抄録
There has been an explosive growth in the field of personal electronic devices, such as personal handy telephones and mobile devices. Because these devices are powered by an internal battery, they have a limited operating time. There is a growing need for equipment that would enable recharging and powering these devices even in places where a power line is not available. We have developed a power-supply card powered by solar cells. We describe an examination the structure of the power-supply.
