Electronic device and battery pack

Abstract

An electronic device includes a storing unit which is provided on a battery pack and which retains power information of the battery pack, an acquiring unit which is provided in the main unit and which acquires the power information of the battery pack from the storing unit, and a control unit which is provided in the main unit and which controls the operation of the main unit based on the power information of the battery pack.

1 . (canceled) 
     
     
         2 . An electronic device driven by power supplied from a battery pack installed in a main unit of said electronic device, comprising:
 a storing unit, provided in the battery pack, for storing power information of the battery pack;   an acquiring unit, provided in the main unit, for acquiring the power information of the battery pack; and   a control unit, provided in the main unit, for controlling a frequency of the main unit based on the power information of the battery pack acquired by said acquiring unit.   
     
     
         3 . The electronic device according to  claim 2 , wherein the power information of the battery pack is regularly stored by said storing unit, and the regularly stored power information is continuously or intermittently acquired by said acquiring unit. 
     
     
         4 . The electronic device according to  claim 2 , wherein the power information including a maximum amount of power that can be delivered by the battery pack. 
     
     
         5 . The electronic device according to  claim 4 , wherein the maximum amount of power is a maximum amount of energy per unit time that can be delivered by the battery pack. 
     
     
         6 . The electronic device according to  claim 4 , wherein the maximum amount of power is calculated based on at least one of an ambient temperature, voltage, and deterioration factor. 
     
     
         7 . The electronic device according to  claim 2 , wherein the battery pack has thereon a detectable part for enabling detection of the type of the battery pack,
 the main unit has thereon a detecting part for reading the detectable part to detect the type of the battery pack, and   the control unit controls the operation of the main unit based on power information stored in the battery pack, whose type is detected.   
     
     
         8 . The electronic device according to  claim 7 , further comprising:
 a housing for the battery pack with, on an outer surface thereof, one of a detectable projection and a detectable recess as the detectable part,   wherein the main unit has, thereon, as the detecting part, one of a detecting recess into which the detectable projection is to be inserted and a detecting projection to be inserted into the detectable recess.   
     
     
         9 . A method comprising:
 storing power information of a battery pack installed in a main unit of an electronic device in the battery pack;   acquiring the power information of the battery pack by the main unit; and   controlling a frequency of the main unit based on the power information of the battery pack acquired by said acquiring.