Patents by Inventor En-Yi Chang

En-Yi Chang 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).

  • Publication number: 20090215487
    Abstract: A flexible electro acoustic actuator with an antenna is provided. The flexible electro acoustic actuator is formed with separate layers of carrier, acoustic oscillation component, intermediate component, and metal electro-conductive component, and characterized by using the metal electro-conductive component to form an antenna transceiver for receiving/sending electromagnetic signals, thereby enabling the flexible electro acoustic actuator to output multimedia sound effects as well as receive/send communication signals.
    Type: Application
    Filed: January 26, 2009
    Publication date: August 27, 2009
    Inventors: En-Yi Chang, Ting-Yu Hsieh