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)
05/1987
05/26/1987US4667770 For use in a gas flow duct
05/26/1987US4667768 Sound absorbing panel
05/21/1987DE3608692C1 Device for remote measurement (telemetry) of meteorological data in the atmosphere
05/21/1987DE3608691C1 Mobile device for remote measurement (telemetry) of meteorological data in the atmosphere
05/20/1987EP0222450A2 Method and apparatus for estimating the ultrasound attenuation - VS - frequency slope of a propagation medium from the complex envelope of a signal
05/20/1987EP0222294A2 Dynamically focused linear phased array acoustic imaging system
05/20/1987EP0222276A2 Ultrasonic measuring head
05/20/1987EP0222015A1 Remotely controlled sound mask
05/19/1987US4665924 Ultrasonic imaging apparatus
05/19/1987US4665750 Underwater transducers
05/13/1987EP0221619A1 Ultrasonic echographic apparatus operating on two frequencies for investigation of media
05/13/1987EP0108781B1 Improvements relating to focusing apparatus
05/12/1987US4665549 Hybrid active silencer
05/12/1987US4664121 Intraoperative scanner
05/12/1987US4664111 Apparatus for producing time-staggered shock waves
05/12/1987US4663973 Ultrasonic scanning apparatus
05/05/1987US4663381 Interior noise reduction in motor vehicles
05/05/1987US4663224 Vibration-suppressing sound-shielding board
05/05/1987US4662375 Alleviating pain during extracoporal lithotripsy
05/05/1987US4662223 Method and means for steering phased array scanner in ultrasound imaging system
05/05/1987CA1221447A1 Movable ultrasonic transducer array
04/1987
04/28/1987US4661938 Sonar apparatus
04/28/1987US4661937 Sonar beam steering circuit
04/28/1987US4661392 Sound dampening panel and method of fabrication
04/28/1987US4660448 Sound reducing means
04/23/1987WO1987002496A1 Transfer function generation for active noise cancellation
04/22/1987EP0219421A1 Sonar dome
04/22/1987EP0219218A1 Muffler
04/22/1987EP0219187A1 Non-coherent frequency source and sector scanning apparatus for ultrasonic imaging system using a liquid crystal detector cell
04/21/1987US4660184 Device for use in borehole-seismic measurements at sea
04/21/1987US4659956 Compound focus ultrasonic transducer
04/21/1987CA1220709A1 Thermoformable laminate structure with improved acoustical absorption
04/21/1987CA1220707A1 Thermoformable laminate structure
04/16/1987DE3536379A1 Air duct, in particular in motor vehicles
04/15/1987EP0218399A2 Acoustic borehole logging tool
04/15/1987CN85107713A Sound-level regulating device for low noise electric horn for auto use
04/14/1987US4658176 Ultrasonic transducer using piezoelectric composite
04/14/1987US4656870 Ultrasonic testing device
04/09/1987DE3536073A1 Device for crushing calculi
04/07/1987US4656616 Volumetric transducer array and erecting structure
04/07/1987US4655205 Delineating and limiting the zone of shock waves for therapeutic purposes
04/01/1987EP0215972A1 Switch matrix
03/1987
03/31/1987US4654871 Method and apparatus for reducing repetitive noise entering the ear
03/31/1987US4654834 Weatherproofed ultrasonic transducer assembly and systems incorporating same
03/31/1987US4653505 System and method for measuring sound velocity of tissue in an object being investigated
03/31/1987US4653504 Ultrasonic probe
03/25/1987EP0131616B1 Acoustic absorber plate
03/24/1987US4651850 Silicone rubbers, titanium dioxide, ultrasonic detectors
03/24/1987US4651567 Non-coherent frequency source and sector scanning apparatus for ultrasonic imaging system using a liquid crystal detector cell
03/24/1987CA1219667A1 Device for measuring wind velocity and/or direction
03/19/1987DE3532372A1 Echo sounder, especially a sediment sounder
03/18/1987EP0214822A2 Mounting of sonic devices
03/18/1987EP0214782A2 Ultrasonic irradiation system
03/18/1987EP0214559A2 Surface sound insulation part
03/18/1987EP0214525A1 Submarine craft
03/17/1987US4650032 Noise barrier
03/17/1987US4649927 Real time display of an ultrasonic compound image
03/17/1987US4649926 Ultrasonic compound scan with rotating transducer
03/17/1987US4649925 Ultrasonic transducer probe drive mechanism with position sensor
03/12/1987WO1987001269A1 Method for ultrasound examination and ultrasonic conductor for carrying out the method
03/12/1987DE3531467A1 Electronic sounder
03/11/1987EP0213163A1 Sound attenuation box.
