×

INFORMATION PROCESSING APPARATUS AND DATA BACKUP METHOD

  • US 20090198931A1
  • Filed: 01/30/2009
  • Published: 08/06/2009
  • Est. Priority Date: 02/01/2008
  • Status: Active Grant
First Claim
Patent Images

1. An information processing apparatus operable with power from an external power source, comprising;

  • a volatile memory for storing data;

    a nonvolatile memory for backupping the data stored in the volatile memory;

    a controller for controlling backup of the data in accordance with a process comprising the steps of;

    saving the data stored in the volatile memory into the nonvolatile memory when the power from the external power source to the information processing apparatus is stopped;

    upon recovery of the power from the external power source, writing back the data saved in the nonvolatile memory into the volatile memory; and

    deleting the data saved in the nonvolatile memory;

    wherein when the power from the external power source to the information processing apparatus is stopped during deleting data in the nonvolatile memory, the controller selectively writes back deleted data from the volatile memory into the nonvolatile memory.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×