Patents by Inventor Aristeidis Karalis

Aristeidis Karalis 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).

  • WIRELESS ENERGY TRANSFER USING VARIABLE SIZE RESONATORS AND SYSTEM MONITORING
    Publication number: 20140361627
    Abstract: A variable effective size magnetic resonator includes an array of resonators each being one of at least two substantially different characteristic sizes and at least one power and control circuit configured to selectively connect to and energize at least one of the array of resonators.
    Type: Application
    Filed: June 7, 2013
    Publication date: December 11, 2014
    Inventors: Andre B. Kurs, Aristeidis Karalis, Morris P. Kesler, Andrew J. Campanella, Katherine L. Hall, Konrad J. Kulikowski, Marin Soljacic
  • Wireless energy transfer with variable size resonators for medical applications
    Patent number: 8907531
    Abstract: A medical device-powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver includes a load configured to power an implantable medical device using electrical power, and a second electromagnetic resonator adapted to be housed within the medical device and configured to be coupled to the load, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator, the area circumscribed by the inductive element of at least one of the electromagnetic resonators can be varied to improve performance.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: December 9, 2014
    Assignee: WiTricity Corporation
    Inventors: Katherine L. Hall, Volkan Efe, Morris P. Kesler, Andrew J. Campanella, Aristeidis Karalis, Andre B. Kurs, Marin Soljacic, Konrad Kulikowski
  • EFFICIENT NEAR-FIELD WIRELESS ENERGY TRANSFER USING ADIABATIC SYSTEM VARIATIONS
    Publication number: 20140354071
    Abstract: Disclosed is a method for transferring energy wirelessly including transferring energy wirelessly from a first resonator structure to an intermediate resonator structure, wherein the coupling rate between the first resonator structure and the intermediate resonator structure is ?1B, transferring energy wirelessly from the intermediate resonator structure to a second resonator structure, wherein the coupling rate between the intermediate resonator structure and the second resonator structure is ?B2, and during the wireless energy transfers, adjusting at least one of the coupling rates ?1B and ?B2 to reduce energy accumulation in the intermediate resonator structure and improve wireless energy transfer from the first resonator structure to the second resonator structure through the intermediate resonator structure.
    Type: Application
    Filed: August 13, 2014
    Publication date: December 4, 2014
    Inventors: Rafif E. Hamam, Aristeidis Karalis, John D. Joannopoulos, Marin Soljacic
  • Wireless energy transfer with variable size resonators for implanted medical devices
    Patent number: 8901778
    Abstract: A medical device-powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver including a load is configured to power the medical device using electrical power, and a second electromagnetic resonator adapted to be housed within the medical device and configured to be coupled to the load, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator, the area circumscribed by the inductive element of at least one of the electromagnetic resonators can be varied to improve performance.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: December 2, 2014
    Assignee: WiTricity Corporation
    Inventors: Morris P. Kesler, Katherine L. Hall, Konrad Kulikowski, Aristeidis Karalis, Andre B. Kurs, Marin Soljacic, Andrew J. Campanella, Volkan Efe
  • Wireless energy transfer with resonator arrays for medical applications
    Patent number: 8901779
    Abstract: A medical device-powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver includes a load configured to power the medical device using electrical power, and a second electromagnetic resonator adapted to be housed within the medical device and configured to be coupled to the load, at least one other electromagnetic resonator configured with the first electromagnetic resonator and the second electromagnetic resonator in an array of electromagnetic resonators to distribute power over an area, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the array to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: December 2, 2014
    Assignee: WiTricity Corporation
    Inventors: Morris P. Kesler, Katherine L. Hall, Andrew J. Campanella, Aristeidis Karalis, Andre B. Kurs, Marin Soljacic, Konrad Kulikowski
  • Wireless energy transfer modeling tool
    Patent number: 8875086
    Abstract: A method includes defining and storing one or more attributes of a source resonator and a device resonator forming a system, defining and storing the interaction between the source resonator and the device resonator, modeling the electromagnetic performance of the system to derive one or more modeled values and utilizing the derived one or more modeled values to design an impedance matching network.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: October 28, 2014
    Assignee: WiTricity Corporation
    Inventors: Simon Verghese, Volkan Efe, Morris P. Kesler, Andre B. Kurs, Aristeidis Karalis, Alexander Patrick McCauley, Maria Empar Rollano Hijarrubia
  • Wireless energy transfer for implantable devices
    Patent number: 8847548
    Abstract: Wireless energy transfer methods and designs for implantable electronics and devices include, in at least one aspect, a source resonator external to a patient, a device resonator coupled to an implantable device and being internal to the patient, a temperature sensor, and a tunable component coupled to the device resonator, wherein the tunable component is adjusted to detune a resonant frequency in response to measurement from the temperature sensor, and wherein a strength of the oscillating magnetic fields generated by the source resonator is adjusted to increase power output to maintain a level of power captured by the device resonator, thereby compensating for reduced efficiency resulting from detuning of the device resonator via the tunable component.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: September 30, 2014
