Patents
Sitemap › G01 - Measuring; Testing › G01S - Radio direction-finding; Radio navigation; Determining distance or velocity by use of radio waves; Locating or presence-detecting by use of the reflection or reradiation of radio waves; Analogous arrangements using other waves › G01S 7 - Details of systems according to groups , ,
Patents for G01S 7 - Details of systems according to groups , , (41,338)
11/1990
11/18/1990CA2016512A1 Fiber optical triangulation gage
11/15/1990DE3915303A1 Two=way optical signal path - includes second station with two I=O windows for optical radiation arranged apart from revolution axis
11/15/1990DE3915178A1 Radar signal processing with improved centre position location - using cellular detection region and summation of vector-pulse height products
11/14/1990EP0397527A2 Stagger compensated moving target detector
11/14/1990EP0397221A2 The processing of reflected signals
11/14/1990EP0396668A1 Radar system for determining angular position utilizing a linear phased array antenna
11/14/1990EP0396662A1 Adaptive waveform radar.
11/14/1990EP0396611A1 Vehicular anticollision radar system.
11/13/1990US4970660 Accumulated statistics constant false alarm rate method and device
11/13/1990US4970637 Digital anti-aliasing filter
11/13/1990US4970519 Continuously transmitting and receiving radar
11/13/1990US4970384 Optical sensor for detecting distance to an object including anamorphic light receiving lens
11/12/1990CA2016634A1 Stagger compensated moving target detector
11/07/1990EP0396361A2 Ultrasonic linear meter sensor for positive displacement meter
11/07/1990EP0395682A1 Closed loop velocity/altitude sensor for fm-cw doppler radars.
11/06/1990US4969131 Automatic detection and classification equipment for high resolution sonar
11/06/1990US4968969 Device and method for data transmission and/or acquisition using two cross polarizations of an electromagnetic wave and magnetic recording device
11/06/1990US4968968 Transmitter phase and amplitude correction for linear FM systems
11/06/1990US4968967 Continuously transmitting and receiving radar
11/06/1990US4968957 Transmit and receive diplexer for circular polarization
11/06/1990US4967860 Process and apparatus for locating an obstacle
11/03/1990CA2015486A1 Ultrasonic linear meter sensor for positive displacement meter
11/01/1990WO1990013076A2 A detection system for locating aircraft
11/01/1990WO1990013050A1 Object-sensing device for motor vehicles
10/1990
10/31/1990EP0395614A1 Method and arrangement for determining the direction to a laser beam source
10/31/1990EP0395613A1 Laser-warning method and laser warning arrangement
10/31/1990EP0395508A1 Telemetry using time of flight measurement and device therefor
10/31/1990EP0395368A2 Quadrature phase demodulator capable of operating under a wide input dynamic range
10/31/1990EP0394857A2 Method and apparatus to scan convert radar video to television outputs
10/31/1990EP0394439A1 Ultrasonic diagnostic apparatus
10/31/1990EP0394428A1 Process and device for measuring a two-dimensional reflective structure.
10/31/1990DE4013049A1 Doppler radar module circuit for object motion detection - has aerial coupled to control circuit for circuit of single active switching element for oscillator and receiver
10/31/1990CN1046608A Moving target adaptive detector basing upon the max. entropy spectrum estimation
10/30/1990US4967201 Multi-layer single substrate microwave transmit/receive module
10/30/1990US4967199 Ground probing radar method and apparatus
10/30/1990US4967183 Method of intrusion detection over a wide area
10/30/1990US4967066 Method and system for increasing the effective dynamic range of a photosensor
10/25/1990WO1990013049A1 Short-range radar transceiver employing a fet oscillator
10/25/1990DE3912704A1 SHort power pulses generator - has parallel fed MOS FET groups in chain connection of specified configuration
10/24/1990EP0393760A1 Apparatus for the discrimination of volume diffused echos for FM/CW distance measurement radar and application in a radio altimeter
10/24/1990EP0393698A2 Device for improving radar resolution
10/24/1990EP0393225A1 Ultrasonic detection with an ultrasonic beam directed transversely to a vehicle's direction of movement
10/24/1990CA2013583A1 Method and apparatus to scan convert radar video to television outputs
