JP5060878B2 - Stencil printing machine - Google Patents

Description

  The present invention is connected to a system capable of cooperating with a stencil printing apparatus, in particular, a plateless printing apparatus such as a laser printer, and causes the stencil printing apparatus to perform a part of printing processing in response to an instruction for stencil printing. The present invention relates to a stencil printing apparatus capable of performing the above.

  In recent years, with laser printers, it is possible to obtain printing results with good image quality, and with stencil printing machines, it is possible to reduce printing costs when the number of printed sheets is large. Printing is enabled by enabling printing by both printing devices, selecting a stencil printer when the set number of prints is equal to or greater than the predetermined number, and selecting a laser printer when the predetermined number of prints is not exceeded. A technique for improving processing efficiency is known (see Patent Document 1).

A stencil printer is a plate-type printer that creates a punched master (plate) from the data of the document to be printed and prints it. After printing, the punched master is the printer. It will remain in. Therefore, when printing confidential documents, in order to protect the master from malicious third parties, it is possible to limit the removal of the drum around which the master is wound and the discharge box that stores the used master (patents). Measures such as prohibiting reprinting and recommending an operation for maintaining confidentiality after completion of the printing process are taken. Further, Patent Document 3 proposes a plate discharging apparatus that makes it impossible to discriminate contents by thermally cutting a used master and prevents leakage of confidential information.
JP 2000-81960 A JP 2006-110893 A JP 2006-15710 A

  However, in the conventional stencil printing machine, in order to prevent information leakage from the punched master as described above, even if the used master is thermally cut and discarded, There is no change in the creation, and it is difficult to completely prevent information leakage from the master before the master is discarded.

  Further, in the above-described technology for improving the efficiency of the printing process by selecting either the laser printer or the stencil printer according to the set number of prints, the document data with confidentiality is used. Even so, depending on the set number of prints, printing is performed by the stencil printing machine, and thus there is a possibility that confidential document data may leak from the punched master.

  SUMMARY OF THE INVENTION In view of the above circumstances, an object of the present invention is to provide a stencil printing apparatus that can more reliably prevent confidential leakage.

  The stencil printing apparatus of the present invention is a stencil printing apparatus capable of selectively distributing a part of a print job to an external non-plate printing apparatus, and includes a receiving unit that receives a print job, and the receiving unit It is characterized in that it comprises a distribution means for determining whether the received print job is confidential or not, and distributing the confidential print job to a plateless printing apparatus.

  Here, the plateless printing apparatus widely means a printing apparatus that performs a printing process without creating a master (plate) such as a stencil, for example, a laser printer, an ink jet printer, or the like.

  Here, the determination of the presence / absence of confidentiality can be made based on various information about the print job or the print target related to the print job. For example, the request destination of the print job, the set print condition, The determination can be made based on the creator information of the print target related to the print information, the result of analyzing the contents of the print target, and the like. Alternatively, the determination may be made based on confidentiality identification information directly representing the presence or absence of confidentiality attached to the print job.

  In the above apparatus, the print job is attached with confidentiality identification information indicating the confidentiality of the print job, and the sorting means determines whether the print job is confidential based on the confidentiality identification information. It may be.

  Here, the attachment of confidentiality identification information is not limited to the case where confidentiality identification data indicating the presence or absence of confidentiality is physically attached to a print job, but for a print job to which confidentiality identification data is not attached. If the fact that the confidentiality identification data is not attached is set to indicate the confidentiality of the print job, it can be understood that the confidentiality identification information is attached. Therefore, the case where such confidentiality identification data is not attached to the print job is also included.

  In addition, the apparatus further includes a distribution process control unit that allows the distribution unit to selectively perform a process of distributing a confidential print job to a plateless printing apparatus. Also good.

  Further, it may be provided with confidentiality identification information setting means for setting confidentiality identification information to the print job and attaching it.

  The confidentiality identification information may be set in a printer driver of an information terminal connected to the stencil printing apparatus so that a print job can be transmitted.

  The apparatus includes a holding unit that holds a print job before printing, and a holding process control that controls to prevent a confidential print job from being held when the holding unit attempts to hold a confidential print job. And a notification means for notifying the user that the confidential print job is not held when the confidential print job is to be held by the holding means. .