    Assignee: WiTricity Corporation
    Inventors: Morris P. Kesler, Katherine L. Hall, Andre B. Kurs, Aristeidis Karalis, Marin Soljacic, Andrew J. Campanella, David A. Schatz
  • WIRELESS ENERGY TRANSFER
    Publication number: 20140265617
    Abstract: A wireless power system includes: i) a power source; ii) a source resonator configured to receive power from the power source; iii) a receiver resonator configured to provide power to a load; and iv) at least one repeater resonator configured to couple power wirelessly from the source resonator to the receiver resonator. The power source is configured to provide power to the source resonator at a first frequency f1 different from at least one of the resonant frequencies corresponding to the resonators.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 18, 2014
    Inventors: Arunanshu Mohan Roy, Volkan Efe, Aristeidis Karalis, Andre B. Kurs, Alexander Patrick McCauley, Morris P. Kesler, Katherine L. Hall
  • Efficient near-field wireless energy transfer using adiabatic system variations
    Patent number: 8836172
    Abstract: Disclosed is a method for transferring energy wirelessly including transferring energy wirelessly from a first resonator structure to an intermediate resonator structure, wherein the coupling rate between the first resonator structure and the intermediate resonator structure is ?1B, transferring energy wirelessly from the intermediate resonator structure to a second resonator structure, wherein the coupling rate between the intermediate resonator structure and the second resonator structure is ?B2, and during the wireless energy transfers, adjusting at least one of the coupling rates ?1B and ?B2 to reduce energy accumulation in the intermediate resonator structure and improve wireless energy transfer from the first resonator structure to the second resonator structure through the intermediate resonator structure.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: September 16, 2014
    Assignee: Massachusetts Institute of Technology
    Inventors: Rafif E. Hamam, Aristeidis Karalis, John D. Joannopoulos, Marin Soljacic
  • Wireless energy transfer to a moving device between high-Q resonators
    Patent number: 8791599
    Abstract: Described herein are embodiments of a first resonator with a quality factor, Q1, greater than 100, coupled to an energy source, generating an oscillating near field region, and a second resonator, with a quality factor, Q2, greater than 100, optionally coupled to an energy drain, and moving freely within the near field region of the first resonator. The first resonator and the second resonator may be coupled to transfer electromagnetic energy from said first resonator to said second resonator as the second resonator moves freely within the near field region.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: July 29, 2014
    Assignee: Massachusetts Institute of Technology
    Inventors: John D. Joannopoulos, Aristeidis Karalis, Marin Soljacic
  • Wireless energy transfer across a distance to a moving device
    Patent number: 8772972
    Abstract: Described herein are embodiments of a first resonator coupled to an energy source generating an oscillating near field region, and a second resonator optionally coupled to an energy drain and moving freely within the near field region of the first resonator. The first resonator and the second resonator may be coupled to transfer electromagnetic energy from said first resonator to said second resonator as the second resonator moves freely within the near field region, and where the region may include distances greater than the characteristic size of the smaller of the first resonator and the second resonator.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: July 8, 2014
    Assignee: Massachusetts Institute of Technology
    Inventors: John D. Joannopoulos, Aristeidis Karalis, Marin Soljacic
  • Wireless energy transfer across variable distances with high-Q capacitively-loaded conducting-wire loops
    Patent number: 8772971
    Abstract: Described herein are embodiments of at least one source resonator coupled to an energy source generating an oscillating near field region, and at least one device resonator optionally coupled to an electronic device located at a variable distance within the at least one source resonator's near-field region, where at least two of the resonators comprise high-Q capacitively-loaded conducting-wire loops.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: July 8, 2014
    Assignee: Massachusetts Institute of Technology
    Inventors: John D. Joannopoulos, Aristeidis Karalis, Marin Soljacic
  • Wireless energy transfer over distances to a moving device
    Patent number: 8766485
    Abstract: Described herein are embodiments of a source resonator coupled to an energy source generating an oscillating near field region; and at least one device resonator optionally coupled to at least one energy drain and freely moving within the near field region of the source resonator. The source resonator and the at least one device resonator may be coupled to transfer electromagnetic energy wirelessly from said source resonator to said at least one device resonator as the at least one device resonator moves freely within the near field region, where the source resonator and the at least one device resonator may be coupled to provide ?/sqrt(?1?2)>0.2 over an operating region.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: July 1, 2014
    Assignee: Massachusetts Institute of Technology
    Inventors: John D. Joannopoulos, Aristeidis Karalis, Marin Soljacic
  • WIRELESS ENERGY TRANSFER MODELING TOOL
    Publication number: 20140181782
    Abstract: A method includes defining and storing one or more attributes of a source resonator and a device resonator forming a system, defining and storing the interaction between the source resonator and the device resonator, modeling the electromagnetic performance of the system to derive one or more modeled values and utilizing the derived one or more modeled values to design an impedance matching network.
