Patents by Inventor Charles M. Wynn
Charles M. Wynn 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).
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Publication number: 20210076944Abstract: A system and method for image reconstruction for non-contact ultrasound is provided, where maps or ultrasound images of a subject may be generated without physically contacting the subject. Adjusting or optimizing the photoacoustic excitation system may be performed, such as with beam shaping, surface modifications, or closed-loop automated adjustments. 2D and/or 3D spatial locations of source and receiver laser spots may be used to provide a spatial reference location for ultrasound image reconstruction in a clinically efficacious manner. In addition, point tracking, surface profile characterization, laser adjustments, and/or surface enhancements may be used to facilitate image reconstruction of the subject.Type: ApplicationFiled: September 18, 2020Publication date: March 18, 2021Inventors: Brian Anthony, Xiang Zhang, Jonathan Randall Fincke, Robert W. Haupt, Charles M. Wynn
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Patent number: 10602931Abstract: A system and method for noncontact ultrasound imagery capable of generating images in a manner that is safer for eyes and skin is provided. A photoacoustic excitation source may be employed to direct light signals with wavelengths of 1400-1600 nanometers into the patient to generate acoustic disturbances that induce propagating photoacoustic waves. The acoustic disturbances may be translated in defined directions to cause coherent summation of the propagating photoacoustic waves and, thereby, generate a resultant acoustic and/or elastic wave to probe structures within the patient. Vibrations created by the scatter of the resultant wave are detected at the surface of the patient and ultrasound images of the structures within the patient may be generated. Detection of the vibrations may be performed using a laser vibrometer. The excitation and detection systems may be used separately or in combination. Ultrasound images can be generated without physically contacting the patient.Type: GrantFiled: March 14, 2017Date of Patent: March 31, 2020Assignee: Massachusetts Institute of TechnologyInventors: Charles M. Wynn, Robert W. Haupt
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Patent number: 10456044Abstract: A system and method for generating ultrasound images of a subject without physically contacting the subject is provided. A photoacoustic excitation source may be employed that directed into a scanning mirror to transmit acoustic disturbances into a patient to induce propagating photoacoustic waves. The acoustic disturbances are translated along the patient in a defined direction to cause coherent summation of the propagating photoacoustic waves and, thereby, a resultant acoustic and/or elastic wave to probe structures within the patient. Vibrations created by the backscatter of the resultant wave are detected at the surface of the patient and ultrasound images of the structures within the patient are generated. Detection of the vibrations may be performed using a laser vibrometer. The excitation and detection systems may be used separately or in combination.Type: GrantFiled: November 11, 2014Date of Patent: October 29, 2019Assignee: Massachusetts Institute of TechnologyInventors: Robert W. Haupt, Charles M. Wynn
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Publication number: 20170265751Abstract: Non-contact ultrasound imaging system. The system includes a pulsed near infrared scanning laser source for illuminating a surface of a structure to generate ultrasonic elastic waves that propagate into the structure. A laser Doppler vibrometer measures vibration of the surface caused by the propagating ultrasonic waves in the structure and a data acquisition module processes data from the vibrometer to construct an image of the structure.Type: ApplicationFiled: March 13, 2017Publication date: September 21, 2017Inventors: Robert W. Haupt, Anthony Samir, Charles M. Wynn, Jae H. Kyung, Kevin W. Holman
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Publication number: 20170258332Abstract: A system and method for noncontact ultrasound imagery capable of generating images in a manner that is safer for eyes and skin is provided. A photoacoustic excitation source may be employed to direct light signals with wavelengths of 1400-1600 nanometers into the patient to generate acoustic disturbances that induce propagating photoacoustic waves. The acoustic disturbances may be translated in defined directions to cause coherent summation of the propagating photoacoustic waves and, thereby, generate a resultant acoustic and/or elastic wave to probe structures within the patient. Vibrations created by the scatter of the resultant wave are detected at the surface of the patient and ultrasound images of the structures within the patient may be generated. Detection of the vibrations may be performed using a laser vibrometer. The excitation and detection systems may be used separately or in combination. Ultrasound images can be generated without physically contacting the patient.Type: ApplicationFiled: March 14, 2017Publication date: September 14, 2017Inventors: Charles M. Wynn, Robert W. Haupt
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Publication number: 20150148655Abstract: A system and method for generating ultrasound images of a subject without physically contacting the subject is provided. A photoacoustic excitation source may be employed that directed into a scanning mirror to transmit acoustic disturbances into a patient to induce propagating photoacoustic waves. The acoustic disturbances are translated along the patient in a defined direction to cause coherent summation of the propagating photoacoustic waves and, thereby, a resultant acoustic and/or elastic wave to probe structures within the patient. Vibrations created by the backscatter of the resultant wave are detected at the surface of the patient and ultrasound images of the structures within the patient are generated. Detection of the vibrations may be performed using a laser vibrometer. The excitation and detection systems may be used separately or in combination.Type: ApplicationFiled: November 11, 2014Publication date: May 28, 2015Inventors: Robert W. Haupt, Charles M. Wynn
