Patents
Sitemap › G10 - Musical instruments; Acoustics › G10K - Sound-producing devices; methods or devices for protecting against, or for damping, noise or other acoustic waves in general; Acoustics not otherwise provided 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
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)
07/1998
07/07/1998US5777947 Apparatuses and methods for sound absorption using hollow beads loosely contained in an enclosure
07/07/1998US5777279 Sound attenuating structure
07/07/1998US5777230 Delay line for an ultrasonic probe and method of using same
07/07/1998US5776155 Methods and devices for attaching and detaching transmission components
07/07/1998CA2223589A1 Tunable acoustic system
07/07/1998CA2138552C Control system using harmonic filters
07/02/1998WO1998027875A1 Methods and devices for attaching and detaching transmission components
07/02/1998WO1998027874A1 Methods and devices for joining transmission components
07/02/1998DE19756686A1 Complex finite impulse response filter circuit
07/02/1998DE19756024A1 Bundle forming channel for ultrasound image sender
07/02/1998DE19518408C2 Selektierte keramische Formteile und Verfahren zur Selektion fehlerfreier keramischer Formteile Selected ceramic moldings and method for selecting error-free ceramic moldings
07/01/1998EP0851402A2 Light-weight ceramic acoustic absorber and method of manufacturing the same
06/1998
06/30/1998US5774564 Active controller using lattice-type filter and active control method
06/30/1998US5772100 Ultrasonic welder with dynamic nodal horn support
06/30/1998US5771896 Compact rotationally steerable ultrasound transducer
06/25/1998WO1998027541A1 Absorber to absorb acoustic sound waves and method for its production
06/24/1998EP0849538A2 Mineral wool needle-felt articles
06/24/1998EP0848893A1 Headset with ear cushion and means for limiting the compression of the cushion
06/24/1998EP0580579B1 Noise control apparatus
06/23/1998US5771300 Loudspeaker phase distortion control using velocity feedback
06/23/1998US5771205 Buoyant transducer assembly for assisting an angler
06/23/1998US5770941 Encapsulated transducer and method of manufacture
06/23/1998US5770801 Ultrasound transmissive pad
06/18/1998WO1998026405A2 Directed acoustic stick radiator
06/18/1998DE19652527A1 Absorber zum Absorbieren akustischer Schallwellen Absorber for absorbing acoustic sound waves
06/17/1998EP0847576A1 Active noise control system using phased-array sensors
06/17/1998EP0847527A1 Ultrasonic probes for use in harsh environments
06/16/1998US5768124 Adaptive control system
06/16/1998US5767024 Combined thermal and acoustic insulator
06/16/1998CA2110468C Apparatus for generating a trigger signal used to transmit an ultrasonic wave
06/16/1998CA2097018C Ultrasonic transducer assembly
06/10/1998EP0847040A2 Apparatus for and method of attenuating acoustic energy
06/10/1998CN1184051A Reduction device for vehicle assisted by electric motor power
06/09/1998US5764595 Directional acoustic transducer
06/09/1998US5763785 Integrated beam forming and focusing processing circuit for use in an ultrasound imaging system
06/09/1998CA2122442C Ultrasonic converter
06/04/1998WO1998024088A1 Method and apparatus for processing sound
06/04/1998CA2272893A1 Method and apparatus for processing sound
06/03/1998EP0612430B1 Ultrasonic transducer
06/03/1998CN1183832A Adaptive noise cancelling arrangement, noise reduction system and transceiver
06/03/1998CN1183730A Ultrasound probe
06/02/1998US5760349 Acoustic absorber having a slotted horn arranged in a pot
05/1998
05/28/1998WO1998022934A1 Noise absorption system having active acoustic liner
05/28/1998WO1998022933A1 Method and apparatus for attenuating sound
05/28/1998WO1998022700A2 Active exhaust silencer
05/28/1998WO1998022653A1 Manufacture of paper
05/28/1998CA2269911A1 Manufacture of paper
05/27/1998EP0844170A1 Reduction device for vehicle assisted by electric motor power
