JP2005151466A - Compound apparatus, certificate issuing apparatus and system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a certificate issuing apparatus and system that can make forgery of a certificate difficult without imposing a load on an issuer or an issuance requester and can easily and surely discriminate the truth of the certificate, and a compound certificate output device that is indispensable for achieving the said purpose. <P>SOLUTION: A compound machine 8 generates a certificate by printing print data generated by a certificate generation device 2 on a paper sheet and performs operations to obtain image data by scanning the paper sheet in order to obtain a feature amount of the paper sheet simultaneously or sequentially without ejecting the paper sheet to the outside. The feature amount is registered in the area 120 of a storage device 12 by the certificate creating device 2, and the image data resulting from scanning the certificate issued by the compound machine 8 or derivative information thereof is compared to the registered feature amount. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a certificate issuing device and a certificate issuing system that issue a certificate, and more particularly to a composite device that outputs a certificate.

  Traditionally, various certificates have been issued at city halls, etc., but safety has been ensured by the difficulty of counterfeiting by special printing technology. However, high performance scanners and printers have made it easy to forge with high accuracy by copying.

Therefore, a certificate that has already been issued by using information that can uniquely identify the recording medium itself, such as by identifying each sheet of paper with a transparent pattern on the paper, or by a random arrangement pattern of fibrous impurities mixed during papermaking. A method is known in which the security of a certificate or the like is ensured by determining the authenticity of the certificate (for example, see Patent Document 1).
Japanese Patent Laid-Open No. 2003-67718 (page 5, FIG. 1)

  However, the certificate is issued by writing the lighting contents on a predetermined sheet by handwriting or printing and then stamping it. In the above-mentioned known example, in order to prevent forgery of the completed certificate, the certificate is obtained by using a transmissive scanner and a paper pattern or a random arrangement pattern is acquired and registered for subsequent identification of the certificate. However, if the scanning process is after printing, it cannot be said that there is no possibility that the issuing client will wait for the issuance requester to wait for a long time or that a mistake will occur. In addition, if there is a person who is involved in forgery among the issuing workers, the issued certificate may be replaced with a fake certificate, and the fake certificate may be scanned and registered.

  The present invention has been devised in view of the above circumstances, and the object of the present invention is to make it difficult to forge a certificate without imposing a burden on the issuer or issuer. It is an object of the present invention to provide a certificate issuing device, a certificate issuing system, and a composite device for outputting a certificate essential for achieving the above object.

  In order to achieve the above object, the present invention achieves the above-described printing means for printing on paper, scanning means for scanning the paper to obtain image data, and printing operation and scanning operation for the same paper simultaneously or in sequence without discharging the paper. And a control means for performing the above.

  As described above, in the composite apparatus according to the present invention, the operation of printing on the paper and the operation of scanning the image data of the paper can be performed simultaneously or sequentially inside without ejecting the paper. When printing the contents to create a certificate and using the image data obtained by scanning this paper as a feature amount for specifying this paper, it is difficult to switch between the paper to be printed and the paper to be scanned. Therefore, forgery of the certificate can be prevented.

  The present invention also relates to a certificate issuing device that issues a certificate by printing predetermined characters or images on a sheet, printing means for printing the characters or images on the sheet, and image data obtained by scanning the sheet. A first scanning means for obtaining the same paper, a control means for performing a printing operation by the printing means on the same paper and a scanning operation by the first scanning means simultaneously or sequentially without discharging the paper, and scanning the paper Registration means for registering the obtained image data or its derivative information as a feature quantity.

  As described above, in the certificate issuing device according to the present invention, the operation of printing the certification content on the paper and the operation of obtaining the image data by scanning the paper in order to obtain the feature amount are performed simultaneously or sequentially without discharging the paper. Therefore, it is possible to make it difficult to switch between the paper on which the proof content is printed and the paper to be scanned in order to obtain the feature amount, and forgery of the certificate can be prevented. In addition, by registering the feature quantity and comparing the registered feature quantity with image data obtained by scanning the issued certificate or its derived information, the issued certificate can be easily and reliably issued. It is possible to perform authenticity determination.

