Patents by Inventor Steven R. Brace

Steven R. Brace 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).

  • Position sensor
    Patent number: 6667740
    Abstract: A low cost x-y digitising system is provided for use in consumer electronic devices, such as portable digital assistants, mobile telephones, web browsers and the like. The digitiser includes a resonant stylus, an excitation winding for energising the resonant stylus and a set of sensor windings for sensing the signal generated by the stylus, from which the x-y position of the stylus is determined.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: December 23, 2003
  • Position sensor
    Publication number: 20010001430
    Abstract: A low cost x-y digitising system is provided for use in consumer electronic devices, such as portable digital assistants, mobile telephones, web browsers and the like. The digitiser includes a resonant stylus, an excitation winding for energising the resonant stylus and a set of sensor windings for sensing the signal generated by the stylus, from which the x-y position of the stylus is determined.
    Type: Application
    Filed: January 5, 2001
    Publication date: May 24, 2001