10/23/1990US4965581 Real-time rejection circuit to automatically reject multiple interfering hopping signals while passing a lower level desired signal
10/23/1990US4964295 Bore mapping and surface time measurement system
10/23/1990CA1275481C 2-d pulse doppler radar
10/23/1990CA1275462C Self-monitoring reflection light barrier
10/21/1990WO1990012540A1 Apparatus and method for generating echographic images
10/21/1990CA2053249A1 Apparatus and method for generating echographic images
10/18/1990WO1990012292A1 Device for level gauging with microwaves
10/18/1990WO1990012284A1 An arrangement for performing position determination
10/18/1990WO1990012282A1 An arrangement for establishing or defining the position of a measuring point
10/18/1990DE3912398A1 Objekt-erkennungsvorrichtung fuer kraftfahrzeuge Object detection device for motor vehicles
10/18/1990DE3910840A1 Device for scanning (sampling) and/or testing body surfaces
10/17/1990EP0392327A1 Damping circuit for the antenna resonance circuit of a radio transmitter-receiver
10/17/1990EP0392172A2 Laser-radar system
10/17/1990EP0392012A1 Ultrasonic diagnosing apparatus
10/16/1990US4964104 System for measuring position using electronic or ultrasonic devices
10/16/1990US4963021 Photoelectric switching apparatus
10/16/1990US4962667 Ultrasonic imaging apparatus
10/16/1990CA1275322C Three-dimensional imaging system
10/14/1990WO1990012330A2 Hand-held laser rangefinder
10/14/1990CA2051656A1 Hand-held laser rangefinder
10/10/1990EP0391328A2 Obstacle detection and warning system particularly well suited for helicopter applications
10/10/1990EP0391326A2 Microwave switch for the protection of devices in cascade, effective even with equipment turned off
10/10/1990EP0391278A2 Doppler velocity meter
10/10/1990EP0390969A2 Positioning system
10/03/1990EP0390657A1 Measurement of the stability of transmission and reception in radar
10/03/1990EP0390334A2 Improved data link using electronically steerable beam
10/03/1990EP0389673A2 Phase shift circuit
10/03/1990EP0389606A1 Coherent radar using recirculating fiber-optic delay line.
10/02/1990US4961173 Control sensor for a construction machine
10/02/1990US4961074 Multiband radar detector
10/02/1990US4960329 Chirp pulse echo ranging apparatus
10/02/1990CA1274902A1 Ultrasonic reflex transmission imaging method and apparatus with external reflector
09/1990
09/30/1990CA2013522A1 Radar transmission-reception stability measure
09/26/1990EP0389343A1 Method for the remote monitoring of antenna elements in a secondary radar, and device for carrying out the process
09/26/1990EP0389052A1 Ultrasonic echographic imaging apparatus, using an adaptive filter
09/26/1990EP0388603A1 Method and apparatus for covertly viewing a target using infrared radiation
09/26/1990EP0388438A1 Measurement of corrosion with curved ultrasonic transducer; rule-based processing of full echo waveforms; preprocessing and transmitting echo waveform information
09/26/1990CN2062853U Portable tester for radar responser
09/26/1990CN1045650A Simulator of velocity to moving target
09/25/1990US4959817 Intruder target monitoring sonar alarm system
09/25/1990US4959654 Digitally generated two carrier phase coded signal source
09/25/1990US4959653 Adaptive sidelobe blanker
09/25/1990CA1274581A1 High voltage solid state switch
09/21/1990CA2012592A1 Method for remotely monitoring the radiating elements of a secondary surveillance radar antenna and device using said method
09/20/1990WO1990010928A1 Process for influencing a noise source of a submarine and submarine
09/20/1990WO1990010926A1 Process and device for reducing the noise emission of submerged submarines
09/19/1990EP0387415A1 Method and apparatus for the determination of the average frequency of a random sequence of burst signals
09/19/1990EP0387294A1 Crystal controlled magnetron
09/18/1990US4958331 Towed sonar receiving array
09/18/1990US4957362 Method and apparatus for electro-optical phase detection
09/13/1990DE3907788A1 Radar signal processing method
09/12/1990EP0386936A1 Echogenic devices
09/12/1990EP0386224A1 Data processing system for a phased array antenna
09/12/1990EP0386152A1 Millimeter wave imaging device.
09/12/1990EP0386039A1 Traffic advisory-vertical speed and radar display.
09/12/1990EP0385989A1 Device for the display of a plurality of radar images
09/12/1990EP0253017B1 System and method of surveying
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