Method for generating fakeproof fiscal code in printing data outputted from POS

A POS machine, printing data technology, applied in the direction of digital output to printing unit, electrical digital data processing, special data processing applications, etc., can solve the problems of CPU resource consumption, long design cycle, large changes to the POS system, etc., to achieve no occupation The effect of system resources, shortened design cycle, and high anti-counterfeiting performance
CN1924787AInactive Publication Date: 2007-03-07HISENSE INTELLIGENT COMML SYST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HISENSE INTELLIGENT COMML SYST CO LTD
Publication Date
2007-03-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

This invention relates to one method to generate anti-false tax control code from POS machine output data, which solves the current ESC / POS order printer data flow and analyzes the data flow and extracts the key data to generate anti-false tax control code and prints the codes into the invoice.
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Description

technical field

[0001] The present invention is a method for extracting key data and generating an anti-counterfeit tax control code, specifically analyzing the print data stream sent from a POS machine (commercial cash register) to a printer, extracting key data to generate an anti-counterfeit tax control code, and Insert the anti-counterfeit tax control code into the original data flow. Background technique

[0002] At present, in large and medium-sized commercial places, there are various types of POS machines, that is, commercial cash registers. In accordance with the relevant current national standards, in order to strengthen the tax management, the data in the tax control memory, invoice memory and tax control IC card in the tax control equipment can be guaranteed to be accurate and properly preserved. At the same time, in order to ensure the authenticity and validity of tax records, it is required that the currently promoted POS machines can generate corresponding ra...

Claims

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