Patents
Sitemap › G10 - Musical instruments; Acoustics › G10K - Sound-producing devices; methods or devices for protecting against, or for damping, noise or other acoustic waves in general; Acoustics not otherwise provided 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
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)
11/1989
11/15/1989EP0341505A2 Ultrasonic device
11/14/1989US4881212 Ultrasonic transducer
11/14/1989US4881210 Torsionally rigid support apparatus for marine seismic transducer
11/14/1989US4880012 Ultrasonic probe
11/14/1989US4880011 Ultrasonic endoscope apparatus
11/14/1989US4880009 Ultrasonic imaging apparatus
11/09/1989DE3841946A1 Loudspeaker device
11/08/1989EP0341057A2 Sound absorption barriers
11/08/1989EP0340974A2 Active acoustic attenuation system with differential filtering
11/08/1989EP0340690A2 Acoustic characteristics changing device having variable characteristics
11/08/1989EP0340624A2 Electroacoustic transducer
11/07/1989US4878561 Sound emitter
11/07/1989US4878414 Musical instrument stand
11/02/1989EP0339911A2 Active noise control
11/02/1989EP0339746A2 Acoustic transducer backing in the shape of a Wood's horn
11/02/1989EP0339425A2 Speaker system
11/02/1989DE3913049A1 Ultrasound sensor system
11/02/1989DE3812837A1 Component for the extracorporeal introduction of shock waves
10/1989
10/31/1989US4878188 Selective active cancellation system for repetitive phenomena
10/30/1989EP0286674A4 Sound and thermal insulation.
10/26/1989DE3812182A1 Transducer, particularly ultrasonic transducer for a distance measuring device installed in a motor vehicle
10/24/1989US4876722 Active noise control
10/24/1989US4875487 Compressional wave hyperthermia treating method and apparatus
10/19/1989DE3809056A1 Noise-insulating wall element
10/18/1989EP0337849A1 Under-water buoy equipped with hydrodynamic stabilisation means, to be suspended, particularly from a helicopter
10/18/1989EP0337575A2 Ultrasonic probe and manufacture method for same
10/18/1989EP0337077A1 Damping device for air transmitted and rigid-body sound vibrations
10/17/1989US4874650 Thermosetting foaming sealer
10/12/1989DE3809447A1 Method for producing a matching layer for ultrasonic transducers
10/11/1989EP0336640A2 A dual element ultrasonic transducer probe for combined imaging of tissue structures and blood flow in real time
10/11/1989EP0336224A1 Sensor and method for acoustic emission examination
10/11/1989EP0336086A2 Micromechanic sound generator
10/11/1989EP0335878A1 Echography probe with improved connection circuit.
10/10/1989US4872526 Sonic well logging tool longitudinal wave attenuator
10/10/1989CA1262275A1 Extendible sonobuoy apparatus
10/05/1989WO1989009026A1 Acoustical amplifying stethoscope
10/04/1989EP0335642A2 Vibration damping materials and soundproofing structures using such damping materials
10/04/1989EP0335578A2 Ultrasound imaging system utilizing two or more simultaneously-active apertures
10/04/1989EP0335577A2 Ultrasonic transducer system
10/04/1989EP0334859A1 Process and device for eliminating the traumatic effects of the fragmentation of kidney stones
10/04/1989EP0334858A1 Diffraction free arrangement
10/04/1989CN2045537U Airflow counteracting muffler
10/04/1989CN1036046A Sound-and/or vibration-damping coating, element provided with said coating and process for applying latter
10/03/1989US4870972 Multiple-frequency acoustic transducer, especially for medical imaging
10/03/1989US4870971 Transmit focus generator for ultrasound imaging
09/1989
09/27/1989EP0334795A2 Vibration transducer mounting
09/27/1989EP0334178A2 Sound-insulating assembly, its use and method of making it
09/27/1989EP0333737A1 Probe with curved bar for echography
09/26/1989US4870423 Method and device for focusing, on one point to be examined, the antennae of an antenna array
09/26/1989US4869258 Intracavitary ultrasound scanner means
09/26/1989US4869257 Ultrasonic mechanical sector scanning transducer probe assembly
09/26/1989US4869095 Vibration detecting device
09/26/1989CA1261054A1 Acoustic borehole logging tool
09/26/1989CA1260603A1 Ultrasound transducer
09/21/1989WO1989008909A1 Sound reflector
09/21/1989DE3807680A1 Silencer not sensitive to soiling
09/21/1989DE3807679A1 Sound-insulating and attenuating layer
09/20/1989EP0333552A1 Sonde, device for image formation with such a sonde and method for using the device
09/20/1989EP0333461A2 Active acoustic attenuation system for higher order mode non-uniform sound field in a duct
09/20/1989EP0333244A1 Sound insulating and/or vibration-damping cover, element incorporating such a cover, and method of applying the latter
09/20/1989EP0332760A2 Acoustic window and material therefor
09/20/1989EP0332637A1 Probe provided with a concave arrangement of piezoelectric elements for ultrasound apparatus.
