Patents by Inventor Qi-Feng Zou

Qi-Feng Zou 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).

  • Laminator with changeable rotation speed and heating temperature
    Patent number: 8220513
    Abstract: The present invention relates to a laminator with changeable rotation speed and heating temperature including a first roller set, a second roller set, a transmission gear set, a speed changing gear set, a first driving device, a second driving device, an input interface, a controller and a heating device. A user selects an option of the input interface according to film thickness. The controller determines rotation speed and heating temperature of the first roller set and the second roller set according to the option. Then the controller controls the second driving device to move the speed changing gear set to alter the engagement between the speed changing gear set and the transmission gear set, as to modulate the rotational speed of the first roller set and the second roller set.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: July 17, 2012
    Assignee: Primax Electronics Ltd.
    Inventors: Chih-Hsun Lin, Yen-Te Lee, Qi-Feng Zou