| Patents for G01C 3 - Measuring distances in line of sight; Optical rangefinders (8,275) |
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| 03/17/1994 | WO1994005970A1 Spatial positioning system |
| 03/17/1994 | CA2143838A1 Spatial positioning systems |
| 03/10/1994 | DE4328902A1 Optical range measuring device for object such as vehicle - compares left and right images of object provided by respective optical systems and image sensors |
| 03/09/1994 | EP0585893A1 Procedure and device for very precise distance measurement of surfaces |
| 03/03/1994 | WO1994004942A1 Validation of optical ranging of a target surface in a cluttered environment |
| 03/02/1994 | CN1083227A Remote control camera and control method therefor |
| 03/01/1994 | US5291424 Distance detecting apparatus |
| 03/01/1994 | US5291263 Laser range finder using a nonlinear crystal |
| 02/23/1994 | EP0308466B1 Distance measuring device |
| 02/22/1994 | US5289264 Method and apparatus for ascertaining the absolute coordinates of an object |
| 01/31/1994 | CA2086664A1 Light scatter estimation method with range scanner and device |
| 01/31/1994 | CA2075070A1 Range scanner motion estimation method and device |
| 01/25/1994 | US5282014 Laser rangefinder testing system incorporationg range simulation |
| 01/25/1994 | US5282013 Passive ranging technique for infrared search and track (IRST) systems |
| 01/18/1994 | US5280332 Method and apparatus for self-correcting, direct sensing coincidence sensor for optical rangefinders |
| 12/27/1993 | CA2098902A1 Passive ranging technique for infrared search and track (irst) systems |
| 12/16/1993 | DE4319819A1 Distance meter using triangulation for automatic focus for camera - has reflected infrared beam collector consisting of near and far region collectors for directing light respectively to near and far region position sensitive detectors. |
| 12/14/1993 | US5270795 Validation of optical ranging of a target surface in a cluttered environment |
| 12/14/1993 | US5270765 Automatic focusing system for a camera having a range finder |
| 12/08/1993 | EP0465584B1 An arrangement for performing position determination |
| 12/07/1993 | US5268744 Method of positioning a wafer with respect to a focal plane of an optical system |
| 12/07/1993 | US5268729 Means for repeatedly measuring object distance responsive to pulse light reflected from an object and utilizing the measurements for photographing |
| 11/23/1993 | US5264892 Camera distance measuring apparatus |
| 11/16/1993 | US5262838 Apparatus and means for binocular, switchable to binocular rangefinder without light loss |
| 10/28/1993 | WO1993021497A1 Apparatus for measuring distance |
| 10/27/1993 | EP0567013A1 An inter-vehicle distance detecting device |
| 10/27/1993 | EP0566796A1 Optical transform generating apparatus |
| 10/26/1993 | US5257062 Focusing detection apparatus |
| 10/26/1993 | US5257022 Method and apparatus for following a vehicle |
| 10/26/1993 | US5256884 Method and apparatus for the alignment of paper stacks in a printing press by optical beams reflected therefrom |
| 10/20/1993 | EP0553266A4 Method and apparatus for three-dimensional non-contact shape sensing |
| 10/19/1993 | US5255064 Distance-measuring equipment |
| 10/12/1993 | US5253050 Trigonometrical |
| 10/12/1993 | US5253032 Active distance measuring apparatus |
| 10/05/1993 | US5251000 Apparatus for measuring a distance between two running vehicles using light wave |
| 10/05/1993 | CA1322670C Photoelectric detector |
| 09/28/1993 | US5249128 System and method for determining the distance to an energy emitting object |
| 09/22/1993 | EP0561660A1 Method and apparatus for determining the relative position and trajectory of two spacecraft |
| 09/14/1993 | US5245398 Time-multiplexed multi-zone rangefinder |
| 09/08/1993 | EP0559120A1 Procedure and device to measure distances |
| 09/07/1993 | US5243397 Distance measuring system |
| 09/01/1993 | EP0558026A1 An obstacle detecting device for a vehicle |
| 08/10/1993 | US5235377 Measuring apparatus for camera |
| 08/04/1993 | EP0553266A1 Method and apparatus for three-dimensional non-contact shape sensing. |
| 08/04/1993 | EP0543954A4 Spatial positioning system |
| 08/03/1993 | US5233382 Range finding device unaffected by environmental conditions |
| 07/22/1993 | WO1993014376A1 Structure of semiconductor element for detecting image position and method of detecting image position |
| 07/20/1993 | US5229829 Height sensor and air cushion |
| 07/20/1993 | US5229806 Multi-point range finding device |
