Patents by Inventor Yung-Li Li

Yung-Li Li 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).

  • Printing apparatus and method for improving quality of printing image
    Patent number: 7063400
    Abstract: The present invention is related to an apparatus and a method for improving the quality of printing. The reference timings are adjusted by random values to decrease the cyclic unevenness of images associated with the conventional technique. The random values may be generated by the apparatus itself or may be received from an external device, such as a personal computer. The distance between two adjacent dots changes, and the unevenness of images is scattered to provide a higher quality of printing.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: June 20, 2006
    Assignee: Benq Corporation
    Inventors: Ben-Chuan Du, Yung-Li Li
  • Printing apparatus and method for improving quality of printing image
    Publication number: 20020118239
    Abstract: The present invention is related to an apparatus and a method for improving the quality of printing. The reference timings are adjusted by random values to decrease the cyclic unevenness of images associated with the conventional technique. The random values may be generated by the apparatus itself or may be received from an external device, such as a personal computer. The distance between two adjacent dots changes, and the unevenness of images is scattered to provide a higher quality of printing.
    Type: Application
    Filed: February 26, 2002
    Publication date: August 29, 2002
    Applicant: Benq Corporation
    Inventors: Ben-Chuan Du, Yung-Li Li