tacheometer and theodolite for coarse object seeking |
| 07/22/1997 | US5650949 Electronic survey instrument |
| 07/16/1997 | EP0783663A1 Improved boresight with single-beam triaxial measurement |
| 06/18/1997 | EP0778958A1 Orientation locating system for an observation instrument |
| 06/18/1997 | CN1152116A Horizontal position error correcting mechanism of electronic level gauge |
| 06/17/1997 | US5639966 Machine height measuring method and machine height measuring device for surveying machines |
| 05/28/1997 | DE19543483A1 Angle measurement method, e.g. for data storage device, e.g. disc drive |
| 05/20/1997 | US5631732 Method of remotely determining roadway crown elevation |
| 04/24/1997 | DE19548752C1 Airborne target tracking and measuring device |
| 04/15/1997 | US5621531 Self-aligning sewer pipe laser |
| 04/09/1997 | EP0766810A1 Optical device for determining the position of a reflective graticule |
| 03/26/1997 | EP0764349A1 Method and apparatus for determining direction |
| 03/13/1997 | DE19615515C1 Theodolite alignment drive |
| 02/20/1997 | WO1997006409A1 Process and device for the rapid detection of the position of a target marking |
| 02/06/1997 | DE19528465A1 Verfahren und Vorrichtung zur Erfassung der Lage einer Zielmarke Method and apparatus for detecting the position of a target mark |
| 01/21/1997 | US5596403 System and method for measuring angular position |
| 11/27/1996 | CN2241321Y Force type single lever operator |
| 11/21/1996 | DE19615607A1 Key instrument for ensemble playing |
| 11/07/1996 | DE19616832A1 Focussing system for surveyor's level |
| 10/30/1996 | EP0640206A4 Optical receiver for area location system. |
| 10/17/1996 | DE19614235A1 Theodolite having object-viewing telescope with auto-focussing, for construction industry |
| 10/09/1996 | EP0736748A2 Method and apparatus for pipeline alignment using laser |
| 09/25/1996 | EP0733546A1 Three axis stabilized spacecraft and method of sun acquisition |
| 09/11/1996 | CN1130754A Surveying instrument |
| 07/24/1996 | EP0722559A1 A navigation device for a land vehicle with means for generating a multi-element anticipatory speech message, and a vehicle comprising such device |
| 06/13/1996 | WO1996018080A2 System and method for measuring angular position |
| 06/12/1996 | EP0716288A1 Surveying instrument |
| 05/21/1996 | US5519642 Electronic survey instrument |
| 05/08/1996 | CN2226748Y Angle measuring device on digital azimuth finder for seaway |
| 05/02/1996 | WO1996006326A3 A navigation device for a land vehicle with means for generating a multi-element anticipatory speech message, and a vehicle comprising such device |
| 04/30/1996 | US5513044 Resetting mechanism for electronic theodolite |
| 04/11/1996 | WO1996010729A1 Improved boresight with single-beam triaxial measurement |
| 03/27/1996 | CN2223481Y Improved structure for equatorial telescope |
| 03/26/1996 | US5501018 Tribrach device |
| 03/07/1996 | WO1996007120A1 Orientation locating system for an observation instrument |
| 02/29/1996 | WO1996006326A2 A navigation device for a land vehicle with means for generating a multi-element anticipatory speech message, and a vehicle comprising such device |
| 02/06/1996 | US5488777 Utility line angle measurement device |
| 01/11/1996 | DE4421783A1 Optische Einrichtung und Verfahren zum Bestimmen der Lage einer reflektierenden Zielmarke Optical device and method for determining the location of a reflective target |
| 12/28/1995 | WO1995035480A1 Optical device for determining the position of a reflective graticule |
| 12/20/1995 | CN1113566A Ecliptic theodolite |
| 12/19/1995 | US5475930 Rotating and driving system for survey instrument |
