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)
11/1994
11/17/1994	DE4315694A1 Machine with devices for avoiding the transmission of solid-borne sound
11/15/1994	US5365594 Active sound and/or vibration control
11/15/1994	US5365492 Method for reverberation suppression
11/15/1994	US5365024 Acoustic lens system
11/15/1994	US5364681 Woven fabric adhered to fabric backing by discontinuous thermoplastic polymer layer
11/10/1994	WO1994025835A1 Method for suppression of interferences and detector construction for measuring signals from the surface of solid substance
11/10/1994	WO1994025265A1 Molded composite body, particularly interior trim for motor vehicles, as well as process and device for its manufacture
11/10/1994	WO1994024970A1 Single and multiple channel block adaptive methods and apparatus for active sound and vibration control
11/10/1994	WO1994024937A1 Device for identifying fingerprints using ultrasonics
11/09/1994	EP0623913A2 Electroacoustic transducer
11/08/1994	US5363451 Method and apparatus for the active reduction of compression waves
11/08/1994	US5363345 Process and electro-acoustic transducers for transmitting low-frequency acoustic waves in a liquid
11/08/1994	US5363343 Folded hydrophone array for narrow marine vehicles
11/08/1994	US5363341 Level measuring device which can be assembled from components
11/08/1994	US5362931 Panel shaped element, specifically for sound absorbing structures and a sound absorbing installation
11/08/1994	US5361669 Passive radiator baffle panel for drum type-percussion instruments
11/02/1994	EP0622779A2 Multiple adaptive filter active noise canceller
11/02/1994	EP0622778A2 Non-integer sample delay active noise canceller
11/02/1994	EP0622777A1 Attenuation device for the acoustic wave energy emitted by a sound source in at least one particular direction
11/02/1994	EP0622177A1 Moulded multilayered product, in particular an internal liner for vehicles, and method for its production
11/02/1994	EP0622176A1 Moulded multilayered product, in particular an internal liner for vehicles, and method and apparatus for its production
11/01/1994	US5361303 Frequency domain adaptive control system
11/01/1994	CA2047524C Active adaptive noise canceller without training mode
10/1994
10/27/1994	WO1994024662A1 Method of calculating filter weights for compression wave cancellation systems
10/26/1994	EP0621414A1 Noise abating brake shoe
10/25/1994	US5359663 Method and system for suppressing noise induced in a fluid medium by a body moving therethrough
10/25/1994	US5359662 Active noise control system
10/25/1994	US5357963 Sealed magnetic drive means without a passage through a wall and ultrasound probe comprising an application thereof
10/25/1994	US5357962 Ultrasonic imaging system and method wtih focusing correction
10/20/1994	DE4343819A1 Device for reducing the noise level in operating devices equipped with fans
10/19/1994	EP0620110A1 Multi-layer laminate
10/19/1994	EP0619941A2 Element for positioning an animal
10/19/1994	EP0370107B1 Ultrasonic diagnostic apparatus
10/19/1994	CN1026264C Machine, especially packaging machine
10/13/1994	WO1994023422A1 Partial beamforming
10/13/1994	WO1994023421A1 Digital beamformer having multi-phase parallel processing
10/13/1994	WO1994023420A1 Hybrid analog/digital vibration control system
10/13/1994	WO1994023419A1 Improved audio reproduction system
10/13/1994	WO1994023418A1 Frequency domain adaptive control system
10/13/1994	WO1994022403A1 Non-integral active muffler
10/12/1994	EP0618847A1 Process and device for acoustically irradiating and transferring vibrations to an acoustic irradiation fluid containing particles.
