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The Boeing Company Assigned Two Patents

Write caching using volatile shadow memory, secure removable storage for aircraft

Write caching using volatile shadow memory
The Boeing Company, Chicago, IL, has been assigned a patent (10,089,224) developed by Ellerbrock, Philip J., Cottleville, MO, Zettwoch, Robert N., St. Charles, MO, and Winkelmann, Joseph P., St. Peters, MO, for a “write caching using volatile shadow memory.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “An apparatus is provided that includes a non-volatile, device storage) memory configured to store data in a plurality of locations. The apparatus also includes a device interface coupled to the non-volatile memory and including a volatile, (device storage) shadow memory configured to store an image of the plurality of locations of the non-volatile memory in a corresponding plurality of locations of the volatile shadow memory. The device interface is configured to receive a command across a network bus from a bus controller, and in response thereto, the device interface is configured to write data from the network bus to a location in the non-volatile memory. This write includes the device interface being configured to write the data to the corresponding location in the volatile shadow memory, and thereafter write the data from the corresponding location in the volatile shadow memory to the location in the non-volatile memory.

The patent application was filed on March 15, 2013 (13/835,191).

Secure removable storage for aircraft 
The Boeing Company, Chicago, IL, has been assigned a patent (10,083,325) developed by Angus, Ian Gareth, Mercer Island, WA, and Santiago, Rodolfo Acuna, Bellevue, WA, for a “
secure removable storage for aircraft systems.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Techniques are disclosed for securing backup operational data, (e.g., of an aircraft) maintained by a line-replaceable unit, (LRU) in a removable storage media device. The LRU generates a first encryption key. The LRU encrypts the operational data using the first encryption key. The LRU generates a second encryption key based on key data of at least a second LRU. The LRU encrypts the first encryption key using the second encryption key.

The patent application was filed on November 16, 2015 (14/942,680).

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