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)
09/1987
09/29/1987US4696299 Non-invasive destruction of kidney stones
09/24/1987WO1987005733A1 Adaptor for coupling plural compression drivers to a common horn
09/22/1987US4696043 Microphone apparatus having a variable directivity pattern
09/22/1987US4695985 Apparatus for preventing a roundabout of supersonic wave in a supersonic wave transmitter and receiver for a vehicle
09/22/1987US4694700 Ultrasonic sensor for electronic sectorial scanning and echograph incorporating such a sensor
09/16/1987EP0237454A1 Processes and devices for attenuating noise from an external origin arriving at the ear drum, and for improving the intelligibility of electro-acoustic communications
09/16/1987EP0237286A2 An ultrasonic system
09/16/1987EP0236810A2 Absorbing sound-damping structure
09/15/1987US4694435 For receiving acoustic waves in water ar different depth levels
09/15/1987US4694266 Notch filter
09/15/1987US4693120 Real time ultrasonic scanning method and apparatus
09/15/1987CA1226932A1 Signal transmission, without electrical links, through a conducting wall
09/15/1987CA1226931A1 Acoustic lens for marine seismic data multiple reflection noise reduction
09/11/1987WO1987005430A1 Methods and devices to improve the intelligibility of electroacoustic communications
09/11/1987WO1987005391A1 Ultrasonic converter
09/09/1987EP0236226A1 Hanging structure for coupling a seismic source to a bore hole wall
09/09/1987EP0235969A2 An ultrasonic transducer probe having a mechanically steerable ultrasonic beam
09/09/1987EP0235216A1 Method for ultrasound examination and ultrasonic conductor for carrying out the method
09/09/1987EP0144340B1 Acoustical structure and method of manufacturing it
09/08/1987US4691724 Ultrasonic device
09/08/1987US4691570 Method and apparatus for ultrasonically scanning a subject with an ultrasound head
09/08/1987US4691418 Ultrasonic transducer method
09/08/1987CA1226529A1 Receiver suspension and acoustic porting system
09/08/1987CA1226526A1 Method and apparatus for controlling noise
09/01/1987USH329 Aerodynamic housing
08/1987
08/27/1987DE3617039A1 Device for preventing the transmission of spurious waves in an ultrasonic transmitter and receiver device on vehicles
08/26/1987EP0233724A2 Ultrasonic probe for medical diagnostic examination
08/26/1987EP0233717A2 Active attenuation system with on-line modeling of speaker, error path and feedback path
08/26/1987EP0091926B1 Improved method and apparatus for cancelling vibrations
08/25/1987US4689821 Active noise control system
08/25/1987US4689773 For immersion in an external acoustic transmission medium
08/25/1987US4688578 For examining a subject
08/18/1987US4688199 Transducers and control means
08/18/1987CA1225733A1 Scanning acoustic microscope
08/12/1987EP0232084A2 Mounting of sonic devices
08/12/1987EP0232071A2 Sonar apparatus
08/12/1987EP0231892A2 Electric signal transfer element
08/12/1987EP0231228A1 Ultrasonic conductor cushion, and process for measuring pressure-sensitive surfaces
08/11/1987US4686693 Remotely controlled sound mask
08/11/1987US4686409 Porous adaptation layer in an ultrasonic applicator
08/11/1987US4686408 Curvilinear array of ultrasonic transducers
08/11/1987US4685532 Constant directivity loudspeaker horn
08/04/1987US4683979 Co-oscillating, volume-changing resonator in the form of a silencer
08/04/1987US4683751 Sample stand adjusting device in an ultrasonic microscope
07/1987
07/29/1987EP0229981A1 Method for controlling the focussing characteristics of an ultrasonic field and device for carrying out said method
07/29/1987EP0229977A2 Sound-reducing cladding for the engine compartment of a motor vehicle
07/23/1987DE3600639A1 Ultrasonic transducer
07/21/1987US4681816 Composite laminates comprising a metallic substrate and vibration damper
07/21/1987US4681120 Ultrasonic diagnosing apparatus
07/16/1987WO1987004111A1 Method of making a projector for a vehicle horn
07/15/1987EP0228832A1 Support member for pressure sensor
07/15/1987EP0228720A2 Ultrasonic inspection system with linear transducer array
07/14/1987US4680499 Piezoelectric ultrasonic transducer with acoustic matching plate
07/09/1987DE3600327A1 Holder for mounting a sound transmitting/receiving transducer
07/08/1987EP0228134A2 Axial borehole televiewer
07/07/1987US4679176 Ultrasonic receiving apparatus
07/07/1987US4678707 Vibration damping composite laminate
07/07/1987US4677981 Device for the examination of objects by ultrasonic echography with angular focusing
07/07/1987US4677853 Ultrasonic probe
07/02/1987WO1987003994A1 Sound emitter
07/01/1987EP0227372A2 Hybrid active silencer
07/01/1987EP0226821A1 Ultrasonic apparatus with dynamic change of the focal-reception position
07/01/1987EP0226613A1 Noise supression system.