  The present invention is also formed by connecting a certificate generation server for generating certificate image data and a plurality of terminal devices via a communication network, and printing a predetermined character or image on a sheet to issue a certificate. In the certificate issuing system, the terminal device includes a printing unit that prints characters or an image transmitted from the certificate generation server through the communication network on a sheet, and first image data obtained by scanning the sheet. Scanning means, control means for performing the printing operation by the printing means on the same paper and the scanning operation by the first scanning means simultaneously or sequentially without discharging the paper, and an image obtained by scanning the paper Transmitting means for transmitting data to the certificate generation server via the communication network, the certificate generation server comprising: Certificate generating means for generating image data of a certificate issued by the terminal device through the communication network, and transmitting means for transmitting the generated image data to the issuing request source terminal device through the communication network; And registration means for registering image data obtained by scanning the paper sent from the issuing request source terminal device through the communication network or derivative information thereof as a feature amount.

  As described above, in the certificate issuing system according to the present invention, the operation of printing the certification content on the paper and the operation of obtaining the image data by scanning the paper in order to obtain the feature amount are discharged to the outside by the terminal device. Therefore, it is possible to make it difficult for the terminal device to switch between the paper on which the certification content is printed and the paper to be scanned to obtain the feature amount. Therefore, it is possible to safely issue a certificate that could not be issued at the home of an individual, for example, without fear of forgery. The image data obtained by scanning the certificate paper at the time of issuing the certificate or its derivative information is registered in the certificate generation server as a feature quantity, and the issued certificate is scanned on the terminal device side. The terminal device by sending the obtained image data to the certificate generation server, and returning the authentication result obtained by comparing the image data or its derivative information with the registered feature amount to the terminal device. Therefore, it is possible to easily and reliably determine the issued certificate. However, the derived information is a pattern or a numerical value obtained by performing image processing or arithmetic processing on the image data, and is information extracted from the image data and representing a unique characteristic of the image data. is there.

  According to the present invention, the operation of printing the certification content on the paper and the operation of obtaining the image data by scanning the paper to obtain the feature amount of the paper can be performed simultaneously or sequentially without discharging the paper to the outside. Makes it easy to issue a highly secure certificate that makes it difficult to counterfeit without placing a burden on the issuer or issuer, and has registered the feature quantity and issued the certificate. The authenticity of the certificate can be easily and reliably determined by comparing the image data obtained by scanning the image data or the derivative information thereof.

  It is possible to make it difficult to forge a certificate without imposing a burden on the issuer or issuer, and to print the certificate contents on paper for the purpose of easily and reliably determining the authenticity of the certificate. In order to obtain the feature amount of the paper, the operation of obtaining the image data by scanning the paper is performed simultaneously or in order without discharging the paper to the outside. This was realized by comparing image data obtained by scanning a book or its derivative information.

  FIG. 1 is a block diagram showing a configuration of a certificate issuing device according to the first exemplary embodiment of the present invention. The certificate issuing device 50 generates certificate image data and also displays a certificate creating device 2 that determines the authenticity of an issued certificate, a control input device 4 such as a keyboard and a mouse, a created image, a read image, and the like. A display device 6 that prints the generated certificate data on a sheet and a multifunction device 8 that acquires transmission image data obtained by performing a transmission scan on the sheet; a multifunction device control device 10 that controls the drive of the multifunction device 8; It has a storage device 12 in which an area 120 for storing the issued certificate image and transparent image and a database 121 are set. However, the printing means and the scanning means in the claims correspond to the multifunction device 8, the control means corresponds to the multifunction device control apparatus 10, the registration means corresponds to the certificate creation device 2 and the storage device 12, and the determination means. Corresponds to the certificate creation device 2.

  2A and 2B are block diagrams showing the configuration of the multi-function device 8 shown in FIG. 1 (corresponding to the multi-function device of the present invention). 2A shows a configuration in which the printer head is not omitted, and FIG. 2B shows a configuration in which the printer head is omitted. The multifunction device 8 of this example corresponds to that shown in FIG. 1, and includes a scanner head 801, a scanner sensor 802, lenses 803 and 804, a carriage 805, a carriage driving device 806, a paper feeding device 807, a prism unit 808, and a print head. 809, a reflected light line illumination plate 810, a transmitted light line illumination plate 811, a motor 812 that is a drive source of the carriage driving device 806, and a motor 813 that is a drive source of the paper feeding device 807.

