Patents by Inventor Michael J Plummer

Michael J Plummer 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).

  • Upgrading software held in read-only storage
    Patent number: 7165247
    Abstract: A method and apparatus for upgrading software held in read-only storage are described comprising non-reprogrammable read-only memory (116) which stores a file manager program (120), program file A (122) and program file B (124) and a Flash® RAM (118) which stores file X (132). Under control of the file manager program (120), when an upgrade program file B+(126) is acquired, for example via the Internet, it is stored within Flash® RAM (118) and file X (132) is updated. When the software executes, file A (122) calls file B+(126) in preference to calling file B (124), in accordance with the contents of file X (132).
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: January 16, 2007
    Assignee: Koninklijke Philips Corporation N.V.
    Inventor: Michael J Plummer