JP2013243633A - Copy prohibition information embedding method, copy prohibition information recognition method and composite machine mounting copy prohibition function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for multi-purpose woven patterns, having a small number of necessary dots, having a small number of necessary copy prohibition codes, capable of quickly determining copy prohibition secret documents with very high recognition accuracy, and preventing false recognition for unspecified documents other than copy recognition.SOLUTION: A method can fuse a character floating function, a copy prohibition function and a document tracking function so as to determine whether it is copied document or an original document according to multi-purpose woven patterns by a copy machine. The method can take advantage of intervals of the multi-purpose woven patterns for realizing the character floating function and the document tracking function to add copy prohibition codes to embed copy prohibition information into even a page entirely having characters. In addition, the method can be also applied for printing having low accuracy, and has an excellent property of high-speed reading.

Description

  The present invention relates to the field of embedding a large amount of information in a print image, and proposes a method for realizing a copy prohibition function in a copying machine and a multifunction machine equipped with the copy prohibition function.

  With the advancement of information science, the loss of corporate information and personal information has become a serious social problem, particularly with the spread of copiers representing OA systems. According to a survey by the Japan Network Security Association, in 2005, information leakage from paper media accounted for 49.9% of the total outflow route. This percentage is increasing year by year, rising to 69.4% in 2010.

  Here, it has become essential to realize a copy prohibition function in a copying machine.

As for the technology that realizes the copy prohibition function in a copying machine, a representative patent in Japan is “Data creation method and image forming device” (specialized by a major manufacturer of copying machines, Company X).
A method for realizing a copy prohibiting function of a multifunction peripheral by performing pattern matching on a formed pattern image has been proposed.

  Regarding the technology for realizing the copy prohibition function in the copying machine, another is a patent entitled “Image Forming Apparatus, Image Forming Method, and Image Forming Program” (Patent 2006-325026) submitted by company R, a copy machine manufacturer of another company. . This patent is a technique for determining whether or not a dot pattern composed of several matrices can be copied using the result of pattern matching.

  A technique for realizing the copy prohibiting function by another method is described in “Image processing apparatus, image forming apparatus, determination method, program, and computer-readable storage medium” (Patent 2011-182162) submitted by copier manufacturer S. Has been. This patent implements copy prohibition using a specific color figure as a feature pattern of copy prohibition.

  In order to realize the copy prohibition function in the copy machine, the copy machine maker C company submitted “Apparatus capable of detecting copy prohibition information, control method and program thereof” (Patent 2012-10181). This patent records information by shifting the position of a matrix dot pattern with respect to a reference point, and becomes a copy prohibition code.

  Each of the above published patent technologies has its own characteristics and is practical, but each has its own drawbacks. For example, the color graphic method submitted by Company S is not only occupying a specific space, but is also prone to illegal attacks. The method of forming a plurality of matrix dot patterns submitted by R Company and forming a trimming pattern cannot simultaneously implement the tracking function, and restricts the information security function of the copying machine.

  The dot pattern method submitted by Company X occupies a wide space, and the shape of the matrix dot pattern arrangement is particularly simple. Therefore, it is easy to misrecognize an unspecified copy image.

  As described above, it is necessary to submit a method for constructing a copy prohibiting function that does not cause erroneous recognition at a certain rate for an unspecified copy image by using as few dot patterns as possible.

  A first object of the present invention is to propose a copy prohibition code applied to a multipurpose background pattern that can be combined with a character floating function, a tracking function, and the like. In addition, the proposed copy prohibition code proposes a copy prohibition method that has the smallest number of dots in the dot pattern and the number of necessary copy prohibition codes.

  The second object of the present invention is that the copy prohibition code is arranged in accordance with the gap between the background patterns in order to merge with the character lifting function, the tracking function, etc. We propose a method of constructing a copy prohibition code that can be discriminated at a speed as fast as possible with very high recognition accuracy, and that avoids erroneous recognition as much as possible for unspecified documents other than copy prohibition.

