Patents for G01S 7 - Details of systems according to groups , , (41,338) |
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08/27/1991 | US5042303 Apparatus for ultrasound detection |
08/27/1991 | CA1288150C Optical ranging by phase shift measurement |
08/22/1991 | WO1991013369A1 Combined reflection and transmission ultrasonic imaging method and apparatus |
08/22/1991 | DE4005453A1 Stand-off distance measuring equipment - including measuring laser, used on material processing laser |
08/22/1991 | DE4004530A1 Optical distance measuring appts. - has light transmitters and receivers forming transducer pairs |
08/22/1991 | CA2051653A1 Combined reflection and transmission ultrasonic imaging method and apparatus |
08/21/1991 | WO1991013368A1 Computed-interferometry radar system with coherent integration |
08/21/1991 | EP0442450A2 Variable origin - variable angle acoustic scanning method and apparatus |
08/21/1991 | EP0190166B1 Rf amplifier with frequency spectrum control |
08/21/1991 | CA2051100A1 Computed-interferometry radar system with coherent integration |
08/20/1991 | US5042086 Method and means for transmitting large dynamic analog signals in optical fiber systems |
08/20/1991 | US5040892 Method and apparatus for determining the direction to a laser beam source |
08/20/1991 | US5040891 Laser-warning method and apparatus |
08/20/1991 | US5040869 Duping arrangement for laser distance measuring devices |
08/14/1991 | EP0441712A1 Microwave transponder system with polarising resonant plane antenna |
08/14/1991 | EP0441555A2 System for the detection of objects |
08/14/1991 | EP0440956A2 Method and apparatus of photodetection |
08/14/1991 | DE4003775A1 Control system for ultrasonic range sensor - uses variation of selected transmission parameter to differentiate between different sensors |
08/14/1991 | DE4003774A1 Sound intensity compensation system for ultrasonic range sensor - uses measurement of spatial sound field to obtain values for compensation voltage characteristic |
08/13/1991 | US5038612 Ultrasonic measuring device |
08/08/1991 | WO1991011733A1 Radar apparatus |
08/08/1991 | WO1991011146A1 Ultrasonic method and apparatus for determination of vessel location and size |
08/07/1991 | EP0440200A2 Method of managing beams formed by phased array antennas and apparatus therefor |
08/06/1991 | US5038145 Constant false alarm rate with low probability of false alarms |
08/06/1991 | US5038051 Solid state modulator for microwave transmitters |
08/01/1991 | DE4100867A1 Production of orthographic ultrasonic images, for medical diagnosis - using ultrasonic transmission and reception systems including reflex camera arrangement |
07/31/1991 | EP0439011A2 Distance measurement device |
07/31/1991 | EP0438569A1 Adaptive network for classifying time-varying data |
07/30/1991 | US5036477 Method for the interference suppression in ultrasonic distance measurements |
07/30/1991 | US5036330 Ranging system using correlation between two spread spectrum wave signals |
07/30/1991 | US5036328 Pulse compressing apparatus for a radar system using a long pulse |
07/30/1991 | US5036327 Single oscillator FSK pulsed radar receiving transmitter |
07/30/1991 | US5036326 Method and device for the display of several radar images in a single mosaic |
07/30/1991 | US5036323 Active radar stealth device |
07/30/1991 | US5035506 Coherent detection with increased sensitivity using four-wave amplification |
07/25/1991 | WO1991011037A1 Real time signal separation method and device |
07/25/1991 | WO1991010920A1 Device and process for detecting the presence of a vehicle by means of an ultrasonic device |
07/25/1991 | WO1991010918A1 Collision avoidance transmit system with autocalibration |
07/25/1991 | WO1991010913A1 Coherent frequency burst detector apparatus and method |
07/24/1991 | EP0437649A1 Method of ultrasound imaging |
07/24/1991 | EP0142555B1 Dual band phased array using wideband elements with diplexer |
07/23/1991 | US5034931 Display detection enhancement |
07/23/1991 | US5034810 Two wavelength in-situ imaging of solitary internal waves |
07/23/1991 | US5034750 Pulse radar and components therefor |
07/23/1991 | US5034747 Detachable radar unit for a helmet |
07/23/1991 | US5033845 Multi-direction distance measuring method and apparatus |
07/23/1991 | CA1286735C Cascaded internal impedance dependent amplifier with accurate variable gain control |
