Patents by Inventor Tai Anh Lam

Tai Anh Lam 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: 10897130
    Abstract: A protection circuit configured to protect delicate electronics from high power signals is disclosed herein. To that end, the protection circuit includes a limiter circuit comprising a phase changing material to prevent high power signals from reaching one or more electronic circuits. The phase changing material assumes a limiting state automatically when an energy of an applied signal exceeds a threshold, which limits the energy of the signal passed on to any associated electronics.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: January 19, 2021
    Assignee: THE BOEING COMPANY
    Inventor: Tai Anh Lam
  • Publication number: 20200174287
    Abstract: Various techniques provide systems and methods for facilitating aperture protection. In one example, a system for facilitating aperture protection is provided. The system includes an optical limiter device. The optical limiter device includes a thermochromic material and a plurality of nanostructures, where each of the nanostructures is in contact with a portion of the thermochromic material. At least a subset of the nanostructures is configured to receive incident light and generate heat in response to the incident light. At least a portion of the thermochromic material is configured to transition from a first state to a second state in response to the heat and block the incident light when the portion is in the second state. The portion is configured to transition from the second state back to the first state when the portion cools, such as upon removal of the incident light. Related methods and products are also provided.
    Type: Application
    Filed: December 3, 2018
    Publication date: June 4, 2020
    Inventor: Tai Anh Lam
  • Patent number: 10444417
    Abstract: Various techniques provide optical limiters for facilitating aperture protection. In one example, a system includes an optical device. The optical device includes a photocathode configured to emit electrons in response to an applied voltage and an incident light. The optical device further includes a phase change material. At least a portion of the phase change material is configured to receive the electrons from the photocathode. The portion is further configured to transition from a first phase to a second phase in response to the electrons. The portion is further configured to reflect the incident light when the portion of the phase change material is in the second phase. Related methods and products are also provided.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: October 15, 2019
    Assignee: THE BOEING COMPANY
    Inventor: Tai Anh Lam
  • Publication number: 20190305548
    Abstract: A protection circuit configured to protect delicate electronics from high power signals is disclosed herein. To that end, the protection circuit includes a limiter circuit comprising a phase changing material to prevent high power signals from reaching one or more electronic circuits. The phase changing material assumes a limiting state automatically when an energy of an applied signal exceeds a threshold, which limits the energy of the signal passed on to any associated electronics.
    Type: Application
    Filed: March 30, 2018
    Publication date: October 3, 2019
    Inventor: Tai Anh Lam
  • Patent number: 10290949
    Abstract: A passively switched resonant chamber includes one or more conductive walls defining a resonant cavity configured to store energy in an electromagnetic field. The passively switched resonant chamber also includes a switching device that includes a first conductive wire having a first end extending into the resonant cavity. The switching device also includes a second conductive wire having a second end extending into the resonant cavity. The second end is separated from the first end by a gap. A phase change material in the gap is configured to switch from a non-conductive state to a conductive state in response to a strength of the electric field in the resonant cavity satisfying a threshold.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: May 14, 2019
    Assignee: The Boeing Company
    Inventor: Tai Anh Lam
  • Publication number: 20190094430
    Abstract: Various techniques provide optical limiters for facilitating aperture protection. In one example, a system includes an optical device. The optical device includes a photocathode configured to emit electrons in response to an applied voltage and an incident light. The optical device further includes a phase change material. At least a portion of the phase change material is configured to receive the electrons from the photocathode. The portion is further configured to transition from a first phase to a second phase in response to the electrons. The portion is further configured to reflect the incident light when the portion of the phase change material is in the second phase. Related methods and products are also provided.
    Type: Application
    Filed: September 26, 2017
    Publication date: March 28, 2019
    Inventor: Tai Anh Lam
  • Patent number: 10244631
    Abstract: A microwave device can include a printed circuit board substrate having a first microwave device subcircuit and a microdevice substrate having a second microwave device subcircuit. The first microwave device subcircuit may be formed at a low resolution and a low tolerance, while the second microwave device subcircuit may be formed at a high resolution and a high tolerance. The first microwave device subcircuit and the second microwave device subcircuit may be electrically coupled using a conductor.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: March 26, 2019
    Assignee: THE BOEING COMPANY
    Inventors: Tai Anh Lam, Jean Ann Nielsen, Minas H. Tanielian
  • Publication number: 20190074596
    Abstract: A passively switched resonant chamber includes one or more conductive walls defining a resonant cavity configured to store energy in an electromagnetic field. The passively switched resonant chamber also includes a switching device that includes a first conductive wire having a first end extending into the resonant cavity. The switching device also includes a second conductive wire having a second end extending into the resonant cavity. The second end is separated from the first end by a gap. A phase change material in the gap is configured to switch from a non-conductive state to a conductive state in response to a strength of the electric field in the resonant cavity satisfying a threshold.
