| 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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| 01/27/1981 | US4246792 Self-contained ultrasonic scanner |
| 01/27/1981 | US4246791 Ultrasonic imaging apparatus |
| 01/27/1981 | CA1094677A1 Acoustic emission transducer and system |
| 01/21/1981 | EP0022560A1 Acoustical damping for a machine |
| 01/13/1981 | US4245333 Beamforming utilizing a surface acoustic wave device |
| 01/13/1981 | US4245201 Lithium tantalate substrate |
| 01/13/1981 | US4245200 Lithium tantalate substrate |
| 01/13/1981 | US4244440 Apparatus for suppressing internally generated gas turbine engine low frequency noise |
| 01/13/1981 | US4244439 Sound-absorbing structure |
| 01/13/1981 | US4244227 Interchangeable component identification system |
| 01/13/1981 | CA1093674A1 Ultrasonic beam scanning |
| 01/07/1981 | EP0021878A1 Magnetostatic wave device comprising attenuating means, and process for its manufacture |
| 01/07/1981 | EP0021534A1 Acoustic transducer |
| 01/06/1981 | US4244037 Two dimensional imaging using surface wave acoustic devices |
| 01/06/1981 | US4243117 Sound absorbing structure |
| 01/06/1981 | US4242913 Acoustic variable focal length lens assembly |
| 01/06/1981 | CA1093029A1 Megaphone cup |
| 12/30/1980 | US4241891 Overhead arm assembly |
| 12/30/1980 | CA1092699A1 System for inspecting tubes or pipes by means for ultrasonics |
| 12/23/1980 | US4241432 Transducer-reflector system |
| 12/23/1980 | US4240295 Ultrasonic diagnosing apparatus |
| 12/16/1980 | US4240004 Ultrasonic transducer with chemical-setting inorganic cement backing for operation at high temperatures |
| 12/16/1980 | US4240003 Apparatus and method for suppressing mass/spring mode in acoustic imaging transducers |
| 12/16/1980 | US4239398 Device for attenuating noise emitted to the environment by noise-generating aggregates having simultaneous dissipation of heat |
| 12/16/1980 | US4238962 Transducer drive for ultrasonic imaging |
| 12/10/1980 | EP0020016A1 Acoustic liner for attenuating noise |
| 12/10/1980 | EP0020015A1 Acoustic liner for attenuating noise |
| 12/10/1980 | EP0019793A2 Method for determining the velocity of moving material, especially in the body, and device for this determination and for displaying parts of the body |
| 12/09/1980 | US4237901 Low and constant pressure transducer probe for ultrasonic diagnostic system |
| 12/09/1980 | US4237737 Ultrasonic imaging system |
| 12/09/1980 | US4237720 Ultrasonic particulate sensing |
| 12/09/1980 | CA1091337A1 Lens system for acoustical imaging |
| 12/02/1980 | CA1090914A1 Devices for probing by ultrasonic radiation |
| 11/27/1980 | WO1980002580A1 Hygiene absorbent and use of a plastic foil in the absorbent |
| 11/26/1980 | EP0019210A2 Acoustic spherical lens and method of manufacturing the same |
| 11/26/1980 | EP0019082A1 Method and apparatus for focusing elastic waves |
| 11/26/1980 | EP0018997A1 Improved acoustical panel. |
| 11/25/1980 | US4236095 Surface acoustic wave device comprising piezoelectric substrate having zinc oxide layer on α-alumina layer |
| 11/25/1980 | US4235111 Apparatus for ultrasonic scanning |
| 11/18/1980 | US4234940 Ultrasound transmitting or receiving apparatus |
| 11/18/1980 | US4233988 High resolution rotating head ultrasonic scanner |
| 11/18/1980 | CA1089973A1 Apparatus for the ultrasonic examination of bodies having non-planar surfaces |
| 11/12/1980 | EP0018614A1 An improved electro-acoustic transducer element |
| 11/11/1980 | US4233678 Serial phase shift beamformer using charge transfer devices |
| 11/11/1980 | US4232762 Wide-band vibration damper |
| 11/11/1980 | US4232582 Acoustical stringed musical instrument pick-up |
| 11/04/1980 | US4232381 Noise cancellation using tracking filter |
| 11/04/1980 | US4231447 Multi-layer acoustic linings |
| 11/04/1980 | US4231373 Ultrasonic imaging apparatus |
