Patents by Inventor Chee G. Chen

Chee G. Chen 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).

  • Transparent touch switching system
    Patent number: 4516112
    Abstract: A transparent touch switching system is provided for direct overlay on a display screen to enable operator input by merely touching the screen. A piezoelectric polymer film is supported above the screen for selective localized depression towards the screen. The film has transparent flexible conductive coatings on opposite sides thereof for voltage generation in response to depression of the film.
    Type: Grant
    Filed: February 22, 1982
    Date of Patent: May 7, 1985
    Assignee: Eaton Corporation
    Inventor: Chee G. Chen