Patents for G01S 7 - Details of systems according to groups , , (41,338)
02/1990
02/08/1990DE3826799A1 Ultrasonic transducer
02/08/1990DE3826139A1 Ultrasonic tomography device
02/07/1990EP0353633A2 Supersonic flaw detecting system
02/06/1990USH739 Auxiliary antenna interference canceller
02/06/1990US4899163 Microwave plate antenna in particular for Doppler radar
02/06/1990US4899161 High accuracy coordinate conversion method for air traffic control applications
02/06/1990US4899159 Method and device for a M-out-of-N detection scheme
02/06/1990US4899113 Switching helix power supply for a TWT
02/06/1990US4899041 Light sensor for detecting an object in a certain distance
02/06/1990US4898452 Apparatus for mounting target plate on reflector for electronic distance meter
01/1990
01/30/1990US4897824 Sonar systems
01/30/1990US4897660 Structure resonant radar detection apparatus and method
01/30/1990US4897538 Light pulse detecting system with highly reduced false alarm rate, usable for laser detection
01/30/1990CA1265226A1 Log magnitude pulse interference detection for a radar system
01/25/1990WO1990000749A1 Method and apparatus for selectively detecting objects
01/25/1990WO1990000745A1 Process and device for ultrasonic measurement of transit time in liquids or solids by the pulse reflection method
01/25/1990WO1990000729A1 Multi-beam tracking for angle error correction in speed of sound estimations
01/25/1990WO1989009416A3 Ultrasonic velocity sensor
01/24/1990EP0351934A1 Radar system using electronically steerable active transmit-receive modules
01/24/1990EP0351654A2 High accuracy coordinate conversion method for air traffic control applications
01/23/1990US4896283 Iterative real-time XY raster path generator for bounded areas
01/23/1990US4896260 Data processor having integrated circuit memory refresh
01/23/1990US4896116 Pulse radar method and apparatus for detecting an object
01/23/1990US4896031 Proximity fuse optical radiation receiver having wedge-shaped damping filter positioned adjacent photocell
01/23/1990CA1264841A1 Digital device for the in-line measurement of background noise for mti radar with suppression of samples not originating from noise
01/17/1990EP0350998A1 Target detector
01/17/1990EP0350595A2 Method and apparatus for measuring fast optical processes
01/16/1990US4894677 High-power illumination device for a camera
01/16/1990US4894661 Fish school detecting method or apparatus
01/16/1990US4894659 Radar altimeter systems
01/16/1990US4894114 Process for producing vias in semiconductor
01/16/1990US4893923 Doppler laser radar system
01/16/1990US4893922 Measurement system and measurement method
01/11/1990WO1990000288A1 Method and device for mapping out a path of an underground conduct
01/11/1990DE3822699A1 Verfahren und vorrichtung zur laufzeitmessung mittels ultraschall in fluessigen oder festen materialien nach der impuls-reflexionsmethode Method and device for run-time measurement using ultrasound in liquid or solid materials according to the pulse-reflection method
01/10/1990CN1038737A Correction circuit for digital quadrature-signal pair
01/10/1990CN1038703A Ultrasonic echograph with controllable phase coherence
01/10/1990CN1006415B Ultrasonic transducer probe drive mechanism with position sensor
01/09/1990US4893286 System and method for preprocessing and transmitting echo waveform information
01/09/1990US4893284 Calibration of phased array ultrasound probe
01/09/1990US4893129 Planar array antenna
01/09/1990US4893126 Integrated millimeter-wave transceiver
01/09/1990US4893026 Station for detecting and locating through laser beams an object or a substance likely to diffuse back at least one part of the incident laser ray and system for sensing a substance such as smoke in particular of a fire such as a forest fire
01/09/1990US4893025 Distributed proximity sensor system having embedded light emitters and detectors
01/09/1990US4892103 Ultrasonic scanning pulse-generating apparatus
01/09/1990CA1264371A1 Flexible piezoelectric transducer assembly
