| 摘要 |
PROBLEM TO BE SOLVED: To leave power for mist preferential telephone call by generating a signal by which a battery is consumed within a predetermined time even if the power of a predetermined additional time remains in addition to the predetermined time and interrupting power in the predetermined time when a predetermined operation is not executed before the predetermined time elapses. SOLUTION: Information obtained from an energy management unit 205 is stored in a micro processor 201. The state of a battery module 209, which is obtained from the energy management unit 205, is used for calculating remaining waiting time or remaining conversation time in the same way as other time following a battery power consumption curve by using the storage estimation value of power consumption when a system operates at a waiting mode or a conversation mode. A short time power complete consumption warning is started when battery power in the battery module 209 remains for ten minutes, for example. When a user does not depress a reservation key without two minutes from the start of warning, the power of a mobile telephone set is interrupted when two minutes elapses and eight minutes is left. |
