Patents for G01S 3 - Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received (11,105) |
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01/05/1983 | EP0067991A1 Aircraft collision avoidance system |
01/04/1983 | US4367403 Array positioning system with out-of-focus solar cells |
12/28/1982 | US4366483 Receiver and method for use with a four-arm spiral antenna |
12/28/1982 | US4365617 Solar energy heating system |
12/15/1982 | EP0067052A2 Audio sensing apparatus |
12/14/1982 | US4364089 Binary correlation video tracker |
12/07/1982 | US4362931 Sun following-up device for solar heat utilization apparatus |
12/07/1982 | CA1137212A1 Stabilized sonobuoy suspension |
11/30/1982 | US4361758 Sun position sensor for two axis tracking |
11/17/1982 | EP0064774A1 Security ignition circuit for an under water igniter |
11/17/1982 | EP0064746A2 Sunlight direction sensor |
11/16/1982 | CA1135826A1 Digital time-delay beamformer for sonar systems |
11/09/1982 | US4358768 Radio direction finder |
11/09/1982 | US4358767 Method of tracking for telecommunications antennae |
11/09/1982 | CA1135385A1 Digital bearing indicator |
10/27/1982 | EP0063517A1 Passive range-finding system |
10/26/1982 | US4356491 Marine direction finding system |
10/19/1982 | US4355313 Satellite antenna orientation control method and sensor configuration applying said method |
09/21/1982 | US4351026 Projectile locating apparatus for use in target shooting |
09/14/1982 | US4349840 Apparatus for automatically steering an electrically steerable television antenna |
09/14/1982 | US4349838 Laser target designator system |
09/14/1982 | US4349733 Sun tracker |
09/07/1982 | US4348676 Automatic phase alignment system for a tracking antenna |
09/07/1982 | CA1131339A1 Formation of sonar channels by charge-coupled devices |
08/31/1982 | US4347514 Troposcatter system antenna alignment |
08/24/1982 | US4346384 Remote object position and orientation locator |
08/10/1982 | US4343294 Solar collector assembly |
08/03/1982 | CA1129053A1 Radio direction finding |
07/27/1982 | US4342032 Device for the detection of and defense against masked helicopters |
07/22/1982 | WO1982002432A1 Aircraft collision avoidance system |
07/20/1982 | US4340812 Radiation energy collection and tracking apparatus |
07/06/1982 | CA1127260A1 Infrared surveillance system |
06/23/1982 | EP0054353A2 Apparatus for reception and radiation of electromagnetic energy in predetermined fields of view |
06/22/1982 | US4336542 Method of and system for tracking an object radiating a circularly or linearly polarized electromagnetic signal |
06/22/1982 | CA1126396A1 Threshold selection circuit |
06/15/1982 | US4335452 Electro-acoustic device for the underwater signalling and identification of a vessel |
06/15/1982 | US4335384 Logarithmic amplifier calibration means |
06/15/1982 | US4334521 Solar energy system |
06/08/1982 | USRE30960 Central receiver solar collector using mechanically linked mirrors |
06/08/1982 | US4334226 Antenna system for satellite communication |
06/08/1982 | US4334225 Antenna system for locating a microwave signal source |
06/08/1982 | US4333704 Solar alignment device |
06/08/1982 | US4333446 Solar concentrator |
06/01/1982 | US4333170 Acoustical detection and tracking system |
06/01/1982 | US4333106 Method of measuring firing misses and firing miss-measuring installation for the performance of the method |
06/01/1982 | US4332239 Sun powered automatic sun following reflector |
06/01/1982 | US4332238 Solar tracking system |
06/01/1982 | CA1124826A1 Beamformer |
05/25/1982 | US4331960 Automatic tracking methods and apparatus |
05/18/1982 | US4330705 Optical tracking device using interlaced images |
05/04/1982 | US4328548 Locator for source of electromagnetic radiation having unknown structure or orientation |
05/04/1982 | US4328499 Radio direction finding systems |
05/04/1982 | US4328421 Horizon sensor |
05/04/1982 | US4328417 Solar tracking mechanism |
04/28/1982 | EP0050539A1 Video imaging system for a homing-head |
04/28/1982 | EP0050189A2 Apparatus for collecting and concentrating solar light energy |
04/27/1982 | US4326685 Sun-sensing guidance system for high-altitude aircraft |
04/27/1982 | CA1122697A1 Image discriminators |
04/20/1982 | US4325633 Apparatus for determining of angle of incidence of electromagnetic energy |
04/13/1982 | US4325124 System for controlling the direction of the momentum vector of a geosynchronous satellite |
04/13/1982 | US4324225 Solar tracking device |
03/30/1982 | US4321909 Servo-controlled solar tracking apparatus |
03/30/1982 | CA1120788A1 Underwater craft for acoustic inspection of pipelines for leaks |
03/18/1982 | WO1982000884A1 Sun position sensor for two axis tracking |
03/16/1982 | US4320400 Method and apparatus that nearly instantaneously samples, processes and sorts received signals from very large numbers of radar and radio emitters for frequency and angle of arrival analysis |
03/16/1982 | US4320288 Solar tracking system |
03/16/1982 | US4319541 Navigational aid |
03/10/1982 | EP0047084A1 Solar collection system |
03/09/1982 | CA1119705A1 Method and arrangement for lateral determination with two-channel direction finders |
03/09/1982 | CA1119704A1 Radio navigation system |
03/02/1982 | US4318106 Direction finding system |
02/23/1982 | US4317120 Sector scan ADF system |
02/23/1982 | US4317031 Central focus solar energy system |
02/23/1982 | CA1118868A1 Theodolite for tracking and measuring a flying object with a tv camera arranged at a telescope |
02/23/1982 | CA1118741A1 System for controlling the direction of the momentum vector of a geosynchronous satellite |
02/18/1982 | WO1982000515A1 Optical target tracking and designating system |
02/16/1982 | US4316270 Digital time-delay beamformer for sonar systems |
02/16/1982 | US4316269 Own doppler nullifier for sonar system |
02/16/1982 | US4316218 Video tracker |
02/16/1982 | US4316193 Servo loop processor |
02/16/1982 | US4316191 Low angle radar processing means |
02/16/1982 | US4316084 Light tracking detectors and housing therefor |
02/16/1982 | US4315690 Arrangement for locating radiating sources |
02/09/1982 | US4315263 Navigational systems using phase encoded angular coordinates |
02/09/1982 | US4314761 Arrangement for locating radiating sources |
02/09/1982 | US4314546 Array positioning system |
02/09/1982 | CA1118092A1 Correlator follower for tracking an object |
02/02/1982 | US4314276 Autoboresighting electro-optical system |
02/02/1982 | US4314252 Preamplifier for ADF loop antenna |
02/02/1982 | US4314251 Remote object position and orientation locater |
01/27/1982 | EP0044391A1 Tracking method for an antenna |
01/26/1982 | US4313117 Method and apparatus for electrically scanning an antenna array in a monopulse DF radar system |
01/26/1982 | US4312326 Electro-magnetic radiation reflective concentrator |
01/13/1982 | EP0043407A2 Arrangement for the digital measuring of phase difference |
01/05/1982 | CA1115825A1 Ultrasonic anemometer |
12/22/1981 | US4307402 Direction finder |
12/15/1981 | US4306240 Bearing measuring system for frequency modulation |
12/15/1981 | CA1114481A1 System for providing angular deviation data for locating a transmitter |
12/09/1981 | EP0041146A1 Method and apparatus for determination of angle incidence of electromagnetic energy |
12/09/1981 | EP0041115A1 Electro-magnetic radiation reflective concentrator |