| Patents for G01C 3 - Measuring distances in line of sight; Optical rangefinders (8,275) |
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| 11/12/1980 | EP0018673A1 Method of measuring shooting errors and shooting error measurement device for carrying out the method |
| 11/04/1980 | US4231162 Range finder |
| 10/29/1980 | EP0018316A1 A reflector for electrooptically measuring distances |
| 10/28/1980 | US4230942 Crossed cylindrical lens |
| 10/28/1980 | US4230941 Corrector lens |
| 10/07/1980 | CA1087285A1 Laser rangefinders |
| 09/30/1980 | CA1086541A1 Digital auto focus in optical systems |
| 09/09/1980 | US4221474 Photographic camera with focussing system which time-multiplexes the signals from plural photodetectors |
| 08/20/1980 | EP0014398A2 Device for the contactless measuring of thickness or distance |
| 08/05/1980 | CA1082944A1 Method of and apparatus for the photo-electric determination of the location of at least one focal plane of an image |
| 07/15/1980 | US4212534 Device for contact-free measuring of the distance of a surface of an object from a reference plane |
| 06/24/1980 | US4209252 Optical probe assembly for detecting the position of an object surface and method |
| 06/24/1980 | CA1079955A1 Method of determining parallax effects in a stereoscopic optical system |
| 05/27/1980 | US4204772 Optical measuring system |
| 04/30/1980 | EP0010241A2 Distance sensing apparatus |
| 04/16/1980 | EP0009496A1 Multiple wall angle connection. |
| 04/01/1980 | CA1074554A1 Optical rangefinding apparatus |
| 03/04/1980 | US4191468 Range finding fiberscope |
| 02/19/1980 | US4189232 Range detecting method and apparatus |
| 02/12/1980 | US4188102 Mirror reflex camera with electronic rangefinder |
| 01/22/1980 | US4185191 Range determination system |
| 01/22/1980 | US4184968 Range sensing |
| 01/15/1980 | US4183642 Automatic focusing devices |
| 01/08/1980 | US4182564 Focusing screen for photographic cameras |
| 12/11/1979 | US4178098 Range detecting method and apparatus |
| 11/27/1979 | US4175365 Method and apparatus for measuring distances |
| 11/01/1979 | WO1979000876A1 Automatic photomask inspection system and apparatus |
| 10/23/1979 | US4171890 Dichroic rangefinder |
| 10/23/1979 | US4171885 Automatic focussing apparatus |
| 10/17/1979 | EP0004584A1 Apparatus for measuring the distance or speed of an object, a use of this apparatus and methods for operating it |
| 09/11/1979 | US4167330 Velocity measuring system |
| 09/06/1979 | WO1979000656A1 Multiple wall angle connection |
| 07/24/1979 | US4162124 Passive optical rangefinder-sextant |
| 06/26/1979 | CA1057095A1 Distance determining and automatic focusing apparatus |
| 06/12/1979 | US4158131 Method and apparatus for automatic parallax determination |
| 05/15/1979 | US4155004 Photoelectric transducing unit and system for detecting the sharpness of the image of object by means of the unit -and- a focusing arrangement |
| 04/19/1979 | WO1979000189A1 Process and device for measuring a distance by telemetry |
| 03/27/1979 | US4146327 Optical triangulation gauging system |
| 01/23/1979 | US4135815 Range finding device |
| 10/24/1978 | CA1041198A1 Erbium laser ceilometer |
| 09/12/1978 | US4113381 Surveying instrument and method |
| 08/29/1978 | US4110042 Method and apparatus for photoelectrically determining the position of at least one focal plane of an image |
| 08/22/1978 | US4108539 Reflecting lens system |
| 08/01/1978 | US4104517 Method and optical system for automatic parallax determination |
| 07/25/1978 | US4103152 Distance determining and automatic focusing apparatus with false peak discrimination |
| 07/25/1978 | US4102571 Method for optically measuring a distance |
| 05/23/1978 | US4091275 Automatic focus system with oscillation inhibit circuit |
| 05/09/1978 | US4089057 Method and device for measuring jump-lengths on a ski-jump |
| 04/18/1978 | CA1029545A1 Device for the determination of a surface profile |
| 03/28/1978 | US4081214 Low altitude optical altimeter |
| 03/07/1978 | US4078171 Digital auto focus |
| 01/31/1978 | US4071772 Apparatus for measurement of mechanical aberrations affecting stereoscopic image analysis |
| 01/24/1978 | US4070625 Apparatus for measuring the distance to the floor of the cargo hold of a ship through intervening bulk material |
| 09/20/1977 | US4049960 Focusing arrangement |
| 08/09/1977 | US4040740 Opto-electronic sensor |
| 08/09/1977 | US4040739 Method and device for generating a signal dependent on the distance of an object in an object space |
| 06/07/1977 | US4027970 Method and apparatus for passive optical fusing and distance measurement |
| 05/10/1977 | US4023029 Distance indicating mirror device |
| 04/19/1977 | US4019049 Photoelectric transducing unit and system for detecting the sharpness of the image of object by means of the unit |
| 04/12/1977 | US4016654 Range finder |
| 03/01/1977 | US4009960 Passive optical rangefinder |
| 02/08/1977 | US4006988 Photo-electric depth or turbidity meter for fluid suspensions |
| 01/25/1977 | US4004852 Integrated automatic ranging device for optical instruments |
| 12/28/1976 | US3999853 Optical range finder |
| 09/21/1976 | US3982246 General method of geometrical passive ranging |
| 08/31/1976 | US3977086 Range estimating device for golfers |
| 06/29/1976 | US3967114 Device for determining the profile of a surface |
| 06/15/1976 | US3963347 Erbium laser ceilometer |
| 06/08/1976 | US3961851 Passive stereovision range finder |
| 05/18/1976 | US3958117 Distance determining and automatic focusing apparatus |
| 04/06/1976 | US3948587 Reticle and telescopic gunsight system |
| 03/16/1976 | US3945023 Auto-focus camera with solid state range finder |
| 03/02/1976 | US3941476 Focus system |
| 02/03/1976 | US3936187 Distance measuring device |
| 01/13/1976 | US3932748 Method of determining the distance between area under fire and the muzzle of the weapon |