| 07/20/1993 | US5229619 Apparatus for optically measuring the height of surface irregularities having an imaged scanning spot formed on a radiation diffusive screen |
| 07/13/1993 | US5227890 Automatic focusing device which focuses a lens based on a Z-transformation polynomial |
| 06/29/1993 | US5223907 Guard rail detecting device |
| 06/23/1993 | EP0547565A2 Apparatus for measuring the distance between two moving vehicles using light waves |
| 06/22/1993 | US5222156 Object information processing apparatus |
| 06/17/1993 | DE4137068A1 Integrated optical multiple distance sensor for object position detection in vehicle - has rows or arrays of position sensitive diodes and LEDs or laser diodes, with transmission and reception lenses |
| 06/16/1993 | EP0546518A1 Inter-vehicle distance measuring device |
| 06/10/1993 | WO1993011403A1 Optical distance sensor |
| 06/08/1993 | US5218414 Distance measuring apparatus utilizing two-dimensional image |
| 06/08/1993 | US5216815 Method of passive range determination using only two bearing measurements |
| 06/02/1993 | EP0543954A1 Spatial positioning system. |
| 06/02/1993 | CN1021082C Ranging device for simulator of direct aiming shoot |
| 06/01/1993 | US5216408 Inter-vehicle distance detecting device for automatic tracking of a preceding car |
| 05/25/1993 | US5214467 Distance measuring device of camera |
| 05/18/1993 | US5212533 Light wave distance meter |
| 05/11/1993 | US5210585 Range finder having a plurality of signal reception means |
| 05/05/1993 | EP0540142A1 Substrate advance measurement system |
| 05/05/1993 | EP0539598A1 Method of detecting position in a laser sensor and device therefor |
| 05/04/1993 | US5208642 Electro-optical distance meter |
| 05/04/1993 | US5207003 Target and system for three-dimensionally measuring position and attitude using said target |
| 04/13/1993 | US5202740 Method of and device for determining the position of a surface |
| 03/31/1993 | EP0534284A2 Method and device for determining the absolute coordinates of an object |
| 03/30/1993 | US5198877 Method and apparatus for three-dimensional non-contact shape sensing |
| 03/24/1993 | EP0533590A2 Distance measuring method and apparatus |
| 03/23/1993 | US5196900 Method and sensor for opto-electronic angle measurements |
| 03/16/1993 | US5195144 Process for estimating the distance between a stationary object and a moving vehicle and device for using this process |
| 03/10/1993 | EP0301019B1 Method for the three-dimensional surveillance of the object space |
| 03/09/1993 | US5193124 Computational methods and electronic camera apparatus for determining distance of objects, rapid autofocusing, and obtaining improved focus images |
| 03/03/1993 | EP0529619A2 Inter-car distance detecting device for tracking a car running ahead |
| 03/03/1993 | EP0529558A2 Inter-car distance detecting device |
| 02/16/1993 | US5187537 Vehicle following apparatus |
| 02/02/1993 | US5184168 Distance measuring apparatus for camera, which controls outputs from multi-electrodes PSD |
| 02/02/1993 | US5184021 Method and apparatus for measuring the dimensions of patterned features on a lithographic photomask |
| 01/26/1993 | US5182612 Method of measurement of an angle of incidence of a luminous beam, measuring device for carrying out the method and use of the device for the measurement of distances |
| 01/19/1993 | US5180922 Distance measuring apparatus with phase detection |
| 01/07/1993 | WO1993000568A1 Time-multiplexed multi-zone rangefinder |
| 01/05/1993 | US5177462 Car interval control apparatus |
| 12/16/1992 | EP0518012A1 Multi-point range finding device |
| 12/01/1992 | US5168355 Apparatus for detecting distance between cars |
| 11/26/1992 | WO1992020993A1 Method of detecting position in a laser sensor and device therefor |
| 11/25/1992 | EP0514403A1 Electro optical apparatus |
| 11/24/1992 | US5166878 Method and apparatus of computer aided surveying for obtaining digital, 3d topographic information |
| 11/19/1992 | EP0513801A1 Distance measuring apparatus utilizing two-dimensional image |
| 11/19/1992 | EP0513061A1 Distance indicator |
| 11/17/1992 | US5165108 Vehicle-to-vehicle distance detecting apparatus |
| 11/11/1992 | EP0512919A1 Device for remotely measuring the position of an object |
| 11/10/1992 | US5162861 Laser imaging and ranging system using one camera |
| 11/08/1992 | CA2068113A1 Remote measuring device to determine the position of an object |
| 11/03/1992 | US5160834 Multidirectional divided-pupil focus detecting apparatus |
| 10/28/1992 | EP0510363A1 Distance measuring device |
| 10/27/1992 | US5159557 Distance detecting apparatus and method for a vehicle |