Foerfarande och arrangemang foer att spara stroem i en mobil station

摘要

The invention relates to a method and to an arrangement for conserving power in a mobile phone. According to the invention the mobile phone's display unit (11) is controlled into the active state and the inactive state, respectively, on the basis of the light intensity of the environment. A display unit (11) here means the display (17) and the display driver. As a result of the pressing of a key of the keyboard the display unit (11) is controlled into the active state for a predetermined time. The arrangement for conserving power in a mobile phone comprises a measuring arrangement (12) for detecting the light intensity of the environment, a processing unit (13) for processing the light intensity information, and a switch unit (14) for switching the state of the display unit (11) into the active/inactive state on the basis of the light intensity.