  Next, the operation of the present embodiment will be described with reference to the flowchart of FIG. For example, if the above-described certificate issuing device 50 is placed in a city hall or the like, when a citizen (issuing client) requests the issuance of a certificate such as a resident's card (step S1), the person in charge of the city hall (issued) The person operates the control input device 4 such as a keyboard, and inputs information necessary for issuing the certificate, such as the type of issued certificate and the personal information of the requesting client, from the control input device 4 to the certificate creating device 2. (Step S2).

  The certificate creation device 2 reads out necessary information from the personal information collected in the database 121 in the storage device 12, certificate format, imprint information, description content information, etc., and an image of the requested certificate Data is created (step S3). At this time, the image of the certificate being created is displayed on the display device 6 such as a CRT. The issuer looks at the certificate being created, and inputs necessary items to the certificate on the screen from the control input device 4 if necessary.

  When the creation of the certificate image data is completed in this way, the issuer issues a certificate print and an instruction to acquire the transparent image data of the paper on which the certificate is printed from the control input device 4 to the certificate creation device 2 (step). S4). In response to this, the certificate creation device 2 outputs a print command and a transparent image data acquisition command to the multifunction device control device 10 together with the certificate image data.

  As a result, the multifunction device control apparatus 10 drives and controls the multifunction device 8, and first prints the image data of the certificate on a predetermined sheet (the certificate created by printing is shown in FIG. 7). Without outputting the sheet to the outside, a predetermined portion of the sheet (area indicated by 90 in FIG. 7) is continuously scanned to obtain the transmission image data (step S5). Thereafter, the multifunction device 8 discharges the printed certificate to the outside and outputs the acquired transparent image data to the certificate creation device 2 via the multifunction device control device 10 (step S6).

  Here, the above-mentioned transmission image data is the internal structure of the paper on which the certificate is printed, for example, the arrangement of the fibers constituting the paper, or the pattern created by the fibers. It is unique to the paper. Therefore, the transparent image data can be used as a feature amount that can identify the paper on which the certificate is printed on a one-to-one basis.

  When the transparent image data is input, the certificate creation device 2 creates the certificate issuance process record, and the certificate such as an issuance number of the certificate that has issued the transparent image data as a part of the issuance process record. Is registered in the area 120 of the storage device 12 in association with various types of information related to the issuance, and the process is terminated (step S7).

  When the issuer acquires a reflected image of a printed certificate as will be described later, the issuer displays the reflected image on the display device 6 and compares it with the discharged certificate. When it is confirmed that there is no certificate, the certificate discharged from the multifunction device control apparatus 10 is transferred to the issuer.

  Here, it is assumed that the digital stamp is included when the certificate is printed by the multi-function device 8 of this example. The certificate is often stamped with an issuer requester, but if it is stamped after printing and registration, it is not preferable because it is not included in the registration data. Therefore, the stamp is stamped on a separate sheet, scanned, and embedded as digital data into the certificate print data. In the case of a signature, it can be done on a separate sheet as well, but it can also be done with an input tablet.

  However, if there is any problem such as paper feeding failure in the printing and registration process, it may be necessary to invalidate the registered certificate later. If the multifunction device 8 operating as a printer can detect a malfunction, when the multifunction device 8 automatically sends a signal to invalidate the registered data to the certificate creation device 2, the certificate creation device 2 is involved in the certificate. The registration information is cleared, and information indicating that the certificate is invalid is printed by the multi-function device 8. If the multifunction device 8 cannot be detected, the certificate is manually invalidated.

  The issue number is printed on the certificate. The issue number may be a serial number, but it can be made difficult to forge by using a hash value of the serial number. For registered scan images, it is convenient to use the issue number as a key to obtain the corresponding scan image from a large amount of data. However, it is preferable to print a plurality of certificates everywhere in the certificate in case the certificate is damaged. It is also effective to embed in a large area of the screen by the digital watermark method.

