Patents by Inventor Axel Altenkirch

Axel Altenkirch 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).

  • Mobile electronic device having audio connector providing an antenna function
    Patent number: 7558607
    Abstract: The present invention discloses a mobile electronic device, having a radio receiver (28), an amplifier (24) and an audio connector (20) for connecting to a headphone (2). Said audio connector (2) comprises at least one first contact and at least one second contact, wherein said first contact is connected to ground and to said radio receiver (28), and said second contact is connected to said amplifier (24). The electronic device is characterized by a band-pass filter component (26) interconnected between said first contact and said radio receiver (28) so that only a predefined frequency range can pass to the radio receiver, preventing cross talk interference from transmitters operated in proximity.
    Type: Grant
    Filed: June 12, 2002
    Date of Patent: July 7, 2009
    Assignee: Nokia Corporation
    Inventors: Wolfgang Edeler, Axel Altenkirch
  • Mobile electronic device having audio connector providing an antenna function
    Publication number: 20050181844
    Abstract: The present invention discloses a mobile electronic device, having a radio receiver (28), an amplifier (24) and an audio connector (20) for connecting to a headphone (2). Said audio connector (2) comprises at least one first contact and at least one second contact, wherein said first contact is connected to ground and to said radio receiver (28), and said second contact is connected to said amplifier (24). The electronic device is characterized by a band-pass filter component (26) interconnected between said first contact and said radio receiver (28) so that only a predefined frequency range can pass to the radio receiver, preventing cross talk interference from transmitters operated in proximity.
    Type: Application
    Filed: June 12, 2002
    Publication date: August 18, 2005
    Inventors: Wolfgang Edeler, Axel Altenkirch