Patents by Inventor Amy E. Duwel
Amy E. Duwel 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: 11384966Abstract: The systems and methods described herein relate to remote cooling. More particularly, the systems described herein include a side to be cooled coupled to an object to be cooled, and a side where heat is dissipated at a distant location. The side to be cooled includes a thermodynamic energy converter and a coil that is electrically coupled to the thermodynamic energy converter. The side where heat is dissipated includes a coil configured to inductively couple with the coil of the side to be cooled. The side where heat is dissipated also includes a heating element electrically coupled to the second coil. The heating element is configured to convert electrical energy into thermal energy. The thermodynamic energy converter absorbs thermal energy from the object to be cooled and converts, directly or indirectly, the thermal energy into electrical energy.Type: GrantFiled: March 23, 2015Date of Patent: July 12, 2022Assignee: The Charles Stark Draper Laboratory, Inc.Inventor: Amy E. Duwel
-
Publication number: 20210119334Abstract: An optical and radio frequency (RF) antenna includes a substrate and a spiral pattern formed on and/or in the substrate from a metallic material. The spiral pattern has a central region and peripheral region surrounding the central region. The central region is configured to transmit and receive an optical signal at optical and/or infrared wavelengths and the peripheral region is configured to transmit and receive an RF signal at RF wavelengths. The central region and the peripheral region are configured such that an optical gain pattern of the central region and an RF gain pattern of the peripheral region are co-boresighted.Type: ApplicationFiled: October 21, 2019Publication date: April 22, 2021Inventors: Juha-Pekka J. Laine, Amy E. Duwel, Jacob P. Treadway, Robert Larsen, Steven J. Spector, Benjamin F. Lane, Stephen P. Smith
-
Patent number: 10490897Abstract: A reduced radar cross section (RCS) antenna does not require housing the antennas in a radar-mitigating radome. Elements of the antenna are made from, or include, frequency selective surfaces that reduce reflection of radar or other signals. In some embodiments, the frequency selective surfaces are electrically tunable, thereby enabling a user or system to dynamically adjust the frequency or frequencies that are mitigated.Type: GrantFiled: July 21, 2016Date of Patent: November 26, 2019Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: John E. Grandfield, Jacob P. Treadway, Amy E. Duwel
-
Patent number: 9293821Abstract: In various embodiments, an actuating mechanism is employed to displace a conductor disposed within a fluidic channel, thereby reconfiguring an electronic component.Type: GrantFiled: July 8, 2010Date of Patent: March 22, 2016Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Amy E. Duwel, Jason O. Fiering, Douglas W. White, Mark J. Mescher, Joseph M. Bauer, John R. Lachapelle, Bryan Mclaughlin, Frans Spaepen
-
Patent number: 9184496Abstract: In various embodiments, an inductance of an inductor is tuned by adjusting a position of a conductor and/or a magnetic material with respect to a conducting wire of the inductor, thereby changing the electro-magnetic characteristics of the conducting wire. The conductor and/or magnetic material can be disposed in a microfluidic channel and can be moved within the microfluidic channel using a suitable actuator mechanism.Type: GrantFiled: October 4, 2011Date of Patent: November 10, 2015Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Amy E. Duwel, Jason O. Fiering, Douglas W. White, Brian R. Smith
-
Publication number: 20150267944Abstract: The systems and methods described herein relate to remote cooling. More particularly, the systems described herein include a side to be cooled coupled to an object to be cooled, and a side where heat is dissipated at a distant location. The side to be cooled includes a thermodynamic energy converter and a coil that is electrically coupled to the thermodynamic energy converter. The side where heat is dissipated includes a coil configured to inductively couple with the coil of the side to be cooled. The side where heat is dissipated also includes a heating element electrically coupled to the second coil. The heating element is configured to convert electrical energy into thermal energy. The thermodynamic energy converter absorbs thermal energy from the object to be cooled and converts, directly or indirectly, the thermal energy into electrical energy.Type: ApplicationFiled: March 23, 2015Publication date: September 24, 2015Inventor: Amy E. Duwel
-
Publication number: 20120068801Abstract: In various embodiments, an inductance of an inductor is tuned by adjusting a position of a conductor and/or a magnetic material with respect to a conducting wire of the inductor, thereby changing the electro-magnetic characteristics of the conducting wire. The conductor and/or magnetic material can be disposed in a microfluidic channel and can be moved within the microfluidic channel using a suitable actuator mechanism.Type: ApplicationFiled: October 4, 2011Publication date: March 22, 2012Applicant: The Charles Stark Draper Laboratory, Inc.Inventors: Amy E. Duwel, Jason O. Fiering, Douglas W. White, Brian R. Smith
