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)
12/1991
12/28/1991CA2044401A1 Multibeam optical and electromagnetic hemispherical/spherical sensor
12/27/1991EP0462641A1 Radar apparatus with jamming indicator and receiver device with jamming indicator
12/27/1991EP0462595A2 Three-dimensional measuring apparatus
12/27/1991EP0462289A1 Apparatus for measuring three-dimensional coordinates
12/27/1991EP0249623B1 Enhanced quadrature notch filter
12/26/1991WO1991019995A1 Channelised bearing processor
12/26/1991WO1991019457A1 Automated method for digital image quantitation
12/24/1991US5075856 System for modelling low resolution atmospheric propagation
12/24/1991US5075681 Radar cross-section model support and positioning apparatus
12/18/1991EP0386152A4 Millimeter wave imaging device
12/18/1991EP0175770B1 Three-dimensional imaging system
12/17/1991US5073782 Contraband detection system
12/17/1991US5073780 Identifying targets with a radar system
12/17/1991US5073779 System for transmitting aircraft transponder beacon information
12/17/1991US5072890 Means for focusing a portion of electromagnetic energy
12/17/1991US5072735 Ultrasonic imaging apparatus
12/17/1991US5072734 Pulse doppler mti system
12/10/1991US5072228 Phased array antenna with temperature compensating capability
12/10/1991US5072225 Radar sidelobe identification and discrimination system
12/10/1991US5070734 Ultrasonic diagnostic apparatus
12/10/1991US5070730 Device for level gauging with microwaves
12/05/1991DE4017849A1 Noise suppression circuit for sonar signals - has separate signal processing paths for two signal channels with separately controlled narrow band filters
12/05/1991DE4017353A1 Missile with target detector
12/04/1991EP0459886A1 Distance-to-runway measuring device for a flying object
12/04/1991EP0459853A1 Acquisition method of echography images
12/04/1991EP0459813A2 Ultrasonic imaging apparatus indicating dispersion of characteristic parameter of medium
12/04/1991EP0459616A2 Aircraft antenna with correction of errors introduced by a coning of the antenna beam and by aircraft banking
12/04/1991EP0459583A1 Ultrasonic echograph with phase aberration adaptive correction
12/04/1991EP0459487A2 Ultrasonic inspection and imaging instrument
12/04/1991EP0459336A1 Ultrasonic distance measuring system
12/04/1991EP0459078A2 Projectile with a target detector
12/04/1991EP0396662A4 Adaptive waveform radar
12/04/1991CN1056752A Combined microwave and optic rotaty joint
12/03/1991US5070336 Radar guidance system correcting hardware induced channel-to-channel phase errors
12/03/1991US5070335 Pulse doppler radar systems for helicopter recognition
12/03/1991US5070303 Logarithmic amplifier/detector delay compensation
12/03/1991US5069545 Laser radar system
12/02/1991CA2043621A1 Flying object field distance measuring device
11/1991
11/28/1991DE4113503C1 Evaluation circuit for laser warning detector - with alarm signal supplied only when pulse length is beneath given value
11/27/1991EP0458671A1 Mixed high-frequency and optical rotary joint
11/27/1991EP0458669A1 Method for fast recognition of objects that may belong to a collection comprising a large number of objects with different caracteristics
11/27/1991EP0458276A2 Doppler velocimeter
11/27/1991EP0250453B1 Cascaded internal impedance dependent amplifier with accurate variable gain control
11/26/1991US5068833 Dynamic control circuit for multichannel system
11/26/1991US5068666 Radar
11/26/1991US5068665 Architecture for the implementation of radar displays
11/26/1991US5068664 Method and device for recognizing a target
11/26/1991US5068663 Motor vehicle radar detector including amplitude detection
11/26/1991CA1292580C Process control equipment for use in adverse environments
11/21/1991EP0457396A1 Device for eliminating fixed echos in an ultrasonic echograph
11/21/1991EP0456680A1 Antenna arrays.
