BATTERY PACK, ELECTRONIC DEVICE SYSTEM, AND METHOD OF DETECTING ATTACHMENT OF BATTERY PACK

摘要

PURPOSE: A battery pack, an electronic equipment system and a method of detecting loading of battery pack is provided to reduce the miniaturization and the unsatisfactory terminal contact. CONSTITUTION: A battery pack(2) is detachably loaded with respect to an electronic equipment(1) through an electric connecting portion(3) to thereby deliver power. A CPU(2f) of the battery pack(2) detects signal states of communication lines by using communication lines whereby the battery pack(2) detects whether the battery pack is in the state electrically connected to the connecting portion of the electronic equipment(1) or in the state electrically detached from the connecting portion of the electronic equipment(1).