Digital signature system and method thereof
US8369587B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 19, 2010 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | May 25, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/64
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A digital signature system includes an Electronic Data Interchange (EDI) server and a portable terminal communicating with the EDI server. The portable terminal includes a touch-sensitive display, and a processing unit includes a receiving module configured for receiving a file from the EDI server, a signature mode control module configured for providing a signature file mode for users to select, a signature file creating module configured for recording signature input through the touch-sensitive display and creating a signature file to record the input signature if the signature file mode is selected, and a file combining module configured for combining the signature file and the file from the EDI server into a composite signature file. A related method is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.