Patents by Inventor Ben-Jang Sun

Ben-Jang Sun 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).

  • Keyboard switchable between a computer mode and a calculator mode
    Publication number: 20040257342
    Abstract: In a keyboard switchable between a computer mode and a calculator mode, a plurality of keys, a processor, a calculator controller, a calculator display and a transmission apparatus are comprised. The processor scans the plurality of keys and transmits calculator key signals to the calculator controller to perform calculation under the calculation mode, and the calculation result is displayed on the calculator display. The transmission apparatus transmits the calculator key symbols and calculation result to an external apparatus by wired or wireless transmission under the calculator mode.
    Type: Application
    Filed: April 21, 2004
    Publication date: December 23, 2004
    Inventors: Yen-Chang Chiu, Chin-Nan Wu, Ben-Jang Sun