Patents by Inventor Hsien-Hsiang Teng

Hsien-Hsiang Teng 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).

  • Pre-recorded compact disc and copy-limit method thereof
    Patent number: 6785218
    Abstract: A copy-limit pre-recorded CD (Compact Disc) and a copy-limit method protect the data recorded on the pre-recorded CD from copied onto a recordable CD. The pre-recorded CD (Compact Disc) includes a data area of the pre-recorded CD and an indivisible file. The storage capacity of a data area of the recordable CD is Z. The indivisible file is stored in the data area of the pre-recorded CD and has a file size Y which approximately ranges between Z+10 MB and Z+100 MB. The copying action is prohibited to proceed when the indivisible file with a size is larger than the storage capacity of the data area of a recordable CD is determined.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: August 31, 2004
    Assignee: CMC Magnetics Corporation
    Inventors: Chia-Chieh Chang, Hsien-Hsiang Teng, Pai-Lu Wang, Don-Yau Chiang, Huang-Sheng Liu
  • Pre-recorded compact disc and copy-limit method thereof
    Publication number: 20020181368
    Abstract: A copy-limit pre-recorded CD (Compact Disc) and a copy-limit method protect the data recorded on the pre-recorded CD from copied onto a recordable CD. The pre-recorded CD (Compact Disc) includes a data area of the pre-recorded CD and an indivisible file. The storage capacity of a data area of the recordable CD is Z. The indivisible file is stored in the data area of the pre-recorded CD and has a file size Y which approximately ranges between Z+10 MB and Z+100 MB. The copying action is prohibited to proceed when the indivisible file with a size is larger than the storage capacity of the data area of a recordable CD is determined.
    Type: Application
    Filed: November 30, 2001
    Publication date: December 5, 2002
    Inventors: Chia-Chieh Chang, Hsien-Hsiang Teng, Pai-Lu Wang, Don-Yau Chiang, Huang-Sheng Liu