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)
01/1983
01/05/1983EP0067991A1 Aircraft collision avoidance system
01/04/1983US4367403 Array positioning system with out-of-focus solar cells
12/1982
12/28/1982US4366483 Receiver and method for use with a four-arm spiral antenna
12/28/1982US4365617 Solar energy heating system
12/15/1982EP0067052A2 Audio sensing apparatus
12/14/1982US4364089 Binary correlation video tracker
12/07/1982US4362931 Sun following-up device for solar heat utilization apparatus
12/07/1982CA1137212A1 Stabilized sonobuoy suspension
11/1982
11/30/1982US4361758 Sun position sensor for two axis tracking
11/17/1982EP0064774A1 Security ignition circuit for an under water igniter
11/17/1982EP0064746A2 Sunlight direction sensor
11/16/1982CA1135826A1 Digital time-delay beamformer for sonar systems
11/09/1982US4358768 Radio direction finder
11/09/1982US4358767 Method of tracking for telecommunications antennae
11/09/1982CA1135385A1 Digital bearing indicator
10/1982
10/27/1982EP0063517A1 Passive range-finding system
10/26/1982US4356491 Marine direction finding system
10/19/1982US4355313 Satellite antenna orientation control method and sensor configuration applying said method
09/1982
09/21/1982US4351026 Projectile locating apparatus for use in target shooting
09/14/1982US4349840 Apparatus for automatically steering an electrically steerable television antenna
09/14/1982US4349838 Laser target designator system
09/14/1982US4349733 Sun tracker
09/07/1982US4348676 Automatic phase alignment system for a tracking antenna
09/07/1982CA1131339A1 Formation of sonar channels by charge-coupled devices
08/1982
08/31/1982US4347514 Troposcatter system antenna alignment
08/24/1982US4346384 Remote object position and orientation locator
08/10/1982US4343294 Solar collector assembly
08/03/1982CA1129053A1 Radio direction finding
07/1982
07/27/1982US4342032 Device for the detection of and defense against masked helicopters
07/22/1982WO1982002432A1 Aircraft collision avoidance system
07/20/1982US4340812 Radiation energy collection and tracking apparatus
07/06/1982CA1127260A1 Infrared surveillance system
06/1982
06/23/1982EP0054353A2 Apparatus for reception and radiation of electromagnetic energy in predetermined fields of view
06/22/1982US4336542 Method of and system for tracking an object radiating a circularly or linearly polarized electromagnetic signal
06/22/1982CA1126396A1 Threshold selection circuit
06/15/1982US4335452 Electro-acoustic device for the underwater signalling and identification of a vessel
06/15/1982US4335384 Logarithmic amplifier calibration means
06/15/1982US4334521 Solar energy system
06/08/1982USRE30960 Central receiver solar collector using mechanically linked mirrors
06/08/1982US4334226 Antenna system for satellite communication
06/08/1982US4334225 Antenna system for locating a microwave signal source
06/08/1982US4333704 Solar alignment device
06/08/1982US4333446 Solar concentrator
06/01/1982US4333170 Acoustical detection and tracking system
06/01/1982US4333106 Method of measuring firing misses and firing miss-measuring installation for the performance of the method
06/01/1982US4332239 Sun powered automatic sun following reflector
06/01/1982US4332238 Solar tracking system
06/01/1982CA1124826A1 Beamformer
05/1982
05/25/1982US4331960 Automatic tracking methods and apparatus
05/18/1982US4330705 Optical tracking device using interlaced images
05/04/1982US4328548 Locator for source of electromagnetic radiation having unknown structure or orientation
05/04/1982US4328499 Radio direction finding systems
05/04/1982US4328421 Horizon sensor
05/04/1982US4328417 Solar tracking mechanism
04/1982
04/28/1982EP0050539A1 Video imaging system for a homing-head
04/28/1982EP0050189A2 Apparatus for collecting and concentrating solar light energy
04/27/1982US4326685 Sun-sensing guidance system for high-altitude aircraft
04/27/1982CA1122697A1 Image discriminators
04/20/1982US4325633 Apparatus for determining of angle of incidence of electromagnetic energy
04/13/1982US4325124 System for controlling the direction of the momentum vector of a geosynchronous satellite
04/13/1982US4324225 Solar tracking device
03/1982
03/30/1982US4321909 Servo-controlled solar tracking apparatus
03/30/1982CA1120788A1 Underwater craft for acoustic inspection of pipelines for leaks
03/18/1982WO1982000884A1 Sun position sensor for two axis tracking
03/16/1982US4320400 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
03/16/1982US4320288 Solar tracking system
03/16/1982US4319541 Navigational aid
03/10/1982EP0047084A1 Solar collection system
03/09/1982CA1119705A1 Method and arrangement for lateral determination with two-channel direction finders
03/09/1982CA1119704A1 Radio navigation system
03/02/1982US4318106 Direction finding system
02/1982
02/23/1982US4317120 Sector scan ADF system
02/23/1982US4317031 Central focus solar energy system
02/23/1982CA1118868A1 Theodolite for tracking and measuring a flying object with a tv camera arranged at a telescope
02/23/1982CA1118741A1 System for controlling the direction of the momentum vector of a geosynchronous satellite
02/18/1982WO1982000515A1 Optical target tracking and designating system
02/16/1982US4316270 Digital time-delay beamformer for sonar systems
02/16/1982US4316269 Own doppler nullifier for sonar system
02/16/1982US4316218 Video tracker
02/16/1982US4316193 Servo loop processor
02/16/1982US4316191 Low angle radar processing means
02/16/1982US4316084 Light tracking detectors and housing therefor
02/16/1982US4315690 Arrangement for locating radiating sources
02/09/1982US4315263 Navigational systems using phase encoded angular coordinates
02/09/1982US4314761 Arrangement for locating radiating sources
02/09/1982US4314546 Array positioning system
02/09/1982CA1118092A1 Correlator follower for tracking an object
02/02/1982US4314276 Autoboresighting electro-optical system
02/02/1982US4314252 Preamplifier for ADF loop antenna
02/02/1982US4314251 Remote object position and orientation locater
01/1982
01/27/1982EP0044391A1 Tracking method for an antenna
01/26/1982US4313117 Method and apparatus for electrically scanning an antenna array in a monopulse DF radar system
01/26/1982US4312326 Electro-magnetic radiation reflective concentrator
01/13/1982EP0043407A2 Arrangement for the digital measuring of phase difference
01/05/1982CA1115825A1 Ultrasonic anemometer
12/1981
12/22/1981US4307402 Direction finder
12/15/1981US4306240 Bearing measuring system for frequency modulation
12/15/1981CA1114481A1 System for providing angular deviation data for locating a transmitter
12/09/1981EP0041146A1 Method and apparatus for determination of angle incidence of electromagnetic energy
12/09/1981EP0041115A1 Electro-magnetic radiation reflective concentrator