| 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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| 06/01/1993 | US5216721 Multi-channel active acoustic attenuation system |
| 06/01/1993 | CA1318553C Sound and/or vibration proof coating, product provided with such a coating and method of application |
| 05/30/1993 | CA2056517A1 Acoustic waveguides with reduced trailing echoes |
| 05/27/1993 | WO1993010644A1 Watertight membrane for underwater acoustic device |
| 05/27/1993 | DE4141343A1 Lining system for vibration damping - has damping plastic mass attached to structure to be damped, over which counter-plate is fitted |
| 05/26/1993 | EP0543620A1 Low noise level tire |
| 05/26/1993 | EP0543595A1 Beam former for ultrasonic diagnostic apparatus |
| 05/26/1993 | EP0543445A1 Examination device for media by means of ultrasonic echography |
| 05/26/1993 | EP0543083A1 Vibration damper |
| 05/25/1993 | US5214411 Ultrasonic animal repelling apparatus |
| 05/25/1993 | US5214343 Ultrasonic transducers, housings, transducers, conduits and clamps |
| 05/25/1993 | US5214252 Logging method and device in well bores utilizing directional emission and/or reception means |
| 05/25/1993 | US5213879 Multilayer rubber films and adhesives |
| 05/25/1993 | US5213103 Apparatus for and method of cooling ultrasonic medical transducers by conductive heat transfer |
| 05/25/1993 | US5212988 Plate-mode ultrasonic structure including a gel |
| 05/19/1993 | EP0542457A2 Multi-channel active attenuation system with error signal inputs |
| 05/19/1993 | EP0541667A1 Endoscopic probe. |
| 05/19/1993 | EP0541661A1 Endoscopic probe. |
| 05/19/1993 | EP0541652A1 Endoscopic probe. |
| 05/19/1993 | DE4137706A1 Sound absorbing heat insulation - is for motor vehicles and has solid insulation filled into cavities |
| 05/19/1993 | DE4137241A1 Sound-absorbing and fire-protecting element - has metal sheath enclosing acoustic and fire-inhibiting materials, e.g. rock wool etc. |
| 05/18/1993 | US5212353 Transducer system for use with borehole televiewer logging tool |
| 05/18/1993 | US5211052 Aeroacoustic gas composition monitor |
| 05/18/1993 | CA1317709C Sound and thermal insulation |
| 05/13/1993 | WO1993008749A1 Method for reducing damage to and lesions of surfaces in the propagation field of high-energy pressure waves, using an agent for reducing bubble formation caused by the pressure waves, and pressure wave generating device for implementing said method |
| 05/13/1993 | DE4137545A1 Noise damper for disc, plate or shell type bodies - has slits cut in the disc or plate filled with material of different modulus of elasticity to absorb vibrations |
| 05/12/1993 | EP0541342A1 Ultrasonic flow imaging |
| 05/12/1993 | EP0541277A2 Integrated vibration reducing and structural health and usage monitoring system for a helicopter |
| 05/12/1993 | EP0442969A4 Wholly microfabricated biosensors and process for the manufacture and use thereof |
| 05/11/1993 | US5210720 Compliant tube baffle |
| 05/11/1993 | US5210684 Apparatus and method for controlling the operating frequency of compressor in air conditioning apparatus |
| 05/11/1993 | US5210383 Sound absorbent device for a room |
| 05/11/1993 | US5209221 Ultrasonic treatment of pathological tissue |
| 05/11/1993 | US5209112 Expendable oceanographic sensor apparatus |
| 05/05/1993 | EP0539940A1 Active noise cancellation system |
| 05/05/1993 | EP0539939A1 Active noise cancellation system |
| 05/05/1993 | EP0539700A1 Method and apparatus for the simultaneous performance of the beam formation and scan conversion in a phased array system |
| 05/05/1993 | CN2132247Y Whistle with loudspeaker |
| 05/04/1993 | US5208784 Method for influencing an acoustic source, in particular of a submerged submarine, and submarine |
| 05/04/1993 | US5207215 Acoustic pressure pulse generator |
| 05/04/1993 | US5207214 Synthesizing array for three-dimensional sound field specification |
| 04/29/1993 | WO1993008560A1 A sound control device |
| 04/29/1993 | DE4233449A1 Acoustic shrouding used to surround noise sources - composed of natural or synthetic or inorganic fibres to blend in with the shrouded unit |
| 04/29/1993 | DE4140880C1 Reducing infra-sound emission from vibrating machines, e.g. oscillating conveyor or sieve - grouping machines according to same rated frequency and driving at sync. frequency and with phase shifts to bring infra-sound level to min. |
| 04/28/1993 | EP0538811A1 Viscous damper |
| 04/28/1993 | EP0428705B1 Centrifugal separator |
| 04/27/1993 | US5206911 Correlated active attenuation system with error and correction signal input |
| 04/27/1993 | US5205175 Multiple transducer selector |
