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)
04/2001
04/03/2001US6209679 Aircraft engine acoustic liner and method of making same
04/01/2001CA2320639A1 Acoustical panel having a honeycomb structure and method of making the same
04/01/2001CA2320637A1 Composite structure with foamed cementitious layer
03/2001
03/29/2001WO2001021872A1 Fabrics for sound and light
03/29/2001WO2001021072A1 Ultrasonic probe and ultrasonic diagnostic device comprising the same
03/29/2001DE19946083A1 Active noise reduction device esp. for motor vehicles, has loudspeaker and microphone connected to control unit, joined to voltage supply and further control unit, with all components arranged in flexible carrier material
03/28/2001EP1086311A1 Tubular ultrasonic transducer
03/28/2001CN1289435A Contact Elecment for an ultrasound sensor
03/27/2001US6208739 Noise and vibration suppression method and system
03/27/2001US6206136 Acoustic liner and method of making an acoustic liner
03/22/2001WO2001019743A1 A fibrous sound absorbing mass able to be biologically degraded
03/22/2001DE10009281C1 Sound-damping fleece especially suited for vehicle interior cladding, is made of fine melt-spun fibers, split to microfilaments following pre-solidification
03/22/2001CA2350034A1 A fibrous sound absorbing mass able to be biologically degraded
03/21/2001EP1085497A2 Swept transmit beam bathymetric sonar
03/21/2001EP1085196A1 Hybrid mode-scattering/sound-absorbing segmented liner system and method
03/21/2001CN1287814A Device for lowering noise in tobacco industial equipment
03/21/2001CN1287813A Device for lowering noise in tobacco industrial equipment
03/20/2001US6205224 Circularly symmetric, zero redundancy, planar array having broad frequency range applications
03/20/2001US6203656 Acoustic liner manufacture
03/20/2001US6203498 Ultrasonic imaging device with integral display
03/20/2001US6203366 Sleeve for receiving a sensor, connected to the bumper of an automobile
03/20/2001US6202786 Absorber to absorb acoustic sound waves and method for its production
03/20/2001US6202491 Digital vibration coupling stud
03/15/2001WO2001019136A1 Acoustic transducer panel
03/15/2001WO2001018509A1 Method and apparatus for energy efficient tacking of resonant devices
03/15/2001WO2001018458A1 Ventilation assemblies
03/15/2001DE19950883A1 Biologisch abbaubare Schalldämpferwolle Biodegradable wool mufflers
03/15/2001DE19943555A1 Sound box for the development or emission or reflection or damping of acoustic oscillations has structured successive zones in the depth of the box along arithmetical rows
03/15/2001DE19943320A1 Anordnung zur Absenkung des Lärmpegels an Produktionsmaschinen der tabakverarbeitenden Industrie Arrangement for reducing the noise level on production machines of the tobacco processing industry
03/15/2001DE19943319A1 Anordnung zur Absenkung des Lärmpegels an durch strömende Prozeßluft beaufschlagten Produktionsmaschinen der tabakverarbeitenden Industrie Arrangement for reducing the noise level at acted upon by flowing process air production machines of the tobacco industry
03/14/2001EP1082915A2 System for the reduction of the noise level for producing machines in the tobacco industry
03/14/2001EP1082914A2 System for the reduction of the noise level for producing machines subjected to the action of an air flow in the tobacco industry
03/14/2001EP1082828A1 Single point contact acoustic transmitter
03/14/2001CN1287764A Audio device and headphone
03/14/2001CN1286963A Full-digital wave beam synthesizer for B-mode ultrasonic diagnostic equipment
03/13/2001US6201872 Active control source cancellation and active control Helmholtz resonator absorption of axial fan rotor-stator interaction noise
03/13/2001US6201767 Adjustable in-hull transducer assembly
03/08/2001WO2001017037A1 Chemically inert megasonic transducer system
03/08/2001WO2001016590A2 Coupling medium for transversal ultrasonic waves
03/08/2001DE19941198A1 Ankoppelmedium für transversale Ultraschallwellen Coupling medium for transverse ultrasonic waves
03/08/2001DE10022902A1 Bauteil mit hoher absorptiver Wirkung über einem breiten Frequenzbereich Component with high absorptive effect over a wide frequency range
03/07/2001EP1080345A2 Ultrasonic transducer
03/07/2001EP1079991A1 Acoustically effective insulating lining for motor vehicles
03/07/2001EP0909225B1 Rotary acoustic horn
03/06/2001US6198956 High speed sector scanning apparatus having digital electronic control
03/06/2001US6198829 Process and device for focusing acoustic waves
03/06/2001US6198828 Off-line feedback path modeling circuitry and method for off-line feedback path modeling
03/06/2001US6198826 Qsound surround synthesis from stereo
03/06/2001US6196488 Sound-absorbing material and a cable reel including the same
