Anti-fake machine reading invoice and special-purpose read-write equipment thereof
The present invention relates to the Electronic Finance anti-counterfeiting technology, be specifically related to a kind of machine readable anti-fake bill and read-write equipment thereof.
Invoice is the important financial management means of business finance and state tax revenue, invoice anticounterfeiting is the problem that field of anti-counterfeit technology is being studied always always, prior art mainly is that the management by the printing of blank invoice realizes the operator is being controlled aspect the invoice and managing, but it is inconsistent or digital by the false invoice problem of altering, increasing to solve the upper and lower amount of money, other has the scheme that realizes by networking the invoice supervision, but because networking is not popularized, and reliability also is difficult to guarantee, so also can't promote.
The object of the present invention is to provide a kind of invoice of new model, it is false proof and machine-readable that this invoice mainly adopts technical skill to realize in the invoice writing process.
Another object of the present invention is to provide a kind of equipment of printing and discerning invoice, this invoice read-write equipment can be realized the anti-fake machine reading printing invoice under the computer control.
An object of the present invention is to realize like this, construct a kind of anti-fake machine reading invoice, it is characterized in that, on the certain position of invoice, be printed on machine-readable sign indicating number, described machine-readable sign indicating number records the full detail of filling on unit encoding, date, description of goods, kinds of goods unit, unit price, the amount of money and total charge and the invoice, also records the coding of dedicated printer.
Anti-fake machine reading invoice of the present invention describedly is meant whole amount in Chinese character zone at invoice at the invoice certain position.
Anti-fake machine reading invoice of the present invention, described machine-readable sign indicating number is such as PDF417 sign indicating number, the eclipsed form of coordinating sign indicating number, the two-dimensional bar of matrix form.
Another object of the present invention is to realize like this, construct the special-purpose read-write equipment of a kind of anti-fake machine reading invoice, comprise: the microprocessor 1 that has storer, be connected with IC-card read-write equipment 2 with microprocessor 1, display device 3, finger-impu system 4, optical scanning input media 5 and print unit 6, when writing invoice, receive from the invoice information of described finger-impu system 5 inputs and display device 3, show input information by described microprocessor 1, and direct printing portion is stored in the described storer, to print plane No., the organization of making out an invoice is coordinated sign indicating number with the invoice content of input as the machine-readable code printing of needs partly is decoded into, the direct printing portion of coordinating sign indicating number figure and storage superposeed be printed on the invoice by print unit 6, wherein, control print unit 6 is with the assigned position of machine-readable code printing on invoice, simultaneously, by IC-card read-write equipment 2 with printing invoice content refresh IC-card; When reading invoice, the machine-readable sign indicating number part of described microprocessor 1 control optical input device 5 scanning input invoices is deciphered the machine-readable sign indicating number of reading, and converts alphanumeric to and shows or deliver to communication port or do other processing on display device 3.
According to the special-purpose read-write equipment of anti-fake machine reading invoice provided by the invention, it is characterized in that, described IC-card read-write equipment 2 is meant printing invoice content refresh IC-card and prints number and add 1 and write back IC-card again reading the former accumulative total that is recorded on the IC-card, read on the IC-card original accumulative total and print the amount of money, add the amount of money of this printing, write back IC-card again.
According to the special-purpose read-write equipment of anti-fake machine reading invoice provided by the invention, it is characterized in that the storer of described microprocessor 1 prestores the code conversion relation of literal, numeral and machine-readable sign indicating number.
According to the special-purpose read-write equipment of anti-fake machine reading invoice provided by the invention, it is characterized in that described microprocessor 1 also is connected to communication interface 7, be used for when being connected with far-end computer, relevant printing invoice data being sent out by communication interface.
Implement machine readable anti-fake bill of the present invention and have following characteristics: print readable character and machine-readable sign indicating number simultaneously, the certified invoice content is consistent with machine-readable digital content, can prevent to write out falsely invoice in the time of false proof; Invoice content and machine sensible information are exported simultaneously, the convenient use; Use special-purpose read-write equipment of the present invention, and printer is encoded as machine sensible information, have the further false proof anti-function of evading taxation; Dedicated printer adds the IC-card record invoiced amount amount of money, conveniently declares dutiable goods.
In conjunction with the accompanying drawings and embodiments, further specify characteristics of the present invention:
Fig. 1 is the structural representation of anti-fake machine reading invoice of the present invention;
Fig. 2 is the enlarged diagram of machine-readable part in the invoice shown in Figure 1;
Fig. 3 is the logic block-diagram of the special-purpose read-write equipment of anti-fake machine reading of the present invention;
Fig. 4 is a kind of structural representation of the special-purpose read-write equipment of anti-fake machine reading of the present invention;
Fig. 5 is the another kind of structural representation of the special-purpose read-write equipment of anti-fake machine reading of the present invention;
Fig. 6 is the schematic flow sheet that the special-purpose read-write equipment of anti-fake machine reading of the present invention is write invoice;
Fig. 7 is the schematic flow sheet that the special-purpose read-write equipment of anti-fake machine reading of the present invention is read invoice;
As shown in Figure 1, invoice of the present invention comprises blank invoice, be printed with the form of invoice on it in advance, as numbering, client's title address, name of an article specification, unit, quantity, unit price etc., take place to conclude the business in the time of to dismiss ticket, two parts are arranged, the one, the human readable part is as " carrying cutter ", " cover ", " 3 ", " 5656 on Fig. 1.23 " etc., another part is the machine-readable sign indicating number that is printed on amount of money capitalization zone 100, and both are machine and print and unartificial writing.Wherein, the machine readable anti-fake code of printing on the invoice, have the advantages that print area is little, coding information quantity big, error correction is good, encoded content comprises all the elements of filling on the invoice, hold the purchaser and can read encoded content by the machine-readable equipment of special use of the present invention, check with the content on the invoice, thereby check the invoice and the number true and false thereof.
