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)
12/1983
12/27/1983US4423289 Signal processing systems
12/27/1983US4422332 Dynamic focusing and sectorial scanning echography device
12/27/1983CA1159545A1 Ultrasonic volume measuring system
12/20/1983US4421811 Method of manufacturing double layer attenuation panel with two layers of linear type material
12/20/1983US4421455 Duct lining
12/20/1983US4421201 High efficiency broadband acoustic resonator and absorption panel
12/20/1983US4421200 Elliptically shaped transducer enclosure
12/20/1983US4421118 Ultrasonic transducer
12/20/1983US4420979 Ultrasonic microscope
12/13/1983US4420825 Element-sited beamformer
12/13/1983US4420707 Backing for ultrasonic transducer crystal
12/13/1983US4420526 Sound absorbing irregularly shaped panel
12/07/1983EP0095619A2 Couple medium for acoustic coupling at high temperatures, and method for its application
12/07/1983EP0095582A1 Sound insulated flow channel and method of making the same
12/06/1983US4419637 Magnetostatic wave dioptric device
12/06/1983US4419045 Method and device for reducing the noise of turbo-machines
12/06/1983US4418787 Hearing aid with audio path duct extension element, and extension element attachment
12/06/1983US4418698 Ultrasonic scanning probe with mechanical sector scanning means
11/1983
11/30/1983EP0095383A2 Ultrasonic imaging device
11/30/1983EP0095125A2 Plane element for sound-wave absorption
11/29/1983US4417480 Dampened ultrasonic transducer
11/24/1983WO1983004127A1 Improvements relating to focussing apparatus
11/22/1983US4417313 Method for optimizing the design of a finite noise barrier
11/22/1983US4417098 Method of reducing the adaption time in the cancellation of repetitive vibration
11/22/1983US4416349 Viscoelastically damped reinforced skin structures
11/16/1983EP0094155A1 A vibration sensing probe
11/16/1983EP0093923A1 Sound reducing heat insulation
11/15/1983CA1157140A1 Ultrasound examination apparatus comprising a mosaic of transducers of an electrostrictive material
11/09/1983EP0093277A1 Ultra sound applicator
11/09/1983EP0028239B1 Sound absorbent
11/08/1983US4413704 Ellipticized acoustical liquid filled lens providing balanced astigmatism
11/08/1983US4413520 Ultrasonic imaging apparatus
11/02/1983EP0092718A1 Ultrasonic transducer
11/02/1983EP0092717A1 Ultra sound applicator
11/01/1983US4413332 Scanning beamformer for a very high resolution circular arc sonar
11/01/1983US4413253 Miniature sounder with double tuned cavity
11/01/1983US4413198 Piezoelectric transducer apparatus
10/1983
10/27/1983WO1983003700A1 Method of and apparatus for active vibration isolation
10/26/1983EP0092362A2 Nonlinear passive acoustic filtering
10/26/1983EP0091926A1 Improved method and apparatus for cancelling vibrations.
10/18/1983US4410826 Ultrasonic imaging apparatus using a coupling fluid mixture of propylene oxide, ethylene oxide derivative and glycerine
10/18/1983US4410065 Multi-layer acoustic linings
10/18/1983US4409982 Ultrasonic step scanning utilizing curvilinear transducer array
10/18/1983US4409839 Ultrasound camera
10/12/1983EP0091413A2 Container through which a gas flows, preferably a muffler, with fiberglass filling and method and apparatus for filling the same
10/11/1983US4409588 Miniature sounder with multi-part tuned cavities
10/11/1983US4408612 Ultrasonic scanning device for examining viscera
10/11/1983US4408611 Probe for ultrasonic imaging apparatus
10/11/1983US4408494 Ultrasound measuring instrument
10/05/1983EP0090567A1 Ultrasonic sector-scan probe
10/05/1983EP0090138A2 Apparatus for the disintegration of concretions in living bodies
10/04/1983US4407293 Ultrasound imaging apparatus for providing simultaneous B-scan and Doppler data
10/04/1983CA1154861A1 Ultrasonic transducer with a piezoelectric plastic receiving layer
10/04/1983CA1154689A1 Method and apparatus for masking sound
09/1983
09/28/1983EP0089682A1 Equipment to be adapted to a commercially available ultrasonic diagnostic device, in particular for the examination of the breasts or the testicles
09/27/1983US4406242 Oceanographic sensor system
09/21/1983EP0089131A2 Low pressure fluid-filled ultrasound transmission chamber
09/20/1983CA1153952A1 Sound barrier material
09/14/1983EP0088620A2 An ultrasonic probe for diagnostic examination of the interior of body cavities
09/14/1983EP0088569A2 Multiple beam lens transducer for sonar systems
09/14/1983EP0020704B1 Electroacoustic assembly
09/13/1983US4404315 Molding compositions and diaphragms, arm pipes and head shells molded therefrom
09/07/1983EP0087908A1 Electro-acoustic calling devices
09/06/1983US4403311 Acoustic imaging system
09/06/1983US4402223 Ultrasonic sector scanner utilizing rotating transducer
09/06/1983US4402221 Acoustic suspension system
09/01/1983WO1983003000A1 Ultrasonic transducers and applications thereof
08/1983
08/31/1983EP0087318A2 Ultrasonic diagnostic apparatus
08/31/1983EP0087184A1 Interference suppression unit for a sonar apparatus
08/31/1983EP0086973A2 Tuned vibration detector
08/31/1983EP0086801A1 Loudspeaker horn
08/30/1983US4401957 Permutating analog shift register variable delay system
08/30/1983US4401910 Multi-focus spiral ultrasonic transducer
08/30/1983CA1153098A1 Fluid container for use in ultrasonic scanning and scanning method using same
08/30/1983CA1153097A1 Rotating ultrasonic scanner
08/30/1983CA1152729A1 Curved array of sequenced ultrasound transducers
08/23/1983US4400805 Acoustically filtered transducer
08/23/1983US4399704 Ultrasound scanner having compound transceiver for multiple optimal focus
08/23/1983US4399703 Ultrasonic transducer and integral drive circuit therefor
08/18/1983WO1983002844A1 Convertor for electro-mechanical vibration conversion
08/18/1983WO1983002793A1 An acoustic device
08/18/1983WO1983002718A1 Method and apparatus for selective cell destruction
08/17/1983EP0086184A2 Sound damping device
08/17/1983EP0086006A1 Ultrasonic transmitter
08/17/1983EP0085691A1 Method and apparatus for low frequency active attenuation.
08/16/1983US4399526 Acoustic baffle for high-pressure service, modular design
08/16/1983US4399387 Ultrasonic wave transducer
08/16/1983US4399328 Direction and frequency independent column of electro-acoustic transducers
08/16/1983US4398539 Extended focus transducer system
08/16/1983US4398425 Ultrasonic scanning transducer
08/16/1983US4398424 Ultrasonic sensing
08/16/1983US4398398 Acoustical heat pumping engine
08/16/1983US4398325 Process for producing ultrasonic transducers having complex shapes
08/02/1983US4396089 Sound muffling cup
08/02/1983US4395912 Apparatus for ultrasonic scanning
08/02/1983CA1151285A1 Acoustic transducer with a quarter wavelength adaptation layer as a receiver
08/02/1983CA1151076A1 Acoustic hood with glare shield
07/1983
07/27/1983EP0084466A1 Antenna system with increased resolving power
07/26/1983US4395652 Ultrasonic transducer element
07/26/1983CA1150815A1 Parametric array doppler sonar apparatus