    Type: Application
    Filed: December 31, 2013
    Publication date: June 26, 2014
    Applicant: WiTricity Corporation
    Inventors: Simon Verghese, Volkan Efe, Morris P. Kesler, Andre B. Kurs, Aristeidis Karalis, Alexander Patrick McCauley, Maria Empar Rollano Hijarrubia
  • LOW AC RESISTANCE CONDUCTOR DESIGNS
    Publication number: 20140175898
    Abstract: Described herein are improved configurations for providing a stranded printed circuit board trace comprising, a plurality of conductor layers, a plurality of individual conductor traces on each of the said conductor layers, and a plurality of vias for connecting individual conductor traces on different said conductor layers, the vias located on the outside edges of the stranded trace. The individual conductor traces of each layer may be routed from vias on one side of the stranded printed circuit board trace to vias on the other side in a substantially diagonal direction with respect to the axis of the stranded printed circuit board trace. In embodiments, the stranded printed circuit board trace configuration may be applied to a wireless power transfer system.
    Type: Application
    Filed: February 26, 2014
    Publication date: June 26, 2014
    Inventors: Andre B. Kurs, Aristeidis Karalis, Morris P. Kesler, Andrew J. Campanella, Katherine L. Hall, Konrad J. Kulikowski, Marin Soljacic
  • Wireless energy transfer over variable distances between resonators of substantially similar resonant frequencies
    Patent number: 8760008
    Abstract: Described herein are embodiments of a first resonator, with a resonant frequency f1, optionally coupled to an energy source; and a second resonator, with a resonant frequency f2, optionally coupled to an energy drain, located a variable distance from the first resonator. The first resonator and the second resonator may be coupled to provide near-field wireless energy transfer among the first resonator and the second resonator, and where f1 may be approximately equal to f2 and both f1 and f2 may be less than 400 MHz.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: June 24, 2014
    Assignee: Massachusetts Institute of Technology
    Inventors: John D. Joannopoulos, Aristeidis Karalis, Marin Soljacic
  • Wireless energy transfer with high-Q to more than one device
    Patent number: 8760007
    Abstract: Described herein are embodiments of a source high-Q resonator, optionally coupled to an energy source, a second high-Q resonator, optionally coupled to an energy drain that may be located a distance from the source resonator. A third high-Q resonator, optionally coupled to an energy drain that may be located a distance from the source resonator. The source resonator and at least one of the second resonator and third resonator may be coupled to transfer electromagnetic energy from said source resonator to said at least one of the second resonator and third resonator.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: June 24, 2014
    Assignee: Massachusetts Institute of Technology
    Inventors: John D. Joannopoulos, Aristeidis Karalis, Marin Soljacic
  • Low AC resistance conductor designs
    Patent number: 8716903
    Abstract: Described herein are improved configurations for providing a stranded printed circuit board trace comprising, a plurality of conductor layers, a plurality of individual conductor traces on each of the said conductor layers, and a plurality of vias for connecting individual conductor traces on different said conductor layers, the vias located on the outside edges of the stranded trace. The individual conductor traces of each layer may be routed from vias on one side of the stranded printed circuit board trace to vias on the other side in a substantially diagonal direction with respect to the axis of the stranded printed circuit board trace. In embodiments, the stranded printed circuit board trace configuration may be applied to a wireless power transfer system.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: May 6, 2014
    Assignee: WiTricity Corporation
    Inventors: Andre B. Kurs, Aristeidis Karalis, Morris Kesler, Andrew J. Campanella, Katherine L. Hall, Konrad J. Kulikowski, Marin Soljacic
  • TUNABLE WIRELESS ENERGY TRANSFER SYSTEMS
    Publication number: 20140103738
    Abstract: Described herein are improved configurations for a wireless power transfer. A power source for driving a resonator includes a switching amplifier. The duty cycle of the switching amplifier may be adjusted as well as optionally inductors and/or capacitors of the circuit to improve the efficiency of power transfer from the power source to the resonators when the parameters of the resonant load change.
    Type: Application
    Filed: December 24, 2013
    Publication date: April 17, 2014
    Inventors: Andrew J. Campanella, Herbert T. Lou, Morris P. Kesler, Katherine L. Hall, Ron Fiorello, Aristeidis Karalis
  • Wireless energy transfer with frequency hopping
    Patent number: 8692410
    Abstract: Described herein are improved capabilities for a source resonator having a Q-factor Q1>100 and a characteristic size x1 coupled to an energy source, and a second resonator having a Q-factor Q2>100 and a characteristic size x2 coupled to an energy drain located a distance D from the source resonator, where the source resonator and the second resonator are coupled to exchange energy wirelessly among the source resonator and the second resonator.
    Type: Grant
    Filed: December 31, 2009
    Date of Patent: April 8, 2014
    Assignee: WiTricity Corporation
    Inventors: David A. Schatz, Aristeidis Karalis, Katherine L. Hall, Morris P. Kesler, Marin Soljacic, Eric R. Giler, Andre B. Kurs, Konrad J. Kulikowski