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)
05/1985
05/14/1985US4516583 Ultrasonic echogram probe and sector echographic scanning device
05/14/1985CA1187161A1 Ultrasonic sensing
05/08/1985EP0140465A2 Defined-coverage loudspeaker horn
05/08/1985EP0140392A2 Ultrasonic imaging apparatus
05/08/1985EP0139765A1 Sound-adjusting plate
05/07/1985US4515239 Noise reduction lining
05/07/1985US4515238 Portable acoustical shield and sound enhancing closure
05/07/1985US4515017 Oscillating ultrasound scanhead
05/02/1985EP0139574A2 Ultrasonic probe for body tracts
05/02/1985EP0139360A2 A sound-absorbent metal sheet, a method for its manufacture and acoustic materials made therefrom
05/02/1985EP0139285A2 Transducer array for sector scan and doppler flow measurement applications
04/1985
04/30/1985CA1186389A1 Tuned vibration detector
04/24/1985EP0138712A2 Sound absorbing building block with sequential cavities
04/24/1985EP0138626A2 Engine noise control device
04/24/1985EP0138557A2 Vibration-damping material
04/24/1985EP0138379A2 Ultrasonic apparatus, system and method
04/24/1985EP0137924A2 Swinging and/or reflecting solid body for sound devices
04/23/1985US4512197 Apparatus for generating a focusable and scannable ultrasonic beam for non-destructive examination
04/23/1985CA1186047A1 Electret transducer with variable electret foil thickness
04/23/1985CA1186046A1 Electret transducer with variable effective air gap
04/16/1985US4511998 Multielement acoustic transducer as well as a method of manufacturing the same and an acoustic imaging instrument
04/16/1985US4511308 Axial and mixed flow fans and blowers
04/16/1985US4510812 Apparatus for acoustic emission detection including a waveguide made of aluminum or beryllium oxide
04/09/1985US4510586 For detecting waves
04/09/1985US4510443 Voltage measuring device
04/09/1985US4510410 Unsaturated polymers and photoinitiators; automatic mass production
04/09/1985US4509442 Acoustical shield assembly for a sewing machine
04/09/1985US4509368 For examining the internal structure of a body
04/02/1985US4509153 Resolution transducers, systems and methods for the transmission and/or reception of waves propagated by vibration
04/02/1985US4509152 Channel formation system for panoramic sonars
04/02/1985US4509149 Directional long array for logging vertical boundaries
04/02/1985US4508122 Ultrasonic scanning apparatus and techniques
03/1985
03/26/1985US4507582 Matching region for damped piezoelectric ultrasonic apparatus
03/20/1985EP0134346A1 Ultrasonic transducers
03/19/1985US4506380 Method and apparatus for controlling the sound field in a vehicle cabin or the like
03/19/1985US4505358 Voice communicator
03/19/1985US4505156 In an ultrasonic apparatus
03/12/1985US4504759 SAW Device with special length-weighted interdigital electrode array
03/12/1985US4504346 Method of manufacturing a damped resonator acoustical panel
03/12/1985US4503861 Fetal heartbeat doppler transducer
03/12/1985CA1183937A1 Piezoelectric transducer apparatus
03/06/1985EP0133665A2 Apparatus for the smashing at a distance of calculus
03/05/1985US4503336 Beam former having variable delays between LED output signals
03/05/1985US4502332 Vibration sensing probe
02/1985
02/28/1985WO1985000889A1 Body imaging using vectorial addition of acoustic reflections to achieve effect of scanning beam continuously focused in range
02/26/1985US4501151 Ultrasonic therapy applicator that measures dosage
02/19/1985US4499902 Receiver device for a multi-element ultrasonic probe echograph and echograph equipped in this way
02/13/1985EP0133007A2 Movable ultrasonic transducer array
02/05/1985US4497210 Phased array ultrasonic testing apparatus and testing method therefor
01/1985
01/29/1985US4496021 360 Degree radial reflex orthospectral horn for high-frequency loudspeakers
01/29/1985US4495817 Ultrasonic imaging device
01/23/1985EP0131654A1 Apparatus for the non-contact disintegration of stony objects present in a body by means of sound shockwaves
01/23/1985EP0131653A1 Apparatus for the non-contact disintegration of stony objects present in a body by means of sound shockwaves
01/23/1985EP0131616A1 Acoustic absorber plate.
01/22/1985US4494938 Master buoy system for acoustic array deployment, using underwater glide bodies remotely launched from a submerged pod
01/22/1985US4494548 Diagnostic probe
01/22/1985US4494410 Convertor apparatus for accurate and consistent non-destructive testing of objects
01/15/1985US4494074 Feedback control
01/15/1985CA1181013A1 Noise-reduction device for stationary induction apparatus
01/09/1985EP0130709A2 Ultrasonic transducers for medical diagnostic examinations
01/08/1985US4492120 For performing imaging and flow measurement
01/08/1985US4492119 Articulated arm ultrasound imaging systems
01/02/1985EP0129878A2 Ultrasonic probe having dual-motion transducer
12/1984
12/27/1984EP0129337A2 Mechanical spacer for towed acoustic array
12/25/1984US4490841 Method and apparatus for cancelling vibrations
12/25/1984US4489730 Ultrasonic transducer probe
12/19/1984EP0128450A2 Ultrasonic transducteur
12/18/1984US4489441 Method and apparatus for cancelling vibration
12/12/1984EP0128049A2 Ultrasonic probe having a backing member
12/11/1984US4488271 Deep ocean wide band acoustic baffle
12/11/1984US4487793 Vinyl covered sound absorbing structure
12/11/1984US4487073 Ultrasonic system
12/04/1984US4486869 Underwater acoustic devices
12/04/1984US4486167 Flare having noise attenuation
12/04/1984US4486114 Interchangeable component identification system
12/04/1984US4486076 Real time stereo imaging
11/1984
11/27/1984US4485484 Signal processing arrangement for reducing audio interference
11/27/1984US4485462 Transducer mounting apparatus
11/27/1984US4485275 Inverted horn loudspeaker
11/27/1984US4484477 Variable delay memory system
11/27/1984US4484476 Acoustic microscope device
11/27/1984CA1178705A1 Real time stereo imaging
11/22/1984WO1984004589A1 Efficient low cost transducer system
11/21/1984EP0029043B1 Packless silencer
11/20/1984US4484317 Multibeam lens/filter combination for sonar sensor
11/20/1984US4484316 Acoustic vermin-repellent device
11/20/1984US4483344 Device for positioning cardiographic sensor
11/20/1984US4483343 Ultrasonic applicator
11/14/1984EP0124686A2 Spark gap for the generation of shock waves for the non-contact disintegration of concrements in living bodies
11/13/1984US4482835 Multiphase backing materials for piezoelectric broadband transducers
11/13/1984US4482834 Acoustic imaging transducer
11/13/1984US4481823 Ultrasonic probing devices
11/13/1984CA1177949A1 Acoustic method and device for well logging
11/08/1984WO1984004343A1 Acoustical structure and method of manufacturing it
11/06/1984US4480609 Front cover of automotive engine
10/1984
10/30/1984US4480333 Method and apparatus for active sound control
10/30/1984US4480324 For use in an underwater system
10/30/1984US4479992 Sound absorbing structural element
10/30/1984US4479389 Tuned vibration detector
10/30/1984US4479388 Ultrasound transducer and drive system