| 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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| 12/18/1979 | US4179612 Radiation tracking control |
| 12/12/1979 | EP0005918A1 Scene tracker system |
| 12/11/1979 | US4178099 Scanning optical spectral analyzer |
| 12/04/1979 | US4177467 Waveguide receiving antenna |
| 11/29/1979 | WO1979001036A1 Direction finder |
| 11/29/1979 | WO1979001006A1 Radiation seeker |
| 11/27/1979 | US4176357 Passive method and apparatus for radar locating and parasitic surveilance |
| 11/27/1979 | US4176356 Directional antenna system including pattern control |
| 11/27/1979 | US4176339 Propagation sampled acoustic line array |
| 10/30/1979 | US4172443 Central receiver solar collector using analog coupling mirror control |
| 10/30/1979 | CA1065467A1 Method of increasing the signal-to-noise ratio of a time-dependent scanning signal during performance of a periodic scanning method |
| 10/30/1979 | CA1065439A1 Optical sensors |
| 10/23/1979 | US4172255 HF coastal current mapping radar system |
| 10/09/1979 | US4170774 Amplitude selected phase interferometer angle measuring radar |
| 10/09/1979 | US4170766 Beamformer |
| 10/02/1979 | US4170001 Capacitor goniometer tilt compensation for acoustic transducing system |
| 09/25/1979 | US4169257 Controlling the directivity of a circular array of acoustic sensors |
| 09/25/1979 | US4169245 Spectral correlation |
| 09/25/1979 | CA1063229A1 System for collecting information in water |
| 09/19/1979 | EP0004227A1 System for optoelectrical detection and angular location of a luminous object and its use |
| 09/11/1979 | CA1062363A1 Antenna apparatus for detecting an optimum direction |
| 09/05/1979 | EP0003852A1 Threshold selection circuit suitable for a processing unit for the processing of video signals from an angle tracking device |
| 09/04/1979 | US4166999 High resolution phase shifter beamformer for a cylindrical array |
| 08/14/1979 | US4164728 Correlation techniques |
| 08/07/1979 | US4164036 Quadrature correlation phase reversal pulse detector |
| 08/07/1979 | US4163978 Radio direction finding |
| 08/07/1979 | US4163977 Double loop receiver-transmitter combination |
| 07/31/1979 | US4162775 Tracking and/or guidance systems |
| 07/24/1979 | US4162474 Yaw-compensated correlating sonar tracking system |
| 07/10/1979 | US4160975 Correction circuit for wide bandwidth antenna |
| 07/03/1979 | US4160272 Digital voltage accumulator |
| 07/03/1979 | US4160267 Switching method for measuring two neighboring flying targets or objects in succession |
| 07/03/1979 | US4160252 Method of determining the direction of a radio source and radio interferometer system |
| 06/27/1979 | EP0002576A1 Projector for projecting electromagnetic control signals |
| 06/26/1979 | US4159419 Three axis stellar sensor |
| 06/19/1979 | US4158843 Automatic direction finder antenna preamplifier processor |
| 06/19/1979 | US4158354 Solar energy collection system |
| 06/12/1979 | CA1056497A1 Digital antenna control apparatus for a communications terminal |
| 05/30/1979 | EP0002076A1 Direction finding apparatus |
| 05/22/1979 | US4156241 Satellite tracking antenna apparatus |
| 05/22/1979 | US4156240 System for providing angular deviation data for locating a transmitter |
| 05/22/1979 | US4156135 Electronic heterodyning in an optical detector |
| 05/22/1979 | US4155649 Radiant energy detection system |
| 05/17/1979 | WO1979000260A1 Correlation follower for tracking an object |
| 05/15/1979 | US4155096 Automatic laser boresighting |
| 05/15/1979 | US4154221 Tracking system for solar energy collection |
| 05/15/1979 | US4154219 Prismatic solar reflector apparatus and method of solar tracking |
