Patents by Inventor Claus Peter Nielsen

Claus Peter Nielsen 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).

  • Microphone aided vibrator tuning
    Patent number: 7123948
    Abstract: A method of tuning an alert device in a portable communication apparatus having a microphone. The method involves the steps of recording, through the microphone, an acoustic signal which is emitted by the alert device in response to a drive signal; deriving a characteristic value of the recorded signal; comparing the characteristic value with a reference value and generating a comparison result; and controlling the drive signal of the alert device in response to the comparison result.
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: October 17, 2006
    Assignee: Nokia Corporation
    Inventor: Claus Peter Nielsen
  • Microphone aided vibrator tuning
    Publication number: 20040204147
    Abstract: A method of tuning an alert device in a portable communication apparatus having a microphone. The method involves the steps of recording, through the microphone, an acoustic signal which is emitted by the alert device in response to a drive signal; deriving a characteristic value of the recorded signal; comparing the characteristic value with a reference value and generating a comparison result; and controlling the drive signal of the alert device in response to the comparison result.
    Type: Application
    Filed: July 16, 2002
    Publication date: October 14, 2004
    Inventor: Claus Peter Nielsen