Wireless communications terminal, communications protocol switching method, communications protocol switching program, and integrated circuit of wireless communications terminal
US7796949B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 2, 2005 |
| Grant date | Sep 14, 2010 |
| Priority date | — |
| Expiry date | Mar 15, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B15/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A wireless communications terminal prevents radio interferences caused by other wireless communications concurrent with a contactless communication. A wireless communications terminal receives, in a contactless communication, a command from a reader/writer via a second wireless communications section, and analyzes the received command. The wireless communications terminal controls a wireless communications control section to deactivate or temporarily deactivate the function of a first wireless communications section depending on the analysis of the command. After the function of the first wireless communications section is deactivated or temporarily deactivated, the wireless communications terminal accesses a memory area of an IC card microcomputer system as specified by the command to perform a contactless communication.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.