| 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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| 06/21/1977 | US4030344 Apparatus for recording an ultrasonic sectional view |
| 06/14/1977 | US4029395 Method for altering the focal zone of a lens system |
| 06/14/1977 | US4028934 Ultrasonic stereoscopic imaging device |
| 06/14/1977 | US4028933 Acoustic microscope |
| 06/07/1977 | US4028504 Acoustic amplifier combined with transducer shock mount |
| 06/07/1977 | US4027644 Isolated engine cover |
| 05/31/1977 | US4027115 Electroacoustic sound generator |
| 05/24/1977 | US4025894 Method and apparatus for improving the directional characteristic of an echo sounder receiving base |
| 05/24/1977 | US4025805 Conical transducer and reflector apparatus |
| 05/24/1977 | US4025724 Noise cancellation apparatus |
| 05/24/1977 | US4025722 Method and apparatus for recording |
| 05/17/1977 | US4024535 Sound generating system for a sound masking package |
| 05/17/1977 | US4023651 Damping vibrations in sheet material |
| 05/03/1977 | US4021773 Acoustical pick-up for reception of signals from a drill pipe |
| 05/03/1977 | US4020679 Sled for ultrasonic NDT system |
| 04/26/1977 | US4020452 Apparatus for use in investigating earth formations |
| 04/26/1977 | US4020446 Ultrasonic wave transmitting system |
| 04/26/1977 | US4019373 Ultrasonic transducer mounting and coupling assembly |
| 04/19/1977 | US4019200 Monolithic surface acoustic wave signal storage device |
| 04/19/1977 | US4019169 Ultrasonic wave transmitting and receiving apparatus |
| 04/12/1977 | US4016751 Ultrasonic beam forming technique |
| 04/05/1977 | US4016530 Broadband electroacoustic converter |
| 04/05/1977 | US4016436 Sonic or ultrasonic processing apparatus |
| 04/05/1977 | US4015682 Protecting system for roadway adjacent areas |
| 03/29/1977 | US4014207 Sector scanning ultrasonic inspection apparatus |
| 03/22/1977 | US4013990 Bellows caging mechanism for airborne hydrophone |
| 03/22/1977 | US4013983 Surface wave electro-mechanical device |
| 03/22/1977 | US4012952 Ultrasonic system |
| 03/15/1977 | US4012711 Process and apparatus for recording acoustical holograms |
| 03/15/1977 | US4011750 Method and apparatus for ultrasonic examination of objects |
| 03/15/1977 | US4011747 Method and apparatus for acoustic scanning using waves scattered by an acoustic grating |
| 03/08/1977 | US4010818 Flexible noise barrier material |
| 03/08/1977 | US4010635 Sonic interference suppressor |
| 03/01/1977 | US4010324 Background noisemasking system |
| 03/01/1977 | US4010134 Plaster mixture consisting of an aqueous polymer dispersion containing pigment and filler |
| 02/08/1977 | US4007436 Self-deploying instrument assembly |
| 01/25/1977 | US4005382 Signal processor for ultrasonic imaging |
| 01/18/1977 | US4004265 Self-propelled array system |
| 01/18/1977 | US4003383 Apparatus for locally irradiating a part of a living body |
| 01/18/1977 | US4003264 Device for measuring and registering of sound |
| 01/11/1977 | US4003016 Digital beamforming system |
| 01/11/1977 | US4002221 Method of transmitting ultrasonic impulses to surface using transducer coupling agent |
| 01/04/1977 | US4001767 Low diffraction loss-low spurious response LiTaO3 substrate for surface acoustic wave devices |
| 01/04/1977 | US4001766 Acoustic lens system |
| 01/04/1977 | US4001763 Electronically stabilized beam former system |
| 01/04/1977 | US4000670 Method and apparatus for noise suppression |
| 12/14/1976 | US3997717 Ultrasonic wave radiation pattern display system incorporating phase contrast means |
| 12/14/1976 | US3997020 Sound absorber |
| 12/14/1976 | US3996792 Supersonic wave flaw detecting apparatus |
