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)
12/1998
12/29/1998US5854453 Sound absorbing body, sound absorbing plate, and sound absorbing unit
12/29/1998US5852860 Ultrasonic phased array transducer with an ultralow impedance backfill and a method for making
12/23/1998WO1998058519A2 Ultrasonic transducer for high transduction in gases and method for non-contact ultrasound transmission into solid materials
12/23/1998WO1998058417A1 Systems for ultrasonically processing delicate parts
12/23/1998EP0886262A2 Method for reducing noise in pipes carrying sound-conducting media
12/23/1998EP0884974A1 Noise-reducing stethoscope
12/23/1998CN1202592A Wall cavity microphone turbulence shield
12/22/1998US5852667 Digital feed-forward active noise control system
12/22/1998US5852234 Knocking detecting sensor
12/17/1998WO1998056576A1 Flexible corrugated multilayer metal foil shields and method of making
12/17/1998WO1998056573A1 Shaped multilayer metal foil shield structures and method of making
12/16/1998EP0884886A2 Echo canceler employing multiple step gains
12/16/1998EP0884606A2 Ultrasonic diagnostic image flash suppression technique
12/16/1998EP0884502A2 Active vibration reducing control apparatus and method applicable to vehicular active engine mount
12/16/1998EP0884498A2 Active mounts for aircraft engines
12/16/1998EP0884471A2 Active noise attenuation system
12/16/1998EP0883876A1 Ultrasound transmissive pad
12/16/1998EP0883484A1 Composite honeycomb sandwich structure
12/16/1998EP0643881B1 Active plus selective headset
12/16/1998CN1202051A Echo canceler employing multiple step gains
12/15/1998US5850458 Apparatus and method for actively reducing noise in vehicular passengers compartment
12/15/1998US5850061 Generator sound shield
12/15/1998US5850060 For use in facilitating oral communication
12/10/1998WO1998055709A1 Acoustical room paneling and method of installation
12/10/1998WO1998035529A3 Elastomeric dielectric polymer film sonic actuator
12/10/1998DE19825762A1 Geformte mehrschichtige Metallfolien-Abschirmstrukturen und Verfahren zu ihrer Herstellung Shaped multilayer metal foil shield structures and processes for their preparation
12/09/1998EP0883104A2 A turbulence-shield for a mcirophone in a wall-cavity
12/09/1998EP0882217A1 Encapsulated transducer and method of manufacture
12/09/1998EP0882212A2 Acoustic transducer components
12/09/1998EP0746843A4 Global quieting system for stationary induction apparatus
12/09/1998EP0685076A4 Signal processing system and method for use in multi beam sensing systems.
12/08/1998US5848169 Feedback acoustic energy dissipating device with compensator
12/08/1998US5848168 Active noise conditioning system
12/08/1998US5848163 Method and apparatus for suppressing background music or noise from the speech input of a speech recognizer
12/08/1998US5846377 Method for processing workpieces by ultrasonic energy
12/08/1998US5846201 Elevation plane focusing in an ultrasound imaging system
12/03/1998WO1998054693A1 Muffler
12/03/1998WO1998041974A3 Anr headset with dual stereo jacks
12/03/1998DE19724189A1 Tubular electroacoustic arrangement for generating ultrasonic energy
12/03/1998DE19722997A1 Acoustic sound-absorbing material used for lining e.g. vehicles
12/03/1998DE19722513A1 Composite sheet laid off the roll in cast floor construction to deaden footfall
12/02/1998EP0881624A2 Ultrasonic sensor and its ultrasonic resonator
12/02/1998EP0881492A2 Hand held ultrasonic diagnostic instrument with digital beamformer
12/02/1998EP0881001A1 Electrodynamic transducer for underwater acoustics
12/02/1998EP0772758B1 Gun silencer
12/02/1998EP0741638A4 Sandwich construction building materials
12/02/1998CN1041042C Noise cancellation apparatus, and telephone set having same
12/01/1998US5845236 Hybrid active-passive noise and vibration control system for aircraft
