| 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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| 04/24/1991 | EP0424359A2 Device for emitting multislit lights |
| 04/24/1991 | EP0424097A1 Article detection device and method for detecting the article |
| 04/18/1991 | WO1991005269A1 Laser radar system for the detection of clear air turbulence |
| 04/18/1991 | DE3932844A1 Location measuring for obstacles moving into plane with random edge - has photoelectric system, whose transceiver photo-beams scan edge contour by power driven deflection mirror |
| 04/17/1991 | EP0422415A2 Imaging lidar method and apparatus |
| 04/17/1991 | EP0422249A1 Optical distance sensor |
| 04/16/1991 | US5008557 Position detector for moving vehicle |
| 04/16/1991 | US5008529 Photoelectric switching apparatus of reflection type projecting red and infrared light |
| 04/13/1991 | CA2021449A1 Imaging lidar system |
| 04/11/1991 | DE3911529A1 Identification of objects in vehicle space - using CCD camera and flash system to identify objects for safety purposes |
| 04/09/1991 | US5006813 Nonlinear optical doppler imaging amplifier |
| 04/09/1991 | US5006700 Distance-measuring apparatus for camera |
| 04/09/1991 | US5005970 Distance detecting apparatus |
| 04/04/1991 | WO1991004499A1 A method of, and apparatus for, detecting an object |
| 04/04/1991 | DE4005919C1 Ascertaining range of vision of car driver in fog - using range finder transmitting signals and receiving those reflected from road surface not covered by fog |
| 04/04/1991 | DE3932216A1 Vehicular headlamp system giving early warning of obstacles - maintains main-beam headlamps in operation but masked by infrared filters while dipped headlamps are on |
| 04/03/1991 | EP0420447A2 Ofsetting the course of a laser guided vehicle |
| 04/02/1991 | US5005144 Signal processing system for flow velocity in laser doppler velocimeter |
| 04/02/1991 | US5005128 Automated vehicle control |
| 04/02/1991 | US5005085 Controllable semiconductor image sensor and arrangement with such a sensor |
| 03/27/1991 | EP0419425A2 Differential fluorescence lidar and associated detection method |
| 03/27/1991 | EP0419082A2 Optical distance gauging apparatus |
| 03/27/1991 | EP0418446A1 Method of and device for detecting the position of a body |
| 03/27/1991 | EP0418325A1 Low level wind shear warning system |
| 03/26/1991 | US5003166 Multidimensional range mapping with pattern projection and cross correlation |
| 03/26/1991 | US5002396 Displacement telemetering system |
| 03/26/1991 | US5002388 Optical distance measuring apparatus having a measurement error compensating function |
| 03/26/1991 | CA1282146C Aircraft collision warning system |
| 03/21/1991 | CA2025468A1 Differential fluorescence lidar and associated detection method |
| 03/20/1991 | EP0418132A1 Apparatus for target detection |
| 03/20/1991 | EP0418034A2 Improved thermal beacon assembly |
| 03/20/1991 | EP0417665A2 Method and apparatus for optical position and/or course determination of a driverless self-propelled vehicle in the x-y plane |
| 03/19/1991 | US5001683 Inter-pulse time difference measuring circuit |
| 03/19/1991 | US5001557 Method of, and apparatus for, controlling the position of an automatically operated door |
| 03/19/1991 | US5001488 Battlefield IFF method and system for its application |
| 03/19/1991 | US5000567 Laser radar system for detecting an object |
| 03/12/1991 | US4999488 Method to continuously count the courses or picks of a moving fabric |
| 03/07/1991 | WO1991002942A1 Portable localizer siting system |
| 03/07/1991 | DE4020758A1 Measuring object distance using natural radiation emission - involves comparing intensities of measurement and reference beams, e.g. for autofocussing chambers |
| 03/05/1991 | US4997283 Vehicle straightener measuring unit, measuring apparatus reliant on reflected beams, and source, targets and method |
| 02/26/1991 | US4996468 Automated guided vehicle |
| 02/26/1991 | US4996440 Device for measuring dimensions |
| 02/26/1991 | US4996430 Object detection using two channel active optical sensors |
| 02/26/1991 | US4996415 Apparatus for detecting the presence and position of an object |
| 02/26/1991 | US4995720 Pulsed coherent Doppler laser radar |
| 02/22/1991 | CA2023731A1 Portable localizer siting system |
| 02/21/1991 | WO1991002281A1 Modulated retroreflector system |
| 02/19/1991 | US4995102 Scanning method used by laser radar and laser radar for carrying out the method |
| 02/19/1991 | US4994681 Device for detecting the position of a moving body, in particular an aircraft, in a plane |