    Type: Application
    Filed: September 7, 2017
    Publication date: March 7, 2019
    Inventor: Tai Anh Lam
  • Publication number: 20170055342
    Abstract: A microwave device can include a printed circuit board substrate having a first microwave device subcircuit and a microdevice substrate having a second microwave device subcircuit. The first microwave device subcircuit may be formed at a low resolution and a low tolerance, while the second microwave device subcircuit may be formed at a high resolution and a high tolerance. The first microwave device subcircuit and the second microwave device subcircuit may be electrically coupled using a conductor.
    Type: Application
    Filed: August 21, 2015
    Publication date: February 23, 2017
    Inventors: Tai Anh Lam, Jean Ann Nielsen, Minas H. Tanielian
  • Patent number: 8659502
    Abstract: A method and apparatus are present for creating a negative index metamaterial lens for use with a phased array antenna. A design having a buckyball shape is created for the negative index metamaterial lens. The buckyball shape is capable of bending a beam generated by the phased array antenna to around 90 degrees from a vertical orientation to form an initial design. The initial design is modified to include discrete components to form a discrete design. Materials are selected for the discrete components. Negative index metamaterial unit cells are designed for the discrete components to form designed negative index metamaterial unit cells. The designed negative index metamaterial unit cells are fabricated to form fabricated designed negative index metamaterial unit cells. The negative index metamaterial lens is formed from the designed negative index metamaterial unit cells.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: February 25, 2014
    Assignee: The Boeing Company
    Inventors: Tai Anh Lam, Minas H. Tanielian, David R. Smith
  • Publication number: 20140009350
    Abstract: A method and apparatus are present for creating a negative index metamaterial lens for use with a phased array antenna. A design having a buckyball shape is created for the negative index metamaterial lens. The buckyball shape is capable of bending a beam generated by the phased array antenna to around 90 degrees from a vertical orientation to form an initial design. The initial design is modified to include discrete components to form a discrete design. Materials are selected for the discrete components. Negative index metamaterial unit cells are designed for the discrete components to form designed negative index metamaterial unit cells. The designed negative index metamaterial unit cells are fabricated to form fabricated designed negative index metamaterial unit cells. The negative index metamaterial lens is formed from the designed negative index metamaterial unit cells.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 9, 2014
    Applicant: The Boeing Company
    Inventors: Tai Anh Lam, Minas H. Tanielian, David R. Smith
  • Patent number: 8534417
    Abstract: A method for providing a shock penetration resistant apparatus may include providing an item of protective gear to be positioned proximate to an object to be protected, and disposing a shock penetration resistant material proximate to the item of protective gear to attenuate or redirect shock pulses away from the object to be protected. An apparatus is also provided that may include an item of protective gear and a shock penetration resistant material. The item of protective gear may be configured to be positioned proximate to an object to be protected. The shock penetration resistant material may be disposed proximate to the item of protective gear to attenuate or redirect shock pulses away from the object to be protected.
    Type: Grant
    Filed: May 14, 2010
    Date of Patent: September 17, 2013
    Assignee: The Boeing Company
    Inventors: Tai Anh Lam, Victor S. Starkovich
  • Patent number: 8493281
    Abstract: A method and apparatus are present for creating a negative index metamaterial lens for use with a phased array antenna. A design having a buckyball shape is created for the negative index metamaterial lens. The buckyball shape is capable of bending a beam generated by the phased array antenna to around 90 degrees from a vertical orientation to form an initial design. The initial design is modified to include discrete components to form a discrete design. Materials are selected for the discrete components. Negative index metamaterial unit cells are designed for the discrete components to form designed negative index metamaterial unit cells. The designed negative index metamaterial unit cells are fabricated to form fabricated designed negative index metamaterial unit cells. The negative index metamaterial lens is formed from the designed negative index metamaterial unit cells.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: July 23, 2013
    Assignee: The Boeing Company
    Inventors: Tai Anh Lam, Minas H. Tanielin, David R. Smith
  • Patent number: 8487832
    Abstract: A method and apparatus are present for steering a radio frequency beam. The radio frequency beam is emitted from an array of antenna elements at a first angle into a lens at a location for the lens. The first angle of the radio frequency beam is changed to a second angle when the radio frequency beam exits the lens. The second angle changes when the location at which the radio frequency beam enters the lens changes. The second angle of the radio frequency beam is changed to a third angle when the radio frequency beam with the second angle passes through a negative index metamaterial lens located over the lens.
