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)
11/1990
11/20/1990CA1276716C Ultrasonic mechanical sector scanning transducer probe assembly
11/15/1990WO1990013253A1 An intra-arterial device
11/14/1990EP0396761A1 Ultrasonic wave inspecting apparatus
11/14/1990EP0396666A1 Selective active cancellation system for repetitive phenomena.
11/13/1990WO1990013474A1 A method and a system for counteracting marine biologic fouling of a hull or a submerged construction
11/13/1990US4970705 Constant focal length acoustic lens
11/13/1990US4970703 Switched capacitor waveform processing circuit
11/13/1990US4970700 Sonar apparatus
11/13/1990CA2057050A1 Method and a system for counteracting marine biologic fouling of a hull or a submerged construction
11/06/1990US4969132 Delay quantization technique to reduce steering errors in digital beamformers
11/06/1990US4967873 For inspecting a sample
11/06/1990US4967860 Process and apparatus for locating an obstacle
11/06/1990US4967752 For ultrasonic diagnostic imaging systems
11/01/1990WO1990013109A1 Sound synthesizer in a vehicle
11/01/1990WO1990013108A1 Active sound and/or vibration control
11/01/1990WO1990013107A1 System for ultrasonic pan focal imaging and axial beam translation
10/1990
10/31/1990EP0395516A1 Process for installing a flexible element of large size, such as a sound absorbing panel on a conjugated receptacle, such as a car dashboard, and apparatus for applying this process
10/31/1990EP0394582A2 Magnetostrictive actuator using adaptive control.
10/31/1990EP0394299A1 Transducer device for acoustic log.
10/30/1990US4966799 Noise-reducing structural element
10/30/1990US4966132 Remote spark shock wave generator
10/30/1990US4966038 Ultrasonic microscope
10/30/1990CA1275726C Electroacoustic calling device
10/25/1990DE3913347A1 Sound-insulating layer for flat surface - comprises regular hollow spaces enclosed by paper-strip walls
10/25/1990DE3913307A1 Oscillatory control of hollow components - by filling with mixt. of small shot and plastic binder
10/23/1990US4965832 Active noise control
10/23/1990US4965776 Planar end-fire array
10/18/1990WO1990012333A1 Acoustic sub-surface interrogator
10/18/1990WO1990012168A1 Sound attenuating laminate and installation for jet aircraft engines
10/17/1990EP0392407A2 Sound-absorbing body
10/17/1990EP0392012A1 Ultrasonic diagnosing apparatus
10/17/1990EP0391933A1 Method and device for generating sound in a space for people.
10/16/1990US4964100 Acoustic detection system
10/16/1990US4964091 Electroacoustic transducer
10/16/1990US4963854 Light bulb shaped audio signal emitter
10/16/1990US4962752 Coupling member for a shock wave therapy device
10/16/1990US4962667 Ultrasonic imaging apparatus
10/11/1990DE3911047A1 Ultrasonic transducer
10/10/1990EP0390959A2 Ultrasonic transducer
10/04/1990WO1990011051A1 Apparatus for comminuting concretions in the body of a patient
10/04/1990DE4009842A1 Flexible material sunroof for vehicle - has double skinned construction with sound damping inside lower layer
10/03/1990EP0390560A2 Suppression of noise from seismic vibrators
10/03/1990EP0390386A2 Noise reducing device
10/03/1990EP0390311A2 Mechanical ultrasonic scanner
10/03/1990EP0389953A2 Ultrasound generator assembly and ultrasonic acoustic microscope
10/03/1990EP0389615A1 Phacoemulsification transducer
10/03/1990EP0389531A1 Device for generating shock waves fitted with an ellipsoidal reflector
10/03/1990EP0283823B1 Apparatus for generating and radiating ultrasound, especially for ultrasound therapy
10/03/1990EP0254104B1 Shock-wave generator for producing an acoustic shock-wave pulse
10/02/1990US4959998 Ultrasonic imaging apparatus
10/02/1990CA1274902A1 Ultrasonic reflex transmission imaging method and apparatus with external reflector
09/1990
09/30/1990CA2010900A1 Suppression of air-coupled noise produced by seismic vibrators
09/26/1990CN2062891U High efficient silencer with multiple chambers
