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)
12/1981
12/09/1981EP0041185A1 Ultrasonic scanning device
12/08/1981US4305076 Device for the automatic testing of digital filters in moving-target indicators
12/08/1981US4305073 Radar video compression system
12/08/1981US4304517 Chaff ejection device
12/08/1981CA1114049A1 Passive optical range simulator device
12/02/1981EP0040818A1 Doppler radar apparatus having two cavity resonators
12/01/1981US4303921 Digital readout PRF measuring device
11/1981
11/25/1981EP0040566A1 Dynamically-focused sector-scan imaging unit
11/25/1981EP0040376A1 Ultrasonic transducer array
11/25/1981EP0040375A1 Ultrasonic transducer array
11/18/1981EP0040114A1 Optical real-time viewing system with scanning
11/17/1981US4301522 Formation of sonar channels by charge-coupled devices
11/17/1981US4301471 Moving target indicator system utilizing charge coupled device
11/17/1981US4301454 Channelized receiver system
11/17/1981US4300824 Signal processing circuitry for a distance measuring system
11/11/1981EP0039434A1 Signal storing device
11/10/1981US4300215 Wide angle acoustic camera
11/10/1981CA1112341A1 Radar system employing two kinds of pulses
11/04/1981EP0039080A1 Transmitter for pulse-shaped high-frequency signals
11/03/1981US4298872 Sidelobe blanking system
11/03/1981US4298841 Signal envelope detecting system
11/03/1981US4298280 Infrared radar system
11/03/1981CA1111955A1 Search radar
11/03/1981CA1111952A1 Radar altimeter simulator
10/1981
10/28/1981EP0038734A1 Apparatus for normalizing the gradient of the off-boresight measurement by radar and air-earth radar comprising such an apparatus
10/28/1981EP0038331A1 Signal processing equipment for ultrasonic visualisation.
10/21/1981EP0038102A1 Digital scan converter
10/20/1981US4296482 Parametric array Doppler sonar apparatus
10/20/1981US4296348 Interdigitated electrode ultrasonic transducer
10/13/1981US4294119 Ultrasonic applicator for ultrasonic scanning of bodies
10/13/1981CA1110750A1 Electronic beam scanning for ultrasonic imaging
10/13/1981CA1110743A1 Radar clutter suppressor
10/07/1981EP0037303A1 Linear pulse pedestal clipping circuit having an adjustable threshold
10/07/1981EP0037302A1 Digital processing and storing device and echographic scanner comprising such a device
10/07/1981EP0037076A2 Pulse Doppler radar with a video threshold
10/07/1981EP0037075A2 Pulse Doppler radar with a CFAR threshold
10/07/1981EP0037012A2 Ultrasonic imaging device
10/06/1981US4293856 Digital CFAR signal processor for phase coded radars
10/06/1981US4293825 Frequency-shifting systems for frequency modulated signals
10/06/1981US4293816 Balanced search loop for metal detector
09/1981
09/30/1981EP0036794A1 Acoustic imaging system
09/30/1981EP0036751A2 Improvements in or relating to signal rank detectors
09/30/1981EP0036688A1 Device for exploring by the ultrasonic method with a mosaic of transducers produced in an electrostrictive material
09/30/1981EP0036577A1 Ultrasonic transducer array
09/30/1981EP0036476A1 Microwave transmitter-receiver, particularly for a Doppler radar system
09/29/1981US4292679 Variable directivity mounting means
09/29/1981US4292678 Method of and apparatus for echo location of objects
09/23/1981EP0036353A1 Ultrasonic imaging probe with acoustic lens and echographic imaging system comprising such a probe
09/23/1981EP0036348A1 Active detection system by means of simultaneous emission of pulsed frequencies
09/23/1981EP0036239A2 A device for spreading of radar chaff
09/23/1981EP0036186A2 Method for pulse activation of a piezo-electric sound transmitter-transducer
09/22/1981US4291309 FM/CW Radar
09/22/1981US4291308 Non-linear raster generator
09/22/1981US4290670 Optical receiver/transmitter system employing a common optical aperture
09/22/1981US4290310 Ultrasonic imaging system using digital control
09/22/1981US4290309 Diagnostic ultrasound apparatus having automatic isocentric rotator
09/22/1981US4290308 Method of monitoring defects in tubular products
09/15/1981US4290125 Fish detector capable of detecting species of fish
09/15/1981US4290067 Radiant energy profilometer
09/15/1981US4290066 High speed adaptive clutter filter
09/15/1981US4289140 Signal processing system
09/15/1981CA1109142A1 Passive optical range simulator device
09/09/1981EP0035387A2 Ultrasonic imaging apparatus
09/09/1981EP0035213A1 Ultrasonic diagnosing apparatus
09/08/1981US4288866 Ultrasonic image system
09/08/1981US4288764 Signal processing devices
09/08/1981US4287768 Beam deflection method and apparatus for sector scan ultrasound imaging systems
09/08/1981US4287767 Ultrasonic section surface examination equipment
09/03/1981WO1981002472A1 A sonar distance sensing apparatus
09/03/1981WO1981002470A1 Receiver system for the suppression of jamming signals from frequency modulated jamming transmissions
09/01/1981US4287579 Moving object detecting device
09/01/1981US4287558 Sampled data processing system having memory with areas alternately dedicated to data I/O and data processing
09/01/1981US4287533 Apparatus for recording and playing back radar video with conventional video recorder
09/01/1981US4286462 Acoustic detection of wind speed and direction at various altitudes
09/01/1981US4286455 Ultrasound phantom
08/1981
08/26/1981EP0034510A1 Improvements in or relating to pulsed solid state systems
08/26/1981EP0034322A2 Ultrasonic transmitter
08/25/1981US4286267 Directional antenna system with electronically controllable sweep of the beam direction
08/19/1981EP0034125A1 System for the extraction of the coordinates of a moving aircraft by means of a primary radar
08/19/1981EP0033977A2 Ultrasonic blood flow measuring apparatus
08/18/1981US4285011 Apparatus for producing an image of an object scanned by ultrasonic wave beams
08/18/1981US4285010 Ultrasonic interrogating system and exciter-detector circuit therefor
08/18/1981US4284991 Common antenna for primary and secondary radar system
08/18/1981US4284955 Pulse repetition interval generator with stagger compensation
08/18/1981CA1107398A1 Pulse repetition interval autocorrelator system
08/18/1981CA1107377A1 System for transmitter frequency control in coherent ladar
08/12/1981EP0033555A1 Threshold circuit for clutter removal in radar video signals
08/12/1981EP0033508A1 Circuit for intermittently transmitting and receiving with only one sound transmitter-transducer
08/11/1981US4283790 Transistorized modulator for pulse radar
08/11/1981US4283725 In-flight aircraft weather radar calibration
08/11/1981US4282755 Transducer drive and control
08/11/1981CA1106959A1 Sector scanner display and recording system for ultrasonic diagnosis
08/05/1981EP0033167A2 Device for the detection of sheet-like objects
08/04/1981US4282453 Transducer apparatus for detecting airborne pressure pulse
08/04/1981US4282452 Method and circuit arrangement for energizing ultrasonic transducers which are utilized in impulse echo technology
08/04/1981US4282430 Reflection-type photoelectric switching apparatus
08/04/1981US4281661 Medical echo sounding apparatus with a wide sector scanning angle
08/04/1981US4281549 Equipment for displaying section images of objects subjected to ultrasonic examination
08/04/1981CA1106476A1 Airport surface detection equipment (asde)
07/1981
07/29/1981EP0032836A2 Radar display apparatus
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