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