  In addition, the issuance processing record includes the description contents of the certificate, such as certification contents, issuance date / time, issuance requester information, issuer information, issuance number, scanned image, transmission image, reflection image, pre-printing image, post-printing image , Environmental information at the time of publication, for example, equipment information at the time of registration, photograph of the issuer, photograph of the client, etc. To do. At this time, data transmission and storage are protected from data leakage and tampering by encryption or the like.

  Here, the printing and transmission image data acquisition processing of the multifunction device 8 will be described with reference to the configuration diagram of FIG. 2 and the flowchart of FIG. The multifunction device 8 performs the following operation under the control of the multifunction device control apparatus 10. The paper 40 is fed by a paper feeding device 807 using a motor 813 as a drive source, and sent to the print head 809 side. The print head 809 is mounted on a carriage 805, and the carriage 805 is reciprocated by a carriage driving device 806 using a motor 812 as a driving source, thereby scanning the paper 40 in a direction perpendicular to the paper feeding direction and sequentially feeding. The contents of the certificate are printed on the incoming paper 40 (step S11).

  When the printing of the certificate contents is completed, the paper is fed so that a predetermined portion of the paper 40 comes to the scanning position of the scanner head 801, and the transmitted light line illumination plate 811 is turned on. Thereafter, the paper 40 is fed, and the carriage 805 is moved by the carriage driving device 806, whereby the scanner head 801 mounted on the carriage 805 is scanned in a direction perpendicular to the paper feeding direction, and the paper 40 is transmitted. Image data is acquired (step S12).

  Here, since the transmitted light line illumination plate 811 illuminates the paper 40 from the back side of the paper 40, the light transmitted through the paper 40 is incident on the prism unit 808 in the scanner head 801, and travels in the traveling direction from the prism unit 808. Is bent at a right angle and then sent to the lens 804 through the lens 803. The lens 804 condenses incident light on the scanner sensor 802, and transmission image data corresponding to the transmitted light is obtained from the scanner sensor 802. Since the transmission image data is data reflecting the internal state when light passes through the paper 40, it has a characteristic amount unique to the paper 40. The characteristic amount unique to the paper 40 may be the transmission image data itself or derived information, that is, a pattern or a numerical value obtained by performing image processing or arithmetic processing on the transmission image data.

  The transmission image data of the sheet 40 thus obtained is output to the certificate creation device 2 via the multifunction device control device 10 as described above, and at the same time, the already printed certificate is discharged to the outside of the multifunction device 8. (Step S13).

  Note that not only a transmission image but also a reflection image is usually acquired. In this case, the reflected light line illumination plate 810 is turned on, the paper 40 is fed, and the carriage 805 is moved by the carriage driving device 806. The scanner head 801 mounted on the carriage 805 is scanned in a direction perpendicular to the paper feed direction, and a reflected image of all the printed portions of the paper 40 is acquired.

  The reflected light line illuminating plate 810 illuminates the paper from the front surface of the paper 40, so that the light reflected by the surface of the paper 40 is condensed on the scanner sensor 802, and a reflected image is acquired. The reflection image obtained in this way is sent to the certificate creation device 2 via the multifunction device control device 10 and further registered in the area 120 of the storage device 12 as a part of the issuance processing record.

  Next, an operation for determining the authenticity of the certificate will be described. First, the determiner sets a certificate to be determined in the multi-function device 8 and then inputs a certificate determination command from the control input device 4 to the certificate creation device 2. As a result, the certificate creation device 2 issues a certificate transparent image data acquisition command to the multifunction device control device 10. As a result, the multifunction device 8 scans a predetermined range of the certificate to be determined to obtain transparent image data, and outputs this to the certificate creation device 2 via the multifunction device control device 10.

  The certificate creation device 2 is registered when this certificate is issued based on the identification number (for example, issue number) of the certificate to be determined, which is input before and after the determination command from the control input device 4. The obtained feature amount is read out from the storage device 12, and this is correlated with the transmission image data input from the multi-function device 8 or its derivative information. If there is no correlation, the determination target certificate is determined to be forged.

