Patents by Inventor Hung-Wei Hsuen

Hung-Wei Hsuen 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).

  • Scanning device having a document pressing unit
    Patent number: 7920307
    Abstract: A scanning device includes a transparent platen, a scanning module, a sheet-feeding mechanism, a section and a pressing unit. The scanning module is disposed at a scan position and acquires an image of a document through the transparent platen. The sheet-feeding mechanism transports the document in a transporting direction across the scan position. The section is located downstream of the scan position, and has a low point at a level lower than that of an upper surface of the transparent platen. The pressing unit is disposed opposite the section and limits a distance between the document and the transparent platen. A contact portion between the pressing unit and the document is lower than the upper surface of the transparent platen.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: April 5, 2011
    Assignee: Avision Inc.
    Inventors: Thomas Sheng, Hung-Wei Hsuen
  • SCANNING DEVICE HAVING A DOCUMENT PRESSING UNIT
    Publication number: 20080285093
    Abstract: A scanning device includes a transparent platen, a scanning module, a sheet-feeding mechanism, a section and a pressing unit. The scanning module is disposed at a scan position and acquires an image of a document through the transparent platen. The sheet-feeding mechanism transports the document in a transporting direction across the scan position. The section is located downstream of the scan position, and has a low point at a level lower than that of an upper surface of the transparent platen. The pressing unit is disposed opposite the section and limits a distance between the document and the transparent platen.
    Type: Application
    Filed: April 10, 2008
    Publication date: November 20, 2008
    Inventors: Thomas Sheng, Hung-Wei Hsuen