| 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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| 09/29/1987 | US4696299 Non-invasive destruction of kidney stones |
| 09/24/1987 | WO1987005733A1 Adaptor for coupling plural compression drivers to a common horn |
| 09/22/1987 | US4696043 Microphone apparatus having a variable directivity pattern |
| 09/22/1987 | US4695985 Apparatus for preventing a roundabout of supersonic wave in a supersonic wave transmitter and receiver for a vehicle |
| 09/22/1987 | US4694700 Ultrasonic sensor for electronic sectorial scanning and echograph incorporating such a sensor |
| 09/16/1987 | EP0237454A1 Processes and devices for attenuating noise from an external origin arriving at the ear drum, and for improving the intelligibility of electro-acoustic communications |
| 09/16/1987 | EP0237286A2 An ultrasonic system |
| 09/16/1987 | EP0236810A2 Absorbing sound-damping structure |
| 09/15/1987 | US4694435 For receiving acoustic waves in water ar different depth levels |
| 09/15/1987 | US4694266 Notch filter |
| 09/15/1987 | US4693120 Real time ultrasonic scanning method and apparatus |
| 09/15/1987 | CA1226932A1 Signal transmission, without electrical links, through a conducting wall |
| 09/15/1987 | CA1226931A1 Acoustic lens for marine seismic data multiple reflection noise reduction |
| 09/11/1987 | WO1987005430A1 Methods and devices to improve the intelligibility of electroacoustic communications |
| 09/11/1987 | WO1987005391A1 Ultrasonic converter |
| 09/09/1987 | EP0236226A1 Hanging structure for coupling a seismic source to a bore hole wall |
| 09/09/1987 | EP0235969A2 An ultrasonic transducer probe having a mechanically steerable ultrasonic beam |
| 09/09/1987 | EP0235216A1 Method for ultrasound examination and ultrasonic conductor for carrying out the method |
| 09/09/1987 | EP0144340B1 Acoustical structure and method of manufacturing it |
| 09/08/1987 | US4691724 Ultrasonic device |
| 09/08/1987 | US4691570 Method and apparatus for ultrasonically scanning a subject with an ultrasound head |
| 09/08/1987 | US4691418 Ultrasonic transducer method |
| 09/08/1987 | CA1226529A1 Receiver suspension and acoustic porting system |
| 09/08/1987 | CA1226526A1 Method and apparatus for controlling noise |
| 09/01/1987 | USH329 Aerodynamic housing |
| 08/27/1987 | DE3617039A1 Device for preventing the transmission of spurious waves in an ultrasonic transmitter and receiver device on vehicles |
| 08/26/1987 | EP0233724A2 Ultrasonic probe for medical diagnostic examination |
| 08/26/1987 | EP0233717A2 Active attenuation system with on-line modeling of speaker, error path and feedback path |
| 08/26/1987 | EP0091926B1 Improved method and apparatus for cancelling vibrations |
| 08/25/1987 | US4689821 Active noise control system |
| 08/25/1987 | US4689773 For immersion in an external acoustic transmission medium |
| 08/25/1987 | US4688578 For examining a subject |
| 08/18/1987 | US4688199 Transducers and control means |
| 08/18/1987 | CA1225733A1 Scanning acoustic microscope |
| 08/12/1987 | EP0232084A2 Mounting of sonic devices |
| 08/12/1987 | EP0232071A2 Sonar apparatus |
| 08/12/1987 | EP0231892A2 Electric signal transfer element |
| 08/12/1987 | EP0231228A1 Ultrasonic conductor cushion, and process for measuring pressure-sensitive surfaces |
| 08/11/1987 | US4686693 Remotely controlled sound mask |
| 08/11/1987 | US4686409 Porous adaptation layer in an ultrasonic applicator |
| 08/11/1987 | US4686408 Curvilinear array of ultrasonic transducers |
| 08/11/1987 | US4685532 Constant directivity loudspeaker horn |
| 08/04/1987 | US4683979 Co-oscillating, volume-changing resonator in the form of a silencer |
| 08/04/1987 | US4683751 Sample stand adjusting device in an ultrasonic microscope |
| 07/29/1987 | EP0229981A1 Method for controlling the focussing characteristics of an ultrasonic field and device for carrying out said method |
| 07/29/1987 | EP0229977A2 Sound-reducing cladding for the engine compartment of a motor vehicle |
| 07/23/1987 | DE3600639A1 Ultrasonic transducer |
| 07/21/1987 | US4681816 Composite laminates comprising a metallic substrate and vibration damper |
| 07/21/1987 | US4681120 Ultrasonic diagnosing apparatus |
