The arrangement has power supply units (1A, 1B) for generating an output-side operating voltage. A current consuming component (8) is electrically coupled with the units, where power consumption of the component is less than combined output power of the un...

An electronic device includes a battery-pack installing portion that holds a battery pack in a detachable manner; sensing means for sensing that a battery pack is installed in the battery-pack installing portion; detecting means for detecting data related ...

This invention relates to a portable information terminal having a plurality of functions such as a radio communication terminal unit (4), a data processing terminal unit (5), a digital camera unit (6), etc. The portable information terminal comprises a pl...