| Patents for G01C 3 - Measuring distances in line of sight; Optical rangefinders (8,275) |
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| 03/10/1988 | WO1988001367A3 Spurious electromagnetic energy discriminator for electro-optical inspection systems |
| 02/25/1988 | WO1988001367A2 Spurious electromagnetic energy discriminator for electro-optical inspection systems |
| 02/25/1988 | DE3628350A1 Tachymetry arrangement |
| 02/23/1988 | US4727258 Optoelectronic system for passive range metering |
| 02/23/1988 | US4726685 Optical measuring device for detecting surface characteristics of object |
| 02/09/1988 | CA1232444A1 Method and apparatus for the contact-less measuring of objects |
| 01/26/1988 | US4721384 Optical-electronic rangefinder |
| 01/19/1988 | US4720724 Method and apparatus for automatic range finding |
| 01/19/1988 | US4720723 Distance measuring device |
| 12/29/1987 | US4716430 Pulse proximity detection |
| 12/16/1987 | EP0249591A2 Method for measuring and displaying the distance between a motor vehicle and an obstacle, and capacitive measuring instrument for motor vehicles |
| 12/09/1987 | EP0248479A1 Arrangement for optically measuring a distance between a surface and a reference plane |
| 12/01/1987 | US4710020 Beacon proximity detection system for a vehicle |
| 12/01/1987 | US4710011 Automatic range finding device |
| 11/19/1987 | WO1987007011A1 Process for measuring the distance between a machine-tool and a workpiece |
| 11/19/1987 | WO1987007008A1 Machine-tool, preferably drilling machine |
| 11/19/1987 | EP0246130A1 Detector for the linear, non-contacting measurement of the distance to a target using scattered radiation |
| 11/19/1987 | EP0246018A2 Distance measuring method and means |
| 11/12/1987 | DE3615874A1 Verfahren zur messung der entfernung einer handwerkzeugmaschine von einem werkstueck A method for measuring the distance of a hand machine tools of a workpiece |
| 11/10/1987 | US4705395 Triangulation data integrity |
| 10/29/1987 | DE3614332A1 Method and device for increasing the sensitivity in optical range finding |
| 10/22/1987 | WO1987006353A1 Method for the three-dimensional surveillance of the object space |
| 10/20/1987 | US4701049 Measuring system employing a measuring method based on the triangulation principle for the non-contact measurement of a distance from the surface of a contoured object to a reference level. _ |
| 10/20/1987 | US4701048 Input circuit for distance measuring apparatus |
| 10/15/1987 | DE3612062A1 Distance measuring device for ski jumpers |
| 10/14/1987 | EP0240893A2 Device for the contactless measuring of geometric sizes |
| 10/06/1987 | US4698493 Method and apparatus for measuring distance utilizing binocular optics |
| 10/06/1987 | US4697921 Device for detecting a relative change in distance between two measuring points, and its use |
| 10/06/1987 | US4697904 Automatic focusing system |
| 10/06/1987 | CA1227866A1 Spatial imaging system |
| 09/23/1987 | EP0238195A1 Dual light source locating and tracking system |
| 09/22/1987 | US4695719 Apparatus and method for opto-electronic package |
| 09/16/1987 | EP0236296A1 Process and apparatus for distance measurement by laser |
| 09/15/1987 | US4694149 Focus adjusting device |
| 09/15/1987 | US4693597 Distance measuring device with signal processing circuit for position sensitive detector |
| 09/02/1987 | EP0234562A2 Displacement sensor |
| 09/01/1987 | US4690549 Apparatus for detecting distance to an object |
| 08/25/1987 | US4689480 Arrangement for improved scanned 3-D measurement |
| 08/19/1987 | CN86210052U Ranging rod |
| 08/18/1987 | US4687920 Electronic circuit for determining the position of a light spot on a position-sensitive detector |
| 08/18/1987 | US4687914 Distance measuring device comprising a two sectioned sensor, each section having a plurality of sensing areas |
| 07/28/1987 | US4682886 Distance measuring device |
| 07/28/1987 | US4682872 Signal processing apparatus for a semiconductor position sensing device |
| 07/22/1987 | EP0132260B1 Device for determining a modification of the relative distance between two measurement points and utilization thereof |
