Patents by Inventor Martin L. Lundquist

Martin L. Lundquist 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).

  • High voltage switch triggered by a laser-photocathode subsystem
    Patent number: 8350472
    Abstract: A spark gap switch for controlling the output of a high voltage pulse from a high voltage source, for example, a capacitor bank or a pulse forming network, to an external load such as a high gradient electron gun, laser, pulsed power accelerator or wide band radar. The combination of a UV laser and a high vacuum quartz cell, in which a photocathode and an anode are installed, is utilized as triggering devices to switch the spark gap from a non-conducting state to a conducting state with low delay and low jitter.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: January 8, 2013
    Assignee: DULY Research Inc.
    Inventors: Ping Chen, Martin L. Lundquist, David U. L. Yu
  • Compenstation scheme for the voltage droop of solid-state marx modulators
    Publication number: 20120326528
    Abstract: A novel design scheme for the compensation circuitry of solid-state Marx modulators has been described for enhancing the compensation ability of the compensation cells of solid-state Marx modulators and simplifying the entire circuitry of the modulator. High-speed solid-state switches are adopted in the new compensation cell for the control of the compensation actions. Inductive components and diodes are adopted in the design scheme to smooth the flattop of the voltage pulse output by the Marx modulator.
    Type: Application
    Filed: July 10, 2012
    Publication date: December 27, 2012
    Inventors: Ping Chen, Martin L. Lundquist, David U.L. Yu
  • High voltage switch triggered by a laser-photocathode subsystem
    Publication number: 20110215717
    Abstract: A spark gap switch for controlling the output of a high voltage pulse from a high voltage source, for example, a capacitor bank or a pulse forming network, to an external load such as a high gradient electron gun, laser, pulsed power accelerator or wide band radar. The combination of a UV laser and a high vacuum quartz cell, in which a photocathode and an anode are installed, is utilized as triggering devices to switch the spark gap from a non-conducting state to a conducting state with low delay and low jitter.
    Type: Application
    Filed: March 4, 2010
    Publication date: September 8, 2011
    Inventors: Ping Chen, Martin L. Lundquist, David U.L. Yu
  • Compensation schemes for the voltage droop of solid-state Marx modulators
    Publication number: 20110215791
    Abstract: A novel design scheme for the compensation circuitry of solid-state Marx modulators has been described for enhancing the compensation ability of the compensation cells of the Marx modulators and simplifying the entire circuitry. High-speed solid-state switches are adopted in the compensation circuitry for the control of the compensation actions. Inductive components and diodes are used in the design scheme to smooth voltage curve.
    Type: Application
    Filed: March 2, 2010
    Publication date: September 8, 2011
    Inventors: Ping Chen, Martin L. Lundquist, David U.L. Yu