| 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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| 08/31/1993 | US5240005 Acoustic focussing device |
| 08/31/1993 | US5240002 Ultrasound transducer shielding |
| 08/31/1993 | CA1321828C Acoustic window and material therefor |
| 08/31/1993 | CA1321827C Hydrophones and similar devices |
| 08/31/1993 | CA1321757C Acoustical amplifying stethoscope |
| 08/26/1993 | DE4305217A1 Noise reduction system for interior of motor vehicle - has acoustic generators and processor control to dampen noise by phase controlled noise generation linked to actual noise |
| 08/25/1993 | EP0557071A2 Active noise control apparatus for three-dimensional space |
| 08/25/1993 | EP0556289A1 Surface feature mapping using high resolution c-scan ultrasonography |
| 08/25/1993 | EP0391933B1 Method and device for generating sound in a space for people |
| 08/24/1993 | CA1321637C Microphone probe for acoustic measurement in turbulent flow |
| 08/19/1993 | WO1993016381A1 Method and apparatus for ultrasonic inspection of inaccessible areas |
| 08/18/1993 | EP0555871A2 Combined speed and depth sensor transducer |
| 08/18/1993 | EP0555787A2 Combined active deresonator and ambience generator |
| 08/18/1993 | EP0555786A2 Active noise cancellation system |
| 08/18/1993 | EP0555585A2 Correlated active attenuation system with error and correction signal input |
| 08/18/1993 | EP0555266A1 Active vibration control system |
| 08/18/1993 | EP0555248A1 Active vibration control system with multiple inputs |
| 08/17/1993 | US5237618 Electronic compensation system for elimination or reduction of inter-channel interference in noise cancellation systems |
| 08/17/1993 | US5237018 Soft polyurethane component; hard vinyl ester polymer compoent; injected into mechanical devices and allowed to cure there |
| 08/17/1993 | US5236186 Vibration damper |
| 08/17/1993 | US5235986 Variable origin-variable angle acoustic scanning method and apparatus for a curved linear array |
| 08/17/1993 | US5235982 Dynamic transmit focusing of a steered ultrasonic beam |
| 08/17/1993 | US5235858 Apparatus for aiming transducer in ultrasonic gauge |
| 08/17/1993 | US5235856 Dynamic ultrasonic gauge apparatus with a ferrule mounting to position a transducer |
| 08/14/1993 | CA2089402A1 Combined speed and depth sensor transducer |
| 08/11/1993 | CN2140088Y Multifunction talking and singing training apparatus |
| 08/10/1993 | US5235557 Combined speed and depth sensor transducer |
| 08/10/1993 | US5235553 Solid ultrasonic lens |
| 08/10/1993 | US5233980 Apparatus and method for generating shockwaves for the destruction of targets, particularly in extracorporeal lithotripsy |
| 08/10/1993 | CA2046659C Loudspeaker and horn therefor |
| 08/05/1993 | WO1993015501A1 Active noise cancellation |
| 08/05/1993 | WO1993015419A1 Ultrasound imaging and catheters for use therein |
| 08/05/1993 | WO1993015415A1 Ultrasonic imaging system and method with focusing correction |
| 08/05/1993 | WO1993014698A1 Medical ultrasonic imaging system with dynamic focusing |
| 08/05/1993 | CA2128887A1 Ultrasonic imaging system and method with focusing correction |
| 08/04/1993 | EP0554148A1 Device for securing an ultrasonic measurement probe |
| 08/04/1993 | EP0553906A2 Method and apparatus for sound enhancement with envelopes of multiband passed signals feeding comb filters |
| 08/04/1993 | EP0553804A2 Apparatus for and method of cooling ultrasonic medical transducers by conductive heat transfer |
| 08/04/1993 | EP0553325A1 Probe for measuring acoustic fields of high intensity |
| 08/03/1993 | US5233661 Sound field variable apparatus |
| 08/03/1993 | US5233540 Method and apparatus for actively reducing repetitive vibrations |
| 08/03/1993 | US5233137 Active noise cancellation muffler for a motor vehicle |
| 08/03/1993 | US5232498 Apparatus for applying gel to an ultrasonic probe |
| 08/01/1993 | CA2088466A1 Device for fixing an ultrasound metering sensor |
| 07/28/1993 | EP0552696A2 Sound or ultrasound generating apparatus |
| 07/28/1993 | EP0552400A1 Sound absorbing corrugated structural material |
| 07/27/1993 | US5231610 Piling and pier inspection apparatus and method |
| 07/27/1993 | US5230340 Ultrasound imaging system with improved dynamic focusing |
| 07/22/1993 | WO1993011996A3 Cleaning and etching methods utilising acoustic fields |