06/1987
06/30/1987US4677677 Active sound attenuation system with on-line adaptive feedback cancellation
06/30/1987US4677676 Active attenuation system with on-line modeling of speaker, error path and feedback pack
06/30/1987US4677337 Broadband piezoelectric ultrasonic transducer for radiating in air
06/30/1987US4676250 Method and apparatus for estimating the attenuation-vs-frequency slope of a propagation medium from the complex envelope of a signal
06/25/1987DE3545379A1 Method for controlling the properties of the focus of an ultrasonic field and device for carrying out the method
06/25/1987DE3545353A1 Method and device for measuring the acoustic power of a focused ultrasonic field
06/25/1987DE3545351A1 Method for controlling the position of the focus of an ultrasonic field and device for carrying out the method
06/24/1987EP0225900A1 Echograph probe and echograph provided with such a probe.
06/23/1987US4674595 Underwater acoustic pressure release baffle for depths to 2000 feet
06/23/1987US4674517 Noninvasive ultrasonic probes
06/23/1987US4674515 Ultrasonic endoscope
06/23/1987US4674514 Ultrasonic compound scan with an oscillating transducer
06/23/1987US4674505 Apparatus for the contact-free disintegration of calculi
06/23/1987CA1223331A1 Method and apparatus for a phased array transducer
06/19/1987DE3544022A1 Sound damper for smoke-exhaust and venting ducts
06/19/1987DE3534690A1 Self-supporting sound-insulating panel
06/18/1987WO1987003699A1 Support member for pressure sensor
06/16/1987US4674124 Multichannel masking sound generator
06/16/1987US4674075 Cardan suspension for microphones for sound ranging in water
06/16/1987US4674057 Ultrasonic ranging control system for industrial robots
06/16/1987EP0225341A1 Method and apparatus for attenuating sound and acoustic noise
06/09/1987US4672592 Shaded transducer
06/09/1987US4672591 Ultrasonic transducer
06/09/1987US4672589 Underwater detection system
06/09/1987US4671115 Electronic scanning apparatus for ultrasonic imaging
06/09/1987US4671114 Acoustical detection of hidden insects
06/04/1987DE3542562A1 Ultrasonic device with dynamic variation of the receiving focal position
06/03/1987EP0224014A1 Variable focusing in ultrasound imaging using non-uniform sampling
06/02/1987US4670681 Singly rotated orientation of quartz crystals for novel surface acoustic wave devices
06/02/1987US4670680 Doubly rotated orientations of cut angles for quartz crystal for novel surface acoustic wave devices
06/02/1987US4669573 Underwater acoustic baffle enhancer
06/02/1987US4669472 Contactless comminution of concrements in the body of a living being
06/02/1987US4669314 Variable focusing in ultrasound imaging using non-uniform sampling
06/02/1987CA1222464A1 Ear acoustical hearing aid
05/1987
05/27/1987EP0223080A1 Method and means for steering phased array scanner in ultrasound imaging system
05/26/1987US4669122 Damping for directional sound cancellation
05/26/1987US4669068 Power transmission apparatus for enclosed fluid systems