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) |
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06/09/1987 | US4672381 Doppler tracking processor and time of closest approach detector |
06/09/1987 | US4672380 Gain restoration after doppler filtering |
06/09/1987 | US4672379 Doppler radar transceiver |
06/09/1987 | CA1222809A1 Method of reconstructing synthetic aperture radar image |
06/09/1987 | CA1222808A1 Continuous wave radar with ranging capability |
06/09/1987 | CA1222806A1 Pulse radar apparatus |
06/03/1987 | EP0224447A1 Angle measurement device for amplitude monopulse receivers |
06/03/1987 | EP0224286A1 Device for measuring the own distance from a vehicle |
06/03/1987 | EP0224226A2 Identification system |
06/03/1987 | EP0223961A1 Interrogator and transponder test equipment |
06/03/1987 | CN85103379A Measuring method for fluid substance level in container and its equipment |
06/02/1987 | US4670845 System and method for automatically controlling vehicle speed |
06/02/1987 | US4670758 Depression angle ranging system and methods |
06/02/1987 | US4670757 Bistatic object location method |
06/02/1987 | US4670755 Pulse radar apparatus |
06/02/1987 | US4670753 Method and apparatus for minimum amplitude time history analysis |
05/27/1987 | EP0223657A1 Discrete Fourier transform calculating device and its application to pulse compression in a radar system |
05/27/1987 | EP0223129A2 Method for distance measurement in a pulse radar with a high pulse repetition frequency |
05/27/1987 | EP0100324B1 A system for localizing laid cables or pipes |
05/26/1987 | US4668954 Aircraft position determining system |
05/26/1987 | CA1222308A1 Doppler tracking processor and time of closest approach detector |
05/21/1987 | WO1987003099A1 Radar apparatus |
05/21/1987 | DE3540808A1 Device for detecting and combating ground targets pulled under cover |
05/20/1987 | CN86104796A Digital mixing apparatus |
05/19/1987 | US4667199 Simulator |
05/19/1987 | US4667197 Transponder output amplitude modulation control |
05/19/1987 | US4667196 Active visual display system for remote three-axis flight path guidance of landing aircraft |
05/19/1987 | US4667195 Rear monitor system triggered by occupant leaving the vehicle |
05/14/1987 | DE3540210A1 Method and circuit for measuring the speed of moving bodies |
05/12/1987 | US4665403 Method and apparatus for level measurement with microwaves |
05/12/1987 | US4665401 Millimeter wave length guidance system |
05/12/1987 | US4665400 Method and apparatus for radar surveillance |
05/07/1987 | WO1987002812A1 Warning system for rear end vehicle collisions |
05/06/1987 | EP0220877A1 Fail-safe sensor system |
05/06/1987 | EP0220752A2 Ground control method at an aerodrome for vehicles, and arrangement for carrying out this method |
05/06/1987 | EP0220360A2 Expander system for pulse signals |
05/05/1987 | CA1221442A1 Monopulse detection systems |
04/28/1987 | US4661819 Doppler tolerant binary phase coded pulse compression system |
04/28/1987 | US4661818 Electronically adjustable delay-simulator for distance-measuring apparatus operating on the frequency-modulated continuous wave principle |
04/28/1987 | US4661817 Method and apparatus for measuring the distance to an object |
04/28/1987 | US4661816 Adaptive radar signal processor |
04/23/1987 | WO1987002493A1 Alarm restraining system in an apparatus for preventing collision of aircraft |
04/23/1987 | DE3536441A1 Acquisition system which can be built up on resting or moving carriers for generating pictorial and non-pictorial representations of electromagnetic and/or acoustic signals |
04/22/1987 | EP0219392A1 Shifting, non-recursive, discrete Fourier transform computing device, and its use in a radar system |
04/21/1987 | US4660050 Doppler radar velocity measurement horn |
04/21/1987 | US4660046 Single power source data transmission system |
04/21/1987 | US4660040 Target range sensing apparatus |
04/21/1987 | US4660038 Doppler distrometer for the measurement of hydrometer size distribution |
