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 15 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
Patents for G01S 15 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems (17,242)
03/1982
03/30/1982US4322819 Memory system having servo compensation
03/24/1982EP0048013A1 Ultrasonic diagnostic apparatus
03/23/1982US4320765 Doppler pseudorandom noise velocimeters
03/23/1982US4320660 Fresnel focussed imaging system
03/23/1982CA1120579A1 Ultrasonic transmission device
03/23/1982CA1120578A1 Ultrasonic ranging system for a camera
03/16/1982US4319489 Ultrasonic diagnostic method and apparatus
03/10/1982EP0046987A2 Endoscope apparatus
03/09/1982US4319349 Ultrasonic intrusion detection system
03/09/1982US4319348 Method and apparatus of surveying nodular targets on the sea floor
03/09/1982US4318674 Automatic liquid level controller
03/09/1982US4318413 Ultrasonic diagnostic apparatus
03/09/1982US4318298 Automatic liquid level monitor
03/09/1982CA1119707A1 Method of and apparatus for the generation and transmission of signals for echolocation and other signalling purposes, such as in geophysical exploration
03/04/1982WO1982000727A1 Supersonic warning system
03/02/1982US4317370 Ultrasound imaging system
03/02/1982US4317369 Ultrasound imaging apparatus and method
03/02/1982CA1119280A1 Radar system with specialized weighting
02/1982
02/23/1982US4317184 Dual slope compensation apparatus
02/23/1982US4316390 Method and equipment for plotting section images of objects subjected to ultrasonic examination
02/18/1982WO1982000526A1 Distance ranging apparatus and method
02/17/1982EP0045763A1 A sonar distance sensing apparatus
02/09/1982US4315263 Navigational systems using phase encoded angular coordinates
02/02/1982US4313444 Method and apparatus for ultrasonic Doppler detection
01/1982
01/26/1982US4313184 Sonar systems
01/26/1982US4313181 Torpedo countermeasure
01/19/1982US4311045 Device for measuring sea currents at great depths
01/19/1982CA1116742A1 Fresnel focussed imaging system
01/19/1982CA1116741A1 Dynamic focusing apparatus and method
01/19/1982CA1116739A1 Ultrasonic detection system maintains shields between adjacent transducers for suppression of sidelobes
01/13/1982EP0043396A1 A distance indicating system
01/12/1982US4310903 Method of and apparatus for providing information as to the existence or position of objects
01/12/1982US4310878 Digital feedback control system
01/12/1982US4309906 Apparatus for providing an ultrasonic sectional view
01/12/1982US4309904 Apparatus identification system
01/07/1982WO1982000061A1 Receiver for a multi-element ultrasonic probe echograph and echograph thus equiped
01/06/1982EP0043293A1 Digital phase detector
01/06/1982EP0043158A1 Ultrasonic investigation apparatus
01/05/1982US4308751 Method for investigating an anchored rod-like body having an accessible end, and apparatus for carrying out the method
01/05/1982US4308749 Device for measuring in real time sea currents in deep water
12/1981
12/29/1981US4308601 Echo ranging apparatus and method
12/29/1981US4308600 Method and apparatus for determining the position of a mobile apparatus on an immersed structure
12/29/1981US4308599 Echo sounder transmitting radiant energy at two frequencies
12/29/1981US4307613 Electronically focused ultrasonic transmitter
12/29/1981US4307612 Method and means for ultrasonic inspection
12/23/1981EP0042288A1 Ultrasonic imaging apparatus
12/22/1981US4307456 Ultrasonic rangefinder
12/15/1981US4306301 Wide band frequency shifter in variable amounts
12/15/1981US4305296 Ultrasonic imaging method and apparatus with electronic beam focusing and scanning
12/15/1981CA1114491A1 Ultrasonic imaging system
12/09/1981EP0041403A1 Method and apparatus for ultrasonic wave measurement of characteristics of the internal structure of an object
12/08/1981US4305141 Low-frequency directional sonar systems
12/08/1981US4305140 Low frequency sonar systems
11/1981
11/25/1981EP0040566A1 Dynamically-focused sector-scan imaging unit
11/25/1981EP0040375A1 Ultrasonic transducer array
11/24/1981US4302827 Runway and obstacle detector to improve airplane landing
11/24/1981US4302721 Non-contacting resistivity instrument with structurally related conductance and distance measuring transducers
11/24/1981US4302286 Reactor vessel in-service inspection assembly and ultrasonic centering device
11/24/1981CA1113181A1 Apparatus for ultrasonic examination
11/18/1981EP0039940A1 Automatic focusing camera
11/17/1981CA1112753A1 Sonar for obtaining a topographic representation of an immersed surface and underlying layers
11/11/1981EP0039457A1 Acoustic microscope
11/11/1981EP0039434A1 Signal storing device
11/10/1981US4300216 Multi-channel fishscope
11/10/1981US4300215 Wide angle acoustic camera
11/10/1981CA1112351A1 Doppler flow meter and method
11/10/1981CA1112350A1 Depth sounder repeater structure and method
10/1981
10/20/1981US4296482 Parametric array Doppler sonar apparatus
10/13/1981CA1110750A1 Electronic beam scanning for ultrasonic imaging
10/07/1981EP0037196A2 Method and apparatus for determining physical quantities, particularly quantities related to length
10/07/1981EP0037012A2 Ultrasonic imaging device
09/1981
09/30/1981EP0036794A1 Acoustic imaging system
09/29/1981US4292678 Method of and apparatus for echo location of objects
09/23/1981EP0036366A1 System for processing an acoustical signal of a telemetered wind speed
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
09/22/1981US4290310 Ultrasonic imaging system using digital control
09/15/1981US4290125 Fish detector capable of detecting species of fish
09/09/1981EP0035213A1 Ultrasonic diagnosing apparatus
09/08/1981US4288866 Ultrasonic image system
09/08/1981US4287767 Ultrasonic section surface examination equipment
09/03/1981WO1981002472A1 A sonar distance sensing apparatus
09/01/1981US4287580 Miniaturized scan within a pulse sonar
09/01/1981US4287578 Method for shaping and aiming narrow beams
09/01/1981US4286462 Acoustic detection of wind speed and direction at various altitudes
08/1981
08/19/1981EP0033977A2 Ultrasonic blood flow measuring apparatus
08/18/1981US4285053 Acoustic method and apparatus for measuring micron and submicron distances
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
08/18/1981US4284473 For detecting floating core components in liquid metal coolant
08/11/1981US4282755 Transducer drive and control
08/04/1981US4282589 Correlation ranging
08/04/1981US4282586 Doppler log
08/04/1981US4282452 Method and circuit arrangement for energizing ultrasonic transducers which are utilized in impulse echo technology
07/1981
07/29/1981EP0032848A1 Digital type ultrasonic holography apparatus
07/29/1981EP0032739A1 A multielement acoustic transducer, a method of manufacturing the same, and use of the same in an acoustic imaging instrument
07/29/1981EP0032592A1 Method and apparatus for real time detection of faults in industrial objects
07/29/1981EP0032514A1 Ultrasonic wave Tomographic Imaging System
07/29/1981EP0032513A1 Ultrasonic diagnostic equipment
07/28/1981US4281404 Depth finding apparatus
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