Patents by Inventor De-Rong Chen

De-Rong 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).

  • Method and apparatus for automatic detection of disk type in a computer system
    Patent number: 5721952
    Abstract: Techniques for a computer system to automatically detect the type of hard disk drive installed in the system even if the hard disk drive has been replaced or upgraded. A method includes retrieving data from a partition table and calculating the necessary parameters from the values in the partition table. In a specific embodiment, the method includes calculating a HEAD parameter and a SECTORS/TRACK parameter from certain addresses stored in the partition table. The method further includes sending an IDENTIFY DRIVE (ID) command to the hard disk drive. Some types of hard disk drive communicate additional information in response to the ID command. The method includes calculating a CYLINDER parameter, using such additional information, if provided. Otherwise, the CYLINDER parameter is calculated from information in the partition table.
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: February 24, 1998
    Assignee: Acer Incorporated
    Inventors: Juin-Xian Lin, De-Rong Chen, Fang-Ping Chiang