| Patents for G01S 17 - Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems (17,638) |
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| 09/19/1991 | WO1991014188A1 Method and apparatus for locating objects |
| 09/19/1991 | DE4007646A1 View improving system for vehicle - has illumination optics, radiating IR light with fixed transmission polarisation |
| 09/19/1991 | CA2077337A1 High modulus multifilament spokes and method |
| 09/17/1991 | US5049756 Method and system for detecting forest fires |
| 09/17/1991 | US5048950 Optical radar |
| 09/11/1991 | EP0446163A1 Inter-vehicle communication apparatus by means of infrared rays |
| 09/10/1991 | US5047776 Multibeam optical and electromagnetic hemispherical/spherical sensor |
| 09/10/1991 | US5047638 Passive boresighting system |
| 09/10/1991 | US5046851 Position sensing method and apparatus |
| 09/10/1991 | US5046839 Golf course range finder system |
| 09/05/1991 | WO1991013319A1 Laser detector system |
| 09/05/1991 | DE4006690A1 Measuring speed of moving surface by laser beam - superimposing scattered, Doppler-shifted light unshifted light and measuring resulting beat frequency |
| 09/04/1991 | EP0444402A2 Method and apparatus for indicating visibility in fog to drivers of motor vehicles |
| 09/03/1991 | US5044744 Method and apparatus for distance measurement using electromagnetic waves |
| 08/29/1991 | DE4005066A1 Dock-side container handling gantry - has control processor supervising automatic container handling |
| 08/28/1991 | EP0443909A1 Method and optical system for measuring the air temperature by laser excitation, especially in front of an air-ship |
| 08/28/1991 | EP0443643A2 Method and apparatus for adjusting a vehicle sensor |
| 08/28/1991 | EP0443185A2 Method and device for assisting a motorist when changing lanes |
| 08/27/1991 | US5043564 Dual integration type electro-optical distance measuring device wherein the first integration time is reverse integrated |
| 08/27/1991 | US5042428 Implement for milking an animal |
| 08/27/1991 | CA1288150C Optical ranging by phase shift measurement |
| 08/22/1991 | DE4004530A1 Optical distance measuring appts. - has light transmitters and receivers forming transducer pairs |
| 08/22/1991 | DE4004529A1 Reflex light scanner with background filtering - has cylindrical lenses focusing source, receptor beam paths to give background filtering and sufficiently, broad beam |
| 08/21/1991 | EP0442393A2 Three-dimensional contour measuring apparatus |
| 08/20/1991 | US5042048 Target illuminators and systems employing same |
| 08/14/1991 | EP0441555A2 System for the detection of objects |
| 08/14/1991 | EP0441522A2 Control device for an automobile |
| 08/14/1991 | DE4004228A1 Remote inconsistency or foreign body location - uses opto-thermal-acoustic technique to measure surface oscillation and identify target locations |
| 08/13/1991 | US5040116 Visual navigation and obstacle avoidance structured light system |
| 08/08/1991 | DE4003347A1 Control for rock separation machine with driven separating tool - using successive partial separation steps and elimination of load-free movements |
| 08/07/1991 | EP0439489A1 Warning device in a motor vehicle for detection of unintentional change of course |
| 07/31/1991 | EP0439011A2 Distance measurement device |
| 07/30/1991 | US5036517 Target illuminators and systems employing same |
| 07/30/1991 | CA1287149C Range finder and method for range finding by using light pulses |
| 07/25/1991 | WO1991010913A1 Coherent frequency burst detector apparatus and method |
| 07/23/1991 | US5034810 Two wavelength in-situ imaging of solitary internal waves |
| 07/23/1991 | US5033845 Multi-direction distance measuring method and apparatus |
| 07/23/1991 | US5033508 Sensor operated water flow control |
| 07/18/1991 | DE3812984C1 Continuously locating and guiding missile or aircraft - measuring laser radiation returned from on-board reflector using transceiver goniometer unit |
| 07/17/1991 | EP0437417A2 Method and apparatus for optical distance measurement |
| 07/16/1991 | US5032023 Optical fiber based sensor for a variable depth range camera |
| 07/11/1991 | WO1991010111A1 Apparatus for measuring three-dimensional coordinate |
| 07/11/1991 | DE4040758A1 Range meter for camera - has irradiation beam projector, light receiving device, arithmetic device, A=D converter and main control unit |
| 07/10/1991 | EP0436213A2 Obstacle detection system |
| 07/09/1991 | US5030837 Thermal beacon assembly |
| 07/09/1991 | US5029999 Laser radar device |
| 07/03/1991 | EP0435768A1 Method and device of attitude measurement of a moving body by tracking a pattern placed on the body |
| 07/03/1991 | EP0435011A2 Camera for distance imaging |
| 07/02/1991 | USH933 Infrared coherent optical sensor |
