Patents by Inventor Michael C. Crisafulli

Michael C. Crisafulli 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).

  • System for loading a boot program into an initially blank programmable memory of a microprocessor using state machine and serial bus
    Patent number: 5652886
    Abstract: A state machine has specific states to boot a microprocessor and retrieve data from the microprocessor's memories while the microprocessor is running, but with operation temporarily suspended under control of the state machine. The state machine is programmed after it is installed on a circuit board with the microprocessor. The state machine is connected to a standard bus and through its specific states provides an interface to the microprocessor as well as the instructions for booting the microprocessor when the microprocessor is powered up.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: July 29, 1997
    Assignee: United Technologies Corporation
    Inventors: Bhalchandra R. Tulpule, Mark A. Foss, Edward J. Kysar, III, Edward M. Oscarson, Leonard Spain, Michael C. Crisafulli