Patents by Inventor Chang-Lin Pi

Chang-Lin Pi 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: 20030043421
    Abstract: A scanner includes a housing, a transparent platform, a scanning module, a motor, a front compensation element and a rear compensation element. The housing includes a front section, a rear section, and a scanning section. The transparent platform is installed on the housing for a document to be placed on. The scanning module is installed inside the housing for scanning the document. The motor is used to drive the scanning module. The front and rear compensation elements are installed inside the housing to assist the motor with starting and stopping the scanning module.
    Type: Application
    Filed: July 4, 2002
    Publication date: March 6, 2003
    Inventor: Chang-Lin Pi