| Patents for G10K 11 - Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general (21,150) |
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| 06/15/1982 | US4334432 Ultrasonic linear array beamforming method and apparatus |
| 06/10/1982 | WO1982001919A1 Stall-free axial flow fan |
| 06/08/1982 | US4333842 Piezoelectric single crystal and surface acoustic wave element employing the same |
| 06/08/1982 | US4333474 Ultrasonic imaging system |
| 06/08/1982 | CA1125429A1 Slamming-resistant sonar dome canoe |
| 06/01/1982 | US4333028 Damped acoustic transducers with piezoelectric drivers |
| 06/01/1982 | US4332171 Ultrasonic diagnosis apparatus |
| 06/01/1982 | CA1124826A1 Beamformer |
| 05/25/1982 | US4332018 Wide band mosaic lens antenna array |
| 05/25/1982 | US4331214 Device to reduce the acoustical radiation from empty cans and containers during handling and transport in canning and related operations |
| 05/25/1982 | US4330895 Stabilizer for reducing motion of an object disposed in a fluid |
| 05/25/1982 | CA1124182A1 Acoustical wall panel |
| 05/25/1982 | CA1124001A1 Hood assembly with noise filter |
| 05/19/1982 | EP0051927A1 Ultrasonic transducer |
| 05/18/1982 | US4330875 Focusing circuit for ultrasound imaging system |
| 05/18/1982 | US4330874 Mechanical sector scanner head and power train |
| 05/18/1982 | US4330728 Surface acoustic wave coupling with respect to non-piezoelectric substrates |
| 05/18/1982 | US4330047 Sound-attenuating ventilation |
| 05/18/1982 | US4330046 Sound barrier |
| 05/18/1982 | US4329905 Sound generating apparatus |
| 05/18/1982 | US4329876 Method and apparatus for acoustic scanning using bulk wave scattering of bulk waves by an acoustic grating |
| 05/18/1982 | CA1123703A1 Phantom material and method |
| 05/05/1982 | EP0051033A1 Ultrasonic prober |
| 05/05/1982 | EP0050621A1 Noise reduction system |
| 05/04/1982 | US4328569 Array shading for a broadband constant directivity transducer |
| 05/04/1982 | US4327816 Acoustic liner for attenuating noise |
| 05/04/1982 | US4327738 Endoscopic method & apparatus including ultrasonic B-scan imaging |
| 04/28/1982 | EP0050314A2 Vibratable member, in particular a resonant body for sound-producing devices |
| 04/27/1982 | US4326418 Acoustic impedance matching device |
| 04/27/1982 | CA1122691A1 Transducer housing with release mechanism |
| 04/21/1982 | EP0050060A1 Imaging system with simultaneous multiple transmission |
| 04/20/1982 | US4326274 Transmission system of aerial ultrasonic pulse and ultrasonic transmitter and receiver used in the system |
| 04/20/1982 | US4325461 Noise reducing resonators, or so-called silators |
| 04/20/1982 | US4325456 Acoustical transformer for compression-type loudspeaker with an annular diaphragm |
| 04/20/1982 | US4325381 Ultrasonic scanning head with reduced geometrical distortion |
| 04/20/1982 | US4325258 Conical transducer ultrasonic scanning |
| 04/20/1982 | US4325257 Real-time digital, synthetic-focus, acoustic imaging system |
| 04/14/1982 | EP0049485A1 Coating, method for its production and its use |
| 04/13/1982 | US4324951 Acoustic coupling system |
| 04/13/1982 | US4324831 Formed structures based on synthetic fibers and having soundproofing properties |
| 04/13/1982 | US4324313 Exponential horn for use in horn-type loudspeakers |
| 04/13/1982 | US4324142 Circuit for processing the signals received by a mosaic of ultrasonic transducers in B-mode echography |
| 04/13/1982 | US4324140 Electronically simulated rotating prism for ultrasonic beam scanning |
| 04/07/1982 | EP0048900A1 Process for the production of focussing piezoelectric resonators |
| 04/06/1982 | US4323809 Surface acoustic wave substrate having orthogonal temperature compensated propagation directions and device applications |
| 04/06/1982 | US4323145 Vibration damping method and means having non-contacting sound damping means |
| 04/06/1982 | CA1121506A1 Transmission cable for use with an ultrasonic device |
