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)
02/1988
02/16/1988US4725989 Method controlling the focusing of an ultrasonic field and apparatus for performing said method
02/16/1988US4725988 System for deploying an array of sonar projectors
02/16/1988US4724922 Acoustic earpiece
02/11/1988DE3626349A1 Moulding composition for a crosslinked foam for sound insulation applications, comprising polyolefins and ethylene-propylene rubber, and process for the production of the foam
02/04/1988DE3722942A1 Coupler for ultrasonic transducer probe
02/03/1988EP0255473A1 Method for manufacturing a sound-absorbing element
02/03/1988EP0255361A2 Quartz crystal for surface acoustic wave device
02/03/1988EP0255360A2 Quartz crystal for surface acoustic wave device
02/03/1988EP0255332A2 Automotive trim panel
02/03/1988EP0255195A2 Notch filter
02/02/1988US4722346 Stand-off device with special fluid
01/1988
01/27/1988EP0254104A1 Shock-wave generator for producing an acoustic shock-wave pulse
01/26/1988US4721874 Apparatus and method for determining the viscosity of a fluid sample
01/26/1988US4721108 Generator for a pulse train of shockwaves
01/26/1988US4721106 Piezoelectric transducer for destruction of concretions inside the body
01/21/1988DE3623789A1 Multilayer, three-dimensionally formed cover element for oscillating surfaces
01/20/1988EP0253376A2 Adhesive isolation system
01/20/1988EP0253268A1 Ultrasonic Probe
01/19/1988CA1231646A1 Noise-preventing structure for mixed water cocks
01/14/1988WO1988000221A1 Sound deadening material
01/13/1988EP0252764A2 Method and apparatus for testing transducers
01/13/1988EP0252647A1 Aircraft cabin noise control apparatus
01/12/1988US4719480 Spatial stablization of standing capillary surface waves
01/12/1988US4719476 In combination with a volume of liquid
01/12/1988US4718421 Ultrasound generator
01/12/1988CA1231431A1 Fully wetted mechanical ultrasound scanhead
01/07/1988EP0251698A2 Boresonic inspection system
01/07/1988EP0250883A2 Damping layer
01/05/1988USH417 Headset for ambient noise suppression
01/05/1988US4717851 Adaptation layer for an ultrasound applicator
01/05/1988US4716814 Muffler for brake booster system
12/1987
12/30/1987WO1987007974A1 Aircraft cabin noise control apparatus
12/29/1987US4715559 Apparatus and method for global noise reduction
12/29/1987US4715473 Foam acoustic absorption member
12/29/1987US4715376 Isolation of gas in hydraulic spark gap shock wave generator
12/29/1987US4715375 Degassification of water in hydraulic spark gap shock wave generator
12/23/1987EP0249965A1 Ultrasonic apparatus
12/22/1987US4714133 Method and apparatus for augmentation of sound by enhanced resonance
12/15/1987US4713799 Ultrasonic horn with sidelobe suppressing centerpiece
12/15/1987US4713277 Foamed metal and method of producing same
12/15/1987US4712428 Ultrasonic flaw detector probe
12/09/1987EP0248532A1 Compressional wave hyperthermia treating method and apparatus
12/08/1987US4712247 Electro-acoustic system having a variable reflection/absorption characteristic
12/08/1987US4712201 Acoustic self-guidance systems for submarine vehicles
12/08/1987US4712037 Resonant piezoelectric sensor
12/03/1987WO1987007421A1 Ultrasonic field generation
12/02/1987EP0247916A1 Positioning device for an exploratory probe
12/02/1987CN87103425A Material for antidrumming linings and procedures for manufacturing antidrumming linings from this material
12/01/1987USH387 Wavelength filter for marine seismic cables
12/01/1987US4710749 Siren with remote driver
12/01/1987CA1229801A1 Reflective acoustical damping device for rooms
11/1987
11/25/1987EP0246711A2 A device for recognising the shape and dimension of bottles or the like
11/25/1987EP0246464A1 Sound-absorbing layer for a wall or covering
