Patents Examined by G. Issing
  • Touch panel input control method
    Patent number: 4914358
    Abstract: An object placed on a transparent touch panel horizontally arranged on a CRT is detected as an undesired material if a touch state longer than a normal key-in input time is detected. Removal of the undesired material is requested by the CRT display or an audio unit so that repetitive malfunction is prevented. A second longer time may be set to call a service man.
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: April 3, 1990
    Assignee: Hitachi, Ltd.
    Inventor: Kenji Nakamura