| 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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| 07/20/1983 | EP0083718A1 Noise-reduction device for stationary induction apparatus |
| 07/12/1983 | US4392380 High temperature pressure coupled ultrasonic waveguide |
| 07/12/1983 | US4392379 Ultrasonic diagnostic equipment |
| 07/12/1983 | CA1149840A1 Railway wheel with resonance absorbers |
| 07/07/1983 | WO1983002364A1 Piezoelectric loudspeaker coupled with resonant structures |
| 07/07/1983 | WO1983002302A1 Method and device for reducing the noise of combustion engines |
| 07/05/1983 | US4391281 Ultrasonic transducer system and method |
| 07/05/1983 | US4391073 Movable panel assembly |
| 07/05/1983 | CA1149504A1 Method and apparatus for ultrasonic doppler detection |
| 06/29/1983 | EP0082763A1 Surveillance system for a plurality of containers using ultrasonic seals |
| 06/28/1983 | US4390976 Acoustic signal conditioning device |
| 06/28/1983 | US4390584 Process for making a perforated rigid sheet material for sound absorbing composite cellular structure |
| 06/28/1983 | US4390078 Loudspeaker horn |
| 06/28/1983 | US4390026 Ultrasonic therapy applicator that measures dosage |
| 06/28/1983 | US4389893 Precision ultrasound attenuation measurement |
| 06/23/1983 | WO1983002204A1 Acoustical wax on a surface wave device |
| 06/22/1983 | EP0081639A1 Device for the harmless coupling and decoupling of shock waves for therapeutic purposes |
| 06/22/1983 | EP0081594A1 Control system for a motor driven machine |
| 06/22/1983 | EP0081527A1 Improvements in or relating to ultrasound tomography |
| 06/22/1983 | EP0081516A1 Method and apparatus for reducing repetitive noise entering the ear. |
| 06/15/1983 | EP0081033A1 Ultrasonic scanner |
| 06/14/1983 | US4388709 Funnel construction for a dipping sonar |
| 06/14/1983 | US4387784 Stethoscope with improved resonant cavity amplification |
| 06/14/1983 | US4387720 Transducer acoustic lens |
| 06/14/1983 | US4387599 Multiple field acoustic focusser |
| 06/14/1983 | US4387597 Beamforming apparatus and method for ultrasonic imaging systems |
| 06/09/1983 | WO1983002031A1 Improved method of an apparatus for cancelling vibrations from a source of repetitive vibrations |
| 06/07/1983 | US4387353 Active waveguide coupler for surface acoustic waves |
| 06/07/1983 | US4387352 Transducer array crossover network |
| 06/07/1983 | US4386676 Sound-damping mat or drape |
| 06/07/1983 | US4386612 Ultrasonic transmitter |
| 06/07/1983 | US4386530 Ultrasonic imaging equipment |
| 06/07/1983 | CA1147665A1 Acoustic transducer housing |
| 06/01/1983 | EP0080188A1 A body, used especially for sound absorption, e.g. in rooms, in the form of a cylindrical tube made of mineral fibres |
| 06/01/1983 | EP0080100A1 Ultrasonic transducer |
| 05/31/1983 | US4385521 Ultrasonic apparatus for sector scanning |
| 05/31/1983 | CA1147374A1 Resonance absorbers |
| 05/25/1983 | EP0079351A1 Installation for transmitting and receiving focused ultrasonic waves |
| 05/24/1983 | US4384634 Sound absorbing structure |
| 05/24/1983 | US4384633 Perforated acoustic transport member |
| 05/18/1983 | EP0079253A1 Vehicle roof liner |
| 05/18/1983 | EP0018997B1 Improved acoustical panel |
| 05/17/1983 | US4384231 Piezoelectric acoustic transducer with spherical lens |
| 05/17/1983 | US4384020 Honeycomb noise attenuating structures |
| 05/17/1983 | CA1146662A1 Circuit for processing the signals received by a mosaic of ultrasonic transducers in b-mode echography |
| 05/11/1983 | EP0078649A1 Isolation pads |
| 05/11/1983 | EP0016812B1 Sonar transmitter for generating amplitude-modulated pulses |
| 05/10/1983 | US4383194 Electro-acoustic transducer element |
| 05/10/1983 | CA1146084A1 Loudspeaker horn |
| 05/04/1983 | EP0077987A1 Vibration damper of constrained laminate type |