09/20/1990WO1990010928A1 Process for influencing a noise source of a submarine and submarine
09/20/1990WO1990010927A1 Process and device for reducing the noise emission of submerged submarines
09/20/1990WO1990010926A1 Process and device for reducing the noise emission of submerged submarines
09/20/1990DE4007631A1 Ultrasonic test head for frequencies 5 mhz - has oscillator crystal with damping body of alternate sheets of conducting and absorbing material
09/19/1990EP0388316A2 A sonic well tool transmitter and receiver array including an attenuation and delay apparatus
09/19/1990EP0388215A2 Dynamically variable digital delay
09/19/1990EP0373188A4 Active sound attenuation system for engine exhaust systems and the like
09/18/1990US4958372 Hearing protector utilizing aural reflex mechanism
09/18/1990US4958332 Damping device for sonic waveguides
09/18/1990US4958329 Hydrophone and array thereof
09/18/1990US4957132 Method for low frequency attenuation in fluidic amplification of acoustic signals
09/18/1990US4957100 Ultrasound generator and emitter
09/18/1990US4957099 Shock wave source for extracorporeal lithotripsy
09/12/1990EP0386503A1 Ultrasonic device for detecting pregnancy in female larger animals
09/12/1990EP0386479A2 Shock wave generator
09/12/1990EP0225900B1 Echograph probe and echograph provided with such a probe
09/11/1990US4955365 Localization and therapy system for treatment of spatially oriented focal disease
09/06/1990DE3929023C1 Sound-absorbing radiator grille - is for heavy vehicle and has flaps made of plastics material
09/05/1990EP0385897A1 Microechographic probe using ultrasound focusing through a deformable surface
09/05/1990EP0385713A2 Noise reducing receiver device
09/04/1990US4954110 Underwater buoy provided with hydrodynamic stabilizing means and designed to be suspended, notably from a helicopter
08/1990
08/29/1990EP0384420A2 Floor covering for vehicles and method for production of a floor covering
08/29/1990EP0384333A2 Apparatus for directionally emitting and receiving ultrasound
08/28/1990US4953217 Noise reduction system
08/28/1990US4952610 Blend of polyurethane and olefin polymers; oil resistance, automobiles
08/23/1990WO1990009655A1 Noise suppression in vehicles
08/22/1990EP0383650A1 Process and apparatus for locating and focusing waves
08/22/1990EP0383270A2 Ultrasonic imaging system
08/22/1990EP0383233A2 Ultrasonic probe and acoustic lens attachment
08/22/1990EP0197934B1 Method and apparatus for infrasonically intensifying a glow bed
08/21/1990US4949708 Hypothermia apparatus
08/16/1990EP0382627A1 Process for the production of an attenuator material for acoustic waves and its use in the production of immersed acoustical screens
08/16/1990EP0381796A1 Ultrasonic sensor
08/16/1990DE3904361A1 Vibration and noise damper for washing machines etc
08/16/1990DE3904036A1 Device for connecting two parts in a compression-proof and tension-proof manner and decoupled with respect to structure-borne sound
08/16/1990DE3903227A1 Raising the deflection-response sensitivity in friction surface dampers
08/14/1990US4949317 Compliant underwater acoustic baffle
08/14/1990US4949259 Delay coefficient generator for accumulators
08/14/1990US4948552 Ultrasonic wave sensor intended to come into contact with a wall at a high temperature and application of this sensor
08/14/1990US4947854 Epicardial multifunctional probe
08/14/1990US4947830 Shock wave generator for extracorporeal lithotripsy
08/14/1990CA1272687A1 Exhaust silencer for high-power gas turbines
08/09/1990WO1990009084A1 Ear-focused acoustic lens
08/09/1990CA2009608A1 Method for fabricating an acoustic wave attenuating material and application thereof to the making of submersible baffles
08/08/1990EP0381498A2 Array microphone
08/08/1990EP0381452A2 Acoustic fabric
08/07/1990US4947435 Method of transfer function generation and active noise cancellation in a vibrating system
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