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)
10/1992
10/20/1992US5156144 Ultrasonic wave therapeutic device
10/20/1992CA2108696A1 Improvements in and relating to transmission line loudspeakers
10/15/1992WO1992017795A1 Acoustic system for use in pulse echo rangefinding
10/14/1992EP0507829A1 Active vibration reducing system.
10/14/1992CN2119026U Stethoscope type reading aid
10/06/1992WO1992017936A1 Active noise control
10/06/1992US5153388 Sound insulating element having absorption properties for partition walls
10/06/1992US5152294 Three-dimensional ultrasonic scanner
10/06/1992US5152291 Acoustic fiber measurement of intravascular blood
10/06/1992CA2084671A1 Active noise control
10/01/1992DE4122223C1 Acoustic, focussed, pressure pulse generator - has presser pulse source, pulse reflector, and acoustic lens between reflector and focus
10/01/1992DE3907085A1 Pressure resistant sound wave reflectors for underwater sonar systems - made from an expanded elastic material and blowing agent gas having larger molecular dia. than the elastic material
09/1992
09/30/1992EP0506529A1 Directional antenna for low frequency acoustic waves
09/30/1992EP0506280A2 Device for noise attenuation of weaving machine
09/30/1992EP0505949A1 Acoustic transfer function simulating method and simulator using the same
09/30/1992EP0505482A1 Soundproofed holding device for an ultrasonic transducer
09/29/1992US5151311 Acoustic attenuating liner and method of making same
09/29/1992US5151246 Methods for manufacturing foamable metal bodies
09/29/1992US5150855 Reducing vibrations in the cabin of an aircraft
09/23/1992EP0505342A2 Reactive sound attenuator, in particular for air ducts in paper mills
09/23/1992EP0504841A2 Ultrasonic beam forming system
09/23/1992EP0504629A2 Panel-like sound absorbing element, and sound absorbing arrangement
09/23/1992EP0504480A2 Ultrasonic diagnostic apparatus using a linear and angular scanning probe
09/22/1992US5150414 Method and apparatus for signal prediction in a time-varying signal system
09/22/1992US5150336 Frequency dispersive transmitting array
09/22/1992US5148810 Variable origin-variable angle acoustic scanning method and apparatus
09/17/1992DE4120593C1 Focussed acoustic pressure pulse source - comprises circular zones similarly activated but of differing diameters and foci
09/16/1992EP0503857A2 An ultrasonic imaging apparatus
09/15/1992US5148402 Method for reducing aircraft cabin noise and vibration
09/15/1992CA1307579C Method and apparatus for reducing acoustical distortion
09/09/1992EP0502199A1 Ultrasonic microscope
09/09/1992CN1018232B Multidimensional stereophonic sound reproduction system
09/08/1992US5146508 Omindirectional modular siren
09/08/1992US5146505 Method for actively attenuating engine generated noise
09/08/1992US5146434 Sound focusing device
09/03/1992WO1992015088A1 Method and apparatus for attenuating acoustic vibrations in a medium
09/02/1992EP0501177A1 Fastening arrangement for the encapsulation of the motor in a commercial vehicle
09/02/1992EP0500767A1 Audio surveillance discouragement apparatus and method
09/01/1992US5144186 Ultrasonic sandwich transducer with an astigmatic sonic lobe
09/01/1992US5143790 Integrally-damped steel composite laminated structure and method of attaching same
09/01/1992US5143755 Method of using a sound damping composition
09/01/1992US5143664 Molding of resin particles and pressing
09/01/1992US5143074 Ultrasonic treatment device using a focussing and oscillating piezoelectric element
08/1992
08/25/1992US5142649 Ultrasonic imaging system with multiple, dynamically focused transmit beams
08/25/1992US5142503 Side-scanning sonar towfish
08/25/1992US5142497 Self-aligning electroacoustic transducer for marine craft
08/20/1992CA2060829A1 Method and apparatus for tube-wave suppression
08/19/1992EP0498886A1 Acoustic fiber measurement of intravascular blood.
