Patent ID: 7082288
Filing Date: 2006-07-25
Classification: H04M,H04W,Y02D

Abstract:
1. A flip cellular phone having a casing to be folded, comprising: a battery; first memory means for storing data; nonvolatile memory means; detection means for detecting a residual amount of the battery; and control means for transferring data to be protected that is stored in the first memory means to the nonvolatile memory means in response to folding of the casing, wherein the control means checks a difference between a content of data stored in the nonvolatile memory and a content of the data to be protected, and the control means transfers the data to be protected to the nonvolatile memory if the content of the data stored in the nonvolatile memory means is different from the content of the data to be protected and the residual amount of the battery detected by the detection means is equal to or lower than a predetermined amount.