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Patent number: 8935960Abstract: A kit for detecting the presence of an explosive includes a pulsed focused energy source located at a target distance away from a substrate, the energy having a magnitude sufficient to release the internal energy of an explosive if present on the substrate and thereby generate an acoustic wave. The kit also includes a detector adapted to detect the acoustic wave at a detection distance away from the substrate.Type: GrantFiled: January 20, 2011Date of Patent: January 20, 2015Assignee: Massachusetts Institute of TechnologyInventors: Charles M. Wynn, Robert W. Haupt, Sumanth Kaushik, Stephen T. Palmacci
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Publication number: 20120186352Abstract: A kit for detecting the presence of an explosive includes a pulsed focused energy source located at a target distance away from a substrate, the energy having a magnitude sufficient to release the internal energy of an explosive if present on the substrate and thereby generate an acoustic wave. The kit also includes a detector adapted to detect the acoustic wave at a detection distance away from the substrate.Type: ApplicationFiled: January 20, 2011Publication date: July 26, 2012Applicant: Massachusetts Institute of TechnologyInventors: Charles M. Wynn, Robert W. Haupt, Sumanth Kaushik, Stephen T. Palmacci
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Patent number: 8198095Abstract: Methods and devices for detecting the presence of a NO forming material (e.g., a material that can form, or is, a nitrogen monoxide molecule) are disclosed based on detection of fluorescence exhibited by NO molecules in a first vibrationally excited state of a ground electronic state. Such excited NO molecules can be formed, for example, when small amounts of explosives are photodissociated. By inducing fluorescence of the material, a distinct signature of the explosive can be detected. Such techniques can be performed quickly and with a significant standoff distance, which can add to the invention's utility. In another aspection of the invention, methods and apparatus for generating electromagnetic radiation are disclosed. Such methods and apparatus can be used in conjunction with any detection method disclosed herein.Type: GrantFiled: June 3, 2011Date of Patent: June 12, 2012Assignee: Massachusetts Institute of TechnologyInventors: John J. Zayhowski, Mordechai Rothschild, Charles M. Wynn, Roderick R. Kunz
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Publication number: 20110233428Abstract: Methods and devices for detecting the presence of a NO forming material (e.g., a material that can form, or is, a nitrogen monoxide molecule) are disclosed based on detection of fluorescence exhibited by NO molecules in a first vibrationally excited state of a ground electronic state. Such excited NO molecules can be formed, for example, when small amounts of explosives are photodissociated. By inducing fluorescence of the material, a distinct signature of the explosive can be detected. Such techniques can be performed quickly and with a significant standoff distance, which can add to the invention's utility. In another aspection of the invention, methods and apparatus for generating electromagnetic radiation are disclosed. Such methods and apparatus can be used in conjunction with any detection method disclosed herein.Type: ApplicationFiled: June 3, 2011Publication date: September 29, 2011Applicant: Massachusetts Institute of TechnologyInventors: Mordechai Rothschild, Charles M. Wynn, John J. Zayhowski, Roderick R. Kunz
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Patent number: 7955855Abstract: Methods and devices for detecting the presence of a NO forming material (e.g., a material that can form, or is, a nitrogen monoxide molecule) are disclosed based on detection of fluorescence exhibited by NO molecules in a first vibrationally excited state of a ground electronic state. Such excited NO molecules can be formed, for example, when small amounts of explosives are photodissociated. By inducing fluorescence of the material, a distinct signature of the explosive can be detected. Such techniques can be performed quickly and with a significant standoff distance, which can add to the invention's utility. In another aspection of the invention, methods and apparatus for generating electromagnetic radiation are disclosed. Such methods and apparatus can be used in conjunction with any detection method disclosed herein.Type: GrantFiled: July 10, 2009Date of Patent: June 7, 2011Assignee: Massachusetts Institute of TechnologyInventors: Mordechai Rothschild, Charles M. Wynn, John J. Zayhowski, Roderick R. Kunz
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Publication number: 20100047916Abstract: Methods and devices for detecting the presence of a NO forming material (e.g., a material that can form, or is, a nitrogen monoxide molecule) are disclosed based on detection of fluorescence exhibited by NO molecules in a first vibrationally excited state of a ground electronic state. Such excited NO molecules can be formed, for example, when small amounts of explosives are photodissociated. By inducing fluorescence of the material, a distinct signature of the explosive can be detected. Such techniques can be performed quickly and with a significant standoff distance, which can add to the invention's utility. In another aspection of the invention, methods and apparatus for generating electromagnetic radiation are disclosed. Such methods and apparatus can be used in conjunction with any detection method disclosed herein.Type: ApplicationFiled: July 10, 2009Publication date: February 25, 2010Applicant: Massachusetts Institute Of TechnologyInventors: Mordechai Rothschild, Charles M. Wynn, John J. Zayhowski, Roderick R. Kunz