-
Publication number: 20120007778Abstract: In various embodiments, an actuating mechanism is employed to displace a conductor disposed within a fluidic channel, thereby reconfiguring an electronic component.Type: ApplicationFiled: July 8, 2010Publication date: January 12, 2012Inventors: Amy E. Duwel, Jason O. Fiering, Douglas W. White, Mark J. Mescher, Joseph M. Bauer, John R. Lachapelle, Bryan McLaughlin, Frans Spaepen
-
Patent number: 7741933Abstract: An electromagnetic composite metamaterial including an electromagnetic medium and a plurality of spaced electromechanical resonators disposed in or on the electromagnetic medium configured to control electromagnetic wave propagation properties in the electromagnetic composite metamaterial.Type: GrantFiled: June 29, 2007Date of Patent: June 22, 2010Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Amy E. Duwel, Jonathan S. Varsanik
-
Publication number: 20080136563Abstract: An electromagnetic composite metamaterial including an electromagnetic medium and a plurality of spaced electromechanical resonators disposed in or on the electromagnetic medium configured to control electromagnetic wave propagation properties in the electromagnetic composite metamaterial.Type: ApplicationFiled: June 29, 2007Publication date: June 12, 2008Inventors: Amy E. Duwel, Jonathan S. Varsanik
-
Patent number: 7172919Abstract: A method for reducing errors in a tuning fork gyroscope includes determining a first distance, gt, between an upper sense plate and a proof mass and a second distance, gb, between a lower sense plate and the proof mass. The method further includes applying a first voltage, Vt, to the upper sense plate and a second voltage, Vb, to the lower sense plate, wherein the ratio of the first voltage and the second voltage is a function of the first distance and the second distance.Type: GrantFiled: October 20, 2004Date of Patent: February 6, 2007Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Marc S. Weinberg, Anthony S. Kourepenis, William D. Sawyer, Jeffrey T. Borenstein, James H. Connelly, Amy E. Duwel, Christopher M. Lento, James R. Cousens
-
Patent number: 7005946Abstract: A longitudinal mode resonator that includes a substrate and a bar that is suspended relative to the substrate. The bar is suspended such that it is free to expand and contract longitudinally in response to the application of an electric field across its thickness. The expansion and contraction of the bar achieves resonance in response to the field having a frequency substantially equal to the fundamental frequency of the bar.Type: GrantFiled: July 31, 2003Date of Patent: February 28, 2006Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Amy E. Duwel, David J. Carter, Mark J. Mescher, Mathew Varghese, Bernard M. Antkowiak, Marc S. Weinberg
-
Patent number: 6862934Abstract: A tuning fork gyroscope typically including at least one proof mass with an upper sense plate disposed above the proof mass and a lower sense plate disposed below the proof mass and means for sensing changes in the nominal gaps between the sense plate and the proof mass and for outputting a signal indicative of the gyroscope angular rate.Type: GrantFiled: October 4, 2002Date of Patent: March 8, 2005Assignee: The Charles Stark Draper Laboratory, Inc.Inventors: Marc S. Weinberg, Anthony S. Kourepenis, William D. Sawyer, Jeffrey T. Borenstein, James H. Connelly, Amy E. Duwel, Christopher M. Lento, James R. Cousens
-
Publication number: 20040027214Abstract: A longitudinal mode resonator that includes a substrate and a bar that is suspended relative to the substrate. The bar is suspended such that it is free to expand and contract longitudinally in response to the application of an electric field across its thickness. The expansion and contraction of the bar achieves resonance in response to the field having a frequency substantially equal to the fundamental frequency of the bar.Type: ApplicationFiled: July 31, 2003Publication date: February 12, 2004Applicant: The Charles Stark Draper Laboratory, Inc.Inventors: Amy E. Duwel, David J. Carter, Mark J. Mescher, Mathew Varghese, Bernard M. Antkowiak, Marc S. Weinberg
-
Publication number: 20030066351Abstract: A tuning fork gyroscope typically including at least one proof mass with an upper sense plate disposed above the proof mass and a lower sense plate disposed below the proof mass and means for sensing changes in the nominal gaps between the sense plate and the proof mass and for outputting a signal indicative of the gyroscope angular rate.Type: ApplicationFiled: October 4, 2002Publication date: April 10, 2003Inventors: Marc S. Weinberg, Anthony S. Kourepenis, William D. Sawyer, Jeffrey T. Borenstein, James H. Connelly, Amy E. Duwel, Christopher M. Lento, James R. Cousens