Cellular phone applied systems with interaction by figures on diagrams

The purpose of this research is to provide a system framework that enables users to interact with systems by icons, using cellular phones as user interface devices. The response of the interaction of the system must be quick enough to satisfy users under such limitations as data transmission speed and performance. This work describes an application framework that separates interaction logic into a server and a client. To reduce the amount of client-side logic and transmission data, the interaction logic of both server-side and client-side cooperate to achieve user´s operation using a simple script. A prototype system has been developed and evaluated. The client program immediately updates the screen when a user handles icons. The number of requests to the server is reduced 30%, and it takes less than 9 seconds to display typical contents, good enough for practical use.