Patents
Sitemap › G01 - Measuring; Testing › G01S - Radio direction-finding; Radio navigation; Determining distance or velocity by use of radio waves; Locating or presence-detecting by use of the reflection or reradiation of radio waves; Analogous arrangements using other waves › 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
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)
12/1981
12/15/1981CA1114480A1 Method and apparatus for automatically calibrating a radio altimeter
12/08/1981US4305153 Method for measuring microwave electromagnetic fields
12/08/1981US4305076 Device for the automatic testing of digital filters in moving-target indicators
12/08/1981US4305074 Electromagnetic detection apparatus
12/02/1981EP0040818A1 Doppler radar apparatus having two cavity resonators
12/01/1981US4303920 Radar systems
11/1981
11/25/1981EP0040544A2 Coded information arrangement
11/25/1981EP0040541A1 Distance measuring equipment
11/24/1981US4302758 Radar system for determining range and speed of an object
11/17/1981US4301453 Radar device for simultaneously measuring distance and relative speed
11/17/1981US4301452 Station watch alarm system
11/17/1981CA1112742A1 Updating an en-route tacan navigation system to a precision landing aid
11/10/1981US4300121 Warning system for traffic routes at an avalanche danger hillside
11/10/1981CA1112341A1 Radar system employing two kinds of pulses
11/10/1981CA1112340A1 Object identification system
11/10/1981CA1112339A1 Method and apparatus for measuring distance between an aircraft and a ground station
11/03/1981US4298872 Sidelobe blanking system
11/03/1981CA1111955A1 Search radar
11/03/1981CA1111954A2 Search radar
11/03/1981CA1111953A1 Vehicle guidance system
11/03/1981CA1111952A1 Radar altimeter simulator
11/03/1981CA1111941A1 Turbine rotational speed measurement and control utilizing a x-band doppler transceiver
10/1981
10/28/1981EP0038734A1 Apparatus for normalizing the gradient of the off-boresight measurement by radar and air-earth radar comprising such an apparatus
10/27/1981US4297703 Telemetry device for tracking radar and radar system comprising such a device
10/27/1981US4297702 Polyphase coded fuzing system
10/27/1981US4297701 Rangefinder using expanded time delay
10/27/1981US4297700 Method and apparatus for measuring distances
10/27/1981US4297699 Radar drill guidance system
10/20/1981US4296415 Method and apparatus for reducing the effects of scintillation and rejection of clutter in monopulse radars
10/20/1981US4296414 P-I-N type diode high frequency switch for secondary radar interrogation devices and transponders
10/13/1981US4295131 Low consumption pulses doppler effect intrusion sensor
10/13/1981CA1110743A1 Radar clutter suppressor
10/06/1981US4293949 Clock invariant synchronization for random binary sequences
10/06/1981US4293859 Traffic radar unit
10/06/1981US4293857 Collision avoidance warning system
10/06/1981US4293856 Digital CFAR signal processor for phase coded radars
09/1981
09/30/1981EP0036476A1 Microwave transmitter-receiver, particularly for a Doppler radar system
09/29/1981US4292678 Method of and apparatus for echo location of objects
09/29/1981US4292638 Augmented radiometric system
09/29/1981US4292637 Interrogating radar for use with tagged targets
09/29/1981US4292635 Signal processing system
09/29/1981US4292634 Real-time multiple-look synthetic aperture radar processor for spacecraft applications
09/23/1981EP0036333A1 Collision prevention system
09/23/1981EP0036104A1 Two way distance measuring system
09/22/1981US4291310 Adaptive two-dimensional null forming receiving antenna system
09/22/1981US4291309 FM/CW Radar
09/22/1981US4291308 Non-linear raster generator
09/16/1981EP0035692A1 Device for generating the response signal of an arrangement for automatically identifying objects and/or living beings
09/08/1981US4288750 Surface acoustic wave time chirp devices
09/08/1981US4288689 Automatic vehicle identification system and method
