Patent ID: 6177779
Filing Date: 2001-01-23
Classification: G06F,H01M,H02J,Y02E

Abstract:
An information processing apparatus in which plural battery packs are loaded as power supply so that they can be inserted or removed, each battery pack having charge control switch means and discharge control switch means,the apparatus comprising:mode control means for setting operation mode of each battery pack on the basis of a detection result of a detector means for detecting the state where the battery pack is loaded, the control means setting an active mode by turning ON the charge control switch means and turning ON said discharge control switch means, setting a passive mode by turning OFF the charge control switch means and turning ON said discharge control switch means, and setting a shut mode by turning OFF the charge control switch means and turning OFF said discharge control switch means; and the detector means interlocking with a loading mechanism for loading the battery pack and detecting a release state of the loading mechanism before the battery pack is completely removed.