  Note that the authenticity of the certificate as described above may be determined independently, but the certificate was fake when performing paperwork or exercise of rights using this certificate. In that case, the subsequent paperwork will be canceled immediately.

  According to the present embodiment, after the multifunction device 8 prints the certificate on the paper 40, the transparent scan of the paper 40 can be performed and the transparent image data can be acquired without discharging the paper 40. It becomes impossible to perform operations such as substituting a fake certificate with a fake certificate and registering fake transparent image data as a feature quantity, making it difficult to forge the certificate and improving its security and reliability. be able to.

  Furthermore, in this embodiment, since digital stamping is performed when a certificate is printed, the stamping is also performed inside the multi-function device 8, so that it is also difficult to forge a certificate using a fake stamp from this point. .

  Further, in the present embodiment, since special processing is not applied to the paper 40 in order to obtain the transparent image data for specifying the paper 40, a normal proof printing paper can be used, and the cost of the paper 40 is increased. The above effects can be obtained without any problem.

  Further, by scanning a predetermined range of the issued certificate to obtain transparent image data, and obtaining the identification information of this certificate, the registered feature information is read using this identification information as a key, and this feature information Is compared with the transparent image data or the derivative information thereof, and the authenticity of the issued certificate can be determined easily and reliably.

  Further, since the certificate printing and the scanning of the paper 40 are performed almost simultaneously by the multi-function device 8, the above effects can be obtained without imposing a burden on the issuer or the issuer.

  When printing and scanning the same paper 40 with the multifunction peripheral of the present embodiment, the method of reciprocating the paper and the first printing while feeding the paper in one direction, the printing is still not performed. Transparency information may be obtained by scanning the remaining portion that is not known, or in this case, a method may be used in which scanning is performed first and printing is performed on the remaining portion.

  The certificate issuing device 50 shown in FIG. 1 is a self-contained device having all the components. For example, the certificate creating device 2, the control input device 4, the display device 6, and the multifunction device control device. 10. The multifunction device 8 is a terminal device, and this terminal device is connected to a server via a communication network, and the storage device 12 is built in or connected to the server, or the control input device 4 and the display device 6 The multifunction device control device 10 and the multifunction device 8 are terminal devices, which are connected to a server via a communication network, and a certificate creation function and a storage device 12 are installed in the server. However, the operation is the same as in the above embodiment, and the same effect is obtained.

  FIG. 5 is a block diagram showing a configuration of a certificate issuing system according to the second embodiment of the present invention. The certificate issuing system 80 is configured by connecting a certificate issuing server 22 and a plurality of terminals 24 composed of personal computers or the like through a communication network 26 (hereinafter simply referred to as a network) such as the Internet. Yes. However, the certificate generation server in the claims corresponds to the certificate issuing server 22, the terminal device corresponds to the terminal 24 and the multifunction device 8, the transmission means corresponds to the terminal 24, the determination means and the return The means corresponds to the certificate issuing server 22.

  However, the certificate issuing server 22 has at least the functions of the certificate creating device and the storage device shown in FIG. 1, and the terminal 24 has the functions of a control input device and a display device, and further shown in FIG. Multifunction machine 8 is connected. In this case, it is assumed that the multifunction device control function for controlling the operation of the multifunction device 8 is built in the terminal 24 side.

  Next, the operation of the present embodiment will be described with reference to the flowchart of FIG. The user accesses the home page established by the certificate issuing server 22 from the terminal 24 via the network 26, selects an issuance request such as a coupon for hotel accommodation from there, and then confirms the user confirmation. In addition to the identification information, the issuance request is made to the certificate issuing server 22 managed and operated by, for example, a travel agency via the network 26 (step S21).

  When the certificate issuing server 22 confirms the user by the transmitted user identification number (step S22), the certificate issuing server 22 acquires the user's personal data from the built-in database in the certificate issuing server 22. (Step S23), the coupon format data is acquired, a print image is generated based on the data (Step S24), and the print image data is transmitted to the terminal 24 via the network 26.