Also, a holding unit that holds a print job before printing, and when the confidential print job is to be held by the holding unit, the user is notified that the confidential print job is about to be held. Notification information, authentication information setting means capable of setting authentication information in response to the notification, and authentication information for inputting authentication information prior to printing a print job in which authentication information is set by the authentication information setting means And an input unit, and a print processing control unit that enables printing only when the authentication information input by the authentication information input unit matches the authentication information set by the authentication information setting unit. There may be.

  Further, a holding unit that holds the print job after printing and a holding process control unit that controls so that the confidential print job is not held may be further provided.

  Here, the authentication information may be a password, IC card information, or biometric information.

  The apparatus includes a second authentication information input unit for inputting authentication information prior to changing the confidentiality identification information of the print job in which the authentication information is set by the authentication information setting unit, and the second authentication information input unit. The apparatus further includes a change processing control unit that can change the confidentiality identification information only when the authentication information input by the authentication information input unit matches the authentication information set by the authentication information setting unit. May be.

  According to the stencil printing apparatus of the present invention, a stencil printing apparatus capable of selectively allocating a part of a print job to an external plateless printing apparatus, a reception unit for receiving a print job, and the reception thereof Since there is a sorting unit that judges whether a print job received by the means is confidential or not and distributes the confidential print job to a non-plate printing device, there is no confidential print job. Information can be prevented from being leaked because it can be distributed to the plate-type printing apparatus, and a punched master that may leak information is not created.

  A holding unit that holds the print job before printing and a holding process for controlling the confidential print job so that the confidential print job is not held when the holding unit tries to hold the confidential print job. In the case of further comprising control means and notifying means for notifying the user that the confidential print job is not held, the confidential print job is held on the printing apparatus That is, confidential information in a print job can be prevented from being leaked, and information leakage can be prevented.

Also, a holding unit that holds a print job before printing, and when the confidential print job is to be held by the holding unit, the user is notified that the confidential print job is about to be held. Notification information, authentication information setting means capable of setting authentication information in response to the notification, and authentication information for inputting authentication information prior to printing a print job in which authentication information is set by the authentication information setting means In the case of further comprising an input unit and a print processing control unit that enables printing only when the authentication information input by the authentication information input unit matches the authentication information set by the authentication information setting unit Even if a confidential print job is held on the printing device, user authentication using authentication information allows only authorized personnel to print the information. Possible, and it can be safely managing the confidential information of the print job.

  Further, the second authentication information input means for inputting the authentication information prior to the change of the confidentiality identification information of the print job in which the authentication information is set by the authentication information setting means, and the second authentication information input means If it is further provided with a change processing control means that can change the confidentiality identification information only when the input authentication information matches the authentication information set by the authentication information setting means, it is confidential. With respect to a print job, only the authorized person can change the confidentiality identification information about the print job, and the confidential information in the print job can be managed more safely.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a block diagram showing an outline of the configuration of the print processing system 1. As shown in the figure, in this system 1, the stencil printing apparatus 10 is connected to an external information terminal 30 (such as a personal computer) in a state where a print job can be received from the information terminal 30. In addition, a part of the received print job is connected in a state where it can be selectively distributed to the external laser printer 50.

  The information terminal 30 includes a printer driver 31 that transmits a print job for printing the target data to the stencil printing apparatus 10 in response to an instruction to print the target data by the user. The print job can be attached with confidentiality identification information indicating the confidentiality of the print job, the number of copies (number of copies), and the printing conditions such as the size of paper to be printed.

  The confidentiality identification information includes whether or not the target data relating to the print job is confidential, information input by the user about the confidentiality of the print job, and whether or not the confidentiality is set as a default in the printer driver 31. Is set in the printer driver 31 on the basis of information relating to the above.

  The stencil printing apparatus 10 includes an operation panel 11, an image reading unit 13, an image storage memory 14, a confidentiality identification information setting unit 15, a print job reception unit 17, a distribution unit 20, a hold job storage memory 22, and a hold job control unit 23. And a stencil printing unit 25 and the like.

  The operation panel 11 includes a job status, a printing status, a printing condition setting status, a display unit for displaying a message, and the like. A printing condition setting by a user, a print processing instruction, a confidentiality recognition condition setting or changing, an authentication An input unit that enables input of information setting or the like is provided.