11/21/1991DE4010553C1 Data transmission installation converting words packed in sentence - is installed between data source and data sink having unpacked words in specific processing data format
11/19/1991US5066854 Method of and apparatus for guiding a self-steering vehicle along an optical guideway
11/19/1991US5065763 Combined reflection and transmssion untrasonic imaging method and apparatus
11/19/1991US5065624 Installations for measuring liquid depth
11/19/1991CA1292305C Hydroacoustic sonar equipment
11/14/1991WO1991017458A1 Improved ultra-sonic sensor arrangement for an automatic faucet system
11/13/1991EP0456131A2 Photoelectric sensor
11/12/1991US5065371 Depth finder having variable measurement capabilities
11/12/1991US5065161 Ship track indicating apparatus
11/07/1991DE4013743A1 Optical proximity switch - uses cylinder-mounted prism with axially-symmetrical faces to provide high precision adjustment
11/06/1991EP0455411A1 Correlation detector for FM signals
11/06/1991EP0455305A1 An arrangement for determining the distance therefrom to an object
11/06/1991CN1014641B Ultrasonic echograph and method of scanning object by means of such echograph
11/05/1991US5063541 Beam forming method and apparatus therefor in ultrasonic imaging system
11/05/1991US5063388 Method for the assigning of radar recurrences to radials to be displayed and image digital converter to implement said method
11/05/1991US5063386 Device for the detection of the signals of transponders interrogated by a secondary radar in the presence of multiple-path phenomena
11/05/1991US5063385 Radar warning receiver compressed memory histogrammer
11/05/1991US5063380 Discrete object searching apparatus for search of discrete files and the like
11/05/1991US5062427 Ultrasonic doppler apparatus
10/1991
10/31/1991WO1991016640A1 Device for the non-contact measurement of speed, displacement distance and/or range
10/31/1991WO1991015999A1 Ultrasound imaging technique using non linear scattering from bubbles
10/31/1991CA2040964A1 Rf drive circuit for an ion projection printing head
10/30/1991EP0454034A1 Radio frequency earth observation device, and space system with such a device
10/29/1991US5062087 Hand held electronic grading level
10/29/1991US5062083 Ping elongator-modulator for realistic echo synthesis
10/29/1991US5062056 Apparatus and method for tracking a target
10/29/1991US5061937 Array antenna apparatus
10/29/1991US5061935 Three-dimensional display radar
10/29/1991US5060652 Ultrasonic diagnosis apparatus
10/29/1991US5060515 Image signal processing circuit for ultrasonic imaging apparatus
10/23/1991EP0452985A2 Imaging lidar systems and K-meters employing tunable and fixed frequency laser transmitters
10/23/1991EP0452531A1 Electric measuring device for determining the propagation time of an electrical signal
10/23/1991CN1014469B Moving target adaptive detector basing upon the max. entropy spectrum estimation
10/23/1991CN1014464B Apparatus and method for ultrasound detection
10/22/1991US5060205 Ultrasonic distance measuring system
10/22/1991US5059968 Radar system and method of operating such system
10/22/1991US5059967 Apparatus and method for displaying weather information
10/22/1991US5059966 Synthetic aperture radar system
10/22/1991US5059946 Ultrasonic obstacle detector
10/22/1991US5058594 Direct velocity estimator for ultrasound blood flow imaging
10/22/1991US5058593 Apparatus for processing and displaying ultrasonic data
10/19/1991WO1991016000A1 Method and apparatus for determining the velocity of a flowing liquid
10/19/1991CA2080470A1 Method and apparatus for determining the velocity of a flowing liquid
10/16/1991EP0452023A2 Method and apparatus for pulse sorting
10/16/1991EP0451966A2 Method and apparatus for digital phased array imaging
10/16/1991EP0451517A1 Acoustic image acquisition
10/16/1991EP0451497A1 Method for forming the radiation pattern of an active antenna for radar with electronic scanning, and antenna using this method
10/16/1991EP0451463A2 Multiple transducer selector
10/16/1991EP0451322A2 Dynamic control circuit for multichannel system
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