Patents by Inventor Chang-Chen Chen

Chang-Chen Chen 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).

  • System and method for a universal output driver
    Patent number: 6421748
    Abstract: The inventive system and method simulate the actions of a selected output device driver, and then record all the request and information for the document output. The quality and size of the document output are optimized according to the properties of the selected output device driver and supported resources before it is sent to the selected remote output device. When the document output data is sent to the remote site, it is restored and converted to a format acceptable by the selected output device driver for outputting a document of desired format and quality. The inventive method and system for the universal output driver facilitate the operations of network outputting so that a local host does not have to install the driver of the selected driver. Moreover, the invention can optimize the document output in accordance to the properties of the selected output device, thereby to ensure the quality of the document output and increase the transmission speed.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: July 16, 2002
    Assignee: Nadio.com, Inc.
    Inventors: Jo-Tsen Lin, Wei-Chuan Li, Chang-Chen Chen, Chien-Wen Chen, Hsin-Yu Lin, Wang-Hsing Huang