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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02/17/1993 | EP0527651A1 Acoustic standoff for ultrasound scanhead |
02/17/1993 | EP0490924A4 Method of manufacturing glass reinforced concrete building products |
02/17/1993 | CN1019919C Reflecting sound microscope with acoustic mirror |
02/16/1993 | US5187692 Acoustic transfer function simulating method and simulator using the same |
02/16/1993 | US5187332 Coupling and recovering seismic detection sensors |
02/16/1993 | US5186996 Sound damping multi-layer structure |
02/16/1993 | US5186428 Depth gauge transducer retractor device |
02/09/1993 | US5185504 Acoustic board |
02/07/1993 | WO1993002808A1 Probe for measuring acoustic fields of high intensity |
02/07/1993 | CA2093437A1 Probe for measuring acoustic fields of high intensity |
02/04/1993 | WO1993002445A1 High efficiency fan with adaptive noise cancellation |
02/04/1993 | DE4125621A1 Extender material for ultrasonic diagnostic investigations - comprises thermo-reversibly crosslinked styrene]-butadiene] block copolymer in liq. paraffin, has good mechanical stability and acoustic properties matched to tissue |
02/04/1993 | CA2113068A1 High efficiency fan with adaptive noise cancellation |
02/03/1993 | EP0526111A2 Automatic sound controlling apparatus |
02/03/1993 | EP0525648A2 Vibrator for producing a body-felt vibration |
02/03/1993 | EP0525456A1 System using plurality of adaptive digital filters |
02/03/1993 | EP0335878B1 Echography probe with improved connection circuit |
02/02/1993 | US5183049 Method for forming and ultrasonic image |
01/26/1993 | US5182732 Reversible fish finder apparatus |
01/26/1993 | CA1313288C Sound dampening composition and method of using the composition |
01/20/1993 | EP0523455A1 Ultrasonic receiving apparatus |
01/20/1993 | EP0523429A1 Elastic noise attenuating cover sheet for walls of sound producing structures |
01/20/1993 | EP0332637B1 Probe provided with a concave arrangement of piezoelectric elements for ultrasound apparatus |
01/20/1993 | CN1068026A Safety helmet with alarm for high voltage |
01/19/1993 | US5181252 High compliance headphone driving |
01/14/1993 | DE4221290A1 Aktives vibrationsregelsystem Active vibration system of rules |
01/14/1993 | DE4219648A1 Controlling vibrating system e.g. crusher, conveyor chute - generating equal and opposite vibrations to minimise emanations, esp. of air or sound vibrations |
01/13/1993 | EP0521868A1 Digital virtual earth active cancellation system |
01/12/1993 | US5179255 Baseball bat having the functions of resonators and microphones |
01/07/1993 | WO1993000675A1 Vibration damping constructions using aromatic epoxy high temperature damping materials |
01/07/1993 | EP0521740A1 Material for acoustic protection and device incorporating such material |
12/29/1992 | US5175709 Ultrasonic transducer with reduced acoustic cross coupling |
12/29/1992 | US5175708 Battery powdered acoustic transponder for use in underwater environment |
12/29/1992 | US5175401 Segmented resistance acoustic attenuating liner |
12/29/1992 | US5174280 Shockwave source |
12/29/1992 | US5174155 Ultrasonic pipe inspection system |
12/24/1992 | DE4220197A1 Noise- and vibration-damping component - is made of poreless natural rubber with additives |
12/24/1992 | DE4120259A1 Acoustic wave generator for medical disintegration of calculi in body organs - uses vented air-free pressurised liquid as energy transmission medium |
12/23/1992 | EP0519112A1 Reflector and method of generating a reflector shape |
12/23/1992 | EP0518993A1 Method and apparatus for the transmission of an acoustic signal in a photoacoustic cell. |
12/23/1992 | EP0518893A1 Ultrasonic testing machine with a rotor with a plurality of testing heads and a transmission device for connecting the testing heads to a stationary electronic device. |
12/22/1992 | US5173882 Sonar system for and method of arctic seafloor reconnaissance |
12/16/1992 | CN2125181U Whistle with sound box |
12/15/1992 | US5172416 Active attenuation system with specified output acoustic wave |
12/15/1992 | US5172344 Deep submergence transducer |
12/15/1992 | US5172343 Aberration correction using beam data from a phased array ultrasonic scanner |
12/15/1992 | US5171943 Tubewave damper probe for seismic applications |