| 07/21/1987 | US4681432 Information signal processing device |
| 07/21/1987 | US4681431 Optical ranging anti-collision technique and system |
| 07/07/1987 | US4679147 Navigation system with capability of instructing running direction |
| 07/07/1987 | US4678902 Fiber optic transducers with improved sensitivity |
| 07/07/1987 | US4678324 Range finding by diffraction |
| 07/07/1987 | US4678323 Distance measuring devices and light integrators therefor |
| 07/07/1987 | US4677753 Collision risk assessment system |
| 06/23/1987 | US4675517 Photosensitive element having supplementary light sensitive regions to correct for light spot diameter variations |
| 06/23/1987 | US4674855 Signal processing apparatus for photoelectric converting element array |
| 06/16/1987 | US4673817 Measuring system for contactless measuring the distance between a predetermined point of an object surface and a reference level |
| 06/04/1987 | DE3542047A1 Electro-optical surveying device for securing evidence in the case of accidents in road traffic and for recordings at the site of a crime |
| 05/12/1987 | US4664512 Three-dimensional range finder |
| 04/28/1987 | US4660970 Method and apparatus for the contact-less measuring of objects |
| 04/28/1987 | US4660969 Device for searching objects within wide visual field |
| 04/08/1987 | CN85107272A Portable frequency meter |
| 04/07/1987 | US4655586 Adjustable zone proximity sensor |
| 03/31/1987 | US4653905 Fiber optic range finder systems |
| 03/24/1987 | US4652119 Range finder |
| 03/24/1987 | US4652107 Distance measuring device |
| 03/11/1987 | EP0213544A2 Distance sensing apparatus |
| 03/03/1987 | US4647775 Pyrometer 1 |
| 03/03/1987 | US4647209 Optical measuring instrument for the contactless measurement of distances |
| 03/03/1987 | US4647193 Optical target ranging apparatus |
| 02/25/1987 | EP0047250B1 Dimension measuring apparatus |
| 02/24/1987 | US4645955 Signal conversion circuit for photosensor array |
| 02/10/1987 | US4642451 Distance measuring device with various controls of the light emitting means |
| 02/03/1987 | US4640613 Image data comparison circuit for rangefinders |
| 01/27/1987 | US4639140 Optical surface proximity measuring device and its application to the plotting of the profile of a surface |
| 01/20/1987 | US4637715 Optical distance measuring apparatus |
| 01/20/1987 | US4637705 Automatic focusing camera |
| 12/30/1986 | US4633319 Method and apparatus for detecting focusing in an image pickup device |
| 12/30/1986 | US4633077 Photoelectric switch with limit setting means to prevent disablement when the amplifier is saturated |
| 12/30/1986 | EP0206840A2 Semiconductor light position detector for rangefinder |
| 12/30/1986 | EP0206744A2 Optical sensing of a surface |
| 12/16/1986 | US4629877 Photo-electric conversion device |
| 11/12/1986 | EP0201036A2 Automatic focusing apparatus |
| 11/11/1986 | US4621917 Automatic focusing adjustment device |
| 10/22/1986 | EP0198253A2 Light sensor |
| 10/15/1986 | CN86102577A Light sensor |
| 10/09/1986 | WO1986005872A1 Process and apparatus for distance measurement by laser |
| 10/08/1986 | EP0196980A1 View finder for optical ranging |
| 10/07/1986 | US4615616 Measuring distance apparatus |
| 09/30/1986 | US4614418 Distance detection apparatus |
| 09/16/1986 | US4611911 Electro-optical distance measuring device |
| 09/16/1986 | US4611910 Range finder |
| 08/19/1986 | US4606630 Rangefinder |
| 08/19/1986 | US4606629 Laser archery distance device |
| 08/13/1986 | EP0190624A2 Opto-electronic rangefinder |
| 07/30/1986 | EP0188827A1 Electronic circuit for determining the position of a light spot on a position-sensitive detector |
| 07/22/1986 | US4601574 Distance measuring apparatus |
| 07/15/1986 | US4601053 Automatic TV ranging system |
| 06/04/1986 | EP0183240A2 Surface position sensor |
| 05/27/1986 | US4591987 Video rangefinder |
| 05/20/1986 | US4589773 Position detecting system |
| 05/10/1986 | CN85100452A "no scaleplate" measuring apparatus |
| 04/22/1986 | US4584704 Spatial imaging system |