It has been widely adopted in embedded systems, such as portable terminal.

Reliable power supply is one of the difficulties in the development of embedded portable terminal.

The Research and Realization of the Key Technologies in a Universal Handheld Terminal;

According to this, we put forward to develop embedded NC handheld terminal used for NC equipment in the workshop.

For tracing records of farming informations expediently and credibly , we design the system of collecting farming informa-tions ,which consists of the handset and the computer database.

However, people are not able to browse the entire Web pages freely and conveniently just like they do with browsers due to their handsets lack of big screen and power.

Wireless mobile terminals (with main compositions of information-gathering devices and front interface servers) as one of the most important parts of mobile-communication and moden information technology, has provided city information management system with strong supports.