09/03/1981WO1981002471A1 Method of transmission of communications from a transponder to an interrogator and secondary radar system for its implementation
09/01/1981US4287579 Moving object detecting device
09/01/1981US4287578 Method for shaping and aiming narrow beams
09/01/1981US4286462 Acoustic detection of wind speed and direction at various altitudes
08/1981
08/25/1981US4286260 Ranging quadrature doppler microwave intrusion alarm system
08/18/1981US4285048 Space variant signal processor
08/18/1981US4284991 Common antenna for primary and secondary radar system
08/18/1981US4283989 Doppler-type projectile velocity measurement and communication apparatus, and method
08/12/1981EP0033419A1 Secondary radar responders
08/11/1981US4283725 In-flight aircraft weather radar calibration
08/05/1981EP0033124A1 Object and person identifying and information transmission system
08/05/1981EP0033059A2 System for the extraction and integration of elevation data necessary for the calculation of height in a three-dimensional radar
08/04/1981US4282524 Linear Bessel ranging radar
07/1981
07/28/1981US4281327 Range corrector circuit for a bistatic passive radar display
07/28/1981US4281326 Automatic collision warning target display system
07/28/1981US4281239 Timing apparatus and method
07/21/1981US4280127 Range swath coverage method for synthetic aperture radar
07/15/1981EP0032095A1 Acoustic radar antenna matching process and device for carrying it out
07/14/1981US4278977 Range determining system
07/14/1981US4278976 Remote sensing device
07/14/1981US4278975 Navigation-monitoring apparatus
07/08/1981EP0031752A2 Stationary-targets cancellation device for electronic detection equipment and detection equipment with a digital filter comprising such a device
07/08/1981EP0031443A1 Apparatus for detecting a moving target and method therefor
07/08/1981EP0031442A2 Pulse transmitting radar apparatus
07/07/1981US4277763 Non-linear predistortion linearizing circuit for a varactor diode tuned oscillator
06/1981
06/30/1981US4276549 FM-CW Radar distance measuring apparatus
06/30/1981US4276548 Microwave speed meter
06/30/1981US4275787 Method for monitoring subsurface combustion and gasification processes in coal seams
06/30/1981EP0024430A4 Vehicular anti-collision system.
06/30/1981CA1104238A1 Monopulse radar apparatus
06/25/1981WO1981001747A1 A method to prevent a radar beacon respond to receive radar pulses originating from the side lobes of a transmitter and an arrangement to carry out the method
06/24/1981EP0030764A1 Doppler-radar measuring process, and apparatus for carrying out this process
06/23/1981US4275396 Helicopter rotating blade detection system
06/17/1981EP0030466A1 A device for preventing overwinding of a roller blind
06/17/1981EP0030296A1 Wide-band, phase scanned antenna
06/16/1981US4274096 Aircraft proximity monitoring system
06/16/1981US4274083 Apparatus for identifying moving objects
06/11/1981WO1981001616A1 A measuring device for measuring the carrier frequency of short duration pulses
06/09/1981US4272783 Correlation follower for tracking an object
06/09/1981CA1102900A1 Magnetic detection means
06/09/1981CA1102899A1 Method and apparatus for the promotion of selected harmonic response signals in an article detection system
06/03/1981EP0029560A1 Method of detecting and counting objects
06/02/1981US4271412 Range tracker utilizing spectral analysis
06/02/1981US4271411 Detector for doppler device
05/1981
05/26/1981US4270127 Digital data compression circuit
05/26/1981CA1101969A1 Device for measuring the range of a moving target and the speed at which it approaches or recedes
05/20/1981EP0028895A1 Method and apparatus for shaping and aiming narrow beams
05/19/1981US4268828 Swept frequency radar system employing phaseless averaging
05/12/1981US4267513 Impulse generator apparatus
05/12/1981CA1101110A1 Electronic intruder detection system
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