| 07/16/1987 | WO1987004111A1 Method of making a projector for a vehicle horn |
| 07/15/1987 | EP0228832A1 Support member for pressure sensor |
| 07/15/1987 | EP0228720A2 Ultrasonic inspection system with linear transducer array |
| 07/14/1987 | US4680499 Piezoelectric ultrasonic transducer with acoustic matching plate |
| 07/09/1987 | DE3600327A1 Holder for mounting a sound transmitting/receiving transducer |
| 07/08/1987 | EP0228134A2 Axial borehole televiewer |
| 07/07/1987 | US4679176 Ultrasonic receiving apparatus |
| 07/07/1987 | US4678707 Vibration damping composite laminate |
| 07/07/1987 | US4677981 Device for the examination of objects by ultrasonic echography with angular focusing |
| 07/07/1987 | US4677853 Ultrasonic probe |
| 07/02/1987 | WO1987003994A1 Sound emitter |
| 07/01/1987 | EP0227372A2 Hybrid active silencer |
| 07/01/1987 | EP0226821A1 Ultrasonic apparatus with dynamic change of the focal-reception position |
| 07/01/1987 | EP0226613A1 Noise supression system. |
| 06/30/1987 | US4677677 Active sound attenuation system with on-line adaptive feedback cancellation |
| 06/30/1987 | US4677676 Active attenuation system with on-line modeling of speaker, error path and feedback pack |
| 06/30/1987 | US4677337 Broadband piezoelectric ultrasonic transducer for radiating in air |
| 06/30/1987 | US4676250 Method and apparatus for estimating the attenuation-vs-frequency slope of a propagation medium from the complex envelope of a signal |
| 06/25/1987 | DE3545379A1 Method for controlling the properties of the focus of an ultrasonic field and device for carrying out the method |
| 06/25/1987 | DE3545353A1 Method and device for measuring the acoustic power of a focused ultrasonic field |
| 06/25/1987 | DE3545351A1 Method for controlling the position of the focus of an ultrasonic field and device for carrying out the method |
| 06/24/1987 | EP0225900A1 Echograph probe and echograph provided with such a probe. |
| 06/23/1987 | US4674595 Underwater acoustic pressure release baffle for depths to 2000 feet |
| 06/23/1987 | US4674517 Noninvasive ultrasonic probes |
| 06/23/1987 | US4674515 Ultrasonic endoscope |
| 06/23/1987 | US4674514 Ultrasonic compound scan with an oscillating transducer |
| 06/23/1987 | US4674505 Apparatus for the contact-free disintegration of calculi |
| 06/23/1987 | CA1223331A1 Method and apparatus for a phased array transducer |
| 06/19/1987 | DE3544022A1 Sound damper for smoke-exhaust and venting ducts |
| 06/19/1987 | DE3534690A1 Self-supporting sound-insulating panel |
| 06/18/1987 | WO1987003699A1 Support member for pressure sensor |
| 06/16/1987 | US4674124 Multichannel masking sound generator |
| 06/16/1987 | US4674075 Cardan suspension for microphones for sound ranging in water |
| 06/16/1987 | US4674057 Ultrasonic ranging control system for industrial robots |
| 06/16/1987 | EP0225341A1 Method and apparatus for attenuating sound and acoustic noise |
| 06/09/1987 | US4672592 Shaded transducer |
| 06/09/1987 | US4672591 Ultrasonic transducer |
| 06/09/1987 | US4672589 Underwater detection system |
| 06/09/1987 | US4671115 Electronic scanning apparatus for ultrasonic imaging |
| 06/09/1987 | US4671114 Acoustical detection of hidden insects |
| 06/04/1987 | DE3542562A1 Ultrasonic device with dynamic variation of the receiving focal position |
| 06/03/1987 | EP0224014A1 Variable focusing in ultrasound imaging using non-uniform sampling |
| 06/02/1987 | US4670681 Singly rotated orientation of quartz crystals for novel surface acoustic wave devices |
| 06/02/1987 | US4670680 Doubly rotated orientations of cut angles for quartz crystal for novel surface acoustic wave devices |
| 06/02/1987 | US4669573 Underwater acoustic baffle enhancer |
| 06/02/1987 | US4669472 Contactless comminution of concrements in the body of a living being |
| 06/02/1987 | US4669314 Variable focusing in ultrasound imaging using non-uniform sampling |
| 06/02/1987 | CA1222464A1 Ear acoustical hearing aid |
| 05/27/1987 | EP0223080A1 Method and means for steering phased array scanner in ultrasound imaging system |
| 05/26/1987 | US4669122 Damping for directional sound cancellation |
| 05/26/1987 | US4669068 Power transmission apparatus for enclosed fluid systems |