  The image reading unit 13 (scanner) reads an image of a document placed on a document reading table in accordance with an instruction of a reading process (scanning process) by a user, and generates image data representing the read image.

  The image storage memory 14 stores the generated image data in a printable state for each reading job performed in the image reading unit 13.

  The confidentiality identification information setting unit 15 sets the image data generated by the image reading unit 13 with confidentiality identification information indicating whether or not the image data is confidential.

  Here, the confidentiality identification information is information regarding the presence / absence of confidentiality input by the user using the operation panel 11 prior to reading by the image reading unit 13, and the confidentiality information set as a default in the stencil printing apparatus 10. It is set based on information about presence / absence.

  The confidentiality identification information setting unit 15 further has a function of changing the confidentiality identification information once set for the print job held in the hold job storage memory 22. However, for held print jobs that have authentication information set, the user is prompted to enter authentication information prior to the change, and the input authentication information matches the authentication information that has been set. Only when that change is possible.

  Here, the authentication information is for authenticating whether or not the user is a person who has the right authority for the print job. For example, a password, IC card information, biometric information, etc. are used.

  The print job reception unit 17 receives a print instruction from the user for a print job received from the information terminal 30 through the printer driver 31 and image data (target data) stored in the image storage memory 14 of the stencil printing apparatus 10. The print jobs generated are sequentially accepted.

  The distribution unit 20 determines whether the print job received by the print job reception unit 17 is confidential, distributes the confidential print job to the laser printer 50, and assigns the non-confidential print job to the stencil printing unit 25. Sort out. Here, the presence / absence of confidentiality can be determined based on confidentiality identification information indicating the presence / absence of confidentiality attached to the print job.

  Here, the attached confidentiality identification information is not limited to the confidentiality identification data attached to the print job. For example, for the print job to which such confidentiality identification data is not attached, If it is possible to determine whether the print job is confidential from the fact that it is not attached, the fact that it is not attached can also be used.

  The determination of the presence / absence of confidentiality may be performed by, for example, the security level of the request destination of the print job, the security level of the creator of the target data related to the print job, and the confidentiality estimated as a result of analyzing the contents of the target data. It can also be performed based on various types of information related to the print job, such as the presence or absence of sex.

  The distribution unit 20 further has a function of selectively distributing a part of the print job to the stencil printing unit 25 or the laser printer 50 according to the number of prints (number of copies) set in the print job. Specifically, when the number of prints set for the print job is greater than or equal to a predetermined number, it is distributed to the stencil printing unit 25, and when it does not exceed the predetermined number, it is distributed to the laser printer 50. Note that it is more preferable to perform the sorting process according to the number of printed sheets (number of copies) only for a print job having no confidentiality.

  The stencil printing apparatus 10 further includes a distribution process control unit (not shown) that controls the distribution process of the distribution unit 20. The distribution processing control unit allows the user to select whether or not to cause the distribution unit 20 to perform processing for distributing a confidential print job to the laser printer 50, and in response to the selection, the distribution unit 20 performs the distribution process. Control minute processing. For example, according to the selection that the sorting process according to the presence / absence of confidentiality is performed, the sorting unit 20 performs a process of distributing a confidential print job to the laser printer 50, so that the presence / absence of the confidentiality is determined. Depending on the selection not to perform the corresponding distribution process, the above-described distribution process according to the number of printed sheets (number of copies) or the distribution process of the print job based on other criteria is performed.

  The print job storage memory 22 is a recording medium such as a memory or a hard disk for holding (holding) a print job received by the print job receiving unit 17, and when the print job is in a process waiting state, the print job is completed. When printing is completed or interrupted in the absence of the print job, the print job is temporarily held, for example, when the target data related to the print job can be reused after printing.

  The hold job control unit 23 notifies the user that a confidential print job is about to be held when the print job storage memory 22 (holding unit) tries to hold a confidential print job. A message to that effect is displayed on the display unit of the operation panel 11 and a setting screen for setting authentication information is displayed. The user's authentication information input from the input unit is attached to the print job, and the print job with the authentication information attached is held in the print job storage memory 22.

  Here, a case has been described in which a confidential print job can be stored in the print job storage memory 22 after adding authentication information. However, the print job storage memory 22 can perform confidential printing. When a job is about to be held, the user can be notified that a confidential print job is about to be held so that the confidential print job is not held.

