Patents by Inventor Tatjana Hrnjez

Tatjana Hrnjez 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).

  • Electronic devices having automatic frequency control systems and methods and computer program products for operating the same
    Patent number: 7177602
    Abstract: An automatic frequency control (AFC) system in an electronic device is operated by using an AFC-algorithm component to determine a frequency error corresponding to a difference between a frequency of a signal output from a signal generator and a received signal frequency. The frequency error determined by the AFC-algorithm component is multiplied by a scaling factor, which is set to zero after an adjustment has been made to change a frequency of the signal output from the signal generator. The scaling factor is increased from zero to one over time. The scaled frequency error is used to determine whether to adjust the frequency of the signal output from the signal generator.
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: February 13, 2007
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mikael Ziren, Jonas Ohlsson, Tatjana Hrnjez, Elias Jonsson, Bo Bernhardsson
  • Electronic devices having automatic frequency control systems and methods and computer program products for operating the same
    Publication number: 20040058657
    Abstract: An automatic frequency control (AFC) system in an electronic device is operated by using an AFC-algorithm component to determine a frequency error corresponding to a difference between a frequency of a signal output from a signal generator and a received signal frequency. The frequency error determined by the AFC-algorithm component is multiplied by a scaling factor, which is set to zero after an adjustment has been made to change a frequency of the signal output from the signal generator. The scaling factor is increased from zero to one over time. The scaled frequency error is used to determine whether to adjust the frequency of the signal output from the signal generator.
    Type: Application
    Filed: June 10, 2003
    Publication date: March 25, 2004
    Inventors: Mikael Ziren, Jonas Ohlsson, Tatjana Hrnjez, Elias Jonsson, Bo Bernhardsson