| 04/06/1982 | CA1121502A1 Ultrasonic particulate sensing |
| 04/06/1982 | CA1121500A1 Ultrasonic scanner |
| 04/06/1982 | CA1121498A1 Acoustic imaging system |
| 04/06/1982 | CA1121394A1 Element for sonic and vibratory absorption |
| 03/30/1982 | US4322578 Method and devices for the omnidirectional radiation of sound waves |
| 03/30/1982 | CA1121042A1 Directional transducers for sonic logging |
| 03/24/1982 | EP0047786A1 Method and apparatus for vibration damping structural elements |
| 03/23/1982 | US4321696 Ultrasonic transducer using ultra high frequency |
| 03/23/1982 | US4320660 Fresnel focussed imaging system |
| 03/23/1982 | US4320659 Ultrasonic system for measuring fluid impedance or liquid level |
| 03/23/1982 | CA1120579A1 Ultrasonic transmission device |
| 03/16/1982 | US4319490 Multiple wedge element lens for an ultrasonic inspection transducer |
| 03/16/1982 | US4319489 Ultrasonic diagnostic method and apparatus |
| 03/16/1982 | CA1119897A1 Sound insulating material |
| 03/10/1982 | EP0047070A1 Sector scanner head for an ultrasonic imaging system |
| 03/10/1982 | EP0047023A1 Noise reducing cover for internal combustion engine |
| 03/09/1982 | US4319345 Acoustic well-logging transmitting and receiving transducers |
| 03/09/1982 | US4319088 Method and apparatus for masking sound |
| 03/09/1982 | US4318453 Double layer attenuation panel |
| 03/03/1982 | EP0046559A2 Resonant sound-absorbing element |
| 03/02/1982 | US4317370 Ultrasound imaging system |
| 03/02/1982 | US4317369 Ultrasound imaging apparatus and method |
| 03/02/1982 | CA1119283A1 Method and apparatus for dynamically investigating a borehole |
| 02/24/1982 | EP0046356A2 Ultrasound imaging system |
| 02/23/1982 | US4316522 Acoustic filter silencer |
| 02/23/1982 | CA1118842A1 Treatment head for electromedical diagnostic or therapeutic treatment of body parts |
| 02/23/1982 | CA1118692A2 Portable shell usable as an acoustical or visual enclosure with storable support means |
| 02/17/1982 | EP0046127A1 Insulation material based on chlorovinyl fabrics |
| 02/17/1982 | EP0045989A2 Acoustic impedance matching device |
| 02/16/1982 | US4316271 Purging and expansion mechanism |
| 02/16/1982 | US4316162 Magnetostatic wave device containing attenuation means and the way of making it |
| 02/16/1982 | US4315971 Sound deadening |
| 02/16/1982 | US4315435 Dual scan ultrasonic scanner |
| 02/09/1982 | US4315324 Directly modulated sonobuoy transmitter using surface acoustic wave sensor |
| 02/09/1982 | CA1118088A1 Ultrasound imaging system |
| 02/04/1982 | WO1982000266A1 Variable density board having improved thermal and acoustical properties and method and apparatus for producing same |
| 02/03/1982 | EP0045265A2 Probe for echography with sectional mechanical scanning |
| 02/03/1982 | EP0045145A2 Electroacoustic transducers |
| 02/03/1982 | EP0044956A1 Damping coating |
| 02/02/1982 | US4314098 Reversible electroacoustic transducer device having a constant directivity characteristic over a wide frequency band |
| 02/02/1982 | US4313524 Bulk acoustic absorber panels for use in high speed gas flow environments |
| 02/02/1982 | US4313444 Method and apparatus for ultrasonic Doppler detection |
| 02/02/1982 | CA1117267A1 Method of making a cellular core with internal septum |
| 01/26/1982 | US4313070 Single crystal metal wedges for surface acoustic wave propagation |
| 01/26/1982 | US4313032 Folded horn loudspeaker system |
| 01/26/1982 | US4312573 Ellipticized infrared lens providing balanced astigmatism |
| 01/19/1982 | US4312054 Acoustic beacons |
| 01/19/1982 | US4311991 Acoustic transmission member |
| 01/19/1982 | US4311147 Apparatus for contact-free disintegration of kidney stones or other calculi |
| 01/19/1982 | CA1116742A1 Fresnel focussed imaging system |
| 01/19/1982 | CA1116741A1 Dynamic focusing apparatus and method |
| 01/19/1982 | CA1116504A1 Profiled sound insulating carpet |
| 01/13/1982 | EP0043565A1 Vibration/noise reduction device for electrical apparatus |