Multifunctional fiscal cash register

Abstract

The invention discloses a multifunctional fiscal cash register which comprises a microprocessor, a storage module, a display module, an IC (integrated circuit) card control module, a printing control module, a data safety protection module, a peripheral expansion interface, a wireless communication module and a positioning module; and all the modules or interface are connected with the microprocessor by a control bus and a data and address bus. The microprocessor is a 32-bit single chip computer running an embedded Linux operating system, the storage module is a nonvolatile data storage, and the IC card control module is connected with a serial communication port of the microprocessor and connected with an SAM (security account manager) card and an IC card holder respectively by an active crystal oscillator and a gate circuit; and the peripheral expansion interface comprises a keyboard interface, an Ethernet interface, a MiniUSB (universal serial bus) interface or a clock. The fiscal cash register is researched and applied to be capable of realizing multiple function integration, has functions of data safety protection, data interaction among main servers of tax authorities, and the like on the basis of fiscal cash, and the applications of the fiscal cash register are expanded.

Description

technical field [0001] The invention relates to a tax-controlled cash register, in particular to a tax-controlled cash register integrating multiple functions such as data security protection and GPRS communication. Background technique [0002] Tax-controlled cash registers are an important means of national tax collection. The country has promulgated the "Tax Collection and Administration Law" and "National Standards for Tax-controlled Cash Registers". Design, production and application are specified. [0003] The current application method of tax-controlled cash register technology is: first, the taxpayer goes to the tax authority to apply for an invoice with an IC card, and installs it in the tax-controlled machine; then the taxpayer uses the tax-controlled cash register in business activities, The tax control cash register stores the business information in the tax control black box; then, during the declaration period of each month, the taxpayer imports the business d...

AI Technical Summary

Problems solved by technology

[0008] In view of the above-mentioned defects in the prior art, the present invention aims to provide a multifunctional tax control cash register, which solves the problem of network information interconnection between tax control management departments and taxpayers on the premise of maintaining the original tax control collection function. In order to solve the problem of taxpayers traveling and toil, at the same time solve the problem of data security and prevent secrets from being stolen

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