Internal and external network bill unified electronic service system
A service system, internal and external network technology, applied in the field of electronic bill service system, can solve the problem of not being a customer invoice delivery channel, poor reliability, inconvenience, etc., and achieve the effect of promoting research and development progress, promoting scientific management, and broadening the scope of services
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[0019] like figure 1 As shown, the unified electronic service system for internal and external network bills includes an external network bill application service unit 100, an intranet bill application and review service unit 200, a bill printing mechanism 400, a bill electronic scanning mechanism 300, a one-way serial port emulation keyboard interface 101, The interface part between the paper feeding transmission mechanism 401 and other unit mechanisms, the external network bill application service unit 100 is connected to the internal network bill application and review service unit 200 through the one-way serial port emulation keyboard interface 101, and the bill printing mechanism 400 is connected through the U port or The serial port is connected to the intranet bill application and review service unit 200, the bill electronic scanning mechanism 300 is connected to the external network bill application service unit 100 through the U port, and the bill printing mechanism 40...
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