Patents by Inventor Steven C. Stacey

Steven C. Stacey 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).

  • Circuit arrangement with a processor and at least two read-write memories
    Patent number: 4800532
    Abstract: In order for any failure of the power supply unit for two read-write memories which are operable in parallel, not to result in irreversible damage to data, two parallel power supply circuits are provided for the operation of the memories. Each power supply circuit is capable of supplying the operating current of one of the memories and the standby current of the remaining memory. Each of the power supply circuits in the power supply is buffered with capacitors in such a manner that, upon a fault in one of the power supply circuits, the output voltage, as soon as the capacitive buffer declines from a normal operating voltage to a threshold voltage and to a minimum operating voltage, data secure current reducing steps are taken.
    Type: Grant
    Filed: November 25, 1987
    Date of Patent: January 24, 1989
    Assignee: Siemens Aktiengesellschaft
    Inventors: Karl-Heinz Honeck, David Johnson, Manfred Neugebauer, Walter Teutsch, M. Vittal Kini, Steven C. Stacey