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)
10/1997
10/02/1997WO1997031365A3 Sound damper for ultrasonic waves
10/01/1997EP0798694A2 Cleanable low frequency sound attenuator for channels
10/01/1997EP0798426A1 Acoustic wave phase varying apparatus and sound insulating wall
10/01/1997CN1160810A Sound wave phase position change apparatus and sound insulation wall
09/1997
09/30/1997US5673325 Noise cancellation apparatus
09/30/1997US5672228 Vibration-damping of structural products
09/30/1997US5671746 Elevation steerable ultrasound transducer array
09/30/1997CA2096926C Noise controller
09/25/1997WO1997035300A1 Method and apparatus for the active control of sound radiated from flow ducts
09/25/1997WO1997034728A1 Automated, energy efficient ultrasonic welder
09/25/1997WO1997034528A1 Ultrasonic array with attenuating electrical interconnects
09/24/1997EP0797184A2 Vibration/noise control system
09/24/1997EP0796488A1 Surface wave component and method of producing an attenuating structure therefor
09/24/1997EP0796487A1 High-gain directional transducer array
09/23/1997US5670758 Acoustic protection on payload fairings of expendable launch vehicles
09/23/1997US5670756 Silencer
09/23/1997US5670235 Shaped laminate, particularly internal lining part for motor vehicles, as well as process and apparatus for the production thereof
09/23/1997US5669389 Endoscopic probe
09/23/1997US5669384 Real time digital reception focusing method and apparatus adopting the same
09/23/1997CA2118879C Low-delay stubband adaptive filter
09/18/1997WO1997034290A1 Noise suppressor circuit and associated method for suppressing periodic interference component portions of a communication signal
09/18/1997WO1997034288A1 Direct contact scanner and related method
09/18/1997DE19610029A1 Noise eradication from floor area of building
09/17/1997EP0795169A1 Frequency-focused actuators for active vibrational energy control systems
09/17/1997EP0795168A1 Broadband noise and vibration reduction
09/17/1997EP0794732A1 Acoustic imaging and doppler catheters and guidewires
09/17/1997EP0677234B1 Method of polarizing acoustic fields in particular with the aim of achieving an extremely broad, non-localized and spatial stereo effect requiring little space
09/16/1997US5668883 Headphone apparatus including an equalizer system having an open loop characteristic with a rising slope outside the cancellation band
09/16/1997US5668747 Coefficient updating method for an adaptive filter
09/16/1997US5668744 Active noise control using piezoelectric sensors and actuators
09/16/1997US5667373 Method for ultrasonic imaging of an object
09/11/1997DE19609543A1 Angle drum/angle resonator e.g. for loudspeaker housing
09/11/1997DE19607895A1 Acoustic insulation board for buildings
09/09/1997US5666427 Method of and apparatus for controlling noise generated in confined spaces
09/09/1997US5664397 Sandwich plate for use as motor-vehicle body part
09/04/1997WO1997032298A1 Method and system for coupling acoustic energy
09/04/1997DE19626167C1 Volume-alternating resonator component
09/04/1997DE19606411A1 Schalldämpfer für Ultraschallwellen Silencer for ultrasonic waves
09/03/1997EP0793217A2 Hydrophone cover
09/03/1997EP0792568A1 Noise cancellation apparatus
09/03/1997EP0635086B1 Building element and method of manufacturing such element
09/02/1997US5664019 Systems for feedback cancellation in an audio interface garment
09/02/1997US5664011 Echo canceller with adaptive and non-adaptive filters
09/02/1997US5663955 Echo canceller system with shared coefficient memory
09/02/1997US5663930 Signal processing system and method for use in multibeam sensing systems
09/02/1997US5663536 Sound attenuation assembly for air-cooling apparatus
09/02/1997US5662136 Acousto-fluidic driver for active control of turbofan engine noise
08/1997
08/28/1997WO1997031365A2 Sound damper for ultrasonic waves
08/28/1997WO1997031364A1 Ultrasound transmissive pad
08/28/1997WO1997030750A1 Method for conducting an ultrasound procedure using an ultrasound transmissive pad