| 12/14/1995 | WO1995034101A1 Method and apparatus for determining direction |
| 12/07/1995 | DE4419524A1 Precision turntable platform for geodetic survey instrument |
| 10/26/1995 | WO1995028614A1 Detecting device |
| 10/18/1995 | CN1110399A Survey instrument |
| 10/17/1995 | CA2040463C Spacecraft earth-pointing attitude acquisition method |
| 07/05/1995 | EP0661519A1 Surveying instrument |
| 06/21/1995 | EP0409875B1 Method and sensor for opto-electronic angle measurements |
| 06/14/1995 | EP0657716A1 Resetting mechanism for electronic theodolite |
| 06/06/1995 | US5421096 Gear driven alidade assembly |
| 05/23/1995 | US5418609 Apparatus and method for mounting a range finding instrument to a theodolite telescope |
| 05/09/1995 | US5414516 Position measuring apparatus |
| 03/28/1995 | US5400515 Water-proof structure for measuring apparatus |
| 03/01/1995 | EP0640206A1 Optical receiver for area location system |
| 02/22/1995 | CN2190281Y Aligning accessory for theodolite |
| 02/08/1995 | CN2189309Y Multi-function laser measuring instrument |
| 12/08/1994 | DE4419050A1 Position measuring device |
| 10/26/1994 | EP0621458A1 Electronic survey Instrument |
| 10/11/1994 | US5355222 Optical receiver for area location system |
| 08/09/1994 | US5337241 Spacecraft attitude sensor having an optical apparatus for increasing applications thereof |
| 07/20/1994 | EP0606910A1 Electronic survey instrument |
| 06/29/1994 | CN2170503Y Computerized machine for checking on work attendance of factory and mine |
| 05/17/1994 | US5313409 Arrangement for performing position determination |
| 04/07/1994 | DE4233144A1 Sextant esp. for use in military navigation system - has radiation sensor, north=seeking sensor and navigation computer connection for earth coordinate position determn. |
| 03/29/1994 | US5297762 Optical navigation sensor with single two-dimensional CCD |
| 03/24/1994 | DE4231068A1 Tripod stand for geodetic instrument, e.g. tacheometer or theodolite - has stand plate at upper end of tripod for fixing instrument to stand which can be adjusted for its inclination to horizontal |
| 03/16/1994 | CN1083921A Method and device for surveying angle |
| 02/16/1994 | CN2156477Y Quick plane plate measuring and drawing instrument |
| 02/01/1994 | US5283754 Procedure for measuring angles between reference directions by means of a gyro |
| 01/11/1994 | US5276972 For positioning an antenna |
| 01/04/1994 | US5274926 Antenna aiming instrument |
| 12/29/1993 | CN2151444Y Full functional theodolite for GQJ engineering |
| 12/08/1993 | EP0466800B1 An arrangement for establishing or defining the position of a measuring point |
| 12/08/1993 | EP0465584B1 An arrangement for performing position determination |
| 11/25/1993 | WO1993023719A1 Optical receiver for area location system |
| 11/25/1993 | DE4217000A1 Laser pen arrangement in geodetic device telescope tube for theodolite etc. - has objective with several lenses combined with smaller dia. lens, laser diode and apertures |
| 11/23/1993 | US5264910 Apparatus and method for angle measurement |
| 11/09/1993 | CA2016219C Apparatus pursuing the sun |
| 09/15/1993 | EP0560213A1 Waterproof mounting for a telescope |
| 07/20/1993 | US5229828 Arrangement for establishing or defining the position of a measuring point |
| 07/20/1993 | US5229594 Method of measuring the exact position of the energy center of an image spot of a bright object on a photosensitive detector |
| 07/13/1993 | US5227619 Device for determining the direction of a low-luminosity emissive source and its use in stellar observation |
| 07/06/1993 | US5225885 Apparatus for determining the attitude of a celestial body orbiting spacecraft or satellite relative to the celestial body |