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Class Information
Number: 367/88
Name: Communications, electrical: acoustic wave systems and devices > Echo systems > Side scanning or contour mapping sonar systems
Description: Subject matter in which the paths of acoustic waves to and/or from the transmitter-receiver are directed laterally and downwardly into a body of water from a moving vessel on the body of water or in which a topos:graphical record of the bottom of the body of water is produced from acoustic waves received at the moving vessel.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
5802012 Synthetic-aperture sonar system Sep. 1, 1998
5793703 Digital time-delay acoustic imaging Aug. 11, 1998
5781504 Shallow water beamforming methodology for toroidal volume search sonar Jul. 14, 1998
5699318 Topographic composition sonar map Dec. 16, 1997
5689475 Nautical apparatus to conduct reconnaissance missions of a site, particularly bathymetric surveys Nov. 18, 1997
5675550 Reduced wavenumber synthetic aperture Oct. 7, 1997
5640369 Signal processing system and technique for calculating roll bias data Jun. 17, 1997
5606533 Data acquisition system and method Feb. 25, 1997
5596549 Side look sonar apparatus and method Jan. 21, 1997
5591911 Ultrasound signal processor Jan. 7, 1997
5568450 System and processor for real-time extraction of ocean bottom properties Oct. 22, 1996
5555532 Method and apparatus for target imaging with sidelooking sonar Sep. 10, 1996
5546356 Wide beam acoustic projector with sharp cutoff and low side lobes Aug. 13, 1996
5546357 Monostatic projector synthetic aperture sonar Aug. 13, 1996
5537366 Buried cable pipe detection sonar Jul. 16, 1996
5532974 Beam pattern measuring apparatus for side-scanning sonars Jul. 2, 1996
5532973 Resolving power target for side-scanning sonars Jul. 2, 1996
5515337 Multibeam side-look sonar system grating side lobe reduction technique May. 7, 1996
5506812 Toroidal volume search sonar Apr. 9, 1996
5493619 Normalization method for eliminating false detections in side scan sonar images Feb. 20, 1996
5493539 Two-stage detection and discrimination system for side scan sonar equipment Feb. 20, 1996
5485432 Method of measuring the acoustic backscatter property of the floor of bodies of water Jan. 16, 1996
5475651 Method for real-time extraction of ocean bottom properties Dec. 12, 1995
5471435 Method for acoustic/electromagnetic signal processing Nov. 28, 1995
5442358 Imaging lidar transmitter downlink for command guidance of underwater vehicle Aug. 15, 1995
5438552 Sonar system for identifying foreign objects Aug. 1, 1995
5428581 Method for compensating for the movement of the antenna for a sonar Jun. 27, 1995
5414675 Sonar system for detection of near bottom targets May. 9, 1995
5412618 Spotlight-mode synthetic aperture side-look sonar May. 2, 1995
5412617 High resolution measuring method and apparatus May. 2, 1995
5390152 Forward looking echosounder Feb. 14, 1995
5321667 Sonar systems Jun. 14, 1994
5303208 Side looking sonar transducer Apr. 12, 1994
5299173 Method and apparatus for underwater sonar scanning Mar. 29, 1994
5295118 Synthetic aperture side-looking sonar apparatus Mar. 15, 1994
5291458 Method of determining depth values for the surface profile of the bottom of a body of water Mar. 1, 1994
5260912 Side-looking fish finder Nov. 9, 1993
5248978 Underwater guide vehicle for removal of submerged and floating navigational hazards Sep. 28, 1993
5241314 Image lidar transmitter downlink for command guidance of underwater vehicle Aug. 31, 1993
5200931 Volumetric and terrain imaging sonar Apr. 6, 1993
5189424 Three dimensional interferometric synthetic aperture radar terrain mapping employing altitude measurement and second order correction Feb. 23, 1993
5184330 Multi-beam sonar fish detection apparatus providing real-time three-dimensional wire-frame display representation Feb. 2, 1993
5177710 High speed multibeam sidelock sonar with few elements Jan. 5, 1993
5173882 Sonar system for and method of arctic seafloor reconnaissance Dec. 22, 1992
5160931 Interferometric synthetic aperture detection of sparse non-surface objects Nov. 3, 1992
5155706 Automatic feature detection and side scan sonar overlap navigation via sonar image matching Oct. 13, 1992
5142502 Microcomputer-based side scanning sonar system Aug. 25, 1992
5142503 Side-scanning sonar towfish Aug. 25, 1992
5077699 Digital bottom mapping Dec. 31, 1991
5033029 Interlaced sonar system Jul. 16, 1991

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