  The hold job control unit 23 further has a function of changing confidentiality identification information of a print job (hold job) held in the print job storage memory 22 in accordance with a user input from the operation panel 11. However, when changing the confidentiality identification information of a print job for which authentication information is set, which is stored in the print job storage memory 22, the authentication information is sent to the user by the input unit of the operation panel 11 or the like prior to the change. Can be changed only when the entered authentication information matches the authentication information set in the print job.

  Further, when the confidentiality identification information of a non-confidential print job is changed to “confidential” and the print job is to be retained in the print job storage memory 22, the confidential print job is retained. In addition to notifying the user of the fact, the user is allowed to set authentication information, and the authentication information thus set is attached to the print job and can be stored in the print job storage memory 22.

  Further, when the hold job control unit 23 uses the print job held in the print job storage memory 22 for print processing in response to a user input from the operation panel 11, the print job for which authentication information has been set is used. Prior to the printing, the user can input the authentication information through the input unit of the operation panel 11, and the printing can be performed only when the input authentication information matches the authentication information set in the print job. The function is further provided.

  The stencil printing unit 25 performs stencil printing processing for making a stencil sheet based on the target data related to the print job distributed by the allocating unit 20 and printing on the printing paper using the stencil sheet that has already been made. A stencil making unit for making stencil paper based on the target data, a paper feeding unit for supplying printing paper, a plate cylinder for printing on printing paper using the stencil paper, a paper discharge unit for discharging printed printing paper, A stencil discharge unit for discarding stencil paper is provided.

  The laser printer 50 includes a print job reception unit 51 that receives a print job distributed by the distribution unit 20 of the stencil printing apparatus, and a laser printing unit 52 that executes print processing of the received print job.

  Hereinafter, an example of print processing performed in the print processing system 1 will be described with reference to the flowchart of FIG.

  First, the information terminal 30 transmits a print job in which confidentiality identification information is set by the printer driver 31 to the stencil printing apparatus 10 in response to an instruction for printing the target data by the user (step ST1). The print job reception unit 17 of the apparatus 10 receives the transmitted print job (step ST2). Next, the distribution unit 20 determines whether the print job received by the print job reception unit 17 is confidential (step ST3), and distributes the confidential print job to the laser printer 50 (step ST4). Then, the print job accepting unit 51 of the laser printer 50 accepts the sorted print job, and the laser printing unit 52 performs print processing of the print job (step ST5).

  On the other hand, the print job determined to have no confidentiality in step ST3 is distributed by the distribution unit to the stencil printing unit 25 or the laser printer 50 according to the number of copies (number of copies) of the print job (step ST6). Then, the printing process is performed at the output destination determined by the distribution process (step ST5).

  Next, another example of print processing performed in the print processing system 1 will be described with reference to the flowchart of FIG.

  First, in the stencil printing machine 10, prior to reading by the image reading unit 13, the user sets confidentiality identification information using the operation panel 11 (step ST11). The image reading unit 13 reads an image of a document and generates image data in response to a reading processing instruction by the user, and the confidentiality identification information setting unit 15 sets the confidentiality identification set in step ST11 for the generated image data. Information is attached and stored in the image storage memory 14 (step ST12). Next, the print job receiving unit 17 receives a print job generated in response to a print instruction from the user for the image data (target data) stored in the image storage memory 14 (step ST13). Next, the distribution unit 20 determines whether the print job received by the print job reception unit 17 is confidential (step ST14), and distributes the confidential print job to the laser printer 50 (step ST15). Then, the print job receiving unit 51 of the laser printer 50 receives the sorted print job, and the laser printing unit 52 performs a printing process (step ST16).

  On the other hand, if it is determined in step ST14 that the print job is not confidential, the distribution unit distributes the print job to the stencil printing unit 25 or the laser printer 50 according to the number of copies (number of copies) (step ST17). Printing processing is performed at the output destination determined by the distribution processing (step ST16).

  Next, another example of print processing performed in the print processing system 1 will be described with reference to the flowchart of FIG.