01/04/1990DE3809041A1 Militaerisches luftfahrzeug Military aircraft
01/03/1990EP0349516A1 Method and apparatus for mapping out a path of an underground conduct
01/03/1990EP0349343A2 Optical system having beam amplification
01/03/1990EP0349321A1 Method and apparatus for determining and displaying the absolute value of quantitative backscatter
01/03/1990EP0349132A1 Method for automatic depth control for earth moving and grading
01/03/1990EP0349110A2 Ground probing radar method and apparatus
01/02/1990US4891796 Icing preventive device for ultrasonic wave transmitting and receiving unit for vehicle
01/02/1990US4891772 Point and line range sensors
01/02/1990US4891649 Noise suppressor for pulsed signal receivers
01/02/1990US4891648 Aircraft radar arrangement
01/02/1990US4891647 Method and a device for reducing the power of jamming signals received by the secondary lobes of a random frequency radar antenna
01/02/1990US4891646 Modulated single channel digital radio frequency memory (DRFM)
12/1989
12/28/1989WO1989012836A1 Automatic tracking type surveying apparatus
12/28/1989DE3821642A1 Device for digital measurement of the change in physical variables
12/28/1989DE3821215A1 Speed/distance travel sensor for motor vehicle arrangements
12/28/1989DE3530036A1 Radar receiving device and a radar installation equipped with a device of this type
12/27/1989CA1264072A1 Reconfigurable parameter filter
12/26/1989US4890334 Buoy structure for detecting fishing grounds
12/26/1989US4890268 Two-dimensional phased array of ultrasonic transducers
12/26/1989US4890266 Acoustic range finding system
12/26/1989US4890112 Time multiplexed radar link
12/26/1989US4890109 Lightweight, broadband, pulsed, frequency agile, self-screening jammer for airborne deployment
12/26/1989US4890070 Device to control the output power of a class C amplifier
12/20/1989EP0346985A2 Target detection systems
12/20/1989EP0346889A1 Ultrasonic diagnostic apparatus
12/20/1989EP0346850A2 Coherent reception radar system
12/20/1989EP0346687A1 Method of suppressing interference in ultrasonic distance measurement
12/20/1989EP0346515A1 Method and apparatus for determining the time of arrival of a sound pulse
12/19/1989US4888591 Signal discrimination system
12/19/1989US4888532 Object sensing apparatus
12/19/1989US4888086 Ultrasonic method
12/14/1989WO1989012237A1 Track display apparatus
12/14/1989DE3912302A1 Input stage for an IR distance measuring system
12/14/1989DE3819683A1 Device for checking the position of a transceiver system for vertical alignment
12/13/1989EP0346044A1 Method for automatic depth control for earth moving and grading
12/13/1989EP0346043A1 Method for automatic depth control for earth moving and grading
12/13/1989EP0345852A1 Ultrasonic echograph with reduced interference noise
12/13/1989EP0345718A2 Underwater display unit
12/13/1989EP0345384A1 A proximity fuse
12/13/1989EP0345383A1 A receiver for optical radiation
12/13/1989EP0188504B1 Adaptive antenna array
12/12/1989US4887306 Adaptive temporal filter for ultrasound imaging system
12/12/1989US4887246 Ultrasonic apparatus, system and method
12/12/1989US4887086 Combination scanner and radar detector
12/12/1989US4886069 Method of, and apparatus for, obtaining a plurality of different return energy imaging beams responsive to a single excitation event
12/12/1989US4886068 Ultrasonic coupling agent
12/06/1989EP0344885A2 Beam powered antenna
12/06/1989EP0344865A2 Signal processing system for collecting and outputting samples
12/06/1989EP0344147A1 Adaptive radar for reducing background clutter
12/05/1989US4885589 Optical distribution of transmitter signals and antenna returns in a phased array radar system
12/05/1989US4885587 Multibit decorrelated spur digital radio frequency memory
12/05/1989US4885586 Circuit for determining transmitter modulation characteristics
12/05/1989CA1263717A1 Modulation detector and classifier
11/1989
11/30/1989WO1989011707A1 A method of intrusion detection over a wide area