Patents by Inventor James William Harrington

James William Harrington 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: 9184912
    Abstract: A method and apparatus for sharing information. First bits are selected from a shared secret key in a first device. The first bits have a selected length. Second bits with the selected length in signals are sent from the first device to a second device. The signals have selected types of properties based on the first bits. The second bits are encoded in states for the selected types of properties. A key is generated in the first device. The key is based on the second bits received at the second device having the selected types of properties identified as matching expected types of properties.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: November 10, 2015
    Assignee: THE BOEING COMPANY
    Inventor: James William Harrington
  • Publication number: 20150188701
    Abstract: A protocol processor for exchange of messages in a quantum cryptographic system includes a common database for message parameter storage. Message exchanges between user stations are based on parameters extracted from messages and stored, and subsequently retrieved and inserted into new messages.
    Type: Application
    Filed: August 16, 2013
    Publication date: July 2, 2015
    Inventors: Jane E. Nordholt, Richard John Hughes, Jane Marie Riese, Christine Marie Ahrens, Charles Glen Peterson, James William Harrington
  • Publication number: 20130275757
    Abstract: A method and apparatus for sharing information. First bits are selected from a shared secret key in a first device. The first bits have a selected length. Second bits with the selected length in signals are sent from the first device to a second device. The signals have selected types of properties based on the first bits. The second bits are encoded in states for the selected types of properties. A key is generated in the first device. The key is based on the second bits received at the second device having the selected types of properties identified as matching expected types of properties.
    Type: Application
    Filed: April 17, 2012
    Publication date: October 17, 2013
    Applicant: THE BOEING COMPANY
    Inventor: James William Harrington