03/06/2001US6196350 Apparatus and method for attenuating tube waves in a borehole
03/01/2001WO2001015137A1 Noise reduction apparatus
03/01/2001WO2001014169A1 Heat shield for motor vehicles
03/01/2001WO2000065377A3 Panel for absorbing acoustic energy
03/01/2001DE19939747A1 Attachment device for attaching ultrasonic transducers to motor vehicles has sleeve-shaped part for accommodating transducer, mounting section with opening for holder part held by ring
03/01/2001DE19939482A1 Hitzeschild für Kraftfahrzeuge Heat shield for motor vehicles
03/01/2001DE19938739A1 Noise insulation unit; is formed as a point bearing element and has intermediate element formed as plate with peripheral bead with spring element arranged inside bead on each side
03/01/2001DE19938171A1 Acoustic signal processing method for passenger vehicle communications installation processes acoustic signals in dependence on respective seating position for providing respective acoustic zones
02/2001
02/28/2001EP1079369A2 Adjustable acoustic mirror
02/27/2001US6194814 Nosepiece having an integrated faceplate window for phased-array acoustic transducers
02/27/2001US6194052 Soundabsorbing element and procedure for manufacture of this element and use of this element
02/22/2001WO2001013357A1 Ultrasound assembly for use with a catheter
02/22/2001WO2001012470A1 Component with high absorbing effect over a wide frequency range
02/21/2001EP1076586A1 Ultrasound bandages
02/20/2001US6192133 Active noise control apparatus
02/20/2001US6192006 Device for and a method of determining the angle of incidence of a received signal and a scanning sonar
02/20/2001US6190323 Direct contact scanner and related method
02/15/2001WO2001010682A1 Sound-absorbing and sound-deadening coating for a structural part that vibrates
02/15/2001DE19962865C1 Shaped polymer foam component for sound absorption purposes in automobiles is provided with perforations in its compacted surface layer
02/15/2001DE19937195A1 Ultrasonic transducer e.g. for parking assistance in motor vehicle, has diaphragm held at tapered end of rubber-like holding piece
02/15/2001DE10038653A1 Flexible, integrated circuit architecture for shaping receiver beam uses receiver beam moulder to implement functions on integrated circuit chips for delay and amplitude control for dynamic focussing in receiver
02/14/2001EP1076245A1 Elastic wave generator, structure for attaching magnetostriction oscillator, and attaching method
02/14/2001EP1075777A1 Transducer backing material and method of application
02/14/2001EP1075688A1 Method of applying a matching layer to a transducer
02/14/2001EP0760996A4 Multimedia personal computer with active noise reduction and piezo speakers
02/13/2001US6188771 Personal sound masking system
02/13/2001US6188770 Fan noise canceller
02/13/2001US6188162 High power megasonic transducer
02/13/2001US6186963 Device for generating acoustic shock waves, especially for medical applications
02/13/2001US6186952 Machined tilt transducer and methods of making
02/13/2001US6186270 Layered sound absorber for absorbing acoustic sound waves
02/13/2001CA2188536C Multimedia personal computer with active noise reduction and piezo speakers
02/08/2001WO2001008478A1 Deterrent system and acoustic apparatus
02/08/2001DE4435980C2 Verfahren für die Herstellung eines Ultraschallkopplers A process for the production of an ultrasonic coupler
02/08/2001DE19937462A1 Schalldämmpfende und schalldämmende Beschichtung eines zu Schwingungen neigenden Bauteils Schalldämmpfende and sound-absorbing coating a tendency to oscillate component
02/08/2001DE19937131A1 Pilot sound regulation for automatic sound compensation involves generating essentially constant pilot sound as control parameter for monitoring sound compensating control path
02/07/2001EP1075164A2 Headset noise reduction
02/07/2001EP1074971A2 Digital feed-forward active noise control system
02/07/2001EP1074970A2 Digital feed-forward active noise control system
02/07/2001EP1074969A2 Ultrasonic transducer
02/07/2001EP1074310A2 Wing type ultrasonic transducer
02/07/2001CN1283273A Digital ultrasound beamformer
02/07/2001CN1283158A Active noise control system for helicopter gearbox mount
02/06/2001US6184519 Surface analyzing apparatus with anti-vibration table
02/06/2001US6183837 Soundproof aluminum honeycomb-foam panel
02/06/2001US6183419 Multiplexed array transducers with improved far-field performance
02/06/2001US6182787 Rigid sandwich panel acoustic treatment
02/01/2001WO2001008237A1 Ultrasonic transducer having impedance matching layer
02/01/2001WO2001007726A1 Improved thermal and acoustical insulating shield
02/01/2001WO2001007182A1 Method for producing a thermal, acoustical and/or vibrational abatement shield and shield produced thereby
02/01/2001DE4345308C2 Medical ultrasonic diagnosis system