Patents by Inventor Mark Colman Atchison

Mark Colman Atchison 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).

  • Electrically disconnecting a peripheral device
    Patent number: 7325733
    Abstract: If a USB device is turned off or is not active, the device may be electrically disconnected from a USB host controller. The device may be electrically disconnected through a physical interface on the device. In some embodiments, if the device becomes active during a wait period (e.g., 2-3 seconds) prior to electrically disconnecting the device, the device may not be electrically disconnected. In some embodiments, when the device is electrically disconnected from the USB host controller and no system activity of a bus mastering peripheral is occurring, the CPU may enter a low power state if other conditions are met. In some embodiments, if the USB device becomes active after electrically disconnecting, the electrical disconnection may be discontinued.
    Type: Grant
    Filed: September 12, 2006
    Date of Patent: February 5, 2008
    Assignee: Standard Microsystems Corporation
    Inventors: Henry Wurzburg, Tetsuo Yamamoto, Mark Colman Atchison
  • Peripheral device feature allowing processors to enter a low power state
    Patent number: 7159766
    Abstract: If a USB device is turned off or is not active, the device may be electrically disconnected from a USB host controller. The device may be electrically disconnected through a physical interface on the device. In some embodiments, if the device becomes active during a wait period (e.g., 2–3 seconds) prior to electrically disconnecting the device, the device may not be electrically disconnected. In some embodiments, when the device is electrically disconnected from the USB host controller and no system activity of a bus mastering peripheral is occurring, the CPU may enter a low power state if other conditions are met. In some embodiments, if the USB device becomes active after electrically disconnecting, the electrical disconnection may be discontinued.
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: January 9, 2007
    Assignee: Standard Microsystems Corporation
    Inventors: Henry Wurzburg, Tetsuo Yamamoto, Mark Colman Atchison