Patents
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)
11/1993
11/30/1993US5267320 Noise controller which noise-controls movable point
11/30/1993US5267221 Backing for acoustic transducer array
11/30/1993US5266754 Noise attenuator for use in blowoff vents
11/30/1993US5266143 Soundproofing panels for automobile applications and manufacturing processes therefor
11/30/1993US5265614 Acoustic coupler
11/25/1993WO1993023267A1 Sound-deadening mat for vehicles
11/24/1993CN1078708A Mineral fibre dissolvable in physiological mediums
11/23/1993US5265069 Blanket array adhesion system
11/23/1993US5264668 Smoke detector muffling device
11/23/1993US5263483 Beam former for ultrasonic diagnostic apparatus
11/23/1993CA1324656C Pivoted-arm type mechanism and sonar array equipped with such mechanism
11/23/1993CA1324580C Sound reduction membrane
11/18/1993EP0570177A2 Acoustic resonator
11/18/1993EP0569994A2 Vibration detection and reduction system and vibration sensors for use in micro-gravity environment
11/16/1993US5263004 Acoustic image acquisition using an acoustic receiving array with variable time delay
11/16/1993US5261698 Shoulder belt position adjusting device for a seat belt assembly
11/16/1993US5261505 Collision detector for a vehicle
11/16/1993US5261408 Variable origin-variable acoustic scanning method and apparatus
11/11/1993WO1993022763A1 Noise control device
11/11/1993WO1993022251A1 Mineral fibres capable of dissolving in a physiological medium
11/11/1993WO1993021876A1 Hands free noise canceling headset
11/11/1993DE4215178A1 Mineral wool-based component mfr. - involves dipping mould into mineral wool slurry, drawing fibres by vacuum onto tool surface and ejecting component with sudden pressure increase
11/11/1993DE4214757A1 Dämpfungsmatte Damping mat
11/10/1993EP0568576A1 Noise attenuation panel
11/10/1993EP0568573A1 Structural cellular component
11/10/1993EP0568570A1 Noise attenuation panel
11/09/1993US5261006 Loudspeaker system comprising a helmholtz resonator coupled to an acoustic tube
11/09/1993US5259368 Apparatus for comminuting concretions in the body of a patient
11/03/1993EP0568282A2 Noise control system
11/03/1993EP0568129A2 Noise attenuation system
11/03/1993EP0568128A2 Noise attenuation system
11/03/1993EP0568127A2 Noise attenuation system
11/03/1993CN2145376Y Stethoscope for breakdown of machine
10/1993
10/29/1993CA2094984A1 Noise control system
10/28/1993WO1993021742A1 Tandem transducer and magnet structure
10/28/1993WO1993021688A1 Active cancellation of noise or vibrations
10/28/1993WO1993021687A1 An improved adaptive resonator vibration control system
10/28/1993WO1993021626A1 Acoustic pressure pulse generator, in particular for healing bone diseases
10/28/1993WO1993021625A1 Extended frequency range helmholtz resonators
10/28/1993WO1993021428A1 Adaptive multifrequency reactive muffler
10/28/1993WO1993021402A1 Building element and method of manufacturing such element
10/28/1993WO1993021064A1 Helicopter active noise control system
10/28/1993CA2117803A1 Active cancellation of noise or vibrations
10/27/1993EP0567426A2 Ultrasonic welding method
10/27/1993EP0567366A1 Sandwich panel of sheet metal
10/27/1993CN2144849Y Dissipative muffler
10/26/1993US5257316 Acoustic conductance and silencer utilizing same
10/26/1993US5256223 Uniform distribution; applying tape; cutting to produce desired damping response
10/26/1993US5255681 Ultrasonic wave diagnosing apparatus having an ultrasonic wave transmitting and receiving part transmitting and receiving ultrasonic waves
10/23/1993CA2093699A1 Sandwich type metal sheet
10/20/1993EP0566324A1 Ultrasound imaging system with improved dynamic focusing
10/20/1993CN2144330Y Multifunctional interference-prevention studying aid
10/20/1993CN1077558A Sound absorption structure
10/19/1993US5255321 Acoustic transducer for automotive noise cancellation
10/19/1993US5253486 Silencer attenuating a noise from a noise source to be ventilated and a method for active control of its noise attenuation system