| 07/02/1991 | US5029009 Imaging camera with adaptive range gating |
| 07/02/1991 | CA1285636C Optical collision avoidance system |
| 07/02/1991 | CA1285630C2 Proximity detection system for doors and the like |
| 07/02/1991 | CA1285629C2 Proximity detection system for doors and the like |
| 07/02/1991 | CA1285627C Proximity detection system for doors and the like |
| 06/29/1991 | CA2032412A1 Mobile movement restitution method through observation of a marking on said mobile, and device for executing said process |
| 06/27/1991 | WO1991009375A1 Integrated vehicle positioning and navigation system, apparatus and method |
| 06/27/1991 | WO1991009325A1 Device to make possible the bringing nearer and bringing together of two objects, particularly two space vehicles |
| 06/27/1991 | WO1991009324A1 A range-finding method and device |
| 06/27/1991 | DE3942499A1 Electro-optical vehicle distance measurer - uses spark source for a measurement beam for low power operation in transit time method |
| 06/26/1991 | EP0434191A2 Electro-optical ranging systems |
| 06/20/1991 | DE3940518A1 Illumination control for optical distance meter - measures intensity distribution along section line, enables optimal illumination |
| 06/19/1991 | EP0432887A2 Pulsed coherent Doppler laser radar |
| 06/18/1991 | US5025143 Enhanced clutter suppression apparatus for use with an infrared search and surveillance system |
| 06/18/1991 | US5024528 Alignment apparatus employing a laser light scatterer |
| 06/13/1991 | CA2025008A1 Pulsed coherent doppler laser radar |
| 06/12/1991 | WO1991009275A2 Integrated vehicle positioning and navigation system, apparatus and method |
| 06/12/1991 | EP0431299A2 Two wavelength in-situ imaging of solitary internal waves |
| 06/12/1991 | CA2071831A1 Integrated vehicle positioning and navigation system, apparatus and method |
| 06/11/1991 | US5023712 Tracking distance-measuring equipment system with means for setting a window and means for sampling image signals at predetermined time intervals |
| 06/11/1991 | US5023709 Automatic follow-up lighting system |
| 06/11/1991 | US5023617 Vehicle forward sensor antenna steering system |
| 06/11/1991 | US5022751 Portable localizer siting system |
| 06/08/1991 | CA2028885A1 Two wavelength in-situ imaging of solitary internal waves |
| 06/06/1991 | DE4037908A1 Line=of=sight recognition device for photographic viewfinder - uses corrected video data from corneal reflection to address selected imager corresp. to focus recognition zone |
| 06/05/1991 | EP0429952A2 Automatic landing system |
| 06/05/1991 | EP0429691A1 Device for determining the position of a target from a predetermined position |
| 06/04/1991 | US5021644 Presence detecting apparatus and method for automatic doors |
| 06/04/1991 | US5021643 Pointer/tracker for a phased array laser system |
| 06/04/1991 | US5020901 Multimode laser diode system for range measurement |
| 06/04/1991 | US5020620 Offsetting the course of a laser guided vehicle |
| 05/30/1991 | WO1991007672A2 Remote sensing apparatus for a vehicle |
| 05/29/1991 | DE4037907A1 Sight direction detection arrangement - forms image of light reflected from eye on line sensor, corrects for individual dispersion |
| 05/28/1991 | US5019990 Position detector for moving vehicle |
| 05/28/1991 | US5018852 Motion detection, novelty filtering, and target tracking using an interferometric technique with GaAs phase conjugate mirror |
| 05/22/1991 | EP0428027A2 Optical distance measurement device |
| 05/22/1991 | EP0427969A2 Pulse time of flight measurement device |
| 05/16/1991 | WO1991006826A1 Calibration of measuring apparatus |
| 05/14/1991 | US5015868 Real time distance sensor |
| 05/14/1991 | US5015844 Optical surveillance sensor apparatus |
| 05/14/1991 | US5014811 Frame of a vehicle |
| 05/14/1991 | CA1284202C Pulse proximity detection |
| 05/08/1991 | EP0313620A4 Monitoring of objects in an optically dense atmosphere |
| 05/08/1991 | DE3933994A1 Optische sonde zur absoluten 3-dimensionalen vermessung von einzelzaehnen und zahngruppen in der mundhoehle Optical probe for absolute 3-dimensional measurement of einzelzaehnen and dental groups in the mundhoehle |
| 05/07/1991 | US5013928 Optical equipment of fiber laser Doppler velocimeter |
| 05/07/1991 | US5013917 Imaging lidar system using non-visible light |
| 05/07/1991 | US5013151 Variable beam width laser radar system |
| 05/07/1991 | US5012574 Controlled machining of combustion chambers gears and other surfaces |
| 05/07/1991 | CA1283966C Method and apparatus for determining the distance of an object |
| 05/02/1991 | WO1991005520A1 Process and device for the three-dimensional optical measurement, especially of teeth in patients' buccal cavities |
| 05/02/1991 | EP0424409A1 Range finding device |