A memory device and techniques for its operation are presented. After operating on power received from a host, the memory device determines that it is no longer receiving host power and, in response, activates a power source on the memory device itself. Using this reserve power, the memory device can...http://www.google.de/patents/US20090089481?utm_source=gb-gplus-sharePatent US20090089481 - Leveraging Portable System Power to Enhance Memory Management and Enable Application Level Features
