Patent application number | Description | Published |
20090093724 | METHOD FOR OPTIMISING THE FOCUSSING OF WAVES THROUGH AN ABERRATION-INDUCING ELEMENT - The invention concerns a method for optimizing the focusing of waves in a zone of interest of a medium, with the waves being emitted by a network of sources to the medium through an aberration-inducing element that introduces an initially indeterminate phase shift. The method according to the invention proposes to use M−1 successive modifications of the emitted wave, each giving rise to a perturbation. According to the invention, the M perturbations are measured in the zone of interest at each modification of the phase and/or amplitude distributions, and these measurements are used to deduce optimal focusing characteristics to maximize the perturbation induced in the zone of interest. | 04-09-2009 |
20090124901 | Imaging Method and Device Using Shear Waves - The inventive imaging method consists in generating a mechanical wave having shearing and compressional components in a viscoelastic medium and in determining the movement parameter of said viscoelastic medium at different points during the propagation of said mechanical wave. Said method comprises a correction stage when the movement parameter is processed for eliminating errors caused by the compressional component of the mechanical wave. | 05-14-2009 |
20090309805 | Method and Device for the Transmission of Waves - Method for focusing an electromagnetic or acoustic wave on a point near which one or more diffusers are placed, comprising a learning step in which the pulsed responses h | 12-17-2009 |
20100007357 | Electrical Impedance Tomography Method and Device - Electrical impedance tomography method comprising: an electrical measurement step during which pre-determined electrical conditions are imposed on the surface of a medium to be imaged, while generating a mechanical disturbance at predefined points of the medium by locally modifying the impedance of the medium and an electrical parameter is measured at several points on the surface of the medium; and a calculation step during which the electrical impedance is determined at several points in the internal volume of the medium, taking into account the measurements carried out during the disturbance, as a function of a law for modification of the electrical impedance by this disturbance. | 01-14-2010 |
20100114533 | METHOD AND APPARATUS FOR EXPLORING BY WAVE PROPAGATION - A method of exploring by wave propagation, in which method an incident wave is emitted a plurality of times towards the same target zone (r | 05-06-2010 |
20100222678 | METHOD AND DEVICE FOR MEASURING A MEAN VALUE OF VISCO-ELASTICITY OF A REGION OF INTEREST - The invention relates to a method for measuring a mean visco-elasticity value for a soft material. Said method using a single probe carrying at least one transducer comprises the steps of:
| 09-02-2010 |
20100283745 | METHOD FOR LOCATING A TOUCH ON A SURFACE AND DEVICE FOR IMPLEMENTING THE METHOD - For locating a touch on a tactile surface belonging to an object ( | 11-11-2010 |
20110028838 | Method and Apparatus for Measuring a Physical Parameter in Mammal Soft Tissues by Propagating Shear Waves - Method for measuring a physical parameter in soft tissues of a mammal, in which a mechanical shear wave is propagated through the soft tissues and observation of the propagation leads to determine values of a shear wave propagation parameter. The physical parameter is computed on the basis of these values. | 02-03-2011 |
20110125014 | Sounding Method and Device using Wave Propagation - The invention relates to a wave-propagation-based sounding method, in which: an incident wave is emitted through a medium including diffusers capable of reflecting the wave; and, subsequently, signals representing a reflected wave reverberated by the medium from the incident wave are captured, said captured signals being the sum of a single scattering component and a multiple scattering component. The captured signals are processed by separating the multiple scattering component from the single scattering component by filtering at least one frequency transfer matrix representing responses between transducers from the transducer assembly. | 05-26-2011 |
20110190627 | Method and Device for Marking a Medium, and Marker Usable in Such a Method - To mark an area of interest in a target medium, an initially inactivated and ultrasound-activatable optical marker is added to the medium, and then an ultrasound activation beam is emitted, being focused on the area of interest in order to locally activate the marker, which then colors the area of interest. | 08-04-2011 |
20120121516 | Emulsion Activatable by Ultrasounds and Method for Producing Same - The invention relates to an emulsion that can be activated by ultrasounds, comprising, in an emulsion in an aqueous solution, microparticles having a diameter of less than 10 μm and containing an active agent and a gaseous precursor in a liquid form, encapsulated by a first emulsifier. The microparticles contain nanoparticles smaller than 1 μm, in an emulsion in the gaseous precursor, each nanoparticle comprising an inner liquid that contains the active agent and is encapsulated by a second emulsifier. | 05-17-2012 |
20120166135 | Method for Determining a Physical Parameter, Imaging Method, and Device for Implementing Said Method - The invention relates to a method for determining a physical parameter representative of a point P of a plate by means of a device comprising a first receiver for measuring a wave propagating in the plate, and a calculation unit. The method includes the following steps: measuring, by means of the first receiver, a first signal s | 06-28-2012 |
20120207234 | Method for Transmitting Digital Data, and Transmitter Base Implementing Such a Method - A method for transmitting digital data on a communication channel, between a transmitter base comprising N transmission antennas and K receivers. A signal carrier of frequency f | 08-16-2012 |
20120212388 | DEVICE FOR RECEIVING AND/OR EMITTING AN ELECTROMAGNETIC WAVE, SYSTEM COMPRISING SAID DEVICE, AND USE OF SUCH DEVICE - A device for receiving and/or emitting an electromagnetic wave having a free space wavelength λ | 08-23-2012 |
20120280886 | DEVICE FOR RECEIVING AND/OR EMITTING AN ELECTROMAGNETIC WAVE, SYSTEM COMPRISING SAID DEVICE, AND USE OF SUCH DEVICE - A device for receiving and/or emitting an electromagnetic wave having a free space wavelength λ | 11-08-2012 |
20120327744 | System for Illuminating an Object with a Wave or for Imaging an Object with a Wave - A system for illuminating an object with a wave or for imaging an object with a wave comprises a lens, a plurality of transducers and a control unit connected to the plurality of transducers. The lens comprises a plurality of resonator elements incorporated inside a medium and is able to convert a near field wave of the lens to a far field wave, or reciprocally. The resonator elements are at a sub wavelength distance from each others. The control unit provides signals to the transducers so that a plurality of points on the object are illuminated as desired, or obtains signals from the transducers to build an image of a plurality of points of the object. The points are at sub wavelength distance from each others. | 12-27-2012 |
20130301382 | Method and Device for Ultrasound Imaging - A method of high-resolution ultrasound imaging, in which transducers are made to emit ultrasound waves in a field of observations containing micro bubbles, by making the micro bubbles burst one by one in tandem with the emissions of ultrasound waves. At each shot j of an ultrasound wave, raw reverberated signals S | 11-14-2013 |
20140062821 | DEVICE FOR RECEIVING AND/OR EMITTING A WAVE, A SYSTEM COMPRISING THE DEVICE, AND USE OF SUCH DEVICE | 03-06-2014 |
20140081138 | METHOD AND DEVICE FOR MEASURING A MEAN VALUE OF VISCO-ELASTICITY OF A REGION OF INTEREST - The invention relates to a method for measuring a mean visco-elasticity value for a soft material. Said method using a single probe carrying at least one transducer comprises the steps of: | 03-20-2014 |