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)
07/1980
07/08/1980US4212084 Beam-former for FFT-based signal processor
07/08/1980US4211949 Wear plate for piezoelectric ultrasonic transducer arrays
07/08/1980US4211948 Front surface matched piezoelectric ultrasonic transducer array with wide field of view
07/01/1980US4210095 Machine for draining parts emerging from hot galvanizing baths
07/01/1980CA1080632A2 Ear protection device for hard hat
06/1980
06/24/1980US4209856 Acoustic devices
06/24/1980US4209759 Magnetoelastic surface wave interaction device
06/24/1980US4209725 Selenium layer piezoelectric device
06/24/1980US4208917 Device for inspecting spot welds
06/24/1980US4208916 Electronic ultrasonic sector scanning apparatus and method
06/24/1980CA1080338A1 Hard clipped beam former
06/17/1980US4208738 Deployable sonar array with interconnected transducers operated in the bending mode
06/17/1980US4208602 Piezoelectric ultrasonic scanning head using a beryllium mirror
06/17/1980US4207964 Sound absorbing and diffusing unit, an acoustic screen and a decorative sound absorbing panel
06/17/1980US4207901 Ultrasound reflector
06/17/1980US4207883 Hood assembly with noise filter
06/12/1980WO1980001183A1 Improved acoustical wall panel
06/11/1980EP0012070A1 Pneumatic speaker with constant fluid flow
06/11/1980EP0011830A1 Highly filled thermoplastic compositions based on ethylene interpolymers and processing oils and their use as carpet backside coating
06/10/1980US4207626 Acoustic decoy and jammer
06/10/1980US4207621 Electrically steerable sonar system
06/10/1980US4206831 Loudspeaker coupler
06/10/1980US4206653 Ultrasonic apparatus
06/10/1980CA1079393A1 Transducer assembly and method for radiating and detecting energy over controlled beam width
06/10/1980CA1079201A1 Sound suppressor liners
06/10/1980CA1079197A1 Acoustical apparatus
06/03/1980US4205686 Ultrasonic transducer and examination method
06/03/1980CA1078953A1 Apparatus for measuring the radial dimensions of a cylindrical tube by ultrasonics
05/1980
05/29/1980WO1980001127A1 Electroacoustic transducer filter assembly
05/27/1980US4204435 Devices using ultrasounds for forming images, in particular for _the internal examination of the human body
05/13/1980US4203165 Acoustic filter
05/13/1980US4203162 Electrically steerable spherical hydrophone array
05/13/1980US4203089 Electro-hydroacoustic transducer
05/13/1980CA1077615A1 Integrally sintered ceramic complex and method of manufacturing the same
04/1980
04/30/1980EP0010492A2 Liquid crystal acousto-optic cell and visualisation device comprising such a cell
04/29/1980US4200923 Steered time compressor beam former
04/29/1980US4200858 Acoustic wave scanning apparatus
04/29/1980CA1076693A1 Ultrasonic probe
04/22/1980US4199634 Methods of making sound insulation moldable carpets
04/22/1980US4199295 Method and device for reducing the noise of turbo-machines
04/22/1980CA1076014A1 Heat and sound insulator of curved corrugated paperboard and method of shaping same
04/15/1980US4197921 Anti-reflective acoustic wavefront refraction element
04/15/1980US4197920 Underwater acoustic reflectors
04/15/1980US4197751 Pulse-echo ultrasonic wave-energy imaging system incorporating high-angular velocity oscillated transducer
04/15/1980US4197749 Ultrasonic wave energy electronic B-scan imaging apparatus
04/15/1980CA1075804A1 High resolution pulse echo ultrasonic imaging display system
04/08/1980US4196630 Overhead arm assembly
04/01/1980CA1074902A1 High resolution pulse echo ultrasonic display system
04/01/1980CA1074901A1 High resolution pulse echo ultrasonic imaging display system
04/01/1980CA1074900A1 High resolution pulse echo ultrasonic imaging display system
04/01/1980CA1074899A1 High resolution pulse echo ultrasonic imaging display system
04/01/1980CA1074898A1 Ultrasonic imaging system
03/1980
03/25/1980US4195361 Variable frequency acoustic filter
03/25/1980US4194590 Loudspeaker horn with adjustable angle of dispersion
03/25/1980US4194510 Ultrasonic focusing system
03/20/1980WO1980000497A1 Sonar
03/19/1980EP0008637A1 Electronic ultrasonic sector scanning apparatus and method
03/18/1980US4194246 Noisemaker beacon
03/18/1980US4193473 Refractive stigmatic system for elastic surface waves
03/11/1980US4193057 Automatic deployment of horizontal linear sensor array
03/11/1980US4192977 Highly directional ultrasonic electret transducer
03/11/1980CA1073265A1 Equipment with initiator generating a shock wave and with a damping device
03/11/1980CA1073195A1 Light transmissable high density elastic resin composition
03/04/1980US4191798 Highly filled thermoplastic compositions based on ethylene interpolymers and processing oils
03/04/1980CA1073092A1 Device for echography by means of focussed ultrasonic beams
03/04/1980CA1072882A1 Sound-absorption panel
02/1980
02/26/1980US4190131 Noise abatement techniques and systems
02/26/1980CA1072534A1 Polymeric materials for eliminating squeal in disc brakes
02/26/1980CA1072434A1 Noise control materials
02/19/1980US4189703 System for deploying a sensor array from transiting vessel
02/19/1980US4189627 Electroacoustic transducer filter assembly
02/19/1980US4189516 Surface acoustic wave device
02/19/1980US4189027 Sound suppressor liners
02/12/1980US4187926 Loudspeaker horn
02/12/1980CA1071795A1 Soundproofing structures of agglomerated polymeric fibrils or fibrids
02/07/1980WO1980000193A1 High resolution rotating head ultrasonic scanner
02/07/1980WO1980000187A1 Device for measuring vibrations
02/06/1980EP0007864A1 Sonar beam formation by means of charge transfer devices
02/05/1980US4187556 Electro-acoustic transducer with line focus
02/05/1980US4186747 Ultrasonic diagnosing apparatus
01/1980
01/29/1980US4186374 Transducer housing with release mechanism
01/29/1980US4186234 Translucent sound barriers
01/29/1980US4185502 Transducer coupling apparatus
01/29/1980US4185501 Ultrasonic sector scanner
01/23/1980EP0007310A1 Acoustic variable focal length lens assembly
01/23/1980EP0007309A1 Pulse-echo ultrasonic wave-energy imaging system incorporating high-angular velocity oscillated transducer
01/23/1980EP0007308A1 Ultrasonic wave energy electronic b-scan imaging apparatus
01/22/1980US4185167 Sound masking package
01/22/1980US4184638 Low noise level, pressure fluid spouting device
01/22/1980US4184562 Multi-directional assemblies for sonic logging
01/22/1980US4184471 Sound proof encapsulated engine, especially an internal combustion engine
01/22/1980CA1070418A1 Fluid coupled test probe
01/15/1980US4184094 Coupling for a focused ultrasonic transducer
01/15/1980US4183572 Railway flanged wheel vibration dampening assembly
01/15/1980US4183249 Lens system for acoustical imaging
01/15/1980CA1070008A1 Method of and apparatus for monitoring slag depth in refining crucible
01/15/1980CA1069831A1 Means and method for damping sound vibrations in hollow elongated members
01/09/1980EP0006426A1 Vibrations-measuring device
01/09/1980EP0006197A1 Ultrasonic imaging apparatus and use thereof for medical ultrasonic diagnostics
01/08/1980US4182543 Ruggedized acousto-optic waveguide