Patents by Inventor Christopher A. Klug

Christopher A. Klug 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).

  • Publication number: 20220003824
    Abstract: Disclosed herein is a method of: providing a circuit having: a rechargeable pouch cell battery comprising lithium and an electrically insulating coating, a first electrical lead in contact with the coating at a first location on the battery, a second electrical lead in contact with the coating at a second location on the battery, a tuning capacitor in parallel to the battery, and an impedance matching capacitor in series with the battery and the tuning capacitor; placing the battery in a magnetic field; applying a radio frequency voltage to the circuit; and detecting a 7Li nuclear magnetic resonance signal in response to the voltage.
    Type: Application
    Filed: July 1, 2021
    Publication date: January 6, 2022
    Applicant: The Government of the United States of America, as represented by the Secretary of the Navy
    Inventors: Christopher A. Klug, Stefan Benders, III, Mohadesse Mohammadi, Alexej Jerschow
  • Patent number: 10775459
    Abstract: The invention relates to compounds known as “optorelaxers,” for example, spin crossover (SCO) complexes that exhibit light-induced excited state spin trapping (LIESST) effects with transient unpaired electron spins, which are created (or destroyed) by varying the level and/or wavelength of light to which the complexes are exposed. Light conditions are used to switch the optorelaxers between transient paramagnetic and diamagnetic states to provide real-time control of T1 relaxation in nuclear magnetic resonance (NMR) spectroscopy methods. The optorelaxers and methods of the invention provide increased detection sensitivity of NMR spectroscopy, with increased structural information content, while maintaining resolution for a wide variety of different NMR-active nuclei.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: September 15, 2020
    Assignee: The Government of the United States of America, as represented by the Secretary of the Navy
    Inventors: James P. Yesinowski, Joel B. Miller, Christopher A. Klug
  • Patent number: 7791342
    Abstract: A device for detecting a class of target species containing quadrupolar nuclei in a specimen by nuclear quadrupole resonance, comprising a pulse generator for generating a three-pulse-composite-pulse to refocus signals that were excited by another pulse, an irradiator for irradiating a specimen with the three-pulse-composite-pulse, a detector for detecting an NQR signal in response to irradiating the specimen, a coupler for transmitting the three-pulse-composite-pulse to the irradiating means, and a transformer for converting the free induction decay signal into a frequency domain signal. A method for detecting a class of target species containing quadrupolar nuclei in a specimen by nuclear quadrupole resonance, comprising generating a three-pulse-composite-pulse, irradiating said specimen with said three-pulse-composite-pulse, detecting an NQR signal in response to irradiating said specimen and converting said free induction decay signal into a frequency domain signal.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: September 7, 2010
    Inventors: Karen L. Sauer, Christopher A. Klug, Michael L. Bucss, Joel B. Miller
  • Publication number: 20090027049
    Abstract: A device for detecting a class of target species containing quadrupolar nuclei in a specimen by nuclear quadrupole resonance, comprising pulse generating means for generating a three-pulse-composite-pulse to refocus signals that were excited by another pulse, irradiating means for irradiating a specimen with the three-pulse-composite-pulse, detecting means for detecting an NQR signal in response to irradiating the specimen, coupling means for transmitting the three-pulse-composite-pulse to the irradiating means, coupling means for receiving the NQR signal from the detecting means and transform means for converting the free induction decay signal into a frequency domain signal.
    Type: Application
    Filed: May 16, 2008
    Publication date: January 29, 2009
    Inventors: Karen L. Sauer, Christopher A. Klug, Michael L. Bucss, Joel B. Miller
  • Patent number: H2177
    Abstract: A magnetic resonance detection apparatus is provided that is not susceptible to acoustic ringing, and a method is provided for eliminating or canceling acoustic ringing from a detected magnetic resonance signal. Specifically, a composite pulse is utilized that allows for both efficient reduction of acoustic ringing signals and the detection of true NQR signals. The composite pulse can be used in any of the common NQR pulse sequences currently utilized simply via substitution of the original single pulses with the composite pulse. Furthermore, although a preferred application involves the spin-1 nucleus 14N and NQR, the composite pulse will be useful for the NQR of other nuclei such as 35CI and 39K and in NMR applications and involving half-integer quadrupolar nuclei and spin- 1/2 nuclei. In addition, coil ringdown and piezoelectric ringing are also substantially reduced.
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: January 2, 2007
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Karen L. Sauer, Christopher A. Klug, Allen Garroway, Joel B. Miller