12/01/1998US5844996 Active electronic noise suppression system and method for reducing snoring noise
12/01/1998US5844140 Levitation apparatus
12/01/1998US5844139 Method and apparatus for providing dynamically variable time delays for ultrasound beamformer
12/01/1998US5842686 Patterned noise damping composite
11/1998
11/26/1998WO1998053444A1 Method for predicting and optimizing the acoustical properties of homogeneous porous material
11/26/1998WO1998052744A1 Composite structure
11/26/1998WO1998033428A3 Ultrasonic transducer assembly with improved electrical interface
11/26/1998CA2290523A1 Method for predicting and optimizing the acoustical properties of homogeneous porous material
11/25/1998EP0880301A2 Full sound enhancement using multi-input sound signals
11/25/1998EP0880300A2 Acoustic horns for loudspeakers
11/25/1998EP0880260A2 Echo/noise canceler with delay compensation
11/24/1998US5841876 Hybrid analog/digital vibration control system
11/24/1998US5841081 Method of attenuating sound, and acoustical insulation therefor
11/24/1998US5840797 Mixture of butyl rubber and tackifier resin for construction material, aerospace industry
11/19/1998WO1998052068A1 Multifrequency ultrasound probe
11/19/1998DE19720537A1 Thermal insulation for sound absorbing elements etc. in cars
11/19/1998CA2236342A1 Full sound enhancement using multi-input sound signals
11/18/1998EP0878001A1 System and method for reducing engine noise
11/18/1998EP0835444A4 Ultrasonic path bundle and systems
11/18/1998EP0799469B1 Directional acoustic transducer
11/18/1998CN1040788C Engine cover
11/17/1998US5838802 Apparatus for cancelling vibrations
11/17/1998US5838635 Watercraft and speed sensor combination
11/17/1998US5837885 Method and device for measuring the characteristics of an oscillating system
11/17/1998US5837454 Process for the manufacture of wholly microfabricated biosensors
11/17/1998US5837446 Process for the manufacture of wholly microfabricated biosensors
11/17/1998US5836881 Focusing delay calculation method for real-time digital focusing and apparatus adopting the same
11/17/1998CA2031069C Noise reducing tool and method
11/12/1998WO1998050906A1 Ultrasonic measuring instrument
11/12/1998WO1998050905A1 Method for selectively controlling sound radiation
11/11/1998EP0876539A1 Soundabsorbing element and procedure for manufacture of this element and use of this element
11/11/1998EP0724762A4 Active control system for noise shaping
11/11/1998CN2297012Y Volume expanding horn
11/11/1998CN1198620A Echo/noise eliminator with delay compensation
11/10/1998US5834871 System for delivering ultrasound to liquid
11/10/1998US5834647 Active device for attenuating the sound intensity
11/05/1998WO1998049672A1 An acoustic apparatus and method
11/05/1998WO1998049671A1 Acoustic apparatus and method
11/05/1998WO1998049009A1 Simultaneous amplitude and force profiling during ultrasonic welding of thermoplastic workpieces
11/05/1998WO1998048948A1 Porous metal/organic polymeric composites
11/05/1998WO1998048737A1 Active headset with bridge amplifier
11/05/1998DE19718513A1 Device to generate acoustic shock waves, especially for medical purposes
11/05/1998DE19718223A1 Tinnitus masking device fitted to human ear
11/04/1998EP0875301A2 Methods and devices for controlling the vibration of ultrasonic transmission components
11/04/1998EP0875203A2 Ultrasonic array transducer for a hand held diagnostic instrument
11/04/1998EP0874743A1 Overcoatable bumper with ultrasound transducer
11/04/1998EP0874589A1 Modular transducer system
11/04/1998EP0874586A1 Device for examining viscoelasticity of a living of artificial tissue
11/04/1998EP0781446B1 Directional ear device with adaptive bandwidth and gain control
11/04/1998EP0707737B1 Active sound damper
11/04/1998EP0533680B1 Noise suppression system
11/03/1998US5832095 For an air distribution structure
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