USB OTGOpen-To-Go The system and method for mobile charging using USB OTG function

摘要

The present invention relates to a mobile communication terminal charging system using a charging supply device having a USB open-to-go (OTG) function and a method thereof. A smartphone application is automatically preformed for charging by a USB OTG function if the smartphone for charging is connected to a USB terminal of the charging supply device which is installed on a table of a business establishment including a restaurant. A serial number of the charging supply device and a phone number of a user, which are transferred from the charging supply device by a USB network, are transferred to a providing server of an application program. The smartphone is charged on the table without being lost while being in the business establishment and can perform a menu request to the business establishment through the smartphone application by receiving a charging start signal from the providing server of the application program and a menu screen.