| 07/22/1993 | DE4200811A1 Acoustic reduction circuitry counteracting sound interference for ear muffs - compares microphone output signal with max. permissible sound pressure reference signal and generates counter phase signal |
| 07/21/1993 | EP0551825A2 Insulating element |
| 07/21/1993 | CN2138824Y 消音器 Silencer |
| 07/20/1993 | US5229933 2-d phased array ultrasound imaging system with distributed phasing |
| 07/20/1993 | US5229556 Internal ported band pass enclosure for sound cancellation |
| 07/20/1993 | US5229555 Speaker system and tv with the same |
| 07/20/1993 | US5229553 Acoustic isolator for a borehole logging tool |
| 07/20/1993 | US5229216 Vibration-damping sheet |
| 07/20/1993 | US5228447 Shockwave generator having an ultrasound applicator shielded from shockwaves |
| 07/18/1993 | CA2087404A1 Insulation part |
| 07/13/1993 | US5228007 Ultrasonic beam forming system |
| 07/13/1993 | US5227219 Comprising a polycarboxylic acid-hardened, amine-catalyzed epoxy resin; printed structures having a shallow gradient of slope |
| 07/08/1993 | WO1993013606A1 Self-aligning electroacoustic transducer for marine craft |
| 07/08/1993 | WO1993013255A1 Fiber enhancement of viscoelastic damping polymers |
| 07/06/1993 | US5226087 Microphone apparatus |
| 07/06/1993 | US5226016 Adaptively formed signal-free reference system |
| 06/30/1993 | EP0549402A1 System for damping high frequency combustion instabilities in a combustion chamber |
| 06/30/1993 | EP0515518A4 Repetitive phenomena cancellation arrangement with multiple sensors and actuators |
| 06/30/1993 | CN1021490C Anti-burning and damping paint for forming restrained damping structure |
| 06/29/1993 | US5224174 Surface feature mapping using high resolution c-scan ultrasonography |
| 06/29/1993 | US5224168 Method and apparatus for the active reduction of compression waves |
| 06/29/1993 | US5222483 Acoustic pressure pulse generator |
| 06/29/1993 | CA1319747C Acoustic sub-surface interrogator |
| 06/24/1993 | WO1993011996A2 Cleaning and etching methods utilising acoustic fields |
| 06/22/1993 | US5222148 Active noise control system for attenuating engine generated noise |
| 06/22/1993 | US5221324 Melting composite of metal matrix and finely divided solid stabilizer particles, mixing to form vortex, drawing in gas, expanding, cooling |
| 06/22/1993 | US5221185 Method and apparatus for synchronizing rotating machinery to reduce noise |
| 06/22/1993 | CA1319398C Device used to submit an object to a shock wave |
| 06/22/1993 | CA1319394C Active attenuation system for medical patients |
| 06/22/1993 | CA1319304C Vocal muffler |
| 06/17/1993 | CA2057733A1 Sound-damping material for underwater use |
| 06/15/1993 | US5220535 Sonar baffles |
| 06/15/1993 | US5220296 Coupler for electrical waveguides and mechanical waveguides |
| 06/15/1993 | US5219051 Folded viscous damper |
| 06/10/1993 | WO1993011529A1 Active noise control of an enclosure with multiple transducers |
| 06/10/1993 | WO1993011528A1 Acoustic non-destructive testing |
| 06/10/1993 | WO1993011527A1 Ultrasonic damping material |
| 06/10/1993 | WO1993011001A1 Shaped filler body for sealing cavities which are difficult of access |
| 06/09/1993 | EP0545714A1 Aberration correction using beam data from a phased array ultrasonic scanner |
| 06/09/1993 | EP0285632B1 Active vibration control |
| 06/09/1993 | DE4140329A1 Control circuitry for fuel pump drive in vehicle system - regulates pump speed according to monitored noise level to avoid resonance conditions |
| 06/09/1993 | DE4140040A1 Ultraschall-daempfungsmaterial Ultrasonic daempfungsmaterial |
| 06/09/1993 | DE4139858A1 Fuellkoerper als formteil zur abdichtung schwer zugaenglicher hohlraeume Packing as molding for sealing of inaccessible cavities |
| 06/08/1993 | US5218576 Underwater transducer |
| 06/08/1993 | US5218560 Circuit for controlling tap gains at rapid speed in an adaptive filter |
| 06/08/1993 | US5217018 Acoustic transmission through cladded core waveguide |
| 06/08/1993 | US5217017 Ultrasonic receiving apparatus |
| 06/08/1993 | US5216809 Acoustic muffler with one-piece housing |
| 06/08/1993 | EP0598715A4 Ultrasonic transducer. |
| 06/08/1993 | CA1318956C Method of transfer function generation and active noise cancellation in a vibrating system |
| 06/01/1993 | US5216722 Multi-channel active attenuation system with error signal inputs |