Patents by Inventor Jean-Francois Gelly
Jean-Francois Gelly has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11911792Abstract: A capacitive transducer is provided. The capacitive transducer includes a plate including a protruding center mass and a substrate with a center depression configured to accept the center mass. The capacitive transducer also includes a first electrode coupled to a non-horizontal edge surface of the center mass and a second electrode coupled to a non-horizontal edge surface of the center depression. The capacitive transducer further includes a third electrode coupled to a horizontal edge surface of the center mass and a fourth electrode coupled to a horizontal edge surface of the center depression. The plate is coupled to the substrate at least along an outer perimeter area of the plate and the substrate.Type: GrantFiled: January 12, 2021Date of Patent: February 27, 2024Assignee: GE Precision Healthcare LLCInventors: Rupak Bardhan Roy, Edouard Da Cruz, Frederic Lanteri, Omid Farhanieh, Jean-François Gelly, Flavien Daloz
-
Patent number: 11904357Abstract: A micromachined ultrasonic transducers with non-coplanar actuation and displacement comprising a plate with a protruding center mass, a substrate with a center depression configured to accept the center mass, a first electrode coupled to a non-horizontal edge surface of the center mass, and a second electrode coupled to a non-horizontal edge surface of the center depression. The plate may be coupled to the substrate at least along an outer perimeter area of the plate and the substrate.Type: GrantFiled: May 22, 2020Date of Patent: February 20, 2024Assignee: GE Precision Healthcare LLCInventors: Rupak Bardhan Roy, Frederic Lanteri, Edouard Da Cruz, Flavien Daloz, Jean Francois Gelly
-
Patent number: 11452507Abstract: A system and method for monitoring ultrasound probe health is provided. The method includes acquiring test data from a plurality of elements of an ultrasound probe by, for each of the plurality of elements, transmitting an ultrasonic signal from one of the elements and receiving a signal on two or more of the elements based on the transmitted ultrasonic signal. The method includes automatically analyzing the test data from the elements to determine a health report for the ultrasound probe. The health report includes a health status for each of a plurality of components of the ultrasound probe. At least one of the components is not part of a transducer array. The method includes automatically displaying the health report on a display device. The health report includes information for at least one of the components.Type: GrantFiled: August 31, 2020Date of Patent: September 27, 2022Assignee: GE PRECISION HEALTHCARE LLCInventors: Jean Bulte, Jean-Francois Gelly, Geir Ultveit Haugen, Bruno H. Haider, Gilles Thouret, Julia Labrune, Delphine Cotta, Ryan Rindler
-
Publication number: 20220219198Abstract: A capacitive transducer is provided. The capacitive transducer includes a plate including a protruding center mass and a substrate with a center depression configured to accept the center mass. The capacitive transducer also includes a first electrode coupled to a non-horizontal edge surface of the center mass and a second electrode coupled to a non-horizontal edge surface of the center depression. The capacitive transducer further includes a third electrode coupled to a horizontal edge surface of the center mass and a fourth electrode coupled to a horizontal edge surface of the center depression. The plate is coupled to the substrate at least along an outer perimeter area of the plate and the substrate.Type: ApplicationFiled: January 12, 2021Publication date: July 14, 2022Inventors: Rupak Bardhan Roy, Edouard Da Cruz, Frederic Lanteri, Omid Farhanieh, Jean-François Gelly, Flavien Daloz
-
Publication number: 20220065822Abstract: A system and method for monitoring ultrasound probe health is provided. The method includes acquiring test data from a plurality of elements of an ultrasound probe by, for each of the plurality of elements, transmitting an ultrasonic signal from one of the elements and receiving a signal on two or more of the elements based on the transmitted ultrasonic signal. The method includes automatically analyzing the test data from the elements to determine a health report for the ultrasound probe. The health report includes a health status for each of a plurality of components of the ultrasound probe. At least one of the components is not part of a transducer array. The method includes automatically displaying the health report on a display device. The health report includes information for at least one of the components.Type: ApplicationFiled: August 31, 2020Publication date: March 3, 2022Inventors: Jean Bulte, Jean-Francois Gelly, Geir Ultveit Haugen, Bruno H. Haider, Gilles Thouret, Julia Labrune, Delphine Cotta, Ryan Rindler
