Patents by Inventor Te Ming Chiang

Te Ming Chiang 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 two parallel wheel sets for maintaining scanning direction
    Patent number: 6266164
    Abstract: The present invention discloses a scanning device using two parallel wheel sets to maintain scanning direction of its scanning module. The scanning device comprises a housing, a scanning module and a driving device. The housing comprises a transparent platform set in its top for placing a document, and two parallel tracks installed along left and right directions inside the housing under the transparent platform. The driving device is installed inside the housing for driving the scanning module along the two parallel tracks to scan the document. The scanning module is slidably mounted on the two parallel tracks for scanning the document. It comprises an elongated image sensor having two ends, and two wheel sets installed under the two ends of the image sensor separately for engaging the two parallel tracks.
    Type: Grant
    Filed: January 27, 1998
    Date of Patent: July 24, 2001
    Assignee: Primax Electronics Ltd.
    Inventor: Te Ming Chiang