| 11/04/1980 | CA1089076A1 Stabilized-transducer driving device for underwater ultrasonic detection system |
| 11/04/1980 | CA1088871A1 Noise cancellation apparatus |
| 10/30/1980 | WO1980002304A1 Packless silencer |
| 10/28/1980 | US4229978 System for selectably pulsing ultrasonic transducers in a test apparatus |
| 10/21/1980 | US4228869 Variable volume resonators using the Belleville spring principle |
| 10/21/1980 | US4228867 Noise barrier |
| 10/21/1980 | US4228686 Fresnel focussed imaging system |
| 10/15/1980 | EP0017383A1 Ultrasonic imaging system |
| 10/15/1980 | EP0017382A1 Ultrasonic imaging system |
| 10/15/1980 | EP0017216A2 Ultrasonic transducer |
| 10/15/1980 | EP0016812A1 Sonar transmitter for generating amplitude-modulated pulses. |
| 10/14/1980 | US4227417 Dynamic focusing apparatus and method |
| 10/07/1980 | US4226162 Attachment for musical wind operated instruments |
| 10/07/1980 | CA1087291A1 Antisubmarine warfare system |
| 09/30/1980 | US4225955 Thin disk acoustic baffle system |
| 09/30/1980 | US4224829 Two-dimensional linear B-scan ultrasound diagnostic apparatus with phase and amplitude tapering |
| 09/23/1980 | US4224626 Ellipticized lens providing balanced astigmatism |
| 09/23/1980 | US4224549 Lead potassium niobate substrate member for surface acoustic wave applications |
| 09/23/1980 | US4224548 Singly rotated cut of Y-axis boule lead potassium niobate, Pb2 KNb.sub. O15, for surface acoustic wave applications |
| 09/23/1980 | US4223560 Variable delay system |
| 09/23/1980 | US4223428 Method and apparatus for securing a ferroelectric stack to a weighted projection surface |
| 09/17/1980 | EP0015886A1 An improved electro-acoustic transducer element |
| 09/17/1980 | EP0015642A1 Acoustically lagged structure |
| 09/16/1980 | US4223073 High-temperature damping composite |
| 09/16/1980 | CA1085745A1 Loudspeaker horn |
| 09/09/1980 | US4221132 Ultrasonic nondestructive testing apparatus |
| 09/03/1980 | EP0015177A1 Air-dropped buoy with aerodynamic and inertial releases |
| 09/03/1980 | EP0015159A2 A shock or pressure wave detecting transducer assembly |
| 09/03/1980 | EP0015130A1 Ultrasonic linear array beamforming apparatus |
| 09/02/1980 | US4220888 Double and triple rotated quartz plates for surface waves |
| 09/02/1980 | CA1085040A1 Ultrasonic transducer system and method |
| 08/26/1980 | US4219886 Multi-point reflective target system |
| 08/26/1980 | US4219846 Device for scanning and display by means of ultrasonic waves |
| 08/20/1980 | EP0014693A1 An improved ultrasonic transducer |
| 08/19/1980 | US4218768 Apparatus for ultrasonic scanning |
| 08/19/1980 | US4217786 Transmission cable for use with an ultrasonic device |
| 08/19/1980 | US4217684 Fabrication of front surface matched ultrasonic transducer array |
| 08/12/1980 | US4217516 Probe for ultrasonic diagnostic apparatus |
| 08/06/1980 | EP0014085A1 Air compressor equipment |
| 08/05/1980 | US4216535 System for deploying a moored sensor array |
| 08/05/1980 | US4215764 Acoustic filter |
| 08/05/1980 | US4215763 Resonant sound attenuator for transformers |
| 08/05/1980 | US4215584 Method for transmission and reception of ultrasonic beams using ultrasonic transducer element array |
| 07/29/1980 | CA1082798A1 Magnetostrictive elastic surface wave structure |
| 07/24/1980 | WO1980001486A1 Metal-containing synthetic resin molding material |
| 07/22/1980 | US4213516 Acoustical wall panel |
| 07/22/1980 | US4213344 Method and apparatus for providing dynamic focussing and beam steering in an ultrasonic apparatus |
| 07/15/1980 | US4213104 Vacuum encapsulation for surface acoustic wave (SAW) devices |
| 07/15/1980 | US4212369 Sound-absorbing covering, especially radiator covering for motor vehicles |
| 07/09/1980 | EP0013029A1 Device for adjustably focussing transmitted and/or received sound radiation |
| 07/09/1980 | EP0012938A2 Ultrasonic transducer with optimal lateral resolution and method for its manufacture |