PORTABLE INFORMATION TERMINAL, STATE NOTICE METHOD, POWER CONSUMPTION REDUCTION METHOD, AND STORAGE MEDIUM

摘要

PROBLEM TO BE SOLVED: To miniaturize a portable information terminal. SOLUTION: The portable information terminal 100 that is connectable to a portable telephone terminal 200 provided with a notice means to a user transmits change information denoting a change in its own internal state to the portable telephone terminal 200 when detecting the change in the internal state of its own on the basis of a reply from a Web server 400 to allow the notice means of the portable telephone terminal 200 to inform the user about the change information. Furthermore, the portable information terminal 100 is provided with a display device 110 displaying information provided from an information service device on a network and reduces power supply to the display device 110 for a period from a point of time when requesting service of information to the information service device on the network via the portable telephone terminal 200 until a point of time when receiving a reply with respect to the request.