    Type: Grant
    Filed: January 18, 2010
    Date of Patent: July 16, 2013
    Assignee: The Boeing Company
    Inventors: Tai Anh Lam, Minas Hagop Tanielian, Claudio Gilbert Parazzoli, John Stephen Derov
  • Publication number: 20120274525
    Abstract: A method and apparatus are present for steering a radio frequency beam. The radio frequency beam is emitted from an array of antenna elements at a first angle into a lens at a location for the lens. The first angle of the radio frequency beam is changed to a second angle when the radio frequency beam exits the lens. The second angle changes when the location at which the radio frequency beam enters the lens changes. The second angle of the radio frequency beam is changed to a third angle when the radio frequency beam with the second angle passes through a negative index metamaterial lens located over the lens.
    Type: Application
    Filed: January 18, 2010
    Publication date: November 1, 2012
    Applicant: THE BOEING COMPANY
    Inventors: Tai Anh Lam, Minas Hagop Tanielian, Claudio Gilbert Parazzoli, John Stephen Derov
  • Patent number: 8130171
    Abstract: A method and apparatus for a negative index metamaterial lens. The method is used for creating a negative index metamaterial lens for use with a phased array antenna. A design is created for the negative index materials lens that is capable of bending a beam generated by the phased array antenna to around 90 degrees from a vertical orientation to form an initial design. The initial design is modified to include discrete components to form a discrete design. Materials are selected for the discrete components. Negative index metamaterial unit cells are designed for the discrete components to form designed negative index metamaterial unit cells. The designed negative index metamaterial unit cells are fabricated to form fabricated designed negative index metamaterial unit cells. The negative index metamaterial lens is formed from the designed negative index metamaterial unit cells.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: March 6, 2012
    Assignee: The Boeing Company
    Inventors: Tai Anh Lam, Claudio G. Parazzoli, Minas Tanielian
  • Publication number: 20110277201
    Abstract: A method for providing a shock penetration resistant apparatus may include providing an item of protective gear to be positioned proximate to an object to be protected, and disposing a shock penetration resistant material proximate to the item of protective gear to attenuate or redirect shock pulses away from the object to be protected. An apparatus is also provided that may include an item of protective gear and a shock penetration resistant material. The item of protective gear may be configured to be positioned proximate to an object to be protected. The shock penetration resistant material may be disposed proximate to the item of protective gear to attenuate or redirect shock pulses away from the object to be protected.
    Type: Application
    Filed: May 14, 2010
    Publication date: November 17, 2011
    Inventors: Tai Anh Lam, Victor S. Starkovich
  • Publication number: 20100277398
    Abstract: A method and apparatus for a negative index metamaterial lens. The method is used for creating a negative index metamaterial lens for use with a phased array antenna. A design is created for the negative index materials lens that is capable of bending a beam generated by the phased array antenna to around 90 degrees from a vertical orientation to form an initial design. The initial design is modified to include discrete components to form a discrete design. Materials are selected for the discrete components. Negative index metamaterial unit cells are designed for the discrete components to form designed negative index metamaterial unit cells. The designed negative index metamaterial unit cells are fabricated to form fabricated designed negative index metamaterial unit cells. The negative index metamaterial lens is formed from the designed negative index metamaterial unit cells.
    Type: Application
    Filed: March 12, 2008
    Publication date: November 4, 2010
    Inventors: Tai Anh Lam, Claudio G. Parazzoli, Minas Tanielian
  • Publication number: 20100079354
    Abstract: A method and apparatus are present for creating a negative index metamaterial lens for use with a phased array antenna. A design having a buckyball shape is created for the negative index metamaterial lens. The buckyball shape is capable of bending a beam generated by the phased array antenna to around 90 degrees from a vertical orientation to form an initial design. The initial design is modified to include discrete components to form a discrete design. Materials are selected for the discrete components. Negative index metamaterial unit cells are designed for the discrete components to form designed negative index metamaterial unit cells. The designed negative index metamaterial unit cells are fabricated to form fabricated designed negative index metamaterial unit cells. The negative index metamaterial lens is formed from the designed negative index metamaterial unit cells.
    Type: Application
    Filed: March 26, 2009
    Publication date: April 1, 2010
    Applicant: The Boeing Company
    Inventors: Tai Anh Lam, Minas H. Tanielian, David R. Smith