Patents by Inventor Pearl Rayms-Keller
Pearl Rayms-Keller 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: 20210090752Abstract: A low energy nuclear reactor (LENR) is provided for producing thermal energy. The LENR includes first and second vessels and an ignitor. The first vessel defined a first chamber containing LENR fuel. The second vessel disposed inside the first vessel defines a second chamber containing exothermic material. The ignitor initiates the exothermic material by sparking. The LENR fuel reacts to produce the thermal energy in response to initiation heat from the exothermic material.Type: ApplicationFiled: September 24, 2019Publication date: March 25, 2021Applicant: United States of America, as represented by the Secretary of the NavyInventors: Pearl Rayms-Keller, Michael S. Lowry, Stacy R. Barker
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Patent number: 10734732Abstract: An optically tunable metamaterial unit cell is provided for photonic switching. The cell is optically tunable and includes a dielectric substrate with upper and lower surfaces. The cell further includes arrays of metamaterial elements and a layer of photo-capacitive material. The arrays are disposed the upper surface of the dielectric substrate. The metamaterial is capable of reflecting electromagnetic radiation. The layer of photo-capacitive material overlaps the arrays of metamaterial elements. The photo-capacitive material is optically tunable.Type: GrantFiled: January 31, 2020Date of Patent: August 4, 2020Assignee: United States of America, as represented by the Secretary of the NavyInventors: Simin Feng, Kevin A. Boulais, Walter D. Sessions, Pearl Rayms-Keller, Robert B. Nichols, William F. Smith, Karen J. Long, Michael S. Lowry
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Patent number: 10615506Abstract: A control device is provided for photonic switching. The device includes an optically tunable metamaterial unit cell. This structure includes a dielectric substrate; at least two arrays of metamaterial elements located on the top surface thereof, the metamaterial being capable of reflecting electromagnetic radiation, and a layer of photo-capacitive material overlapping the at least two arrays of metamaterial elements, the photo-capacitance of the photo-capacitive material being optically tunable; and a reflectarray or phased array system containing the unit cell.Type: GrantFiled: July 5, 2017Date of Patent: April 7, 2020Assignee: United States of America, as represented by the Secretary of the NavyInventors: Simin Feng, Kevin A. Boulais, Walter D. Sessions, Pearl Rayms-Keller, Robert B. Nichols, William F. Smith, Karen J. Long, Michael S. Lowry
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Patent number: 9524809Abstract: A dielectric composite material is provided for switch control by optical stimulus. The material includes a plurality of photo-conductive particulates; and a transparent binder for containing the plurality of particulates to form a photo-conductive pigment based matrix. The pigment based matrix is disposed on to overlap first and second separate electrodes to produce an electrical junction. Capacitance of the pigment based matrix changes from a first value absent the optical stimulus to a second value in response to illumination at a specific electromagnetic frequency and intensity by the optical stimulus.Type: GrantFiled: December 7, 2015Date of Patent: December 20, 2016Assignee: The United States of America as represented by the Secretary of the NavyInventors: Kevin A. Boulais, Simin Feng, Pearl Rayms-Keller, Michael S. Lowry, Francesco Santiago
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Patent number: 9095043Abstract: A cloak is provided for concealing an object to an electromagnetic field. A first vane encloses the object and a second vane encloses the first vane. The distance between the first and second vanes varies relative to the object, so as to conceal the object to the electromagnetic field.Type: GrantFiled: February 27, 2013Date of Patent: July 28, 2015Assignee: The United States of America as Represented by the Secretary of the NavyInventors: Kevin A. Boulais, Walter D. Sessions, Francisco Santiago, Pearl Rayms-Keller, Lucas R. Hale, Craig Andrew Calcagno
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Patent number: 8784704Abstract: A material is provided for switching dielectric constant between distinct first and second values responsive to electromagnetic radiation having a specified energy. The material includes a medium transparent to the radiation and a plurality of particulates. Each particulate has a dipole that assumes one of distinct first and second parameters that correspond to the first and second values. The particulates are suspended within the medium. The parameters are either dipole span or charge strength. The dipole of each particulate sets to the first parameter by default and sets to the second parameter in response to the radiation. The particulates can be composed from undoped semi-insulating gallium arsenide. The medium can be polymethylmethacrylate, for example.Type: GrantFiled: August 28, 2012Date of Patent: July 22, 2014Assignee: The United States of America as represented by the Secretary of the NavyInventors: Kevin A. Boulais, Pearl Rayms-Keller, Michael S. Lowry, Francisco Santiago, Karen J. Long, Walter D. Sessions, Natasha Laguodas Wilkerson, Reniery Cevallos
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Patent number: 8519382Abstract: A photocapacitor device is provided for responding to a photon having at least a specified energy. The photocapacitive device includes a first portion composed of a photocapacitive material; a second portion composed of a non-photocapacitive material; and a depletion region disposed between the first and second portions. The photocapacitive and non-photocapacitive materials respectively have first and second Fermi-energy differences, with the second Fermi-energy difference being higher than the first Fermi-energy difference.Type: GrantFiled: February 25, 2011Date of Patent: August 27, 2013Assignee: The United States of America as Represented by the Secretary of the NavyInventors: Kevin A. Boulais, Donald W. Rule, Karen J. Long, Francisco Santiago, Pearl Rayms-Keller, Victor H. Gehman, Jr.