04/21/1987 | US4659982 Microwave apparatus and method of operation to determine position and/or speed of a movable body or discontinuity or change in a material |
04/15/1987 | EP0217953A1 Doppler signal analyzer |
04/15/1987 | EP0217797A1 Improvements in speed measurement |
04/14/1987 | US4658257 Radar system |
04/14/1987 | US4658255 Adaptive radar signal processing apparatus |
04/09/1987 | WO1987002141A1 Compressive receiver having pulse width expansion |
04/08/1987 | EP0216897A1 High speed synthetic aperture radar processing system. |
04/07/1987 | US4656480 Monopulse FM-CW radar system with improved axis stability |
04/07/1987 | US4656479 Radar system |
04/07/1987 | US4656478 Passive transponder for locating avalanche victims |
04/07/1987 | US4656477 Perfectioning in reply type radar systems, in particular the SSR type |
04/07/1987 | US4656476 Warning device for golf carts |
04/07/1987 | US4656463 Monitoring and control system |
04/01/1987 | EP0216584A2 Frequency-dividing transponder and use thereof in a presence detection system |
04/01/1987 | EP0216432A2 RF circuit arrangement |
04/01/1987 | EP0215940A1 Imaging doppler interferometer. |
04/01/1987 | CN85107029A Positioning and message-transfering system employing satellites and stored topographic map |
03/31/1987 | US4654810 Facility for determining delay variations |
03/31/1987 | US4654665 Radar system |
03/31/1987 | US4654641 Frequency divider with single resonant circuit and use thereof as a transponder in a presence detection system |
03/31/1987 | US4654528 Radiation level reporting system |
03/25/1987 | EP0215481A2 Pulse Doppler radar device using digital signal processing |
03/25/1987 | EP0215176A1 Radio-electric distance-measuring method, gyroscopic navigation apparatus using this method, and its use in target designation |
03/25/1987 | EP0215115A1 Aircraft terrain warning system with configuration modified warning and improved mode switching. |
03/24/1987 | US4652882 Receiver with wide dynamic range |
03/24/1987 | US4652881 Efficient adaptive filter bank |
03/24/1987 | US4652879 Phased array antenna system to produce wide-open coverage of a wide angular sector with high directive gain and strong capability to resolve multiple signals |
03/18/1987 | EP0138940B1 Method and apparatus for measuring the distance to an object |
03/17/1987 | US4651158 DME morse code identity decoder |
03/17/1987 | US4651153 Low complexity digital processor for MX security radar |
03/17/1987 | US4651152 Large relative bandwidth radar |
03/11/1987 | EP0213558A1 A method and an apparatus for detecting an intruder |
03/10/1987 | USRE32368 Collision avoidance system for aircraft |
03/10/1987 | US4649395 Pulse radar apparatus |
03/10/1987 | US4649390 Two dimension radar system with selectable three dimension target data extraction |
03/10/1987 | US4649389 Stacked beam radar and target height measurement extractor especially for use therein |
03/10/1987 | US4649388 Radar detection of hazardous small scale weather disturbances |
03/10/1987 | CA1219051A1 Position-fixing system |
03/04/1987 | EP0211961A1 System for discriminating pulses such as response signals in a transponder |
03/03/1987 | US4647933 Phased antenna array for wind profiling applications |
03/03/1987 | US4647931 Dual frequency identification system |
03/03/1987 | US4647930 Passive radar responder |
03/03/1987 | US4647874 Doppler signal processing circuitry |
02/26/1987 | WO1987001210A1 Instrument landing system |
02/25/1987 | EP0211623A2 Identification of ground targets in airborne surveillance radar returns |
02/24/1987 | US4646244 Terrain advisory system |
02/24/1987 | US4646097 Off-channel frequency discriminator circuit for use in a precision distance measuring equipment (DME/P) receiver |
02/24/1987 | US4646095 Method of resolving closely spaced targets |
02/24/1987 | US4646094 Method of discriminating between signals |
02/24/1987 | US4646093 Digital monopulse for tracking radar |
02/24/1987 | US4646092 Method of and apparatus for continuous wave electromagnetic distance measurement of positioning |
02/24/1987 | US4646091 Airborne set for a two-way distance-ranging system |