Patents by Inventor Sanji Nakabayashi

Sanji Nakabayashi 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).

  • Coordinate input sheet with correction electrodes
    Patent number: 4745242
    Abstract: A coordinate input sheet for use in a coordinate digitizer apparatus has at least one auxiliary electrode disposed between and in parallel with main electrodes provided at opposite ends of a resistance surface. The auxiliary electrode is used to either measure a voltage at its respective position which can be used to correct point contact data generated by said sheet or to apply a voltage to said sheet so that point data generated by said sheet is correct.
    Type: Grant
    Filed: February 9, 1987
    Date of Patent: May 17, 1988
    Assignee: Omron Tateisi Electronics Co.
    Inventors: Haruyuki Koizumi, Shinichi Hashizume, Koichi Omae, Sanji Nakabayashi