Patents
Patents for G01S 13 - Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified (37,701)
11/1982
11/16/1982US4359733 Satellite-based vehicle position determining system
11/16/1982US4359732 Topographical mapping radar
11/16/1982US4359683 Microwave interferometer
11/16/1982CA1135827A1 Determination of flow velocities by measuring phase difference between the doppler signals
11/16/1982CA1135819A1 Anti-collision vehicular radar system
11/10/1982EP0064305A1 Improvements in or relating to radar systems employing two kinds of pulses
11/09/1982US4358835 Method and device for matching the reflector of an acoustic echo ranging system
11/09/1982US4358765 Apparatus for producing a single side band
11/09/1982US4358763 Continuous-wave radar responder having two-position switches
11/09/1982US4358759 Microwave movement detector
11/03/1982EP0063803A2 Pulse Doppler radar receiver with a circuit for regenerating the undisturbed signal form
11/02/1982US4357610 Waveform encoded altitude sensor
11/02/1982US4357609 Noncoherent two way ranging apparatus
11/02/1982US4357608 Scanning radar system
10/1982
10/27/1982EP0063496A1 Range-finding apparatus using encoded signals
10/26/1982US4356490 Transmission frequency diversity radar
10/26/1982US4356489 Vehicle speed sensing apparatus with electromagnetic wave interference detector
10/26/1982US4356487 Sounding apparatus
10/19/1982US4355312 Radar signal processor
10/19/1982US4355311 Multibeam single frequency synthetic aperture radar processor for imaging separate range swaths
10/19/1982CA1134013A1 Solid state pulsed coherent doppler radar
10/12/1982US4354192 Radio ranging
10/12/1982US4354191 Ground-speed Doppler radar for vehicles
10/12/1982US4354168 Delay line canceler
10/06/1982EP0061941A2 Radar system providing optimized target resolution of both short and long range targets
10/06/1982EP0061559A2 Test equipment for a radar unit with synthetic aperture
10/05/1982US4353068 Method for calibrating beam emitter type speed sensor for railroad rolling stock
10/05/1982US4353067 Method of reducing side lobes of complementary coded pulses in a coherent pulse compression doppler radar receiving system
10/05/1982CA1133100A1 Radar speedometer
10/05/1982CA1133099A1 Range-gated pulse doppler radar system
10/05/1982CA1133096A1 Speed control apparatus and method for railroad car retarders
09/1982
09/28/1982US4352098 Surveillance systems
09/28/1982US4351188 Method and apparatus for remote measurement of wind direction and speed in the atmosphere
09/22/1982EP0060323A1 Pulse Doppler radar with variable pulse repetition frequency
09/21/1982US4350982 Frequency-agile transponder
09/21/1982CA1132232A1 Range and angle determining doppler radar
09/21/1982CA1132231A1 Range tracker utilizing spectral analysis
09/15/1982EP0059998A1 Pulse radar apparatus
09/14/1982US4349823 Automotive radar monitor system
09/14/1982CA1131738A1 Airborne or ground station for a radio navigation system and particularly a dme system
09/07/1982US4348693 Television weather radar system
09/07/1982US4348675 FM-CW Radar system for use in an automotive vehicle
09/07/1982US4348674 Apparatus and method for classifying moving targets
09/07/1982CA1131331A1 Radar systems
08/1982
08/31/1982US4347516 Rectangular beam shaping antenna employing microstrip radiators
08/31/1982US4347515 Radar radiometer and its use
08/31/1982US4347512 Communications systems utilizing a retrodirective antenna having controllable reflectivity characteristics
08/31/1982US4346774 Doppler radar mounting structure for motor vehicles
08/31/1982CA1130927A1 Memory system adapted to receive a radio frequency signal
08/24/1982US4346383 Checking the location of moving parts in a machine
08/24/1982US4346382 Doppler radar for detection and localization of helicopters
08/24/1982US4345827 Distance-measuring system with in-range signalling for use with cameras, alarms, and the like
08/19/1982WO1982002776A1 Radar sensing system
08/18/1982EP0058095A1 Device for determining the time of arrival of pulses, for use in distance measuring equipment
08/18/1982EP0058032A2 Radar arrangements
08/18/1982EP0057949A1 Pulse radar apparatus
08/17/1982US4345253 Passive sensing and encoding transponder
08/17/1982US4345252 Non-linear dynamic filtering device for the angular measuring of noise in a radar
08/17/1982CA1129978A1 Method and apparatus for space monitoring by means of pulsed directional beam
08/17/1982CA1129971A1 Pulse generator
08/11/1982EP0057538A2 Antenna device
08/10/1982CA1129548A1 Surface acoustic wave code reader
08/10/1982CA1129538A1 Method of and apparatus for echo location of objects
08/04/1982EP0056884A1 Linear bessel ranging radar
08/03/1982US4342997 Array modification that adds height capability to a 2D array radar
07/1982
07/28/1982EP0056768A2 Method for ground illumination and calculation of E and O of the ground using an electromagnetic pulse, and antenna to carry out this method
07/28/1982EP0056726A1 Remote identification of animals
07/21/1982EP0056297A2 A navigation radar system
07/20/1982US4340892 Doppler navigation antenna having automatic land-sea error correction
07/13/1982US4339754 Spatially adaptive moving target indicator system for radar equipment
07/13/1982US4339753 Vehicle identification system
07/13/1982US4339752 Synthetic array processor
07/13/1982US4339176 Holographic space-variant system for evaluating the ambiguity integral
07/07/1982EP0055636A1 Off-boresight receiver for secondary radar
07/07/1982EP0055420A2 A shielding arrangement for a radar type ground speed sensor
07/06/1982US4338607 Conical scan antenna for tracking radar
07/06/1982US4338604 Pulsed coherent doppler radar with frequency agility
07/06/1982US4338603 Self adaptive correlation radar
07/06/1982CA1127278A1 Method and apparatus for locating position in a waterway
06/1982
06/30/1982EP0055151A1 Device for the detection of radar transponder signals and secondary radar comprising such a device
06/30/1982EP0054982A1 Threshold circuit for radar video data
06/30/1982EP0054646A2 Radar unit for air traffic control
06/23/1982EP0054335A1 Method of determining distance using FMCW radar, corresponding apparatus and application to the precise determination of the liquid level in containers
06/22/1982US4336540 Radar system
06/22/1982CA1126371A1 Microwave range measuring system for measuring the distance of an object
06/16/1982EP0053963A1 Quantification circuit for secondary radar pulse signals
06/15/1982US4335387 Radar antenna with rotating linear polarization designed to reduce jamming
06/15/1982US4335383 Method and apparatus for digitally determining the speed of a target vehicle while the radar platform vehicle is in motion
06/15/1982US4335382 Traffic radar system
06/15/1982US4334543 Method and apparatus for flow velocity determination
06/15/1982CA1125893A1 Radar beacon apparatus
06/09/1982EP0053512A1 Secondary radar antenna
06/08/1982US4334314 Transmission of time referenced radio waves
06/08/1982US4334224 Secondary surveillance radar
06/08/1982US4334223 Median detector
06/08/1982CA1125419A1 Method of correcting doppler navigator
06/08/1982CA1125418A1 Terrain clearance warning system for aircraft
06/01/1982US4333080 Signal processor
06/01/1982US4333079 Doppler signal processing circuit
06/01/1982US4333078 Apparatus for synchronized reception in connection with system for recording objects