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)
05/1988
05/24/1988	US4746830 Electronic surveillance and identification
05/19/1988	WO1988003656A1 Radar-type underground prospecting apparatus
05/19/1988	DE3639463A1 Pulse monitoring circuit
05/19/1988	DE3637655A1 Surveillance radar method having altitude detection
05/18/1988	EP0267811A2 Pulse doppler radar system
05/18/1988	EP0267346A1 Method of determining the altitude of an aircraft
05/18/1988	EP0267280A1 Interactive television and data transmission system.
05/18/1988	EP0267238A1 Passive radio altimeter
05/17/1988	US4745321 Reflective array surface acoustic wave device
05/11/1988	CN87107025A Hand-held measuring device
05/10/1988	US4744083 Satellite-based position determining and message transfer system with monitoring of link quality
05/10/1988	US4744040 Distance measurement method making use of electromagnetic wave and system therefor
05/10/1988	US4743910 Frequency domain, pulse compression radar apparatus for eliminating clutter
05/10/1988	US4743908 Target position radar
05/10/1988	US4743907 Radar system operating in two frequency bands
05/10/1988	US4743906 Time domain radio transmission system
05/05/1988	WO1988003276A1 Method of detecting object and apparatus therefor
05/04/1988	EP0265902A2 Method of determining the position of an aircraft in a three-way DME system
05/03/1988	US4742357 Stolen object location system
05/03/1988	US4742353 Digital processor for radar signals which can perform adaptive suppression of clutter means of a parametric estimator
04/1988
04/27/1988	EP0264525A2 A digital signal processor for search radar systems with moving target indication
04/26/1988	US4740693 Electron beam pattern line width measurement system
04/26/1988	US4740045 Multiple parameter doppler radar
04/26/1988	CA1235781A1 Doppler radar velocity measurement apparatus
04/21/1988	WO1988002963A1 Device for receiving broadcasts, television programs or radar echoes
04/20/1988	EP0264331A1 Battle field IFF method and IFF system for carrying it out
04/20/1988	EP0264321A1 Extensible towing hitch for road vehicles
04/20/1988	CN85100181B Programmable digit moving target indication (mti) system based on digit correction
04/19/1988	US4739332 Fanbeam inversion radar
04/19/1988	US4739331 Channelized receiver continuous wave radar system
04/19/1988	US4739330 Frequency modulation radio altimeter
04/19/1988	US4739329 Scaler scoring system
04/19/1988	US4739328 System for identifying particular objects
04/19/1988	US4739327 Method and arrangement for the suppression of rain echos in a terrain following radar
04/19/1988	US4739186 Frequency-selectable pulsed-sinusoid generation system
04/14/1988	DE3633681A1 Device for determining the distance between two bodies
04/12/1988	US4737791 Radar tank gauge
04/12/1988	US4737790 Passive interrogator label system with a surface acoustic wave transponder operating at its third harmonic and having increased bandwidth
04/12/1988	US4737789 Inductive antenna coupling for a surface acoustic wave transponder
04/12/1988	US4737788 Helicopter obstacle detector
04/12/1988	CA1235216A1 Radar system
04/07/1988	WO1988002494A1 Speed sensor and head-mounted data display
04/07/1988	WO1988002493A1 Signal source distortion compensator
04/06/1988	EP0263064A1 Electronic identification device, in particular for a clock
04/06/1988	EP0262994A1 A system for detecting a transfer of article
04/05/1988	US4736207 Tag device and method for electronic article surveillance
04/05/1988	US4735379 System for automatically guiding a missile and missile provided with such a system
04/05/1988	CA1234903A1 Electronically scanned radar system
03/1988
03/31/1988	DE3633476A1 Device for locating an underwater object
03/30/1988	EP0175757A4 Simple passive/active proximity warning system.
03/30/1988	CN87211945U Radar detector for geology of mine
03/29/1988	US4734699 Doppler-improved polyphase pulse expander-compressor
03/29/1988	US4734698 Passive interrogator label system having offset compensation and temperature compensation for a surface acoustic wave transponder
03/29/1988	US4734637 Apparatus for measuring the length of an electrical line
03/23/1988	EP0260670A2 Method for reducing false target indications in a pulse Doppler radar
03/22/1988	US4733241 Position finding and collision avoidance system
03/22/1988	US4733239 Radar altimeter
03/22/1988	US4733238 Method and system for radar compatible data communication
03/15/1988	US4731612 Method and apparatus for eliminating short pulses in a doppler radar
03/15/1988	US4731611 Stripline doppler radar
03/10/1988	WO1988001392A3 Ranging and processing satellite system for mobile surveillance and data link
03/09/1988	EP0258917A1 Frequency-modulated continuous-wave radar for distance measurement
03/09/1988	CN87104106A Interactive television and data transmission system
03/08/1988	US4730190 Hand-held measuring device
03/08/1988	US4730189 Pulse Doppler radar with variable pulse repetition frequency
03/08/1988	US4730188 Identification system
03/08/1988	US4730162 Time-domain induced polarization logging method and apparatus with gated amplification level
03/08/1988	US4729653 Method and apparatus for measuring distance by laser beam
03/08/1988	CA1233882A1 Animal identification system
03/02/1988	EP0257688A1 An electromagnetic identification and location system
03/02/1988	CN86101543A Microwave monitoring radar for motive target with using doppler effect
03/01/1988	US4728955 Method for position-finding and apparatus herefor
03/01/1988	US4728954 Ground velocity sensor with drop-out detection
03/01/1988	US4728952 Radar echo discriminating device
03/01/1988	US4728897 Microwave reflection survey technique for determining depth and orientation of buried objects
03/01/1988	CA1233540A1 Electronic article surveillance system having low profile antennas
03/01/1988	CA1233539A1 Crossed beam high frequency anti-theft system
02/1988
02/25/1988	WO1988001392A2 Ranging and processing satellite system for mobile surveillance and data link
02/24/1988	EP0256342A1 Radar apparatus
02/24/1988	CN87104480A 无源无线电高度计 Passive radio altimeter
02/23/1988	US4727376 Process for measuring the ambiguous distance and pulse Doppler radar using such a process
02/23/1988	US4727375 Process for adapting the post integration in a switched pulse repetition frequency radar and a circuit implementing this process
02/23/1988	US4727373 Method and system for orbiting stereo imaging radar
02/23/1988	US4727360 Frequency-dividing transponder and use thereof in a presence detection system
02/16/1988	US4725842 Isolation apparatus for a continuous-wave radar system
02/16/1988	US4725841 System for interrogating a passive transponder carrying phase-encoded information
02/09/1988	US4724438 Radar apparatus
02/09/1988	US4724437 Signal acquisition circuit with variable bandwidth phase locked loop
02/09/1988	US4724427 Transponder device
02/09/1988	US4724418 Synthetic aperture radar focusing
02/03/1988	EP0255095A2 Transponder antenna
02/03/1988	EP0254954A1 Transponder useful in a system for identifying objects
02/02/1988	US4723125 Device for calculating a discrete moving window transform and application thereof to a radar system
02/02/1988	US4723124 Extended SAR imaging capability for ship classification
02/02/1988	US4723123 For landing aircraft
02/02/1988	US4722222 Ski speedometer
01/1988
01/28/1988	WO1988000785A1 Transponder device
01/28/1988	DE3622447C1 Device for displaying overtaking recommendations for the driver of a vehicle
01/27/1988	EP0254649A1 Process and device for compensating the frequency dispersion in an electronically scanned antenna and its use in a landing system of the MLS type
01/27/1988	EP0254197A1 Friend or foe identification device

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