03/10/1987US4649570 To be used in a sanitary manner
03/10/1987US4649505 Two-input crosstalk-resistant adaptive noise canceller
03/10/1987CA1218938A1 Sound barrier
03/04/1987EP0212840A2 Noise reduction device
03/04/1987EP0212695A1 Sensor
03/04/1987EP0212352A1 Ultrasonic generator
03/03/1987US4648111 Self-adaptive echo canceller capable of keeping a degree of cancellation substantially invariable even at a low incoming level
03/03/1987US4646573 Scanning acoustic microscope
02/1987
02/25/1987EP0211482A2 Acoustic coupling medium for transmitting ultrasound
02/25/1987EP0211439A2 Ultrasonic stylus position stabilizer
02/25/1987EP0211427A2 Apparatus and method for sending out and receiving ultrasonic signals
02/25/1987EP0211173A2 Active vibration isolation system employing electro-rheological fluid
02/24/1987US4645032 Compact muffler apparatus and associated methods
02/24/1987US4644795 High resolution multiline ultrasonic beamformer
02/24/1987US4644794 Acoustic guide for noise-transmission testing of aircraft
02/24/1987CA1218447A1 Interferometric sonar in non-linear acoustics
02/17/1987US4643028 Phasing circuit for use in a scanning type ultrasonic equipment
02/17/1987CA1218142A1 Oscillating ultrasound scanhead
02/12/1987DE3527704A1 Underwater broadband noise generator
02/10/1987US4641773 Ultrasonic stylus position stabilizer
02/10/1987US4641660 Echography probe and apparatus incorporating such a probe
02/10/1987US4641657 Probe swivel mechanism
02/10/1987US4641530 Acoustic microscope for analyzing an object in depth having aspherical lenses
02/10/1987CA1217726A Noise generator
02/05/1987DE3526885A1 Element for the control of airborne noise
02/04/1987EP0210803A1 Foamed metal and method of producing same
02/04/1987EP0210624A2 High resolution multiline ultrasonic beamformer
02/04/1987EP0210358A2 Acoustic focussing device
02/03/1987US4641291 Phased array Doppler sonar transducer
02/03/1987US4641290 Low frequency portable lightweight sonar systems and their method of deployment for greatly increasing the efficiency of submarine surveillance over large areas
02/03/1987US4640382 Acoustic frictional resistance construction and method of producing an acoustic frictional resistance using a laser
02/03/1987CA1217554A1 Ultrasonic diagnostic imaging systems for varying depths of field
01/1987
01/29/1987WO1987000638A1 Ultrasonic reflex transmission imaging method and apparatus with external reflector
01/29/1987WO1987000417A1 Ultrasonic conductor cushion, and process for measuring pressure-sensitive surfaces
01/29/1987DE3526874A1 Ultraschall-leitkissen sowie verfahren zur messung druckempfindlicher oberflaechen Ultrasonic leitkissen and procedures for measuring pressure sensitive surface until
01/27/1987US4639904 Sonic transmitters
01/27/1987US4639903 Underwater sound delivery system
01/21/1987EP0209416A1 Generator of focussed high-power elastic pulses in a fluid, and generated by percussion