| 05/08/1979 | US4153038 Solar energy collecting system |
| 05/08/1979 | CA1054252A1 Channel forming device |
| 05/01/1979 | US4152729 Image motion compensation system |
| 05/01/1979 | US4152703 Homing device |
| 05/01/1979 | US4151968 Night guiding device for self-propelled missiles |
| 04/24/1979 | US4151408 Sun tracking control system |
| 04/24/1979 | CA1053361A1 Beam former utilizing geometric sampling |
| 04/17/1979 | US4150379 Matched filter target acquisition radiometric system |
| 04/17/1979 | US4150378 Height finding radar |
| 04/17/1979 | CA1052870A1 Electronic signal processing system |
| 04/10/1979 | US4148299 Hemitoroidal collector of direct dispersed and reflected waves |
| 04/10/1979 | US4148298 Hemispherical collector of direct dispersed and reflected waves |
| 04/10/1979 | US4148297 Collector of direct dispersed and reflected waves |
| 04/03/1979 | US4147561 Fresnel lens positioned in region to receive high intensity radiation during periods of direct sunlight |
| 04/03/1979 | US4147414 Sunlight concentrator for energy conversion |
| 04/03/1979 | US4147155 Device for collecting solar energy |
| 04/03/1979 | US4147154 Solar heat tracking and collecting apparatus |
| 03/27/1979 | US4146785 Sun-tracking control system for solar collector |
| 03/27/1979 | US4146784 Sun tracking device |
| 03/20/1979 | US4144716 Solar powered engine and tracking system |
| 03/06/1979 | US4143351 Sonic direction finder |
| 03/06/1979 | US4143321 Apparatus and process for grouping pulse signals according to source |
| 03/06/1979 | CA1050150A1 Self propelled array system |
| 03/06/1979 | CA1050149A1 Self propelled array system |
| 02/20/1979 | US4140363 Scanning system with a geneva wheel |
| 02/13/1979 | US4139862 Interactive color display for multispectral imagery using correlation clustering |
| 01/30/1979 | US4136568 Electro-optic space positioner |
| 01/23/1979 | US4136343 Multiple source tracking system |
| 01/23/1979 | US4136342 Resolving angular ambiguity |
| 01/23/1979 | US4135493 Parabolic trough solar energy collector assembly |
| 01/16/1979 | US4135191 Coherent demodulator |
| 01/02/1979 | US4133004 Video correlation tracker |
| 12/26/1978 | US4131873 Slant range and direction detector |
| 12/12/1978 | US4129874 Antenna pattern combiner |
| 12/05/1978 | US4128759 Fiber optic delay line filter |
| 12/05/1978 | US4128337 Method of and apparatus for interferometric background suppression |
| 12/05/1978 | CA1043885A1 Helicopter navigation system |
| 11/28/1978 | US4127850 Scanning display apparatus |
| 11/21/1978 | US4126865 Satellite tracking dish antenna |
| 11/07/1978 | US4124865 Automatic reticle detection and tracking method and system |
| 10/31/1978 | US4123164 Autocollimating assembly for the self-calibration of a stellar navigational system |
| 10/31/1978 | US4123134 Dual field image scanner |
| 10/31/1978 | US4123017 Dual, non-crossing horizontal gate tracking circuit and method |
| 10/24/1978 | US4122454 Conical scan tracking system employing a large antenna |
| 10/17/1978 | US4121216 Direction finder antenna and system |
| 10/10/1978 | US4119942 Acoustic direction finder |
| 10/03/1978 | US4118705 Adaptive interface for rotational positioning device utilizing linear actuators |
| 10/03/1978 | CA1039828A1 Light detector for the nanosecond-dc pulse width range |
| 09/26/1978 | US4117327 Infrared deviation measuring device |
| 09/26/1978 | US4117318 Optical position pick-off in zero-drag satellite |
| 09/26/1978 | US4116263 Mounting structure |
| 09/19/1978 | US4115801 Optical image correlator tracking filter circuit |
| 09/19/1978 | US4115776 Adaptive gain control for radiometric target tracking system |