发明名称 NETWORK SYSTEM AND CONTROL METHOD OF A NETWORK SYSTEM, AND A CONTROL DEVICE
摘要 A POS terminal has a server-function unit with a server function, and a client-function unit. When able to communicate normally with the control server, the client-function unit communicates with the control server as a client of the control server, and executes processes with the control server. When unable to communicate normally with the control server 15, the client-function unit communicates with the server-function unit as a client of the server-function unit, and executes processes with the server-function unit.
申请公布号 US2016323419(A1) 申请公布日期 2016.11.03
申请号 US201615139993 申请日期 2016.04.27
申请人 Seiko Epson Corporation 发明人 CHIHARA Kazunori;YOSHIZAWA Junichi;TSUTSUMI Koichiro
分类号 H04L29/06;H04L12/26 主分类号 H04L29/06
代理机构 代理人
主权项 1. A network system comprising: a control server with a server function; and a control device configured to communicate with the server through the global network; the control device having a server-function unit with a server function, and a client-function unit configured to communicate with the control server as a client of the control server, and execute a process with the control server, when the client-function unit can communicate normally with the control server, and when the client-function unit cannot communicate normally with the control server, communicate with the server-function unit as a client of the server-function unit, and execute a process with the server-function unit.
地址 Tokyo JP