Patent Number: 7,787,874

Title: Portable electronic device, recording medium and communication function changeover method

Abstract: A mobile terminal has a wide-area wireless communication unit having a communication function of performing wireless communication with a public network, a mobile terminal communication unit having a communication function of performing wireless data communication with a local area network, and an information acquisition unit that performs wireless short-range communication with an information supply device which supplies information. The information acquisition unit performs communication with the information supply device to acquire information indicating whether or not wireless data communication over the local area network is possible near a location where the mobile terminal is located. A controller determines whether or not the data communication is possible based on the information acquired by the information acquisition unit, enables the communication function of the mobile terminal communication unit upon determination that the data communication is possible, and disables the communication function upon determination that the data communication is not possible.

Inventors: Itou; Toshihisa (Yokohama, JP)

Assignee: Casio Hitachi Mobile Communications Co., Ltd.

International Classification: H04M 3/00 (20060101)

Expiration Date: 8/31/12018