08/28/1997DE19606543A1 Echo suppression method in signal transmission unit
08/28/1997CA2246516A1 Method for conducting an ultrasound procedure using an ultrasound transmissive pad
08/28/1997CA2246322A1 Ultrasound transmissive pad
08/27/1997EP0791140A1 Securing component for a body in a wall
08/27/1997CN2261061Y Device for hearing internal sound of equipment
08/26/1997US5660180 Intravascular ultrasound imaging guidewire
08/20/1997EP0790598A1 Thin metal sheet structure effective for sound damping
08/20/1997EP0790506A1 Linear acoustic antenna with device for ambiguity resolution
08/20/1997EP0789900A1 Reduction of computational burden of adaptively updating control filter(s) in active systems
08/19/1997US5659220 Ultrasonic transducer
08/19/1997US5659129 Device for excitation of oscillations and determination of properties of various fluid media
08/19/1997US5658656 Use of materials comprising microbubbles as acoustical barriers
08/19/1997US5658408 Method for processing workpieces by ultrasonic energy
08/16/1997CA2197703A1 Linear acoustic antenna with disambiguation facility
08/14/1997WO1997023068A3 An adaptive noise cancelling arrangement, a noise reduction system and a transceiver
08/14/1997DE19605130A1 Omnidirectional electroacoustic radiator
08/14/1997CA2245788A1 Noise-reducing stethoscope
08/13/1997CN1156817A Sensor
08/12/1997US5657296 Acoustic receiver assembly
08/12/1997US5657295 Ultrasonic transducer with adjustable elevational aperture and methods for using same
08/12/1997US5655539 Method for conducting an ultrasound procedure using an ultrasound transmissive pad
08/12/1997US5655538 Ultrasonic phased array transducer with an ultralow impedance backfill and a method for making
08/12/1997US5655537 Acoustic imaging and doppler catheters and guidewires
08/12/1997US5655536 Diagnostic ultrasound imaging using two-dimensional transducer array probe
08/12/1997US5655361 Cooling and noise reducing wall assembly
08/07/1997DE19603979A1 Induction tract silencer for internal combustion engine
08/06/1997EP0788089A2 Method and apparatus for suppressing background music or noise from the speech input of a speech recognizer
08/06/1997EP0787340A1 Active device for attenuating the sound intensity
08/06/1997EP0787294A1 Inspection of pipes
08/06/1997EP0596088B1 Mineral fibres capable of dissolving in a physiological medium
08/05/1997US5654101 Acoustic composite material for an ultrasonic phased array
08/05/1997US5653836 Method of repairing sound attenuation structure used for aircraft applications
08/05/1997US5653346 Process and device for sifting, sorting, screening, filtering or sizing substances
08/05/1997US5653236 Apparatus for real-time distributed computation of beamforming delays in ultrasound imaging system
07/1997
07/31/1997WO1997027723A1 Sound pick-up and reproduction system for a headset in a noisy environment
07/31/1997WO1997027370A1 Soundabsorbing element and procedure for manufacture of this element and use of this element
07/31/1997WO1997027005A1 Device for generating ultrasonic waves
07/31/1997WO1997026826A1 Method and apparatus for detecting foreign bodies in the medullary cavity
07/31/1997CA2214094A1 Sound pick-up and reproduction system for a headset in a noisy environment
07/30/1997EP0786759A1 Sound absorption body, sound absorption plate and sound absorption unit
07/30/1997EP0786131A1 Jet engine fan noise reduction system utilizing electro pneumatic transducers
07/30/1997EP0786051A2 Ducted axial fan
07/29/1997USRE35574 Communication device apparatus and method utilizing pseudonoise signal for acoustical echo cancellation
07/29/1997US5652799 Noise reducing system
07/29/1997US5652415 Polyurethane film on core
07/29/1997US5651366 Forward viewing ultrasonic imaging catheter
07/29/1997US5651365 Phased array transducer design and method for manufacture thereof
07/24/1997WO1997026646A1 Damped ultrasonic transducer
07/24/1997WO1997026155A1 Overcoatable bumper with ultrasound transducer
07/24/1997WO1997025921A1 Device for examining viscoelasticity of a living of artificial tissue