Patents by Inventor David Michael Head

David Michael Head 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).

  • Patent number: 6930514
    Abstract: Systems and methods for transferring data. A circuit transfers information between two buses using different signal voltage levels and multiplexes signals applied to the second bus over multiple devices coupled thereto. The data on a first data bus is transferred at a first voltage level and the data on a second data bus is transferred at a second voltage level. For example, the first data bus may transfer data at 3.3V and the second data bus may transfer data at 5V. A logic device (e.g., a CPLD) is connected between the first and the second data buses for transferring the data between the first and second voltage levels. The logic device is also configured for multiplexing the data with the second voltage level between first and second devices (e.g., one or more LEDs and/or NVSRAMs) connected to the second data bus.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: August 16, 2005
    Assignee: LSI Logic Corporation
    Inventors: Justin Randolph McCollum, Stephen Scott Piper, David Michael Head
  • Publication number: 20040061528
    Abstract: Systems and methods for transferring data. A circuit transfers information between two buses using different signal voltage levels and multiplexes signals applied to the second bus over multiple devices coupled thereto. The data on a first data bus is transferred at a first voltage level and the data on a second data bus is transferred at a second voltage level. For example, the first data bus may transfer data at 3.3V and the second data bus may transfer data at 5V. A logic device (e.g., a CPLD) is connected between the first and the second data buses for transferring the data between the first and second voltage levels. The logic device is also configured for multiplexing the data with the second voltage level between first and second devices (e.g., one or more LEDs and/or NVSRAMs) connected to the second data bus.
    Type: Application
    Filed: September 30, 2002
    Publication date: April 1, 2004
    Inventors: Justin Randolph McCollum, Stephen Scott Piper, David Michael Head