Patents by Inventor Nils Bertil Noren

Nils Bertil Noren 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).

  • Compensation of long term oscillator drift using signals from distant hydrogen clouds
    Patent number: 5847613
    Abstract: A method and apparatus for compensating for the long term drift of an oscillator. Signals from hydrogen clouds are received and processed to generate an adjustment signal, which is used to adjust the frequency of the oscillator. The adjustment signal is derived from a frequency spectrum midpoint estimated from the signal strength of the received signals.
    Type: Grant
    Filed: June 18, 1997
    Date of Patent: December 8, 1998
    Assignee: Telefonaktiebolaget LM Ericsson
    Inventors: Carl Erik Joakim Langlet, Nils Bertil Noren