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)
12/1997
12/11/1997CA2247808A1 Active feedback control system for transient narrow-band disturbance rejection over a wide spectral range
12/10/1997EP0811226A1 A high resolution intravascular ultrasound transducer assembly having a flexible substrate
12/10/1997EP0811149A1 Body to be bonded to a machine housing and adhesive connection between an adhesion surface of a body and a corresponding adhesion surface on the outside of a machine housing
12/10/1997EP0811097A1 Plate resonator
12/09/1997US5696738 Underwater sensing device for ocean floor contact
12/09/1997US5696737 Transmit beamformer with frequency dependent focus
12/04/1997WO1997045829A1 Protective cover assembly having sound transmission characteristics
12/04/1997DE19709241A1 Abtastungsultraschallsonde mit lokal getriebener Wobbelultraschallquelle Scan ultrasound probe with locally-driven Wobbelultraschallquelle
12/03/1997EP0809900A2 An adaptive noise cancelling arrangement, a noise reduction system and a transceiver
12/02/1997US5694372 Sonar system for current meter and doppler log
12/02/1997US5693918 For canceling noise propagating through an exhaust pipe
11/1997
11/27/1997WO1997044142A1 Scanning ultrasound probe
11/27/1997DE19621213A1 Device for measurement of engine oscillations
11/26/1997EP0809235A2 Sound-proofing and sound-damping element with protuberances and depressions
11/25/1997US5692056 Method and apparatus for intracranial noise suppression
11/25/1997US5692055 Active noise-suppressive control method and apparatus
11/25/1997US5692054 Multiple source self noise cancellation
11/25/1997US5692053 For canceling a noise disturbance
11/25/1997US5692052 Engine noise control apparatus
11/25/1997US5691893 Adaptive control system
11/25/1997US5691516 Tunable vibration absorber
11/25/1997US5691476 In a test specimen
11/25/1997US5690321 Vibration damping system for vehicle
11/25/1997US5690035 Vibration-damping material, its manufacturing method, and structural section for transport vehicle
11/20/1997WO1997043754A1 Reactive sound absorber
11/20/1997WO1997042844A1 Energy conversion composition
11/20/1997DE3690124C2 Ultrasonic reflex transmission imaging apparatus
11/20/1997DE19720433A1 Oscillation and noise damping apparatus for vehicle
11/19/1997EP0807990A1 Circularly symmetric, zero redundancy, planar array antenna
11/19/1997EP0807407A1 Tissue assessment apparatus
11/19/1997EP0807217A1 An article with means for damping frame noise and the way to produce the article and a device to coat the article with the dampingmeans
11/19/1997EP0572492B1 Method and apparatus for attenuating acoustic vibrations in a medium
11/19/1997CN2268288Y Directional sound-volume amplifier for students on class
11/18/1997US5689576 Surface feature mapping using high resolution C-scan ultrasonography
11/18/1997US5689572 Method of actively controlling noise, and apparatus thereof
11/18/1997US5688342 Pneumatic tire having ground contacting area
11/18/1997US5687667 Towed array acoustic projector shading device
11/13/1997WO1997042624A1 Marine transducer assembly with acoustic damping
11/12/1997EP0806639A1 Calibration and control method for an object detection apparatus using ultrasound in air
11/12/1997EP0806589A1 Vibration control
11/12/1997EP0806092A1 A directional acoustic signal processor and method therefor
11/12/1997EP0806030A1 l/4-SOUND ABSORBER
11/12/1997EP0605722B1 Received wave beam former of ultrasonic diagnosis device
11/12/1997EP0596971B1 Noise reduction system
11/12/1997CN1164914A Thin metal sheet structure effective for sound damping
11/11/1997US5687075 For reducing undesired signals
11/11/1997US5685940 Adhering tiedown plies in composite construction
11/11/1997US5685308 Method and apparatus for receive beamformer system