  The user displays the print data received by the terminal 24 on the display and confirms it, and then issues an instruction to print it, thereby sending the print data to the multifunction device 8 and starting printing. The multi-function device 8 prints the print data on a preset dedicated paper (step S25), acquires the transmission image data of this paper with a transmission scanner (step S26), and transmits this transmission image data to the terminal 24. At the same time as output, the coupon printed on paper is discharged to the outside. The terminal 24 transmits the transparent image data to the certificate issuing server 22 via the network 26 (step S27).

  The certificate issuance server 22 registers the received transparent image data in the internal storage device as a part of the separately generated issuance processing record of the present coupon ticket (step S28), and ends the processing.

  Next, the authenticity determination operation of the issued coupon ticket by the certificate issuing system 80 of the present embodiment will be described. An issued coupon is set in the multi-function device 8 of the terminal 24, and a predetermined range of the issued coupon is scanned to obtain transparent image data, and identification information of the coupon is obtained. The terminal 24 transmits the transparent image data and the identification information to the certificate issuing server 22 through the communication network 26.

  The certificate issuing server 22 reads the registered feature quantity using the received identification information as a key, and compares the feature quantity with the received transparent image data or its derivative information to determine the authenticity of the issued coupon. The certificate issuing server 22 transmits the authentication result to the terminal 24 that is the transmission image data transmission source. Thereby, the authentication result of the issued coupon can be obtained on the terminal 24 side.

  According to the present embodiment, even when a coupon for hotel accommodation is issued at a terminal 24 such as a personal computer owned by the user, the printing operation and the transmission image data acquisition operation of the printing paper are discharged. By using the multifunction machine 8 that can be performed almost simultaneously, counterfeiting of coupons can be made difficult, and coupons that are safe and highly reliable can be issued.

  Moreover, since the authentication result can be easily and reliably obtained from the terminal 24 simply by scanning the issued coupon with the terminal 24, the user has been issued easily and reliably by the terminal 24. The authenticity of the coupon can be determined.

  In addition to the configuration of the present embodiment, when a certificate such as a coupon is issued from the above information terminal 24 to the database of the certificate issuing server 22, in addition to the feature amount, By registering the contents of the certificate and the identification information of the issuing device in association with each other, and determining the authenticity of the issued certificate based on all the information, the security and reliability of the certificate are further improved. Can be improved.

  In addition, although the issue of coupons for hotel accommodation has been described, for example, the present invention is applied to a case where the certificate issuing server 22 is operated and managed by a bank and issues a check or the like from the terminal 24. The same effect can be obtained. In short, as long as it is a printed matter that is difficult to be counterfeited, the same effect can be obtained by applying the present invention regardless of its type.

  In addition, this invention is not limited to the said embodiment, In the range which does not deviate from the summary, it can implement also with another various form in a concrete structure, a function, an effect | action, and an effect. For example, the terminal of the certificate issuing system does not necessarily have to be in an individual place. A certificate issuing server 22 is installed at the head office, and a terminal 24 is installed at each branch office or at the branch office. The system may be constructed by connecting the issuing server 22 and the terminal 24 via a LAN or the like, and in that case, the printed matter to be issued may be an in-house document or the like which is not easy to forge.

  It is also possible to suppress forgery by explicitly indicating that a certificate issued by the certificate issuing device and certificate issuing system of the embodiment has been registered.

It is the block diagram which showed the structure of the certificate issuing apparatus which concerns on the 1st Embodiment of this invention. FIG. 2 is a block diagram illustrating a configuration of the multifunction machine illustrated in FIG. 1. It is the flowchart which showed the operation | movement procedure of the apparatus shown in FIG. 3 is a flowchart showing a printing and transmission image data acquisition processing procedure of the multifunction machine shown in FIG. 2. It is the block diagram which showed the structure of the certificate issuing system which concerns on the 2nd Embodiment of this invention. 6 is a flowchart showing an operation procedure of the system shown in FIG. 5. FIG. 3 is a diagram showing an example of a certificate created by printing with the apparatus shown in FIG. 1.

