| Patents for G01S 11 - Systems for determining distance or velocity not using reflection or reradiation (4,179) |
|---|
| 01/27/1981 | US4247922 Object position and condition detection system |
| 01/13/1981 | US4244652 Ferroelectric length measuring and moving target transducer with memory |
| 01/13/1981 | CA1093670A1 Sonic measuring system |
| 01/07/1981 | EP0020537A1 A device for measuring the flow velocity of fluids. |
| 12/23/1980 | US4241431 Sonar ranging system |
| 12/16/1980 | US4240079 System for locating mobile objects in distress |
| 12/09/1980 | US4238844 Displaced position detecting device |
| 12/09/1980 | US4238785 Zero-doppler shift positioning technique |
| 11/18/1980 | US4234942 Apparatus for measuring the length of pipe and other hollow members |
| 11/12/1980 | EP0018673A1 Method of measuring shooting errors and shooting error measurement device for carrying out the method |
| 11/04/1980 | US4232389 Receiver for satellite navigational positioning system |
| 09/18/1980 | WO1980001977A1 Technique for estimation of displacement and/or velocity of objects in video scenes |
| 09/02/1980 | US4220972 Low contrast object extraction device |
| 08/26/1980 | US4219837 Alarms between stations with relative motion |
| 08/19/1980 | US4218703 Technique for estimation of displacement and/or velocity of objects in video scenes |
| 06/24/1980 | US4209699 Infra-red detection system for detecting low-flying objects |
| 06/17/1980 | US4208735 Moving sound source identifying system |
| 06/10/1980 | US4207571 Navigational aids |
| 05/13/1980 | US4203115 Zero-doppler shift positioning technique |
| 05/01/1980 | WO1980000876A1 A device for measuring the flow velocity of fluids |
| 04/22/1980 | US4199760 Method for measuring range to a rocket in flight employing a passive ground tracker station |
| 04/01/1980 | US4195425 System for measuring position and/or velocity |
| 03/19/1980 | EP0008714A1 Photoelectric docking device |
| 03/11/1980 | US4193073 Method and apparatus for position determination |
| 02/05/1980 | US4187492 Device for determining the relative position of elongate members towed behind a ship |
| 01/29/1980 | US4186440 Continuous memory system |
| 01/08/1980 | US4182990 Radar receiver and method of indicating range to a radar source |
| 12/04/1979 | US4177465 Near-range personnel beacon locator apparatus |
| 10/09/1979 | CA1064148A2 Frequency shift rate detector |
| 07/17/1979 | US4161730 Radio determination using satellites transmitting timing signals with correction by active range measurement |
| 07/17/1979 | US4161715 Method and apparatus for measuring the interior dimensions of a hollow body |
| 05/08/1979 | CA1054251A1 Intruder detecting security system |
| 04/10/1979 | US4149168 Sequentially balanced modulation tone ranging system and method |
| 03/06/1979 | CA1050140A1 Vlf radio position location system |
| 03/06/1979 | CA1050139A1 Method of and system for locating a position |
| 02/20/1979 | US4140991 Underwater displacement probe |
| 02/13/1979 | US4139889 Apparatus for vehicle position indication |
| 02/06/1979 | US4138660 Automated flash-bang method and apparatus for determining lightning stroke distances |
| 02/06/1979 | CA1048132A1 Frequency shift rate detector |
| 12/26/1978 | US4131891 Passive microwave velocity sensor |
| 12/26/1978 | US4131873 Slant range and direction detector |
| 09/19/1978 | US4114457 Apparatus for ultrasonic measurement |
| 09/12/1978 | US4114156 Frequency shift rate detector |
| 08/08/1978 | US4106093 Ground speed deriving circuit |
| 07/25/1978 | US4103278 Obstacle detecting apparatus using ultrasonic waves |
| 06/20/1978 | US4096525 Video scanning change discriminator |
| 06/13/1978 | US4095226 System for communication |
| 05/09/1978 | US4088998 System for detecting nuclear explosions |
| 05/02/1978 | US4087816 VLF radio position location system |
| 03/28/1978 | US4081784 Omnidirectional monitor buoy |
| 02/21/1978 | US4075553 Electromagnetic detector responsive to a modification of radiated field by an intruding metallic object |
| 12/20/1977 | US4064533 CCD focal plane processor for moving target imaging |
| 10/25/1977 | US4055830 Sonic measuring system |
| 09/13/1977 | US4048563 Carrier-modulated coherency monitoring system |
| 08/09/1977 | US4041494 Distance measuring method and apparatus |
| 08/09/1977 | US4041285 Bi-directional motion sensing and clocking system |
| 07/12/1977 | US4035803 Circuit arrangement for determining the distance to a VOR transmitter station |
| 07/12/1977 | US4035802 Method and apparatus for wind measurement |
| 06/14/1977 | US4030088 Vehicle proximity sensing and control system |
| 06/14/1977 | US4030065 Terrain clearance warning system for aircraft |
| 01/18/1977 | US4004237 System for communication and navigation |
| 01/04/1977 | US4001771 Intruder detecting security system |
| 12/07/1976 | US3996590 Method and apparatus for automatically detecting and tracking moving objects and similar applications |
| 11/23/1976 | US3993997 Communication system and method |
| 10/26/1976 | US3988734 Method of and system for locating a position |
| 10/19/1976 | US3987445 Oblique scatter object detection and location system |
| 09/21/1976 | US3982246 General method of geometrical passive ranging |
| 08/31/1976 | US3978445 Asw intercept localization sonar |
| 07/27/1976 | US3971923 Ramp function generator |
| 07/20/1976 | US3970938 Method and apparatus for determining motion and speed |
| 06/22/1976 | US3965425 Electromagnetic radiation source locator |
| 05/18/1976 | US3958243 Circuit for generating a digital or analog signal as a function of doppler frequency |
| 04/27/1976 | US3953856 Method and apparatus for mapping and similar applications |
| 03/30/1976 | US3947804 Range-bearing computer |
| 03/30/1976 | US3947803 Direction finding system |
| 03/09/1976 | US3943561 System for optically detecting moving targets |
| 03/09/1976 | US3943509 Navigation aiding systems with one-way ranging and two-way synchronization |
| 02/17/1976 | US3939476 Passive ranging tail warning device |
| 01/06/1976 | US3931462 Stack plume visualization system |