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)
12/1984
12/25/1984US4490716 Alarm system
12/19/1984EP0128797A1 Receiver for pulse Doppler radar systems
12/19/1984EP0128543A1 Pulse Doppler radar with a variable pulse repetition frequency
12/19/1984EP0128542A1 Pulse Doppler radar with a variable pulse repetition frequency
12/18/1984US4489388 Plot generator
12/18/1984US4489322 Radar calibration using direct measurement equipment and oblique photometry
12/18/1984US4489321 Radar ground speed sensing system
12/18/1984US4489320 Interference suppressor for radar MTI
12/12/1984EP0128055A1 Delay device and its use in a decoding arrangement of a distance measuring equipment
12/11/1984US4488154 For detecting signals in the presence of clutter
12/11/1984US4488153 Device for wireless data transmission
12/05/1984EP0127244A1 Arrangement for measuring the velocity and/or the length of moving objects
12/04/1984US4486757 Automatic direction finder
12/04/1984US4486756 Method of reducing angle noise in a radar
12/04/1984US4486755 Collision avoidance system
11/1984
11/21/1984EP0126032A2 Device for the identification and suppression of unwanted second trace echoes in radar systems
11/20/1984US4484194 Arrangement in a radar system for correction of phase and amplitude errors in a video signal
11/20/1984US4484193 Radar apparatus for detecting and/or classifying an agitated reflective target when relative translation obtains
11/20/1984CA1178362A1 Pulse radar apparatus
11/20/1984CA1178361A1 Radar drill guidance system
11/20/1984CA1178360A1 Pulse radar apparatus
11/14/1984EP0125143A2 Movement monitor
11/14/1984EP0125108A2 Radar ground speed sensing system
11/13/1984US4482970 Boolean filtering method and apparatus
11/13/1984CA1177941A1 Tracking filter for radio altimeter
11/07/1984EP0124173A1 Pulse radar apparatus
11/07/1984EP0123870A1 Doppler radar velocity measurement apparatus
11/06/1984US4481428 Batteryless, portable, frequency divider useful as a transponder of electromagnetic radiation
11/06/1984CA1177562A1 Ground proximity warning system with time based mode switching
10/1984
10/31/1984EP0123344A1 Pulse radar apparatus
10/25/1984WO1984004174A1 Device for detecting other vehicles in the rear vision field of a vehicle
10/24/1984EP0122854A1 Decoupling device for transmitting and receiving channels in a radar using a single aerial
10/24/1984EP0122609A1 Method and embodiment for controlling the transmitted energy of a cloud height measurement apparatus
10/24/1984EP0024430B1 Vehicular anti-collision system
10/17/1984EP0121804A2 Apparatur for range acquisition in a tracking radar
10/16/1984CA1176356A1 Random binary waveform encoded ranging apparatus
10/11/1984WO1984003942A1 Method and apparatus for measuring the distance to an object
09/1984
09/25/1984CA1175128A1 Test equipment for a synthetic aperture radar system
09/25/1984CA1175105A1 Process and apparatus for geotechnic exploration
09/18/1984US4472718 Tracking radar system
09/18/1984US4472717 Intrapulse polarization agile radar system (IPAR)
09/13/1984WO1984003566A1 Device for contactless interrogation of a data support
09/12/1984EP0118342A1 FM continuous wave radar and its application to an altimeter
09/11/1984US4471357 Pipelined digital SAR azimuth correlator using hybrid FFT/transversal filter
09/11/1984US4471345 Randomized tag to portal communication system
09/11/1984CA1174386A1 Position sensor
09/04/1984US4470049 Transmitter receiver operating at 94 GHz
09/04/1984US4470048 Range profile target classifier
08/1984
08/29/1984EP0117130A2 Collision avoidance apparatus
08/28/1984US4468670 Antenna device for air traffic radar
08/28/1984US4468638 Linear sweep frequency modulator for FM/CW radio altimeter
08/22/1984EP0116183A1 Pulse radar apparatus
08/22/1984EP0116084A1 Low noise microwave frequency synthesizer.
08/21/1984US4467326 Method and apparatus for preventing the response of a radar beacon to receive radar pulses originating from the side lobes of a transmitter and an arrangement
08/14/1984US4466068 Apparatus for the detection and prevention of collision risks in deep sea and coastal navigation
08/07/1984US4464768 Adaptive preprocessing system
08/07/1984US4464662 Determining azimuth of a transponder by measuring a plurality of phase shifts
08/01/1984EP0114627A2 Position determining system
08/01/1984EP0114196A1 Tracking radar
07/1984
07/31/1984US4463356 Apparatus for control of clutter breakthrough in MTI radar
07/24/1984US4462032 Radar signal processing process and circuit
07/18/1984EP0113412A2 Signal processing arrangement for monitoring systems
07/17/1984CA1171163A1 Detection system
07/10/1984US4459700 Adaptive MTI system
07/10/1984US4459592 Methods of and circuits for suppressing doppler radar clutter
07/03/1984US4458246 Radar installation
07/03/1984US4458240 Energy wave electronic intruder detection system
07/03/1984US4458235 Foreground subject-identifying apparatus
07/03/1984US4457206 Microwave-type projectile communication apparatus for guns
06/1984
06/27/1984EP0112226A2 Range processor for DME
06/27/1984EP0111914A2 Pulse Doppler radar
06/27/1984EP0041968B1 A measuring device for measuring the carrier frequency of short duration pulses
06/26/1984US4456912 High energy microwave defense system
06/26/1984US4456911 Frequency modulated continuous wave altimeter
06/19/1984US4455556 Distance measuring equipment
06/13/1984EP0110621A2 Image signal-processing system based on synthetic aperture technique
06/13/1984EP0110260A1 Pulse radar apparatus
06/12/1984US4454512 Secondary radar system
06/12/1984US4454511 Pulse Doppler radar with fixed target echo rejection circuit formed of recursion filters
06/12/1984US4454510 Discrete address beacon, navigation and landing system (DABNLS)
05/1984
05/30/1984EP0109552A1 Micro-wave intrusion detector system
05/22/1984US4450446 Method and system for tracking targets in a pulse doppler radar system
05/22/1984US4450444 Stepped frequency radar target imaging
05/16/1984EP0108643A1 Improved animal identification system
05/15/1984US4449192 Radio wave angle of incidence measurement apparatus
05/15/1984US4449127 System and method for tracking targets in a multipath environment
05/09/1984EP0107901A1 Method and apparatus for identifying radar targets
05/02/1984EP0107588A1 Device for determining the stationary echo cancellation threshold, especially in a radar receiver
04/1984
04/25/1984EP0106340A1 Device for automatic cancelling of undesired radar echoes
04/17/1984US4443799 Spread spectrum radar
04/17/1984US4443796 For measuring objects
04/17/1984US4443792 Electromagnetic position detector employing fast fourier transform analysis
04/17/1984CA1165839A1 Tracking aperture radar
04/10/1984US4442430 Identification technique for air traffic
04/04/1984EP0104402A2 Method and apparatus for optimum operation of transmitting and receiving antennas
04/04/1984EP0104401A2 Method to increase the security of an entrance control system
04/03/1984CA1164984A1 Traffic radar system
04/03/1984CA1164958A1 Electronic filter for generating a third harmonic signal
03/1984
03/27/1984US4439766 Doppler radar having phase modulation of both transmitted and reflected return signals
03/20/1984US4438439 Self-survey means