Patents by Inventor Ruei-Tsang Chang

Ruei-Tsang 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: 20080304835
    Abstract: A digital photo album with a photo printer comprises a printing apparatus and a digital photo album. The printing apparatus includes a printer housing, a driving mechanism, a paper tray, and a printing unit. The driving mechanism, the paper tray, and the printing unit are installed in the printer housing. The digital photo album includes a frame and a display. The display is installed on the frame and combined with the printer housing of the printing apparatus. Thereby, the digital photo album with a photo printer can both display and print photos so that they can be viewed and printed according to the wishes of the user.
    Type: Application
    Filed: June 5, 2007
    Publication date: December 11, 2008
    Inventors: Ruei-Tsang Chang, Shang-Hsun Yang