Output machine readable anti-fake code on invoice, encoded content comprises all the elements that fill on the invoice, the organization of invoicing and the specific coding of dedicated printer, these characteristics require machine-readable coding to satisfy two big conditions: 1) contain much information and area is little: encoded content comprises the specific coding of invoice content (organization, account number (to VAT invoice), the date of making out an invoice, description of goods, kinds of goods unit, unit price, the amount of money and total charge etc.), invoicing organization and dedicated printer, content is many, needs the big coded system of information capacity; On the other hand, the invoice space of a whole page is little, and vacant place is few, and machine-readable code printing area is crossed the overall appearance that conference influences invoice, and in invoice amount in Chinese character zone, its area is less relatively with machine-readable code printing in the present invention; 2) better error-correcting performance: machine-readable identification code is printed on the invoice; can cover writing or lines on some invoices unavoidably; this just requires machine-readable identification code to try one's best does not influence the reading of invoice content; very strong error correcting capability is arranged again, also do not influence machine-readable under or the situation about being capped damaged at the part identification code.The present invention adopts eclipsed form or matrix type two-dimension bar code for example to coordinate sign indicating number, PDF417 sign indicating number etc. as machine-readable sign indicating number, one, this type of technology is comparative maturity, for example adopted in one embodiment and coordinated sign indicating number, not only reach visual effect preferably, do not influenced the identification of the common character that overlaps printing.As shown in Figure 2, even amplified 4 times, but human eye can't discern at all, and in effective read range damaged area reach 15% with interior still can be effectively machine-readable.
Print the specialized equipment of invoice shown in Figure 1, as shown in Figure 3-Figure 5, utilize this specialized equipment, can on invoice, print conventional alphanumeric and print machine readable anti-fake code simultaneously, this anti-fake code content comprises the special numbering of the unit and the dedicated printer of invoicing, herein, with the content of this special invoice read-write equipment coding as anti-counterfeiting mark.Fig. 4 is a split-type structural, and Fig. 5 is an integral structure, is about to print unit 6, optical scanning device 5 and display 3 and is contained in the casing.
The special-purpose read-write equipment of anti-fake machine reading invoice of the present invention as shown in Figure 3, comprise: have communication port 7, the microprocessor 1 of storer 8, be connected with IC-card read-write equipment 2 with microprocessor 1, display device 3, finger-impu system 4, optical scanning input media 5 and print unit 6, when writing invoice and be printed invoice, as shown in Figure 6, at first read IC-card information by the IC-card read-write equipment, confirm this IC-card be legal and also with this special-purpose read-write equipment be the coupling, illegal or do not match with this equipment and then to provide prompting and end as IC, if legal and coupling, then receive from the invoice information of described finger-impu system 5 inputs and display device 3, shown by microprocessor 1, and by after the edit validation input correctly, the correct invoice data of input (is only shown a kind of invoice format among Fig. 1, in fact can expand on the universal or special invoice of other types) information adds the printing plane No., the organization of making out an invoice converts machine-readable sign indicating number to according to certain rule, machine-readable sign indicating number graph of a correspondence and the conventional word segment of printing are stacked up, and assurance is with machine-readable yard assigned position that partly is printed on the invoice, for example cover and be printed on the amount in Chinese character zone, before this, by IC-card read-write equipment 2 with printing invoice content refresh IC-card; And when reading by equipment of the present invention to discern the invoice of present device printing in other words, as shown in Figure 7, machine-readable sign indicating number part by microprocessor 1 control optical input device 5 scanning input invoices, convert the machine-readable sign indicating number of reading to alphanumeric and on display device 3, show, or be sent to far-end computer or do other processing by communication port 7.
Wherein, this equipment has the read-write equipment of the IC-card of putting on record in revenue department, this IC-card can journal printer the quantity of output invoice and the total charge of all invoices, invoicing unit holds this IC-card and declares dutiable goods to revenue department, handled easily and can prevent to evade taxes.IC-card read-write equipment 2 is meant printing invoice content refresh IC-card and prints number and add 1 and write back IC-card again reading the former accumulative total that is recorded on the IC-card, reads on the IC-card original accumulative total and prints the amount of money, adds the amount of money of this printing, writes back IC-card again.Wherein, the storer of described microprocessor 1 prestores literal, numeral and the code conversion relation of machine-readable sign indicating number and the data of representing the printing curve that each machine-readable sign indicating number is corresponding.Wherein, described microprocessor 1 also is connected to communication interface 7, is used for when being connected with far-end computer by communication interface relevant printing invoice data being sent out.
Use the special-purpose read-write equipment of anti-fake machine reading invoice provided by the invention, for bill anti-counterfeit is carried Supplied effective means, because the machine code of dedicated printer is printed on machine-readable code form On the bill, strengthened antifalse effect. Simultaneously, in special-purpose read-write equipment of the present invention, install IC-card utilizes the read-write of IC-card and uniquely identified characteristics, the number of record printed invoice Amount, invoice amount total amount and declare tax have both made things convenient for each unit of making out an invoice to declare dutiable goods and the tax Office tax inspection, the illegal activities such as prevented from again evading taxes.