Portable telephone which can carry out optical communication for saving power consumption and avoiding erroneous operation without complex operation

摘要

A portable telephone apparatus includes a body, a window section, a cover section, an optical communication section, and a control section. The window section is provided in the body. The cover section is provided on the body to cover the window section. The cover section is opened and closed. The optical communication section is provided inside the body. The optical communication section performs an optical communication through the window section when the cover section is opened. The control section is provided in the body. The control section activates the optical communication section when the cover section is opened and deactivates the optical communication section when the cover section is closed.