Patents
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)
11/1980
11/12/1980EP0018673A1 Method of measuring shooting errors and shooting error measurement device for carrying out the method
11/04/1980CA1089064A1 Sun-tracking solar energy conversion system
11/04/1980CA1088827A1 Solar-radiation collection apparatus
10/1980
10/28/1980CA1088654A1 Automatic direction finding system
10/21/1980US4229740 Radio frequency signal direction finding systems
10/21/1980US4229076 Solar energy concentrator
10/15/1980EP0017540A1 Opto-electric device for localising a luminous point-source
10/15/1980EP0016767A1 Radiation seeker
10/14/1980US4227513 Solar system having improved heliostat and sensor mountings
10/07/1980US4227212 Adaptive updating processor for use in an area correlation video tracker
10/07/1980US4227196 Direction finding apparatus
10/07/1980US4227077 Optical tracking system utilizing spaced-apart detector elements
10/07/1980US4227076 Optical position determining or tracking device
10/07/1980CA1087291A1 Antisubmarine warfare system
09/1980
09/30/1980US4225954 Acoustical deverberator
09/30/1980US4225867 Orientation system
09/30/1980US4225781 Solar tracking apparatus
09/18/1980WO1980001956A1 Radar system
09/16/1980US4223311 Long range listening system
09/16/1980US4223214 Solar tracking device
09/16/1980US4223174 Sun-tracking solar energy conversion system
09/09/1980US4221966 Infrared surveillance system
09/03/1980EP0015199A1 Optoelectric device for localising a radiating source and direction locating system comprising such devices
09/03/1980EP0015148A2 Servo-controlled solar tracking apparatus
09/02/1980US4220967 Scene tracker using multiple independent correlators
09/02/1980US4220954 Adaptive antenna system employing FM receiver
09/02/1980CA1085017A1 Optical scanning apparatus
08/1980
08/26/1980US4219847 Method and apparatus of determining the center of area or centroid of a geometrical area of unspecified shape lying in a larger x-y scan field
08/26/1980US4219821 Automatic direction finding system
08/26/1980US4219729 Method of aligning and locating the mirrors of a collector field with respect to a receptor tower
08/20/1980EP0014215A1 Direction finder combining directional antenna signals with a non-directional antenna signal
08/12/1980CA1083338A1 Photo electronic astro compass
08/05/1980US4216476 Digital electronic commutator for radio direction finding system
07/1980
07/29/1980US4215347 Target seeker simulator
07/29/1980CA1082791A1 Harbor radio navigation system
07/22/1980US4214316 Method and apparatus for synchronously tuning the multi-channel superheterodyne receiver of a DF system
07/22/1980US4214244 Null pattern technique for reduction of an undesirable interfering signal
07/22/1980CA1082352A1 Surveillance arrangements
07/08/1980US4212085 Frequency activated direction indicator
07/08/1980US4211922 Heliostat guidance
07/01/1980US4210913 Passive detection and tracking apparatus
07/01/1980US4210804 Free-gyro optical seeker
06/1980
06/24/1980US4209853 Holographic system for object location and identification
06/24/1980US4209791 Antenna apparatus for bearing angle determination
06/24/1980US4209699 Infra-red detection system for detecting low-flying objects
06/24/1980CA1080339A1 Signal processing for detection
06/17/1980US4208738 Deployable sonar array with interconnected transducers operated in the bending mode
06/17/1980US4208735 Moving sound source identifying system
06/17/1980US4208733 Sound source detecting systems
06/11/1980EP0012060A1 System for optoelectric detection and angular localisation of a luminous object
06/10/1980US4207622 Direction-finding array of crossed dipoles
06/10/1980US4207572 Sky wave DF antenna system
06/10/1980CA1079394A1 Surveillance arrangements
06/03/1980US4205659 Solar energy collector
05/1980
05/20/1980US4204281 Signal processing system for underwater transducer
05/20/1980US4203667 Covert recovery or signalling system
05/14/1980EP0010774A1 Method of and system for tracking an object radiating a circularly or linearly polarized electromagnetic signal
05/13/1980US4203163 Target-detection and location system
05/13/1980US4203114 Digital bearing indicator
05/13/1980US4202515 Two tone tracker
05/13/1980US4202322 Solar energy collector and heat exchanger
05/06/1980US4202050 Multi-angular sector sound transmitting and receiving system
04/1980
04/29/1980CA1076702A1 Marine streamer position determination system
04/22/1980US4199256 Optical system
04/22/1980US4198826 Solar powered engine and tracking system
04/15/1980US4198705 Directional energy receiving systems for use in the automatic indication of the direction of arrival of the received signal
04/15/1980US4198704 Passive underwater target detection and locating system
04/15/1980US4198635 Orientation system
04/15/1980US4198634 Optical autocorrelator signal processor
04/15/1980US4198633 Electronic signal processing system
04/08/1980US4197543 Display processor for aircraft landing system
04/08/1980US4197542 Radio navigation system
04/08/1980CA1075341A1 Cw-laser illuminator detector
04/02/1980EP0009071A1 Theodolite for tracking flying objects with a television camera built into the telescope
04/01/1980US4195775 Solar energy system
03/1980
03/25/1980US4195360 Signal processing circuit
03/19/1980EP0008714A1 Photoelectric docking device
03/18/1980US4194244 Angle sensing system
03/18/1980US4194207 Radiolocation system for determining the direction of incident electromagnetic waves
03/18/1980US4193688 Optical scanning system
03/11/1980US4192583 Solar receiver heliostat reflector having a linear drive and position information system
03/11/1980US4192289 Solar heat collection system
02/1980
02/26/1980US4190766 Sun tracking system
02/19/1980US4189747 Infrared tracking system
02/19/1980US4189116 Navigation system
02/12/1980US4188531 Apparatus for scanning an air space for detecting low-flying airplanes and flying bodies
02/12/1980US4187834 Solar heating system
02/06/1980EP0007864A1 Sonar beam formation by means of charge transfer devices
02/05/1980US4187492 Device for determining the relative position of elongate members towed behind a ship
02/05/1980US4187490 Range determining system
02/05/1980US4187422 Internal reference for stellar tracker
02/05/1980US4187123 Directionally controlled array of solar power units
02/05/1980US4186899 Controlled beam projector
01/1980
01/29/1980US4186370 Stabilized sonobuoy suspension
01/23/1980EP0006941A1 Correlation follower for tracking an object
01/15/1980US4184159 Method and installation for temperature control in a silo
01/01/1980US4181851 Automatic astroposition determination apparatus
01/01/1980US4181435 Holographic field lens detector
12/1979
12/25/1979US4180814 Multiple beam receiving array signal processor
12/18/1979US4179682 Tilt compensation for acoustic transducing system