| 摘要 |
According to the present invention, provided is a multi-functional multi-tray which is able to transfer multiple beer glasses or cups at a time and enables a user to charge portable devices (a mobile phone, a tablet PC, a laptop, etc.) by adding a charging function to the tray. Moreover, the present invention provides the multi-functional multi-tray and an information exchanging and processing system using the multi-functional multi-tray, wherein the tray enables a business owner and a customer to communicate smoothly by adding a function capable of calling a clerk and a function of performing a menu order, an additional order, an intermediate billing, and a payment to the tray. To this end, the present invention comprises: the multi-functional multi-tray which accommodates multiple beer glasses or cups at a time, is able to charge a portable device by including a battery inside, displays a signal of an external or internal terminal by receiving the signal, is able to perform transmission and reception with the external terminal by having a terminal unit; and a host which is mutually compatible with any one function among a payment, image and voice transmission, and information transmission by performing transmission and reception with the multi-function multi-tray. |