10/11/1994	US5355417 Active control of aircraft engine inlet noise using compact sound sources and distributed error sensors
10/11/1994	US5353797 Ultrasonic diagnostic apparatus
10/11/1994	US5353598 Damping system for high frequency combustion instabilities in a combustion chamber
10/11/1994	CA1332441C Localization and therapy system for treatment of spatially oriented focal disease
10/06/1994	DE4092322C2 Funnel loudspeaker and associated sound funnel
10/05/1994	EP0618564A1 Method for the control of the noise generated by a device, and system for the implementation of the method
10/05/1994	EP0618446A1 Method and device for separating acoustic wave-generated energy from directly coupled electromagnetic interference
10/05/1994	EP0618385A1 Connection element for decoupling of sound
10/05/1994	EP0618090A1 Tyres
10/04/1994	US5353263 Soft sonar suspension system
10/04/1994	US5351691 Endoscopic probe
10/04/1994	US5351546 Monochromatic ultrasonic transducer
10/04/1994	CA2069921C Hand-held ultrasonic probe
10/03/1994	CA2120409A1 Active noise control method and device
09/1994
09/30/1994	CA2119658A1 Multiple tread geometries for reduced tire tread noise
09/29/1994	DE4409200A1 Schallabschirmplatte und Anwendung einer Schallabschirmplatte an der Bodengruppe eines Motorraums eines Kraftfahrzeugs Schallabschirmplatte and application of a Schallabschirmplatte to the floor assembly of an engine compartment of a motor vehicle
09/28/1994	EP0617510A1 Surface acoustic wave element for coupling surface acoustic wave with waveguide at high efficiency, method for designing it, and signal receiver and communication system using it
09/22/1994	DE4409591A1 Vibration control system for a self-propelled vehicle
09/21/1994	EP0616314A2 Active noise attenuating device of the adaptive control type
09/21/1994	EP0615900A1 Sonar baffles
09/21/1994	EP0615648A1 Active noise control of an enclosure with multiple transducers
09/21/1994	EP0615647A1 Acoustic non-destructive testing
09/21/1994	EP0615625A1 Therapy device for destroying a target by acoustic signals featuring time reversal
09/21/1994	EP0615504A1 Cleaning and etching methods utilising acoustic fields
09/21/1994	CN2177984Y Listening testing apparatus
09/20/1994	US5349262 Phased array ultrasound imaging system with dynamic elevation focusing
09/14/1994	EP0615340A1 Low-delay subband adaptive filter
09/14/1994	EP0615224A2 A method of determining the sound transfer characteristic of an active noise control system
09/14/1994	EP0614426A1 Shaped filler body for sealing cavities which are difficult of access.
09/14/1994	CN1092128A Improvements to the processes and devices for prot ecting a given volume, preferably arranged inside a room, from outside noises
09/13/1994	US5347586 Adaptive system for controlling noise generated by or emanating from a primary noise source
09/13/1994	US5347585 Sound attenuating system
09/13/1994	US5345939 Ultrasound imaging system with dynamic window function
09/13/1994	US5345720 Insulation part
09/08/1994	DE4342771A1 Process for producing an ultrasonic coupler
09/07/1994	EP0613800A1 Sealing strips
09/06/1994	USH1357 Active sound cancellation system for time-varying signals
09/06/1994	US5345426 Delay interpolator for digital phased array ultrasound beamformers
09/06/1994	US5345045 Acoustic lens
09/06/1994	US5343864 Ultrasonic diagnostic apparatus
09/06/1994	US5343713 Active noise control apparatus for three-dimensional space
09/01/1994	WO1994019894A1 Voice transmission systems with voice cancellation
09/01/1994	WO1994018923A1 Broad band zonal cancellation in a short duct
08/1994
08/31/1994	EP0613324A2 Collapsible ear tip
08/31/1994	EP0612430A1 Ultrasonic transducer
08/30/1994	US5343523 Telephone headset structure for reducing ambient noise
08/30/1994	US5341762 Ultrasonic pest control device and method for constructing the same
08/24/1994	EP0612058A1 Method and device for active damping of vibrations
08/24/1994	EP0612057A2 Active noise control systems
08/23/1994	US5341346 Portable narrow angle sonar range finder
08/23/1994	US5339674 Method and apparatus for the transmision of an acoustic signal in a photoacoustic cell
08/18/1994	WO1994018532A1 Ultrasonic pest control device and method for constructing the same
08/18/1994	WO1994017762A1 Improved method and system for on-line system identification
08/18/1994	WO1994017761A1 Active noise-cancellation system for automotive mufflers
08/18/1994	WO1994017734A1 Ultrasound catheter
08/18/1994	WO1994015439A3 Method of polarizing acoustic fields in particular with the aim of achieving an extremely broad, non-localized and spatial stereo effect requiring little space
08/18/1994	DE4304628A1 Lining for a housing
08/18/1994	CA2155101A1 Ultrasonic pest control device and method for constructing the same
08/17/1994	EP0611089A2 Active acoustic control system matching model reference

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