11/25/1987EP0246460A1 Process for the measurement of alternating electric or magnetic fields and arrangement for carrying out the process
11/24/1987US4709358 Bridle configuration for towed underwater vehicle
11/19/1987EP0245636A1 Sound damping panel
11/17/1987US4707813 Ultrasound apparatus permitting dynamic variation of the position of the reception focus
11/17/1987US4707397 Rubber with alpha, beta-unsaturated carboxylate group, polymerizable monomer, cured
11/17/1987CA1229405A1 Jellyfish array
11/17/1987CA1229307A1 Container through which a gas flows, preferably a muffler, with fiberglass filling and method and apparatus for filling the same
11/12/1987DE3714578A1 Process and device for disintegrating pipe blockages
11/11/1987EP0244755A1 Construction part with acoustical characteristics
11/11/1987EP0244615A2 Sound absorbing covering material and method of making antidrum coverings with such material
11/11/1987CN87103332A Compressional wave hyperthermia treating method & apparatus
11/11/1987CN85204689U Improved portable megaphone without amplifier circuit and power supply
11/10/1987US4706295 Coaxial loudspeaker system
11/10/1987US4706229 Electroacoustic transducer
11/10/1987US4705139 Sound insulation part for surfaces
11/05/1987WO1987006790A1 Ultrasonic transducer
11/05/1987DE3713780A1 Arrangement for the attenuation, reduction or compensation of sound waves or noise
11/05/1987DE3614229A1 Process and apparatus for blow-moulding hollow bodies from a tubular parison of plastic
11/04/1987EP0243650A1 Shockwave generator with an improved focus zone
11/04/1987EP0243433A1 Transfer function generation for active noise cancellation
11/03/1987US4704708 Acoustic borehole logging tool
11/03/1987US4703829 Collapsible and portable megaphone
11/03/1987CA1228911A1 Surface acoustic wave passive transponder having acoustic reflectors
10/1987
10/28/1987EP0243240A1 Partially transportable and re-usable acoustical route-plotting device
10/28/1987EP0243118A2 Spatial stabilization of standing capillary surface waves
10/28/1987EP0243117A2 Spatially addressable capillary wave droplet ejectors
10/28/1987EP0242565A1 Device for the fragmentation of concretions
10/27/1987US4702249 Apparatus for the non-contact disintegration of concrements present in a body
10/20/1987US4701749 Electroacoustic calling device with universal bearing supporting a sound aperture closure member
10/20/1987US4700575 Ultrasonic transducer with shaped beam intensity profile
10/20/1987US4700573 Ultrasonic system
10/15/1987DE3612204A1 Device for reducing noise
10/14/1987EP0241380A1 Method and device for focusing an antenna array at a test point
10/14/1987EP0240923A1 Shoke wave generator with a piezo ceramic transducer
10/14/1987EP0240797A1 Shockwave generator with increased efficiency
10/13/1987US4700333 Hydrophone design to overcome reduction in leakage resistance between electrode surface of transducer element assembly and the water in which the hydrophone is immersed
10/13/1987US4699150 Ultrasonic transducer assembly for medical diagnostic examinations
10/13/1987US4699009 Dynamically focused linear phased array acoustic imaging system
10/07/1987EP0239999A2 Ultrasonic probe having an ultrasonic propagation medium
10/07/1987EP0239981A2 Multiple-glazing unit shielding against external eaves-dropping
10/06/1987US4698541 Broad band acoustic transducer
10/06/1987US4697588 Shock wave tube for the fragmentation of concrements
10/06/1987CA1227837A1 Narrow-band beam steering system
10/06/1987CA1227757A1 Acoustical material
09/1987
09/30/1987EP0239307A2 Miniature dual cavity ringer
09/30/1987EP0239167A1 Apodized ultrasonic echograph provided with a linear array of piezoelectric transducers, and method of making such an array
09/30/1987EP0238772A1 Apparatus for the disintegration of body calculi