09/19/1989US4868476 Transducer with integral memory
09/19/1989US4868037 Washable
09/19/1989US4867271 Acoustic insulation board consisting of foam
09/19/1989US4867169 Attachment attached to ultrasound probe for clinical application
09/12/1989US4866682 Transducer device
09/12/1989US4865159 Acoustic horn and attachment device
09/12/1989US4865042 Ultrasonic irradiation system
09/12/1989US4864862 Boresonic inspection system
09/08/1989WO1989008336A1 Plate-mode ultrasonic sensor
09/08/1989WO1989007909A1 Ultrasound localization and therapy system
09/06/1989EP0331566A1 Cylindrical acoustic wave guide
09/06/1989EP0331428A2 Method and apparatus for generating seismic waves
09/06/1989EP0331348A1 Ultrasound transducer holder
09/06/1989EP0330816A2 Ultrasonic device generating signals for limiting or reducing the growth of pathological tissue
09/05/1989US4862748 Multiple ultrasonic transducer with remote selector
08/1989
08/29/1989US4862506 Monitoring, testing and operator controlling of active noise and vibration cancellation systems
08/29/1989US4860851 Dimensionally-recoverable damping article
08/24/1989WO1989007701A1 Active sound attenuation system for engine exhaust systems and the like
08/23/1989EP0328943A1 Shock wave generator for the non-contacting disintegration of concretions
08/23/1989EP0328931A2 Compliant tube baffle
08/22/1989US4858721 Acoustic panel for sound insulating linings of gas ducts
08/22/1989US4858720 Noise reducing apparatus
08/22/1989US4858718 Tube-wave attenuation method, system and apparatus for use with an inpulsive seismic energy source in liquid-containing wells
08/22/1989US4858613 Localization and therapy system for treatment of spatially oriented focal disease
08/22/1989US4858597 Piezoelectric transducer for the destruction of concretions within an animal body
08/22/1989US4858470 Vibration transducer mounting
08/17/1989DE3803518A1 Method for generating three-dimensional ultrasonic images
08/16/1989EP0327917A1 Shock wave generator for the non-contacting disintegration of concretions in a body
08/16/1989EP0327617A1 Improvements relating to noise reduction systems
08/15/1989US4856614 Process and device for seismic prospecting of a medium with induced waves created artificially in a bore-hole
08/10/1989WO1989006933A1 Ultrasonic echo phasing circuit
08/09/1989EP0327459A1 Support for an echography probe, especially an echocardiography probe
08/09/1989EP0326623A1 Procedure for detecting the position of an obstacle
08/09/1989EP0326620A1 Isolation of gas in hydraulic spark gap shock wave generator
08/08/1989US4856107 Acoustic filter for suppressing or attenuating the negative half-waves of an elastic wave and an elastic wave generator comprising such a filter
08/01/1989US4853900 Stabilized suspension for immersible apparatus
08/01/1989US4852973 Diffraction free arrangement
08/01/1989US4852682 Underwater voice communicator
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