Multi Code / Electronics

Due to the advancement of sciene, the use of electronics has been increasing.
Basically, the outlet of the power electronics through the supply of power through Will work.
Development of computer equipment due to the power supply of electronic products are being released into the usb types.
However, we can only use the usb supply when the computer turn on as using its power.
I propose "Melti-code"design for effective supply of power electronics.