  First, the user instructs print processing for one of the print jobs held in the print job storage memory 22 using the operation panel 11 (step ST21). Next, the hold job control unit 23 causes the distribution unit 20 to determine whether the print job is confidential (step ST22). For a confidential print job, the authentication information is sent to the user prior to the printing. Input (step ST23). When the input authentication information matches the authentication information set for the print job, the sorting unit 20 distributes the confidential print job to the laser printer 50 (step ST24). In step ST25, a print process is performed.

  On the other hand, if the authentication information input in step ST23 does not match the authentication information set in the print job, it is determined whether or not to continue the authentication (step ST26). The processing after ST23 is repeated. When not continuing, the process is terminated.

  If it is determined in step ST22 that the print job is not confidential, the distribution unit distributes the print job to the stencil printing unit 25 or the laser printer 50 according to the number of copies (number of copies) (step ST27). Printing processing is performed at the output destination determined by the distribution processing (step ST25).

  As described above, in each of the printing processes shown in FIGS. 2 to 4, the confidentiality of the print job is determined, and the confidential print job is distributed to the laser printer. Can be distributed to laser printers, and a perforated master that may cause information leakage can be prevented from being created, so that information leakage can be prevented.

  Next, an example of processing performed when a print job is about to be temporarily stored in the print job storage memory 22 in the print processing system 1 will be described with reference to the flowchart of FIG.

  First, the hold job control unit 23 causes the distribution unit 20 to determine whether the print job is confidential (step ST31). If it is determined in step ST31 that there is confidentiality, a message stating “Because it is a confidential print job, do not hold it” is displayed on the display unit of the operation panel 11 to notify the user (step ST32). Further, the print job is deleted so that a confidential print job is not held (step ST33).

  On the other hand, if it is determined in step ST31 that there is no confidentiality, the print job is stored in the print job storage memory 22 (step ST34).

  Accordingly, it is possible to prevent a confidential print job from being placed in a state where it is held on the printing apparatus, that is, in a state where confidential information may be leaked, and information leakage is prevented. be able to.

  Here, when a print job with confidentiality is to be held in the print job storage memory 22, the user is notified that the print job with confidentiality is about to be held, and the print job is not held. However, as shown in the flowchart of FIG. 6, the authentication information can be attached to the print job storage memory 22 as shown in the flowchart of FIG. 6. FIG. 6 is a flowchart illustrating another example of processing performed when a print job is to be temporarily stored in the print job storage memory 22 in the print processing system 1.

  First, the hold job control unit 23 causes the distribution unit 20 to determine whether the print job is confidential (step ST41). If it is determined in step ST41 that there is confidentiality, a message that “there is a confidential print job and authentication setting is required” is displayed on the display unit of the operation panel 11 to notify the user (step ST42). The user inputs authentication information and performs authentication setting (step ST43). The hold job control means 23 attaches the input authentication information to the print job, and holds the print job with the authentication information in the print job storage memory 22. (Step ST44).

  On the other hand, if it is determined in step ST41 that there is no confidentiality, the print job is stored in the print job storage memory 22 (step ST45).

  As a result, even if confidential information is held on the printing device, user authentication based on authentication information enables only authorized persons to print the information, and the confidential information is managed safely. Can do.

  Next, an example of processing performed when the confidentiality identification information of the print job held in the print job storage memory 22 is changed in the print processing system 1 will be described with reference to the flowchart 4 of FIG.

  First, the user uses the operation panel 11 to instruct to change confidentiality identification information for any of the print jobs held in the print job storage memory 22 (step ST51). Next, the hold job control unit 23 causes the allocating unit 20 to determine whether the print job is confidential (step ST52). For a print job with confidentiality, authentication information is sent to the user prior to printing. Input (step ST53). When the input authentication information matches the authentication information set for the print job, the confidentiality identification information can be changed (step ST54).

  On the other hand, if the authentication information input in step ST53 does not match the authentication information set in the print job, it is determined whether or not to continue the authentication (step ST55). The processes after ST53 are repeated. When not continuing, the process is terminated.

  If it is determined in step ST52 that the print job is not confidential, the confidentiality identification information of the print job can be changed (step ST56). Next, it is determined whether or not the confidentiality identification information of the non-confidential print job is changed to “confidentiality” (step ST57). When it is changed to “with confidentiality”, a message that “there is a confidential print job and requires authentication setting” is displayed on the display unit of the operation panel 11 to notify the user (step ST58). The user inputs authentication information and performs authentication setting (step ST59). The hold job control means 23 attaches the input authentication information to the print job, and holds the print job with the authentication information in the print job storage memory 22. (Step ST60).