10/14/1993WO1993020551A1 An active noise cancellation apparatus for a motor vehicle
10/14/1993WO1993020412A1 Ultrasonic distance measuring device
10/14/1993WO1993019673A1 Method and apparatus for ultrasonic beam focusing
10/12/1993US5251928 Upper mounting structure for a strut-type wheel suspension
10/12/1993US5251863 Active force cancellation system
10/12/1993US5251490 Speed and direction
10/06/1993EP0563355A1 A sound control device
10/06/1993CN1077006A Engine cover
10/05/1993US5251263 Adaptive noise cancellation and speech enhancement system and apparatus therefor
10/05/1993US5251262 Adaptive active noise cancellation apparatus
10/05/1993US5251186 Preprocessor and adaptive beamformer for linear-frequency modulation active signals
10/05/1993US5250764 Consecutive plate acoustic suppressor apparatus and methods
10/05/1993CA1322782C Monitoring, testing and operator controlling of active noise and vibration cancellation systems
09/1993
09/30/1993WO1993019458A1 Electronic cancellation of d.c. motor noise
09/30/1993DE4306638A1 Spatial noise reducing device for vehicle passenger compartment - generates and updates compensating noise to interfere with transmitted periodic spatial noise
09/30/1993DE4305660A1 Controlling size distribution of gas or liquid bubbles - by coupling ultrasound field to the liquid medium which contains the bubbles and using sound frequency and energy chosen to break the bubbles up into smaller bubbles
09/29/1993EP0394299B1 Transducer device for acoustic log
09/28/1993US5249117 Adaptive control systems
09/23/1993DE4308923A1 Active noise reduction system for vehicle passenger compartment - uses control noise sources for adaptive noise cancellation under control of detected residual noise level
09/23/1993DE4308166A1 Ultrasonic diagnostic system which transmits ultrasonic waves from probe in object - has number of ultrasonic transducers arranged such that ultrasonic waves reflected in object are received by ultrasonic receiver transducers
09/23/1993DE4208889A1 Sound absorbing composite structure for marine craft, e.g. submarines - has damping layer clamped by bolts between a cover layer with projections and a carrier layer
09/16/1993DE4207910A1 Resonance reducing coating, esp. plastic coating for sensors of sound in solids - contains inner roughened surface areas similar to those of file or rasp surrounding resonators
09/15/1993EP0560364A1 Vibration/noise control system for vehicles
09/15/1993EP0559963A2 Backing for acoustic transducer array
09/15/1993EP0559962A2 Silencing apparatus
09/15/1993EP0226613B1 Noise supression system
09/14/1993US5245664 Active noise control system for automotive vehicle
09/14/1993US5245663 Method of simulating the sound of an input audio signal
09/14/1993US5245552 Method and apparatus for actively reducing multiple-source repetitive vibrations
09/14/1993US5245385 Image forming apparatus which reduces noise generated therefrom
09/14/1993US5245141 Sound-insulating and sound-damping composite structure
09/08/1993EP0559419A1 Phased array ultrasonic beam forming using oversampled A/D converters
09/08/1993EP0558472A1 Improvements in attenuators
09/07/1993US5243661 Microphone apparatus
09/07/1993US5243567 Sonar beam shaping with an acoustic baffle
09/07/1993US5243566 In underwater acoustic array apparatus
09/07/1993US5243512 Method and apparatus for minimizing vibration
09/07/1993US5241971 Ear-protection cup for ear muffs or head-phones
09/07/1993CA1321951C Collapsible ear tip
09/01/1993EP0557597A1 Thermal and acoustic insulating laminate
09/01/1993CN1075812A Dynamic noise contro/equipment for three-dimensional space
08/1993
08/31/1993US5241512 Acoustic protection material and apparatus including such material
08/31/1993US5241287 Acoustic waveguides having a varying velocity distribution with reduced trailing echoes
08/31/1993US5240221 For attenuating vibrations
08/31/1993US5240057 High performance pneumatic radial tires with auxiliary belt layers