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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09/28/1988 | EP0284075A2 Radar system consisting of an array of interconnected elementary satellites |
09/28/1988 | EP0283723A2 An N-dimensional information display method for air traffic control |
09/28/1988 | EP0283599A1 Radar system for discriminating between first and multi-time around echos |
09/27/1988 | US4774470 Shield tunneling system capable of electromagnetically detecting and displaying conditions of ground therearound |
09/20/1988 | US4772889 Device for calculating a discrete fourier transform and its application to pulse compression in a radar system |
09/15/1988 | DE3805343A1 Kommunikationsanlage Communication system |
09/13/1988 | US4771288 Centroid detection apparatus and method therefor |
09/13/1988 | US4771287 Method of correcting for errors in radar imaging |
09/13/1988 | CA1242020A1 System for interrogating a passive transponder carrying phase-encoded information |
09/13/1988 | CA1242014A1 Signal receptor-reradiator and surveillance tag using the same |
09/07/1988 | WO1988006738A1 Relative position indicating means and method |
09/07/1988 | EP0280800A1 Narrow range gate baseband receiver |
09/07/1988 | EP0280799A1 Antenna system for wide bandwidth signals |
09/06/1988 | US4769646 Antenna system and dual-fed lenses producing characteristically different beams |
09/06/1988 | US4768877 Method and device for measuring the propagation time of a wave |
09/06/1988 | CA1241725A1 Delay device and the use thereof in the decoding device of distance measuring equipment |
08/30/1988 | US4768207 Systems for receiving messages transmitted by pulse position modulation (PPM) |
08/30/1988 | US4768156 Imaging system |
08/30/1988 | US4768036 Collision avoidance system |
08/30/1988 | US4768035 Coherent radar digital data collector and sampling technique for noncoherent transmitter radars |
08/30/1988 | US4768034 Radar system for multiple object tracking and discrimination |
08/30/1988 | CA1241416A1 Navigation system including integrated electronic chart display |
08/30/1988 | CA1241385A1 Arrangement for determining the starting instant of the leading edge of a high-frequency pulse |
08/25/1988 | WO1988006295A1 Holographic radar |
08/23/1988 | US4766436 Radar device for measuring the distance of the device to a surface |
08/23/1988 | US4765244 Apparatus for the detection and destruction of incoming objects |
08/17/1988 | EP0131581B1 Remote passive identification system |
08/16/1988 | US4763861 Microwave rendezvous system for aerial refueling |
08/16/1988 | CA1240773A1 Wide angle multi-mode antenna |
08/16/1988 | CA1240772A1 Electronic surveillance system employing the doppler effect |
08/11/1988 | WO1988005921A1 Method and apparatus for detecting an out of beam condition in a monopulse radar receiver |
08/10/1988 | EP0277772A2 Doppler radar method and apparatus for measuring a projectile muzzle velocity |
08/10/1988 | CN87100292A Factor improving method to heigten moving target selecting radar |
08/09/1988 | CA1240384A1 Ground proximity warning system having modified terrain closure rate warning on glide slope approach |
08/03/1988 | EP0276885A1 A radar system |
08/03/1988 | EP0276530A1 Millimeter wave length guidance system |
08/03/1988 | EP0276454A1 Target-tracking system |
08/02/1988 | US4761652 Arrangement for measuring the distance separating the arrangement from a moving body |
08/02/1988 | US4761651 Pulse discriminating system for reply signals in a transponder |
08/02/1988 | US4761650 System for measuring height distributions of atmospheric temperature, wind direction and wind speed |
08/02/1988 | CA1240037A1 Microstrip space duplexed antenna |
08/02/1988 | CA1240019A1 Range limited coherent frequency doppler surveillance system |
07/28/1988 | WO1988005547A1 Processing parameter generator for synthetic aperture radar |
07/28/1988 | WO1988005546A1 Identification and/or localization system and beacon |
07/26/1988 | US4760587 Device for transmitting high-frequency pulses in a certain pattern and a radio-navigation system including such a device |
07/26/1988 | US4760398 Methods and apparatus for determining the differential sideband power of radar signals |