| 04/21/1993 | EP0538110A1 Ultrasonic apparatus for testing composite materials and corresponding method |
| 04/21/1993 | EP0537249A1 Silencer for disc and drum brakes |
| 04/20/1993 | US5203336 Ultrasonic imaging apparatus |
| 04/20/1993 | US5203335 Phased array ultrasonic beam forming using oversampled A/D converters |
| 04/15/1993 | WO1993007463A1 Plate-mode ultrasonic structure including a gel |
| 04/14/1993 | EP0536548A1 Compensation arrangement for transmitted sound |
| 04/13/1993 | CA1316249C Echographic technique-based method and apparatus to detect structure and anomalies of the subsoil and/or sea bottom and the like |
| 04/08/1993 | CA2079972A1 Acoustic mantle |
| 04/07/1993 | EP0536078A1 Sound-insulating and heat insulating panel |
| 04/06/1993 | US5200051 Wholly microfabricated biosensors and process for the manufacture and use thereof |
| 04/06/1993 | CA1315607C Underwater control system |
| 04/01/1993 | WO1993006588A1 Noise damper with fluid flowing through it |
| 04/01/1993 | DE4232225A1 Displacement amplifier for piezoelectric element, e.g. for vibration damper of actuator - has displacement transfer part, carrier, and chamber sealed by two elastic elements, with larger chamber volume change caused by displacement of second elastic sealing element |
| 04/01/1993 | DE4131394A1 Low weight laminar sound absorbing sheet - has skin(s) of porous fibre materials with glass cloth and honeycomb type core layer with infill and with walls at right angles to skin |
| 03/31/1993 | EP0533916A1 Active noise control |
| 03/31/1993 | EP0533680A1 Noise suppression system |
| 03/30/1993 | US5198626 Heat protective, sound permeable lining |
| 03/30/1993 | CA1315384C Process and device for seismic prospecting of a medium with induced waves created artificially in a bore-hole |
| 03/25/1993 | DE4231011A1 Vibration damper with matrix of elastically flexible material - in which solid particles are embedded in foamed material with closed pores. |
| 03/25/1993 | DE4131777A1 Fluiddurchstroemter schalldaempfer Fluiddurchstroemter EXHAUSTS |
| 03/25/1993 | DE4130559A1 Silencing system with expansion chamber formed in main pipe - incorporates combination of active and passive reflecting surfaces in pipes of different dia. |
| 03/24/1993 | EP0532571A1 Acoustic absorber |
| 03/23/1993 | US5197037 Method and apparatus for the simultaneous performance of the beam formation and scan conversion in a phased array system |
| 03/23/1993 | US5197036 Sonar array mounting for sonobuoy |
| 03/23/1993 | US5196253 Automobiles |
| 03/23/1993 | US5195519 Miniaturized mechanically-steerable ultrasonic probe |
| 03/23/1993 | US5195373 Ultrasonic transducer for extreme temperature environments |
| 03/18/1993 | WO1993005282A1 Muffler |
| 03/18/1993 | CA2116695A1 Muffler |
| 03/17/1993 | EP0531767A1 Device for absorption of waves |
| 03/17/1993 | EP0531761A1 Absorber |
| 03/17/1993 | EP0531698A2 Sound-damping screen and cassette for sound-damping screen |
| 03/16/1993 | US5193527 Ultrasonic shock-wave transducer |
| 03/11/1993 | DE4228345A1 Ultrasonic transducer for liq. dispersion medium - has epoxy] hardened adaptation layer to prevent interfacial reflections |
| 03/10/1993 | EP0531136A1 High performance pneumatic radial tires |
| 03/10/1993 | EP0530523A2 Active silencer with improved method of selecting coefficient sequence |
| 03/09/1993 | US5192624 Sound absorbing materials |
| 03/09/1993 | CA1314322C Ultra sound transducer holder |
| 03/04/1993 | WO1993003675A1 Received wave beam former of ultrasonic diagnosis device |
| 03/03/1993 | EP0528910A1 A coupling device |
| 03/02/1993 | US5191546 Time-interpolation method for digital beamformers |
| 03/02/1993 | US5189914 Plate-mode ultrasonic sensor |
| 02/27/1993 | CA2076842A1 Engine compartment casing element |
| 02/25/1993 | DE4127473A1 Noise cancellation using electronic signal processing and delay - exploits destructive interference between incoming noise and compensating sound emitted with appropriate delay by directional loudspeaker |
| 02/24/1993 | EP0527776A1 Portable acoustical panel structure |
| 02/24/1993 | EP0260313B1 Adaptor for coupling plural compression drivers to a common horn |
| 02/23/1993 | US5189706 Acoustic apparatus |
| 02/23/1993 | US5189425 Method and apparatus for monitoring vehicular traffic |
| 02/23/1993 | US5189236 Tunable resonator plug |
| 02/23/1993 | US5187981 For illuminating a target with a sector shaped beam of ultrasonic energy |
| 02/18/1993 | WO1993003479A1 Noise reduction system |
| 02/18/1993 | DE4126887A1 Acoustic wave cleaning-bath - uses loudspeaker system for mechanical oscillation of cleaning fluid using audible frequencies |