05/27/1998EP0844075A1 Sound damping laminated glazing for cars
05/27/1998CN1183018A Transmitter capable of reducing background noise
05/26/1998US5758311 Vibration/noise active control system for vehicles
05/26/1998US5757724 Zero velocity towed array system
05/26/1998US5756942 Vibration-damping section with sound absorbing material
05/26/1998US5756555 Acoustically active plastisols
05/26/1998US5756182 Method and apparatus for masking the acoustic signature of vessels
05/22/1998WO1998021072A8 Device and method for avoiding hearing damage during activation of vehicle occupant restraint systems
05/22/1998WO1998021072A2 Device and method for avoiding hearing damage during activation of vehicle occupant restraint systems
05/22/1998WO1998016760A3 Vibration attenuation system
05/20/1998EP0842508A1 Acoustic wave focusing method and device
05/20/1998DE19649522A1 Sound damping insert for water pipework
05/20/1998DE19640903C1 Combined thermal and sound insulation
05/19/1998US5754665 Noise Canceler
05/19/1998US5754662 Frequency-focused actuators for active vibrational energy control systems
05/19/1998US5754491 Multi-technology acoustic energy barrier and absorber
05/19/1998US5752423 Ultrasonic cutting device
05/13/1998EP0707453A4 Ultrasonic apparatus and method for intravascular imaging
05/13/1998EP0555248B1 Active vibration control system with multiple inputs
05/13/1998CN2281579Y Silencing and vibration absorbing platform for piano
05/12/1998US5750944 Foil sound absorbers
05/07/1998WO1998019296A1 Ultrasonic buffer/waveguide
05/07/1998WO1998019133A1 Dimensional inspection device without ultrasonic contact
05/07/1998WO1998018657A1 Ultralight, multifunctional sound-insulating kit
05/07/1998WO1998018656A1 Ultralight, multifunctional, sound-insulating material assembly
05/07/1998DE19644085A1 Active silencer for channel passed by medium
05/06/1998EP0840285A2 Active noise conditioning system
05/06/1998EP0840284A2 A transducer
05/06/1998EP0681513B1 Manufacturing method of an mechanically focusing ultrasonic transducer array
05/06/1998CN2280981Y 改进的喇叭结构 Improved horn structure
05/06/1998CN1180980A Noise canceling system
05/05/1998US5748757 Collapsible image derived differential microphone
05/05/1998US5748750 Method and apparatus for active noise control of high order modes in ducts
05/05/1998US5748749 Active noise cancelling muffler
05/05/1998US5748748 Apparatus and method for influencing oscillations in the passenger compartment of a motor vehicle and apparatus and method for detecting defects in a motor vehicle
05/05/1998US5747672 Ultrasonic probes for use in harsh environments
05/05/1998CA2069659C Telephone alerter
04/1998
04/29/1998EP0838973A1 Loudspeaker phase distortion control using velocity feedback
04/29/1998EP0838271A2 Ultrasound transducer
04/29/1998EP0666992A4 An improved method for reverberation suppression.
04/28/1998US5745580 Reduction of computational burden of adaptively updating control filter(s) in active systems
04/28/1998US5745434 Acoustic absorption or damping material with integral viscous damping
04/28/1998US5744763 Soundproofing insulator
04/23/1998WO1998016916A1 Hybrid active-passive noise and vibration control system for aircraft
04/23/1998WO1998016915A1 Device for absorbing and/or damping sound waves
04/23/1998WO1998016760A2 Vibration attenuation system
04/23/1998DE19719535A1 Noise damper for pressure container vent of floor covering mixer
04/23/1998DE19643030A1 Noise generation system for motor vehicle
04/22/1998EP0837452A2 Noise cancelling system
04/22/1998EP0837342A1 Ultrasonic sensor and obstruction detector having accurate obstruction detection capabilities
04/22/1998EP0836737A1 Method and apparatus for active noise control of high order modes in ducts
04/22/1998EP0836736A1 Digital feed-forward active noise control system
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