08/18/1992US5140640 Noise cancellation system
08/18/1992US5140558 Focused ultrasound imaging system and method
08/13/1992DE4102878A1 Reduction of noise transmission between machine parts - by using projections formed on joint faces
08/12/1992EP0498261A2 Sound insulation for containers, apparatus and pipelines
08/11/1992US5138664 Noise reducing device
08/11/1992US5138663 Method and apparatus for performing noise cancelling and headphoning
08/11/1992US5138588 Underwater sound attenuator
08/11/1992US5137111 Acoustic absorber, and method of manufacture thereof
08/06/1992WO1992012856A1 Noise attenuation panel
08/06/1992DE4103039A1 Composite sheets of acoustic insulation - consists of layer of foam adhering to layer of heavier mixt. of tacky resin dispersion and water absorbing e.g. mineral filler
08/04/1992US5136547 Method and apparatus for reducing for reducing acoustic emission from submerged submarines
08/04/1992US5135079 Noise prevention apparatus for a cable winch elevator
08/04/1992US5134988 Lens assembly for focusing energy
07/1992
07/30/1992DE4132964C1 Registering acoustic near field of marine vessel - using platform for hydrophones and distance sensors at set spacing to locate dominant sources e.g. engine, generator
07/28/1992US5134659 Method and apparatus for performing noise cancelling and headphoning
07/28/1992US5134014 Automobile panel liners, layers of corrugated core, linerboard and thermoformable foam with adhesive
07/28/1992US5133376 Device for ultrasonic machining or articles in liquid medium
07/23/1992WO1992013339A1 Noise attenuation panel
07/23/1992WO1992012855A1 Noise attenuation panel
07/23/1992WO1992012854A1 Structural cellular component
07/23/1992CA2098099A1 Noise attenuation panel
07/23/1992CA2092411A1 Noise attenuation panel
07/23/1992CA2092410A1 Structural cellular component
07/21/1992US5133017 Noise suppression system
07/21/1992US5132940 Current source preamplifier for hydrophone beamforming
07/21/1992US5132939 Low transient switching system
07/16/1992DE4117740C1 Friction face damping lining for thin-wall component - which carries platelets, each with foot protruding transversely to flat side
07/14/1992US5131050 Method and device for generating sound in a hall
07/14/1992US5131047 Noise suppressor
07/14/1992US5130948 Method and apparatus for reducing acoustic emission from submerged submarines
07/14/1992US5129399 Method and system for detecting echo signals by simultaneous reception in ultrasound diagnosis apparatus
07/14/1992US5129398 Ultrasonic diagnostic device
07/14/1992US5129262 Plate-mode ultrasonic sensor
07/14/1992CA1305246C Intracavitary ultrasound scanner means
07/09/1992WO1992011546A1 Transmission-reception device of acoustic signals for marine environment exploration
07/09/1992WO1992010972A1 Ultrasonic imaging catheter having rotational image correlation
07/07/1992US5129003 Active noise control apparatus for domestic appliance
07/07/1992US5128903 Ultrasound apparatus for the virtual diminution of the array division of a connectable transducer array
07/07/1992US5127410 Ultrasound probe and lens assembly for use therein
07/07/1992US5127235 Low noise refrigerator and noise control method thereof
07/01/1992EP0493350A1 A device for achieving or measuring a pressure difference
07/01/1992EP0493036A1 Acoustic imaging system
07/01/1992EP0492680A2 Method and apparatus for attenuating noise
06/1992
06/30/1992US5125410 Integrated ultrasonic diagnosis device utilizing intra-blood-vessel probe
06/30/1992US5125274 Tube testing apparatus
06/30/1992US5125241 Refrigerating apparatus having noise attenuation
06/30/1992US5125137 Method for providing a miniature ultrasound high efficiency transducer assembly
06/25/1992WO1992010915A1 A hand-held underwater distance measurement device
06/25/1992DE4041182A1 Method for reducing effect of flow and resonance noise - works during combustion operation of heating boiler, with sound waves picked up by receiver and reduced to half wavelength
06/25/1992DE4041063A1 Removal of artificial joints - with focussed ultrasonic head to loosen cement around joint support
06/24/1992EP0491373A2 Method of, and device for reducing noises generated at an indoor unit of a separate type room air conditioner package
06/24/1992EP0491034A1 Device for absorbing sound energy originating inside the hull of a vessel, and modular acoustic baffle forming a part thereof