07/16/1991 | US5032843 Pulse compression radar and application for mapping or meteorology |
07/16/1991 | US5032842 Detection system with adjustable target area |
07/16/1991 | US5032839 Self-equalizing coherent optical RF memory |
07/16/1991 | US5031627 Method and apparatus for characterizing reflected ultrasonic pulses |
07/16/1991 | CA1286278C Automatic flow-control device |
07/11/1991 | WO1991010111A1 Apparatus for measuring three-dimensional coordinate |
07/11/1991 | DE4040757A1 Range meter for automatic focusing camera - has array of light projectors and photo diode array producing output signal corresp. to position at which light is received |
07/10/1991 | CN1052953A 相干雷达 Coherent Radar |
07/09/1991 | US5031157 Color sonar for underwater object collision avoidance |
07/09/1991 | US5029999 Laser radar device |
07/09/1991 | US5029475 Measuring spatial distribution of spacings between point scatterers |
07/04/1991 | DE4017022A1 Ultrasonic received signal insertion point definition circuit - examines RAM contents with regard to signal period and corrects cycle length value |
07/04/1991 | DE4017021A1 Ultrasound signal start definition circuitry - forms propagation time and period duration signals using two voltage comparators of differing thresholds |
07/03/1991 | EP0435011A2 Camera for distance imaging |
07/02/1991 | USH933 Infrared coherent optical sensor |
07/02/1991 | US5029009 Imaging camera with adaptive range gating |
07/02/1991 | US5028931 Adaptive array processor |
07/02/1991 | US5028920 Driver alerting device |
07/02/1991 | US5028877 Circuit arrangement for a fast Fourier transform |
07/02/1991 | US5027821 Ultrasonic imaging apparatus |
07/02/1991 | US5027820 Device for the three-dimensional focusing of an ultrasonic beam |
07/02/1991 | US5027658 Three dimensional imaging method and device using ellipsoidal backprojection with arbitrarily shaped pulses |
06/27/1991 | WO1991009375A1 Integrated vehicle positioning and navigation system, apparatus and method |
06/27/1991 | WO1991009323A2 Detection device |
06/27/1991 | DE3942850A1 Testing distance sensor accurately for rapid changes - rotating transmitted beam w.r.t. curved object surface |
06/27/1991 | DE3942499A1 Electro-optical vehicle distance measurer - uses spark source for a measurement beam for low power operation in transit time method |
06/26/1991 | EP0434229A2 Enhanced ocean bottom sonar system |
06/26/1991 | EP0433492A1 Ultrasonic device for the virtual reduction of the array partition of a connectable transducer array |
06/26/1991 | CN1052555A Incompletely synchronous counting-timing method in precise pulse ranging system |
06/25/1991 | US5027413 Target detection systems |
06/25/1991 | US5027123 Adaptive interference canceller |
06/25/1991 | US5027121 Video processor for a counter-countermeasure system |
06/25/1991 | US5026156 Method and system for pulse interval modulation |
06/25/1991 | US5025666 Transducer with built-in printed circuit board |
06/25/1991 | CA1285320C Switching helix power supply for a twt |
06/19/1991 | EP0432961A2 Microwave distance measuring apparatus |
06/19/1991 | EP0432887A2 Pulsed coherent Doppler laser radar |
06/19/1991 | EP0432851A2 Variable bi-phase modulator circuits and variable resistors |
06/18/1991 | US5025423 Enhanced bottom sonar system |
06/18/1991 | US5025273 RF drive circuit for an ion projection printing head |
06/18/1991 | US5025260 Measuring system |
06/18/1991 | US5025143 Enhanced clutter suppression apparatus for use with an infrared search and surveillance system |
06/18/1991 | US5024094 Ultrasonic imaging system of bonding zone |
06/13/1991 | CA2025008A1 Pulsed coherent doppler laser radar |
06/12/1991 | WO1991009275A2 Integrated vehicle positioning and navigation system, apparatus and method |
06/12/1991 | EP0431299A2 Two wavelength in-situ imaging of solitary internal waves |
06/12/1991 | CA2071831A1 Integrated vehicle positioning and navigation system, apparatus and method |
06/11/1991 | US5023888 Pulse code recognition method and system |
06/11/1991 | US5023846 Ultrasonic detector for detecting a thin film |
06/11/1991 | US5023618 FM-CW radar apparatus |
06/11/1991 | US5023617 Vehicle forward sensor antenna steering system |
06/11/1991 | US5023594 Electromagnetic radiation |
06/08/1991 | CA2028885A1 Two wavelength in-situ imaging of solitary internal waves |