-
Publication number: 20210362188Abstract: A micromachined ultrasonic transducers with non-coplanar actuation and displacement comprising a plate with a protruding center mass, a substrate with a center depression configured to accept the center mass, a first electrode coupled to a non-horizontal edge surface of the center mass, and a second electrode coupled to a non-horizontal edge surface of the center depression. The plate may be coupled to the substrate at least along an outer perimeter area of the plate and the substrate.Type: ApplicationFiled: May 22, 2020Publication date: November 25, 2021Inventors: Rupak Bardhan Roy, Frederic Lanteri, Edouard Da Cruz, Flavien Daloz, Jean Francois Gelly
-
Patent number: 10470741Abstract: A transducer array for an ultrasound probe is provided. The transducer array includes a plurality of transducer elements. Each of the transducer elements have an acoustic stack configured to generate ultrasound signals. The transducer array includes a front layer having a base and a transmission surface. The front layer is mounted to the acoustic stacks of the plurality or transducer elements. The transmission surface includes a linear incline. The transmission surface is configured to emit the ultrasound signals.Type: GrantFiled: March 31, 2016Date of Patent: November 12, 2019Assignee: General Electric CompanyInventors: Reinhold Bruestle, Jean-Francois Gelly, Bruno Hans Haider
-
Publication number: 20170281128Abstract: A transducer array for an ultrasound probe is provided. The transducer array includes a plurality of transducer elements. Each of the transducer elements have an acoustic stack configured to generate ultrasound signals. The transducer array includes a front layer having a base and a transmission surface. The front layer is mounted to the acoustic stacks of the plurality or transducer elements. The transmission surface includes a linear incline. The transmission surface is configured to emit the ultrasound signals.Type: ApplicationFiled: March 31, 2016Publication date: October 5, 2017Inventors: Reinhold Bruestle, Jean-Francois Gelly, Bruno Hans Haider
-
Patent number: 8978216Abstract: A method for forming an acoustical stack for an ultrasound probe comprises partly dicing a single crystal piezoelectric material to form single crystal pieces that are partly separated by a plurality of kerfs. The single crystal piezoelectric material comprises a carrier layer. The kerfs are filled with a kerf filling material to form a single crystal composite and the carrier layer is removed. At least one matching layer is attached to the single crystal composite, and dicing within the kerfs is accomplished to form separate acoustical stacks from the single crystal composite.Type: GrantFiled: March 18, 2009Date of Patent: March 17, 2015Assignee: General Electric CompanyInventors: Serge Gerard Calisti, Frederic Lanteri, Alan Tai, Charles Baumgartner, Jean-Francois Gelly
-
Patent number: 8876715Abstract: A method for correcting ultrasound data includes acquiring ultrasound data using an ultrasound probe having a plurality of transducer elements associated with a plurality of channels that include conductive pathways and communicating the ultrasound data as received ultrasound signals along the conductive pathways of the channels. The method further includes determining a crosstalk signal that is generated in one or more of the channels by at least one of communication of the received ultrasound signals along the channels or vibration of one or more of the transducer elements. In one aspect, the method also includes modifying one or more subsequently acquired ultrasound signals that are communicated along the channels based on the crosstalk signal.Type: GrantFiled: November 19, 2010Date of Patent: November 4, 2014Assignee: General Electric CompanyInventors: Bruno Hans Haider, Kenneth Wayne Rigby, Jean-Francois Gelly, Kjell Kristoffersen, Alexander Sokulin
-
