Patents by Inventor Lawrence John Chapa

Lawrence John Chapa 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).

  • Patent number: 8265688
    Abstract: The present invention provides a hand-held device including a split touch sensitive input surface, the touch sensitive input surface including a first touch sensitive array, which has a position sensor adapted for detecting a relative position of a first pointer device, and a second touch sensitive array which has a position sensor adapted for detecting a relative position of a second pointer device. The second touch sensitive array is separate from the first touch sensitive array and is located on a common side with the first touch sensitive array.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: September 11, 2012
    Assignee: Motorola Mobility LLC
    Inventors: Hafid Hamadene, Roger J. Jellicoe, Donald W Zerrien, Lawrence John Chapa
  • Publication number: 20090325643
    Abstract: The present invention provides a hand-held device including a split touch sensitive input surface, the touch sensitive input surface including a first touch sensitive array, which has a position sensor adapted for detecting a relative position of a first pointer device, and a second touch sensitive array which has a position sensor adapted for detecting a relative position of a second pointer device. The second touch sensitive array is separate from the first touch sensitive array and is located on a common side with the first touch sensitive array.
    Type: Application
    Filed: December 23, 2008
    Publication date: December 31, 2009
    Applicant: Motorola, Inc.
    Inventors: Hafid Hamadene, Roger J. Jellicoe, Donald W. Zerrien, Lawrence John Chapa