Patents by Inventor Joel Hsien-Li Chen

Joel Hsien-Li 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).

  • Fast forward magnetic tape cartridge at first mount
    Patent number: 7719782
    Abstract: Handling a magnetic tape cartridge comprises the steps of reading cartridge mount information from the cartridge memory; determining from the cartridge mount information whether the present mount is the first mount of the magnetic tape cartridge; and if so, fast forward and rewind the magnetic tape of the magnetic tape cartridge, e.g., the fast forward is to end of tape (EOT) and the rewind is to beginning of tape (BOT). Alternatively, if the cartridge mount information indicates the present mount is the first mount of the magnetic tape cartridge; monitoring input/output with respect to the magnetic tape cartridge for write errors during the mount; determining whether the number of monitored write errors meets a predetermined threshold; and if so, fast forward and rewind the magnetic tape of the magnetic tape cartridge.
    Type: Grant
    Filed: January 7, 2009
    Date of Patent: May 18, 2010
    Assignee: International Business Machines Corporation
    Inventors: Allen Keith Bates, Shawn Owen Brume, Nhan Xuan Bui, Joel Hsien-Li Chen, Eric Rolf Christensen, Roger Javier Justo, Daniel James Winarski