Patents by Inventor Wen L. Chang

Wen L. Chang 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).

  • Local IDE (integrated drive electronics) bus architecture
    Patent number: 5295247
    Abstract: A local bus IDE (Integrated Drive Electronics) interface bus architecture provides a direct connection to enable a fast interface between CPU and IDE drives. Also, a programmable command pulse width and I/O cycle recovery time is implemented at the IDE port to provide a finely tuned tuned access cycle time for different drives and provide optimum performance. Also, there is the capability of implementing existing hard disk interfaces with future drives.
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: March 15, 1994
    Assignee: Micronics Computers, Inc.
    Inventors: Wen L. Chang, Justin S. Wang, Dean Chang