Explanation of symbols

2 ... Certificate creation device, 4 ... Control input device, 6 ... Display device, 8 ... Multifunction device, 10 ... Multifunction device control device, 12 ... Storage device, 22 ... Certificate issuing server, 24 ... Terminal device, 26 ... Communication network, 50 ... Certificate issuing device, 80 ... Certificate issuing system, 120 ... Area, 121 ... Database, 801 ... Scanner head, 802 ... Scanner sensor, 803, 804 ... Lens, 805 ... Carriage, 806 ... Carriage drive device 807, a paper feeding device, 808, a prism unit, 809, a print head, 810, a line illumination plate for reflected light, 811, a line illumination plate for transmitted light, 812, 813, a motor.

Claims (16)

Printing means for printing on paper;
Scanning means for obtaining image data by scanning paper;
Control means for performing a printing operation and a scanning operation on the same sheet simultaneously or sequentially without discharging the sheet;
A composite apparatus comprising:   The composite apparatus according to claim 1, wherein the control unit performs the printing operation and the scanning operation by reciprocating the paper feeding of the paper.   The composite apparatus according to claim 1, wherein the control unit sets the paper to be fed in one direction and sequentially performs the printing operation and the scanning operation.   The composite apparatus according to claim 1, wherein the scanning unit acquires a transmission image of the paper.   The composite apparatus according to claim 1, wherein the scanning unit acquires a reflection image of the paper.   2. The composite apparatus according to claim 1, wherein each of the printing unit and the scanning unit operates independently. A certificate issuing device that issues a certificate by printing predetermined characters or images on paper,
Printing means for printing the character or image on paper;
First scanning means for obtaining image data by scanning paper;
Control means for performing the printing operation by the printing means on the same paper and the scanning operation by the first scanning means simultaneously or sequentially without discharging the paper;
Registration means for registering image data obtained by scanning the paper or its derivative information as a feature amount;
A certificate issuing device.   8. The certificate issuing device according to claim 7, wherein the scanning unit obtains image data by scanning all or a part of a predetermined sheet.   The certificate issuing apparatus according to claim 7, wherein the registration unit registers the feature amount in association with various information related to the certificate created by printing. A second scanning means for scanning the issued certificate to obtain image data;
8. The apparatus according to claim 7, further comprising: a determination unit that determines whether the issued certificate is true or false based on the image data obtained by the second scanning unit or its derivative information and the registered feature amount. The certificate issuing device described.   The certificate issuing apparatus according to claim 10, wherein the second scanning unit is also used as the first scanning unit. A certificate issuing system that is formed by connecting a certificate generation server that generates image data of a certificate and a plurality of terminal devices via a communication network, and prints out predetermined characters or images on paper and issues a certificate. And
The terminal device includes a printing unit that prints characters or images transmitted from the certificate generation server through the communication network on a sheet;
First scanning means for obtaining image data by scanning paper;
Control means for performing the printing operation by the printing means on the same paper and the scanning operation by the first scanning means simultaneously or sequentially without discharging the paper;
Transmission means for transmitting image data obtained by scanning the paper to a certificate generation server through the communication network,
The certificate generation server includes certificate generation means for generating image data of a certificate issued from the terminal device through the communication network,
Transmitting means for transmitting the generated image data to the terminal device that issued the request through the communication network;
Registration means for registering image data obtained by scanning the paper sent from the issuing request source terminal device through the communication network or derivative information thereof as a feature amount;
A certificate issuing system comprising:   13. The certificate issuing system according to claim 12, wherein the registration unit registers the feature amount in association with various information related to the certificate created by printing. Part or all of the terminal device generates a certificate through the communication network by a second scanning unit that obtains image data by scanning an issued certificate, and image data obtained by the second scanning unit A transmission means for transmitting to the server,
The certificate generation server includes a determination unit that determines the authenticity of the issued certificate based on the image data transmitted from the terminal device through the communication network or its derivative information and the registered feature amount; 13. The certificate issuing system according to claim 12, further comprising return means for returning the determination result to the transmission source terminal device.   15. The certificate issuing system according to claim 14, wherein the second scanning unit is also used as the first scanning unit.   15. The certificate issuing system according to claim 14, wherein the first and second scanning means obtain image data by scanning all or a part of a predetermined sheet.

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