| 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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| 05/15/1984 | US4449211 Low drag body conformal acoustic array |
| 05/15/1984 | US4448076 Method and device for examination by means of ultrasonic beams |
| 05/15/1984 | US4448075 Ultrasonic scanning apparatus |
| 05/15/1984 | CA1167385A1 Sound muffling baffle for drainage device |
| 05/10/1984 | WO1984001830A1 Inherent delay line ultrasonic transducer and systems |
| 05/08/1984 | US4447493 Vibration-damping constrained-layer constructions |
| 05/02/1984 | EP0107552A1 Interferometric sonar apparatus using non-linear acoustic properties |
| 05/02/1984 | EP0107287A2 Ultrasonic beam focusing device with a concave surface and method of manufacturing the same |
| 05/01/1984 | US4446539 Sonic logging tool |
| 05/01/1984 | US4446395 For producing lesions in selected body tissues |
| 05/01/1984 | US4445380 Selectable focus sphericone transducer and imaging apparatus |
| 05/01/1984 | CA1166740A1 Ultrasound imaging system combining static b-scan and real-time sector scanning capability |
| 04/25/1984 | EP0106833A2 Sound deadening lining to cover up noise sources |
| 04/25/1984 | EP0106292A2 Ultrasonic sector scanner having fluid replacement capability |
| 04/25/1984 | EP0105966A1 Ultrasonic testing apparatus |
| 04/24/1984 | US4445207 Frequency independent acoustic antenna |
| 04/24/1984 | US4444197 Ultrasonic diagnostic probe scanner |
| 04/24/1984 | CA1166342A1 Sonobuoy having a neutrally buoyant sensor |
| 04/24/1984 | CA1166139A1 Acoustical laminate construction and attenuated systems comprising same |
| 04/17/1984 | US4443733 Tapered wave transducer |
| 04/17/1984 | US4442713 Frequency varied ultrasonic imaging array |
| 04/17/1984 | CA1165858A1 Acoustic impedance matching device |
| 04/17/1984 | CA1165856A1 Precision ultrasound measurement |
| 04/12/1984 | WO1984001434A1 Ultrasonic imaging system with correction for velocity inhomogeneity and multipath interference, using an ultrasonic imaging array |
| 04/12/1984 | WO1984001433A1 Variable delay memory system |
| 04/10/1984 | US4441578 Encapsulated bulk absorber acoustic treatments for aircraft engine application |
| 04/10/1984 | US4441576 In a sound reducing or attenuating enclosure |
| 04/10/1984 | US4441503 For a sector scan imaging system |
| 04/10/1984 | US4441486 Method of ultrasonically heating a subject volume |
| 04/04/1984 | EP0104929A2 Annular array ultrasonic transducers |
| 04/04/1984 | EP0104928A2 Ultrasonic diagnostic imaging systems for varying depths of field |
| 04/04/1984 | EP0104843A2 Transducer device |
| 04/04/1984 | EP0104660A2 Self-adaptive echo canceller capable of keeping a degree of cancellation substantially invariable even at a low incoming level |
| 04/04/1984 | EP0104357A1 Silencer lining |
| 04/03/1984 | US4440025 Arc scan transducer array having a diverging lens |
| 03/29/1984 | WO1984001233A1 Ultrasonic measurement |
| 03/27/1984 | US4439847 High efficiency broadband directional sonar transducer |
| 03/27/1984 | US4439644 Loud speaker enclosure |
| 03/27/1984 | US4439497 Ultrasonic sound absorber |
| 03/27/1984 | CA1164355A1 Horn speaker |
| 03/21/1984 | EP0103257A1 Method and apparatus to reduce static noise |
| 03/21/1984 | EP0103256A1 Method and apparatus to eliminate both acoustical and mechanical vibrational effects |
| 03/20/1984 | US4438526 Automatic volume and frequency controlled sound masking system |
| 03/20/1984 | US4437468 Ultrasound scanning system with semi-independent transducer array |
| 03/20/1984 | US4437348 Ultrasonic imaging apparatus |
| 03/14/1984 | EP0102910A1 Conveyor cover for acoustic and sterile isolation |
| 03/14/1984 | EP0102617A2 Communication device for motorcyclists' safety helmets |
| 03/13/1984 | US4437032 Sensor for distance measurement by ultrasound |
| 03/13/1984 | US4436179 Noise control apparatus |