Patent number: 8764660Abstract: An acquisition component is provided that includes an audible sound sensor configured to receive audible sounds within a sensing area and a multi-element ultrasound transducer configured to emit ultrasound signals and to receive reflections of the ultrasound signals in the same sensing area. The audible sound sensor and the multi-element ultrasound transducer may be configured to be simultaneously operable.Type: GrantFiled: October 16, 2007Date of Patent: July 1, 2014Assignee: General Electric CompanyInventors: Sigmund Frigstad, Jean-Francois Gelly, Hans Garmann Torp
-
Patent number: 8450910Abstract: An ultrasound transducer element includes a piezoelectric layer, a front end body, and a backing layer assembly. The piezoelectric layer extends between opposite front and back sides and is configured to transmit acoustic waves from the front side. The front end is body disposed proximate to the front side of the piezoelectric layer and is configured to emit the acoustic waves out of a housing. The backing layer assembly is disposed proximate to the back side of the piezoelectric layer. The backing layer assembly includes a first thermally conductive mesh disposed in a matrix enclosure. The first thermally conductive mesh is positioned to conduct thermal energy away from the piezoelectric layer. In one aspect, the first thermally conductive mesh is a grid of elongated strands of a metal or metal alloy material oriented in at least one of transverse or oblique directions.Type: GrantFiled: January 14, 2011Date of Patent: May 28, 2013Assignee: General Electric CompanyInventors: Jean-Francois Gelly, Anne Cecile Dagonneau, Jean Pierre Malacrida
-
Publication number: 20120181902Abstract: An ultrasound transducer element includes a piezoelectric layer, a front end body, and a backing layer assembly. The piezoelectric layer extends between opposite front and back sides and is configured to transmit acoustic waves from the front side. The front end is body disposed proximate to the front side of the piezoelectric layer and is configured to emit the acoustic waves out of a housing. The backing layer assembly is disposed proximate to the back side of the piezoelectric layer. The backing layer assembly includes a first thermally conductive mesh disposed in a matrix enclosure. The first thermally conductive mesh is positioned to conduct thermal energy away from the piezoelectric layer. In one aspect, the first thermally conductive mesh is a grid of elongated strands of a metal or metal alloy material oriented in at least one of transverse or oblique directions.Type: ApplicationFiled: January 14, 2011Publication date: July 19, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Jean-Francois Gelly, Anne Cecile Dagonneau, Jean Pierre Malacrida
-
Patent number: 8207652Abstract: A system for improving the acoustic performance of an ultrasound transducer by reducing artifacts within the acoustic spectrum is disclosed. The system includes an acoustic layer having an array of acoustic elements, a dematching layer coupled to the acoustic layer and having an acoustic impedance greater than an acoustic impedance of the acoustic layer, and an interposer layer coupled to the dematching layer and comprising a substrate and a plurality of conductive element. The interposer layer is formed to have an acoustic impedance lower than the acoustic impedance of the dematching layer. The ultrasound transducer also includes an integrated circuit coupled to the interposer layer and electrically connected to the array of acoustic elements through the dematching layer and the interposer layer.Type: GrantFiled: June 16, 2009Date of Patent: June 26, 2012Assignee: General Electric CompanyInventors: Charles Edward Baumgartner, Jean-Francois Gelly, Lowell Smith, Charles G. Woychik, Frederic Lanteri, Stephen Edwardsen, Robert S. Lewandowski
-
Publication number: 20120157853Abstract: Ultrasound probes, and methods of forming probes, with electromagnetic shielding and/or improved heat management are provided. Certain probes include an acoustic stack including an active layer, a protection face plate or lens, and a matching layer. The matching layer includes a mass layer and a spring layer. The probe further includes a cable configured to communicate signals to and from the ultrasound probe. The probe further includes an electromagnetic radiation shield comprising the mass layer. The shield encompasses the active layer and the cable, and is grounded via an electrode. The shield is configured to inhibit external electromagnetic radiation from interfering with the signals communicated to and from the ultrasound probe via the cable. Certain probes are configured such that the mass layer is thermally connected to a thermal drain or a heat sink such that heat is conducted away from the protection face plate or lens.Type: ApplicationFiled: December 15, 2010Publication date: June 21, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Jean-Francois Gelly, Frederic Lanteri
