Patent ID: 8494478

Claim:
A data backup system, comprising: a first device configured to identify a data to transmit and to transmit the data at a selected rate, wherein the data is stored on the first device; a mobile phone in communication with the first device, and configured to transmit a battery power level of the mobile phone to the first device, to receive the data from the first device, to store the data in a memory of the mobile phone, and to transmit the data; and a backup server in communication with the mobile phone configured to receive the data from the mobile phone; wherein the mobile phone transmits the data when it has a wireless network connection, wherein the mobile phone defers transmitting the data when the mobile phone has no wireless network connection, and wherein the memory of the mobile phone is freed after transmitting the data to the backup server; wherein when the battery power level drops below a first threshold, the first device is configured to transmit the data at a first periodic rate; wherein when the battery power level indication drops below a second threshold, the first device is configured to transmit the data at a second periodic rate, and wherein the second periodic rate is less frequent than the first periodic rate; and wherein the data comprises a plurality of changes, each of the plurality of changes received by the mobile phone in a separate transmission, and wherein the memory of the mobile phone is freed upon a single transmission of the plurality of changes to the backup server.