| 03/13/1984 | US4435985 Acoustic coupling device |
| 03/07/1984 | EP0102179A1 Selectable focus ultrasonic transducers for diagnostic imaging |
| 03/07/1984 | EP0034592B1 A method of reducing the adaption time in the cancellation of repetitive vibration |
| 03/06/1984 | US4435751 Vibration/noise reduction device for electrical apparatus |
| 03/06/1984 | US4434799 Ultrasound apparatus for medical examinations |
| 03/06/1984 | US4434662 Ultrasonic image generating apparatus |
| 03/06/1984 | CA1163334A1 Magnetostatic wave device containing attenuation means and the way of making it |
| 03/06/1984 | CA1163202A1 Loudspeaker or microphone arrangement having a direction - and frequency-independent behavior |
| 02/29/1984 | EP0101509A1 Ultrasonic transducers. |
| 02/29/1984 | EP0101439A1 Method and apparatus for selective cell destruction |
| 02/28/1984 | US4433691 Moving torque coil oscillatory drive member |
| 02/28/1984 | US4433582 Damping device for use with acoustic information generation machines |
| 02/28/1984 | US4433461 Method of manufacturing an acoustic spherical lens |
| 02/28/1984 | CA1162729A1 Porous layer for composite sound proofing unit, and related manufacuring process |
| 02/22/1984 | EP0100860A1 Ultrasonic scanning device |
| 02/21/1984 | US4433398 Ultrasonic transducer |
| 02/21/1984 | US4433397 Circuit arrangement for the formation and processing of group signals |
| 02/21/1984 | US4433396 Sonar receivers |
| 02/21/1984 | US4433021 Aluminum, steel, and non-metallic fabric |
| 02/21/1984 | US4432433 Noise reducing cover for internal combustion engine |
| 02/21/1984 | US4432371 Ultrasound scanhead |
| 02/14/1984 | US4431936 Transducer structure for generating uniform and focused ultrasonic beams and applications thereof |
| 02/14/1984 | CA1162286A1 Mechanical sector scanner head and power train |
| 02/14/1984 | CA1162285A1 Ultrasonic apparatus for sector scanning |
| 02/08/1984 | EP0100147A2 Vibration-damping constrained-layer constructions |
| 02/07/1984 | US4430593 Acoustic transducer |
| 02/07/1984 | US4430286 Curable binder |
| 02/07/1984 | US4429762 Horn loudspeakers of the sectorial diffusion type, and method for making said loudspeakers |
| 02/07/1984 | CA1161766A1 Active acoustic attenuator |
| 02/07/1984 | CA1161764A1 Sound reducing means |
| 02/02/1984 | WO1984000434A1 Electronic outdoor warning siren |
| 01/31/1984 | US4429193 Electret transducer with variable effective air gap |
| 01/31/1984 | US4429192 Electret transducer with variable electret foil thickness |
| 01/31/1984 | US4428268 Self-contained guitar amplification system |
| 01/31/1984 | CA1161537A1 Apparatus for producing artificial reverberations |
| 01/24/1984 | US4427913 Acoustic diffractometer |
| 01/24/1984 | US4427912 Ultrasound transducer for enhancing signal reception in ultrasound equipment |
| 01/24/1984 | US4426886 Ultrasonic scanner |
| 01/24/1984 | CA1161178A1 Acoustic damping |
| 01/24/1984 | CA1160959A1 Packless silencer |
| 01/18/1984 | EP0098599A2 Elastic surface wave device |
| 01/18/1984 | EP0098594A2 A method and apparatus for controlling the sound field in a vehicle cabin or the like |
| 01/18/1984 | EP0098558A2 Ultrasonic scanning apparatus |
| 01/17/1984 | US4425980 Beam dampers for damping the vibrations of the skin of reinforced structures |
| 01/17/1984 | CA1160727A1 Transmitter for ultrasonic imaging apparatus |
| 01/11/1984 | EP0098202A1 Ultrasonic probe and acoustic imaging system using this probe |
| 01/11/1984 | EP0097642A1 Acoustical wax on a surface wave device |
| 01/10/1984 | US4424813 Multi-mode ultrasound scanner |
| 01/03/1984 | US4423637 Ultrasonic testing instrument and method |
| 12/28/1983 | EP0096684A1 Improved method of an apparatus for cancelling vibrations from a source of repetitive vibrations. |
| 12/27/1983 | US4423494 Beam steerable sonar array |