Method and system of protecting files
US9503900B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 24, 2014 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Dec 24, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/64
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Provided is a method of protecting files of an electronic device. In the method, a pre-setting return information is read in a wireless communication tag; a setting interface is provided; the files of the electronic device is selected through the setting interface; a predetermined protection time period and a pre-setting return information are set through the setting interface; wireless communication signal having a fixed frequency is transmitted by the electronic device; the selected files are encrypted if no pre-setting return information is obtained by the electronic device from the wireless communication tag; the selected files are deleted upon the condition that the selected files are encrypted for the predetermined protection time period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.