  This makes it possible to change confidentiality identification information for a print job having confidentiality only by an authorized person, and to manage confidential information more safely.

  In the above-described embodiment, a case has been described in which a message is displayed on the display unit of the operation panel 11 to notify a user of necessary information. However, a warning sound or sound from a speaker provided in the stencil printing machine 10 is used. You may make it alert | report to a user. In addition, when the print job is transmitted from an information terminal, it may be notified by displaying a pop-up window or the like that informs the information on a monitor screen provided in the information terminal. Good.

  In the above embodiment, a case has been described in which the stencil printing apparatus is connected to a laser printer so as to be able to cooperate and selectively distributes a part of the printing process that has received an instruction for stencil printing to the laser printer. It goes without saying that other plateless printing apparatuses such as an ink jet printer may be substituted for the laser printer.

1 is a block diagram showing an outline of the configuration of a print processing system according to the present invention. A flowchart showing processing performed when printing a print job from an information terminal Flow chart showing processing performed when printing a scanned image Flowchart illustrating processing performed when printing a hold job Flowchart showing an example of print job holding processing Flowchart illustrating another example of print job holding processing A flowchart showing processing performed when confidentiality identification information of a hold job is changed

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Printing processing system 10 Stencil printing machine 11 Operation panel (notification means, authentication information input means)
DESCRIPTION OF SYMBOLS 13 Image reading part 14 Image storage memory 15 Confidentiality identification information setting part 17 Print job reception part 20 Distribution part 22 Hold job storage memory (holding means)
23 Hold job control unit (holding process control means, authentication information setting means, print processing control means, change processing control means)
25 Stencil Printing Department 30 Information Terminal 31 Printer Driver 50 Laser Printer

Claims (10)

A stencil printing apparatus capable of selectively distributing a part of a print job to an external plateless printing apparatus,
Receiving means for receiving a print job;
A stencil printing apparatus comprising: a distribution unit that determines whether or not a print job received by the reception unit is confidential, and distributes the confidential print job to the plateless printing apparatus. The print job is accompanied by confidentiality identification information indicating the presence or absence of confidentiality,
The stencil printing apparatus according to claim 1, wherein the allocating unit determines whether or not the print job has confidentiality based on the confidentiality identification information.   2. The distribution processing control unit according to claim 1, further comprising a distribution processing control unit that allows the distribution unit to selectively perform a process of distributing a confidential print job to the plateless printing apparatus. The stencil printing apparatus as described. 3. The stencil printing apparatus according to claim 2 , further comprising confidentiality identification information setting means for setting and attaching the confidentiality identification information to the print job. 3. The stencil printing apparatus according to claim 2, wherein the confidentiality identification information is set in a printer driver of an information terminal connected to the stencil printing apparatus so that a print job can be transmitted. Holding means for holding the print job before printing;
Holding process control means for controlling the confidential print job so that the confidential print job is not held when the confidential print job is to be held by the holding means;
2. A notification unit for notifying a user that the confidential print job is not held when the confidential print job is to be held by the holding unit. Stencil printing machine. Holding means for holding the print job before printing;
An informing means for notifying a user that a confidential print job is about to be held when a confidential print job is about to be held by the holding means;
Authentication information setting means for enabling authentication information to be set in response to the notification;
Authentication information input means for inputting authentication information prior to printing a print job in which authentication information is set by the authentication information setting means;
And further comprising: a print processing control unit that enables the printing only when the authentication information input by the authentication information input unit matches the authentication information set by the authentication information setting unit. The stencil printing apparatus according to claim 1. Holding means for holding the print job after printing;
The stencil printing apparatus according to claim 1, further comprising a holding process control unit configured to control so that the confidential print job is not held. The stencil printing apparatus according to claim 7, wherein the authentication information is any one of a password, IC card information, and biometric information . Second authentication information input means for inputting authentication information prior to changing confidentiality identification information of a print job for which authentication information has been set by the authentication information setting means;
Change processing control means for changing the confidentiality identification information only when the authentication information input by the second authentication information input means matches the authentication information set by the authentication information setting means; 8. The stencil printing apparatus according to claim 7, further comprising:

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