Abstract: A portable e-pay system and method, comprises a card reading module to charge customers by reading their credit cards. The system further comprises tax information memory used to store transaction information with an electronic signature, and the system also comprises a volatile memory used to store the information of a taxpayer. Furthermore, the portable e-pay system also has a printer, a credit-card authorization module and a credit-card payment request module.

Abstract: A portable e-pay system and method, comprises a card reading module to charge customers by reading their credit cards. The system further comprises tax information memory used to store transaction information with an electronic signature, and the system also comprises a volatile memory used to store the information of a taxpayer. Furthermore, the portable e-pay system also has a printer, a credit-card authorization module and a credit-card payment request module.

Abstract: A separable point of sale system includes a mainframe and a base. The mainframe has one or more base connecting sockets, a case, a touch screen and a power receiving socket, and the case has a mainframe tenon; the base has an inputting module, one or more mainframe connecting plugs, a base tenon, a power supply plug and a trough used to accommodate the mainframe. The base tenon operatively connects with the mainframe tenon, and the amount of the mainframe connecting plugs and that of the base connecting sockets are the same. When the mainframe tenon connects with the base tenon, the mainframe is vertically placed in the trough.

Abstract: A base for a point of sale system includes a baseboard and a first connection base. The point of sale system further comprises a mainframe, which includes one or more connection sockets, a case with a mainframe tenon and a touch panel. The baseboard has a baseboard tenon separably connected to the mainframe tenon. In addition, the first connection base has a first extending position and a first connection position, and the first connection base has a first connection base sliding unit and one or more than one connection plugs. The connection plugs are at the same side of the first connection sliding unit which is opposite to the connection sockets, and the amount of the connection plugs and the connection sockets are the same, and, on the other hand, the relative disposition of the connection plugs and the connection sockets are corresponsive. Further, the first baseboard sliding unit slidably connects to the first connection base sliding unit.

Abstract: A separable point of sale system includes a mainframe and a base. The mainframe has one or more base connecting sockets, a case, a touch screen and a power receiving socket, and the case has a mainframe tenon; the base has an inputting module, one or more mainframe connecting plugs, a base tenon, a power supply plug and a trough used to accommodate the mainframe. The base tenon operatively connects with the mainframe tenon, and the amount of the mainframe connecting plugs and that of the base connecting sockets are the same. When the mainframe tenon connects with the base tenon, the mainframe is vertically placed in the trough.