| 12/07/1976 | US3996145 Alumina, alumina-silica or zirconia |
| 11/30/1976 | US3995179 Damping structure for ultrasonic piezoelectric transducer |
| 11/30/1976 | US3994363 Composite noise absorption product |
| 11/23/1976 | US3993879 Acoustical communications headset |
| 11/23/1976 | US3993162 Acoustic speaker system |
| 11/16/1976 | US3991850 Noise-attenuating positioners for acoustic well-logging tools |
| 11/16/1976 | US3991849 Sound absorption with variable acoustic resistance means |
| 11/09/1976 | US3990535 Vibration damping device for levers |
| 11/09/1976 | US3990300 Moving ultrasonic transducer array |
| 11/02/1976 | US3990035 Housing configuration for high resolution sonar |
| 11/02/1976 | US3989415 Silencing housing for a machine plant |
| 11/02/1976 | US3989216 Transducer mounting bracket |
| 11/02/1976 | US3989213 Portable bracket for electronic transducer |
| 10/12/1976 | US3985957 Sound masking system for open plan office |
| 10/12/1976 | US3985198 Sound deadening laminate |
| 10/05/1976 | US3984054 Nozzle |
| 10/05/1976 | US3983955 Arrangement for damping sound with resonators |
| 09/28/1976 | US3983529 Detector for use in acoustic holography |
| 09/28/1976 | US3982607 Loudspeaker cabinet having an integrally constructed horn |
| 09/21/1976 | US3982223 Composite acoustic lens |
| 09/21/1976 | US3982142 Piezoelectric transducer assembly and method for generating a cone shaped radiation pattern |
| 09/14/1976 | US3980985 Suspension system for directional hydrophones |
| 09/14/1976 | US3980984 Underwater connector |
| 09/14/1976 | US3980827 Diversity system for noise-masking |
| 09/07/1976 | US3978813 Propeller-driven hydrophone array tensioning device |
| 09/07/1976 | US3978731 Surface acoustic wave transducer |
| 09/07/1976 | US3978714 Method of ultrasonic echo flaw detection and device for effecting same |
| 08/31/1976 | US3977492 Acoustical material for use in association with noise generating machinery |
| 08/17/1976 | US3975698 Fiber acoustic waveguide and system |
| 08/17/1976 | US3975007 Resilient mounting structure |
| 08/17/1976 | US3974684 Ultrasonic system for focusing at an oblique angle of incidence |
| 08/10/1976 | US3974476 Highly-directional acoustic source for use in borehole surveys |
| 08/10/1976 | US3974475 Method of and apparatus for focusing ultrasonic waves in a focal line |
| 08/10/1976 | US3974464 Acoustic ridge waveguide |
| 08/03/1976 | US3973236 Horizontal hydrophone array |
| 08/03/1976 | US3973152 Ultrasonic transducer with laminated coupling wedge |
| 08/03/1976 | US3972383 Sound absorption with variable acoustic resistance means by oscillatory air pressure signal |
| 08/03/1976 | US3972227 Method of ultrasonic measurements |
| 07/20/1976 | US3970879 Piezoelectric acoustic device |
| 07/20/1976 | US3969926 Alignment of ultrasonic transducer probe in pulse-echo testing |
| 07/06/1976 | US3968459 Ultrasonic driver transducer |
| 07/06/1976 | US3968055 Method of preparing conductive room temperature vulcanizing material |
| 07/06/1976 | US3967693 Apparatus for dismissing or decreasing sound's energy |
| 06/29/1976 | US3967234 Depth-of-field arc-transducer and sonar system |
| 06/29/1976 | US3967233 Sonar system for classifying submerged objects |
| 06/29/1976 | US3966526 Process for making resilient laminar panel |
| 06/29/1976 | US3966120 Ultrasonic spraying device |
| 06/22/1976 | US3965455 Focused arc beam transducer-reflector |
| 06/22/1976 | US3964296 Integrated ultrasonic scanning apparatus |
| 06/15/1976 | US3964013 Cavitating parametric underwater acoustic source |
| 06/15/1976 | US3963997 Device for the directive transmission of elastic surface waves and process for making the same |