12/10/1992 | WO1992021991A1 Method for forming a plurality of sonar channels and device for implementing such method |
12/10/1992 | WO1992021935A1 Acoustic web edge sensor |
12/10/1992 | DE4125375C1 Pressure pulse source for lithotripsy - has pulsed diaphragm in acoustic medium with layer of lower acoustic impedance |
12/09/1992 | EP0517557A1 Device to retain a loose underwater structure in case of an explosion |
12/09/1992 | EP0517525A2 Noise suppressor |
12/09/1992 | EP0517497A2 Earphone |
12/09/1992 | EP0516695A1 Noise reducing system. |
12/08/1992 | US5170433 Active vibration control |
12/08/1992 | US5170018 Method and apparatus for tube-wave suppression |
12/02/1992 | EP0515557A1 Method and device for generating an ultrasonic wave |
12/02/1992 | EP0515518A1 Repetitive sound or vibration phenomena cancellation arrangement with multiple sensors and actuators |
12/01/1992 | WO1992022054A1 Noise control apparatus |
12/01/1992 | WO1992022053A1 Noise attenuation panel |
12/01/1992 | US5168474 Acoustic marine aquatic life detector with resonance chamber |
12/01/1992 | US5168130 Noise reducing apparatus |
12/01/1992 | US5168129 Variable acoustics modular performance shell |
12/01/1992 | US5167234 Ultrasonic probe having rotary refracting member |
12/01/1992 | US5167165 Device for positioning a measuring element |
12/01/1992 | CA2095919A1 Noise attenuation panel |
11/26/1992 | WO1992020523A1 Sound-damping sandwich material and a method for its manufacture |
11/24/1992 | US5165627 Fuselage wall inner lining plate |
11/24/1992 | US5165414 Method of operating an ultrasound |
11/17/1992 | US5164919 Fluidic sonar sensor |
11/17/1992 | US5164627 Phased array acoustic signal processor |
11/17/1992 | US5164550 Intake muffler |
11/12/1992 | WO1992020063A1 Method and apparatus for the active reduction of compression waves |
11/12/1992 | DE4212176A1 Verfahren und vorrichtung zur reduzierung von schwingungen Method and device for reduction of vibrations |
11/12/1992 | DE4115096A1 Device for producing ultrasound vibrations in cleaning bath - comprises separated areas with ultrasound generators in transmission wall reducing corrosion |
11/11/1992 | EP0512445A2 Active noise attenuation system using the radio signal for the calibration cycle |
11/10/1992 | WO1992019398A1 Method for producing a sound-dampened automotive enclosure and article produced thereby |
11/10/1992 | US5163167 Sound wave guide |
11/10/1992 | CA2102708A1 Method for producing a sound-dampened automotive enclosure and article produced thereby |
11/05/1992 | DE4114180A1 Ultrasonic transducer for echo sounding distance measurement - has damping material ring applied to oscillation membrane on side facing propagation medium |
11/05/1992 | DE4113628A1 Sound absorbing material with porous structure - is anisotropic with different moduli of elasticity in different directions |
11/04/1992 | EP0327617B1 Improvements relating to noise reduction systems |
11/03/1992 | US5161126 Acoustic flute web edge sensor |
11/03/1992 | US5160816 Two dimensional sound diffusor |
11/03/1992 | US5160815 Megaphone apparatus |
11/03/1992 | US5160336 Device for acting by ultrasonic vibrations on an object |
11/03/1992 | US5159931 Apparatus for obtaining a three-dimensional reconstruction of anatomic structures through the acquisition of echographic images |
11/03/1992 | CA1309621C Apparatus for deploying and supporting a large aperture volumetricarray in a medium |
10/29/1992 | WO1992018976A1 Tilted electrode holder for an ellipsoidal reflector |
10/29/1992 | WO1992018975A1 Active noise recuction |
10/29/1992 | WO1992018974A1 Expandable sonar array |
10/28/1992 | EP0511149A1 Noise suppression device, especially for ventilation systems |
10/28/1992 | EP0510974A1 Vibration damping material |
10/28/1992 | EP0510864A2 Multi-channel active acoustic attenuation system |
10/26/1992 | CA2067480A1 Acoustic protection material and apparatus including such material |
10/21/1992 | EP0509742A2 Microphone apparatus |
10/21/1992 | EP0509603A1 Sound absorptive material |
10/21/1992 | EP0509166A1 Honeycomb noise attenuation structure |
10/20/1992 | WO1992019080A1 Improvements in and relating to transmission line loudspeakers |
10/20/1992 | US5157374 Alarm buzzer and accessory |