| 02/19/1991 | US4994678 Apparatus for detecting a sheet by displacement of a roller |
| 02/19/1991 | US4993830 Depth and distance measuring system |
| 02/14/1991 | DE3926438A1 Measuring path of motion of point moving in plane or space - using three displacement transducers with scales in edge of region of anticipated path |
| 02/12/1991 | US4991966 Optical positioning method and system |
| 02/12/1991 | US4991953 Scanning laser vitreous camera |
| 02/12/1991 | US4991509 Optical proximity detector |
| 02/07/1991 | WO1991001482A1 Wind shear detector |
| 02/05/1991 | US4991183 Target illuminators and systems employing same |
| 02/05/1991 | US4991149 Underwater object detection system |
| 02/05/1991 | US4990791 Multi-dimensional laser Doppler velocimeter |
| 01/31/1991 | DE3924684A1 Imaging arrangement for optical distance and reflectivity measurement - e.g. for automation of visual testing, using aperture in image side focal plane |
| 01/31/1991 | DE3924290A1 Optical distance measurement arrangement with Fourier system - has position sensitive correction detector in correction arm of beam divider for correction of aperture intensity distribution errors |
| 01/31/1991 | DE3922085C1 Close distance measurer for two motor vehicles - sends light pulses and HF pulses for evaluation for safety precaution |
| 01/29/1991 | US4987832 Method and apparatus for increasing the effectiveness of projectiles |
| 01/22/1991 | US4986653 Light wave range finder |
| 01/17/1991 | DE4015912A1 Photoelectric switch emitting light pulse signal |
| 01/10/1991 | DE4018981A1 Measuring angular position of moving target - using modulated laser beam in conjunction with acoustically controlled deflection system |
| 01/08/1991 | US4983844 Fast atomic line filter |
| 01/08/1991 | US4983033 Automatic range finder for camera |
| 01/08/1991 | US4983021 Modulated retroreflector system |
| 01/03/1991 | DE3919917A1 Optical sensor identifying and/or locating object - uses matrix of discret light sources at known spacing and main radiation angle |
| 01/02/1991 | EP0405795A2 Method and apparatus for a target determining apparatus having increased range |
| 01/02/1991 | EP0405423A2 Method and device to determine the position of an object |
| 12/27/1990 | EP0404749A2 A device for measuring dimensions |
| 12/27/1990 | EP0403588A1 Method of intrusion detection |
| 12/25/1990 | US4980547 Optical position location apparatus |
| 12/25/1990 | US4979816 Range sensing system |
| 12/22/1990 | CA2018724A1 Device for measuring dimensions |
| 12/18/1990 | US4978221 Laser distance and altitude measuring apparatus |
| 12/18/1990 | CA1278063C Detection of a glass sheet heated to deformation temperature |
| 12/18/1990 | CA1277851C Laser doppler spectrometer for the statistical study of the behavior of microscopic organisms |
| 12/13/1990 | WO1990012330A3 Hand-held laser rangefinder |
| 12/13/1990 | DE3918998A1 Vehicle with reversing protection device - has infrared sensor on rear controlling motor cut-out if person is behind vehicle |
| 12/11/1990 | US4976543 Method and apparatus for optical distance measurement |
| 12/11/1990 | US4976537 Distance measuring device with plural differing reference voltages |
| 12/04/1990 | US4975237 Dynamic light scattering apparatus |
| 12/04/1990 | CA1277392C Target and control system for positioning an automatically guided vehicle |
| 11/27/1990 | US4973969 Coherent frequency burst detector apparatus and method |
| 11/27/1990 | US4973837 Proximity detectors with dual-speed tracking circuitry |
| 11/27/1990 | US4973834 Optical switching device employing a frequency synchronous circuit |
| 11/27/1990 | US4973154 Three-dimensional object |
| 11/27/1990 | US4973153 Method and apparatus for finding range |
| 11/22/1990 | EP0398563A2 Fiber optic triangulation gage |
| 11/21/1990 | CN1010507B Two-demension laser doppler speedometer with dual differential acousto acoustooptic optic frequency shift |
| 11/20/1990 | US4972070 Sensor operated water flow control with separate filters and filter retainers |
| 11/18/1990 | CA2016512A1 Fiber optical triangulation gage |
| 11/14/1990 | EP0396865A2 Optical radar |
| 11/14/1990 | EP0396822A1 Remote mine with optical seeking fuse |
| 11/13/1990 | US4970401 Non-contact triangulation probe system |
| 11/13/1990 | US4970384 Optical sensor for detecting distance to an object including anamorphic light receiving lens |
| 11/13/1990 | US4969736 Integrated fiber optic coupled proximity sensor for robotic end effectors and tools |