11/07/1997CA2204469A1 Transducer assembly with acoustic damping
11/06/1997DE19616340A1 Manufacture of multi:layer sound proofing element
11/05/1997EP0805432A2 Feedback method of noise control having multiple inputs and ouputs
11/05/1997EP0805431A2 Method and device for active noise control of gas flows
11/05/1997EP0725965B1 An active noise cancellation muffler for a motor vehicle
11/05/1997EP0598715B1 Ultrasonic transducer
11/04/1997US5684278 Acoustical ceramic panel and method
10/1997
10/30/1997WO1997040402A1 Ultra-sound area surveillance system
10/29/1997EP0803860A2 A noise reduction circuit, a noise reduction apparatus and a noise reduction method
10/28/1997US5681996 Ultrasonic device for inspection of metal parts
10/28/1997US5681408 Woven fabric bonded to thermoplastic resin
10/28/1997US5681072 Sound absorber for motor vehicles
10/28/1997US5680863 Flexible ultrasonic transducers and related systems
10/23/1997WO1997039439A1 Multi-layer sound-absorbing component
10/23/1997DE19615548A1 Ultraschall-Bereichsüberwachungsanlage Ultrasonic range monitoring system
10/22/1997EP0801927A1 Sensing device with cutaneous conformance
10/22/1997EP0801785A1 Industrial headset
10/22/1997EP0742971A4 Adaptative feedforward and feedback control system
10/22/1997CN2265572Y Memory-aid device for learning
10/22/1997CN1162524A Special sound wave absorbing and reflecting boards for speaker box
10/21/1997US5680371 Broadband sonar method and apparatus for use with conventional sonar arrays
10/21/1997US5680337 Coherence optimized active adaptive control system
10/21/1997US5678554 Ultrasound transducer for multiple focusing and method for manufacture thereof
10/16/1997WO1997037937A1 Ultrasound device for sterilising liquids
10/16/1997WO1997037839A1 Advanced sound reduction tape
10/16/1997WO1997037724A1 A communication interface for breathing equipment
10/16/1997DE19614935C1 Anti-noise generator for extinguishing low-frequency, periodical noise field by means of sirens
10/16/1997DE19613239A1 Mechanical sector scanner for ultrasound diagnostic appts.
10/15/1997EP0800788A1 Solid ultrasonic biomedical couplant sheet
10/15/1997EP0651907B1 Method and device for active noise reduction in a local area
10/14/1997US5677958 For compensating interference noise
10/14/1997US5677491 For forcing images
10/14/1997US5677489 Distributed structural characteristic detection system using a unidirectional acoustic waveguide
10/14/1997US5677027 Sound insulating structure
10/14/1997US5676147 Ultrasonic receive beamformer with phased sub-arrays
10/09/1997WO1997037511A1 High-quality sound reproduction system
10/09/1997WO1997037343A1 Method of forming a sound-absorbing medium
10/09/1997WO1997036743A1 Combined thermal and acoustic insulator
10/09/1997DE19613242A1 Mechanical sector scanner esp. for acoustic therapy appts. with ultrasound location
10/08/1997EP0799470A1 System for processing an object with focused ultrasonic waves
10/08/1997EP0799469A1 Directional acoustic transducer
10/08/1997EP0799429A1 Source signature determination and multiple reflection reduction
10/08/1997EP0659130B1 Improved vehicle insulation and method for making and using same
10/07/1997US5675554 Method and apparatus for transmit beamformer
10/07/1997US5675133 Used for cheering during a game
10/07/1997US5674594 Plain surface acoustical product
10/07/1997US5673696 Ultrasound transducer probe holder
10/07/1997CA2083038C Tuned port rigid baffle panel for drum type percussion instruments
10/02/1997WO1997036284A1 Multi-layer sound-absorbent component
10/02/1997WO1997036191A1 A mechanical filter
10/02/1997WO1997036122A2 Method and apparatus for non-model based decentralized adaptive feedforward active vibration control
10/02/1997WO1997036066A2 Privacy enclosure