| 05/03/1983 | US4382201 Tungsten-polyvinyl chloride composite |
| 05/03/1983 | US4381831 High frequency horn |
| 05/03/1983 | US4381787 Ultrasound imaging system combining static B-scan and real-time sector scanning capability |
| 05/03/1983 | CA1145839A1 Ultrasonic diagnosis apparatus |
| 04/28/1983 | WO1983001525A1 Improved method and apparatus for cancelling vibrations |
| 04/27/1983 | EP0077385A1 Apparatus and method for producing surface molded panel. |
| 04/26/1983 | US4381501 Encoding apparatus utilizing acoustic waves of controlled initial polarity |
| 04/26/1983 | US4381470 Stratified particle absorber |
| 04/26/1983 | US4381357 Covering, a process of producing it and the use thereof |
| 04/26/1983 | CA1145451A1 Coupling for a focused ultrasonic transducer |
| 04/26/1983 | CA1145449A1 Conical transducer ultrasonic scanner |
| 04/19/1983 | US4380563 Adhesive device of felt substrate, release sheet and adhesive and method |
| 04/18/1983 | EP0047786A4 Method and apparatus for vibration damping structural elements. |
| 04/12/1983 | CA1144636A1 Circuit arrangement for generating amplitude-modulated ultrasonic transmission pulses |
| 04/06/1983 | EP0076117A1 Sonar arrangements |
| 04/06/1983 | EP0075812A1 Electronic gong |
| 04/05/1983 | US4379191 Honeycomb noise attenuation structure |
| 04/05/1983 | CA1144273A1 Coaxial loudspeaker system |
| 03/30/1983 | EP0075302A1 Sensor for measuring distances using ultrasonic echos |
| 03/30/1983 | EP0075273A1 Ultrasonic transducer |
| 03/30/1983 | EP0074969A1 Device for communicating between users of a vehicle |
| 03/17/1983 | WO1983000977A1 Loudspeaker horn |
| 03/15/1983 | US4376469 Stepped acoustic transport member |
| 03/01/1983 | US4375166 Ultrasound examination apparatus comprising a mosaic of transducers of an electrostrictive material |
| 02/23/1983 | EP0072564A2 Device for the determination of vibrations in reactor vessel installations |
| 02/23/1983 | EP0072498A1 Ultrasonic imaging apparatus |
| 02/22/1983 | CA1141855A1 Ultrasonic imaging system using digital control |
| 02/17/1983 | WO1983000580A1 Method and apparatus for low frequency active attenuation |
| 02/16/1983 | EP0072287A1 Beam forming system for omnidirectional sonars |
| 02/16/1983 | EP0071947A2 Method and apparatus for reducing vibrations of stationary induction apparatus |
| 02/16/1983 | EP0071925A1 Ultrasonic scanning apparatus and positioning system |
| 02/16/1983 | EP0071922A1 Ultrasonic sector scanner utilizing rotating transducer |
| 02/16/1983 | EP0071921A1 Ultrasonic sector scanner utilizing rotating transducer |
| 02/15/1983 | US4374172 Sound insulating material |
| 02/15/1983 | US4373608 Tuned sound barriers |
| 02/15/1983 | US4373396 Mechanical filter with acoustic sensing |
| 02/08/1983 | US4373143 Parametric dual mode transducer |
| 02/08/1983 | CA1140863A1 Hygiene absorbent |
| 01/25/1983 | US4370654 Apparatus for producing a frequency change of a wage propagating signal |
| 01/25/1983 | US4369857 Loudspeaker and horn combination |
| 01/19/1983 | EP0070139A1 Arc scan ultrasonic imaging system having diverging lens and path-length compensator |
| 01/18/1983 | US4368643 Ultrasonic imaging by radial scan beams emanating from a hypothetical point located behind linear transducer array |
| 01/18/1983 | CA1139871A1 Transducer drive and control in ultrasound imaging systems |
| 01/12/1983 | EP0069677A1 Device for ultrasonic echography to scan sectorially |
| 01/11/1983 | CA1139376A1 Charge coupled device |
| 01/11/1983 | CA1139236A1 Sound-absorbing panel |
| 01/06/1983 | WO1983000009A1 Improvements in or relating to ultrasound tomography |
| 01/05/1983 | EP0068389A1 Ultrasonic flaw detecting apparatus of electronically scanning type |
| 01/05/1983 | EP0068052A1 Ultrasonic imaging apparatus and method |
| 12/28/1982 | US4366406 Ultrasonic transducer for single frequency applications |