-
Publication number: 20120130246Abstract: A method for correcting ultrasound data includes acquiring ultrasound data using an ultrasound probe having a plurality of transducer elements associated with a plurality of channels that include conductive pathways and communicating the ultrasound data as received ultrasound signals along the conductive pathways of the channels. The method further includes determining a crosstalk signal that is generated in one or more of the channels by at least one of communication of the received ultrasound signals along the channels or vibration of one or more of the transducer elements. In one aspect, the method also includes modifying one or more subsequently acquired ultrasound signals that are communicated along the channels based on the crosstalk signal.Type: ApplicationFiled: November 19, 2010Publication date: May 24, 2012Inventors: BRUNO HANS HAIDER, Kenneth Wayne Rigby, Jean-Francois Gelly, Kjell Kristoffersen, Alexander Sokulin
-
Patent number: 7905007Abstract: An acoustical stack for an ultrasound probe comprises a piezoelectric layer having top and bottom sides and a plurality of matching layer sections forming a matching layer structure. Each of the matching layer sections comprises a spring layer comprising a first material and a mass layer comprising a second material that is different than the first material. The spring layer within the matching layer section that is positioned closest to the piezoelectric layer is thinner than the spring layer within the other matching layer sections.Type: GrantFiled: March 18, 2009Date of Patent: March 15, 2011Assignee: General Electric CompanyInventors: Serge Gerard Calisti, Frederic Lanteri, Lowell Smith, Charles Baumgartner, Jean-Francois Gelly
-
Publication number: 20100317972Abstract: A system for improving the acoustic performance of an ultrasound transducer by reducing artifacts within the acoustic spectrum is disclosed. The system includes an acoustic layer having an array of acoustic elements, a dematching layer coupled to the acoustic layer and having an acoustic impedance greater than an acoustic impedance of the acoustic layer, and an interposer layer coupled to the dematching layer and comprising a substrate and a plurality of conductive element. The interposer layer is formed to have an acoustic impedance lower than the acoustic impedance of the dematching layer. The ultrasound transducer also includes an integrated circuit coupled to the interposer layer and electrically connected to the array of acoustic elements through the dematching layer and the interposer layer.Type: ApplicationFiled: June 16, 2009Publication date: December 16, 2010Inventors: Charles Edward Baumgartner, Jean-Francois Gelly, Lowell Smith, Charles G. Woychik, Frederic Lanteri, Stephen Edwardsen, Robert S. Lewandowski
-
Publication number: 20100240998Abstract: A method for forming an acoustical stack for an ultrasound probe comprises partly dicing a single crystal piezoelectric material to form single crystal pieces that are partly separated by a plurality of kerfs. The single crystal piezoelectric material comprises a carrier layer. The kerfs are filled with a kerf filling material to form a single crystal composite and the carrier layer is removed. At least one matching layer is attached to the single crystal composite, and dicing within the kerfs is accomplished to form separate acoustical stacks from the single crystal composite.Type: ApplicationFiled: March 18, 2009Publication date: September 23, 2010Inventors: Serge Gerard Calisti, Frederic Lanteri, Alan Tai, Charles Baumgartner, Jean-Francois Gelly
-
Publication number: 20100237746Abstract: An acoustical stack for an ultrasound probe comprises a piezoelectric layer having top and bottom sides and a plurality of matching layer sections forming a matching layer structure. Each of the matching layer sections comprises a spring layer comprising a first material and a mass layer comprising a second material that is different than the first material. The spring layer within the matching layer section that is positioned closest to the piezoelectric layer is thinner than the spring layer within the other matching layer sections.Type: ApplicationFiled: March 18, 2009Publication date: September 23, 2010Inventors: Serge Gerard Calisti, Frederic Lanteri, Lowell Smith, Charles Baumgartner, Jean-Francois Gelly