Patents by Inventor Siegfried H. Arnold

Siegfried H. Arnold 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).

  • Simplified de-rotation in digital FM demodulator architectures
    Patent number: 8184746
    Abstract: The present invention relates to a digital receiver for FM signals, in particular to a new demodulator structure and demodulating method, by which according to a first aspect of the invention the usual complex de-rotation process is reduced to a simple addition/subtraction. According to a second aspect of the invention, the requirements for the sampling frequency necessary for processing the demodulator signals are reduced substantially.
    Type: Grant
    Filed: July 3, 2006
    Date of Patent: May 22, 2012
    Assignee: NXP B.V.
    Inventor: Siegfried H. Arnold
  • SIMPLIFIED DE-ROTATION IN DIGITAL FM DEMODULATOR ARCHITECTURES
    Publication number: 20090103655
    Abstract: The present invention relates to a digital receiver for FM signals, in particular to a new demodulator structure and demodulating method, by which according to a first aspect of the invention the usual complex de-rotation process is reduced to a simple addition/subtraction. According to a second aspect of the invention, the requirements for the sampling frequency necessary for processing the demodulator signals are reduced substantially.
    Type: Application
    Filed: July 3, 2006
    Publication date: April 23, 2009
    Applicant: NXP B.V.
    Inventor: Siegfried H. Arnold