07/26/1988 | US4760397 Target tracking system |
07/26/1988 | US4760396 Apparatus and method for adjusting set clearance altitude in a terrain following radar system |
07/26/1988 | CA1239685A1 Microwave detection system |
07/20/1988 | EP0274526A1 Transponder device. |
07/19/1988 | US4758850 Identification of ground targets in airborne surveillance radar returns |
07/19/1988 | US4758839 Terrain profile radar system |
07/19/1988 | US4758838 Method of reconstructing images from synthetic aperture radar's data |
07/19/1988 | US4757714 For a self-propelled sportsman |
07/12/1988 | US4757450 Method and system for automatically detecting a preceding vehicle |
07/12/1988 | US4757316 Method and device for monitoring a station of a landing aid system of the MLS type |
07/12/1988 | US4757315 Method and apparatus for measuring distance |
07/12/1988 | US4757253 Circuit arrangement for frequency analysis of received signals which lie in a wide overall frequency band |
07/06/1988 | EP0273326A2 Landing-aid system for aircraft having its own on-board radar |
07/06/1988 | CN87108166A 目标跟踪系统 Target Tracking System |
06/30/1988 | WO1988004783A1 Frequency domain, pulse compression radar apparatus for eliminating clutter |
06/30/1988 | DE3644002A1 Target tracking system |
06/30/1988 | DE3643169A1 Device for motor vehicles for preventing rear-end collisions |
06/28/1988 | US4754278 Method for the in-line measurement of background noise for MTI radar with suppression of samples not originating from noise, and digital device embodying said method |
06/28/1988 | US4754277 Apparatus and method for producing linear frequency sweep |
06/23/1988 | DE3727620A1 Digital signal-matched filter |
06/22/1988 | CN87106615A Signal source distortion compensator |
06/21/1988 | US4752779 Missile guidance system |
06/21/1988 | CA1238400A1 Trihedral radar reflector |
06/21/1988 | CA1238398A1 Terrain advisory system |
06/21/1988 | CA1238376A1 Apparatus for compensating non-linearities in frequency-modulated signal |
06/21/1988 | CA1238365A1 Device for generating a frequency modulated signal |
06/16/1988 | WO1988004201A1 Rotor recognition system |
06/16/1988 | DE3642698A1 Automatic shower control system |
06/16/1988 | DE3641696A1 Tail warning radar |
06/14/1988 | US4751511 For detecting a projectile using a radar system |
06/14/1988 | US4750689 System for determining the angular spin position of an object spinning about an axis |
06/14/1988 | US4750584 Distance measuring device |
06/09/1988 | DE3640401A1 Air space surveillance centre |
06/08/1988 | EP0270274A2 Transponder and interrogator |
06/08/1988 | EP0270148A1 Radar apparatus for measuring its distance to an object |
06/08/1988 | EP0269710A1 High resolution imaging doppler interferometer |
06/07/1988 | USH484 Polarization isolation and zero time-sidelobe pulse compression through group-complementary coding |
06/07/1988 | US4750036 Interactive television and data transmission system |
06/07/1988 | US4749994 Signal processing for radars having clutter maps |
06/07/1988 | US4749950 Binary power multiplier for electromagnetic energy |
06/07/1988 | CA1237798A1 Driver alerting device |
06/06/1988 | EP0177611A4 Electronic surveillance system employing the doppler effect. |
06/02/1988 | WO1988004109A1 Monopulse antenna with improved sidelobe suppression |
06/02/1988 | WO1988004063A1 Apparatus for detecting materials buried under the ground |
06/02/1988 | WO1988004062A1 Method and apparatus for radar surveillance |
06/02/1988 | WO1988004061A1 Method and system for radar compatible data communication |
06/01/1988 | EP0269276A2 Hand-held measuring device |
06/01/1988 | DE3639500A1 Radar receiver for mobile radar apparatuses having an antenna array with clutter suppression which acts in a two-dimensional manner |
05/31/1988 | US4748448 Remote sensing apparatus for satellites |
05/25/1988 | EP0268420A2 Marker for detecting buried object |
05/25/1988 | EP0268089A2 Passive transponder |
05/24/1988 | US4746924 Apparatus and methods for locating a target utilizing signals generated from a non-cooperative source |
05/24/1988 | US4746922 Method of and device for removing range ambiguity in a pulse-doppler radar and radar including such a device |
05/24/1988 | US4746867 For detection of objects buried in the ground |