In order to solve the above problems, the present invention proposes as follows.
A method of embedding copy prohibition information to perform the copy prohibition function according to claim 1 of the present invention,
(1) For a multipurpose printed background pattern having a character lifting function and a tracking function, a copy prohibition code may be embedded in a space between overlapping figures for realizing a character lifting or tracking function based on visual characteristics. Means you can,
(2) Since there are a plurality of reference points, the proportion of the mutual distance between the information point and the reference points on both sides is not related to the enlargement or reduction of the code image, and means for constituting a copy prohibition code;
(3) The dot pattern describing copy prohibition information includes the results of information points having different positions, different distances, different directions, different proportions and different phase modulations based on the reference point, and constitutes a copy prohibition code in one form Means to
In the above, at least one means is provided.

In order to execute the copy prohibition function according to claim 2 of the present invention, a processing procedure of a method for recognizing copy prohibition information is as follows:
(1) a step of reading a copy image;
(2) The copy prohibition code is detected, and the information point includes the results of different positions, different distances, different directions, different proportions, different phase modulations based on the reference point, and according to the rules of the copy prohibition code configured in one form Identifying the code value of the copy prohibition code;
(3) a step for determining whether the document is a non-copy prohibited document, a conditional copy prohibited document, or a copy prohibited document;
(4) Steps for performing appropriate processing based on the judgment results;
The above steps are included.

  Further, the copy prohibition code has one format including the format of the one-dimensional copy prohibition code or the two-dimensional copy prohibition code.

  By adopting such a configuration, there is an effect that the probability of being recognized by the copying machine at the time of copying with respect to an unspecified non-copy prohibited document is greatly reduced.

Further, in the copy prohibition code, copy prohibition information, non-copy prohibition information, or conditional copy prohibition information is composed of different code values.

  With such a configuration, when different codes are given to different copy prohibition information according to the difference in the copy prohibition information, there is an advantage that different documents to be copied are easily discriminated.

  In addition, the copy prohibition function includes at least one of a function incapable of copying a document in which a copy prohibition code is embedded, a function of not transmitting to any mailbox, and a function of not transmitting a fax.

  By adopting such a configuration, it is possible to take countermeasures in consideration of all of the confidential document outflow routes, in which the control range of the copy prohibition function is widened.

A multifunction peripheral (MFP) equipped with a copy prohibition function according to claim 6 of the present invention, which is constituted by a scanner, a printer, or a microprocessor.
(1) The scanner is connected to the microprocessor and can exchange and control data in both directions.
(2) The printer is connected to the microprocessor and can exchange and control data in both directions.
(3) The part where the program for recognizing the copy prohibition function is arranged in the microprocessor,
(4) A portion where a multifunction peripheral (MFP) equipped with a copy prohibition function is connected to a computer via a local area network,
(5) The computer is also connected to the printer or scanner through the USB interface.
(6) For a document that should be prohibited from being copied, a program that embeds copy prohibition information installed in the computer and that is printed with the copy prohibition code embedded in the corresponding document, or copying prohibited A part that embeds a program to embed information in the MFP (MFP) and creates a copy-prohibited document by embedding a copy-prohibition code by a program installed in the microprocessor of the MFP (MFP) when printing a document to be prohibited from copying ,
It is to provide each part mentioned above.

  The present invention submits a method for embedding copy prohibition information applicable to a multipurpose copy-forgery-inhibited pattern, and a character lifting function, a copy prohibition function, and a document tracking function capable of determining whether the document is a document copied by a multipurpose copy-forgery or a manuscript with a copying machine Can be fused.

  Further, the space between the multipurpose background patterns for realizing the character lifting function and the tracking function can be skillfully used, and a copy prohibition code can be put thereon, and even when the entire page is a character, copy prohibition information can be embedded. In addition, this method is also applied to printing with low accuracy, and has an excellent property that can be read at a high speed.

  Furthermore, the probability of correctly recognizing a document in which a copy prohibition code is embedded can be achieved to 95% or more. For unspecified non-copy prohibited documents, the probability of misrecognition can be reduced to 1/3 million or less.

  Now, an example of implementation based on the present invention will be described in detail with reference to the drawings. This example only illustrates the invention and does not limit the scope of the invention.

FIG. 1 is a conceptual diagram of a multifunction peripheral (MFP) equipped with a copy prohibition function. As shown in FIG. 1, a multi-function peripheral (MFP) equipped with a copy prohibiting function includes a scanner, a printer, and a microprocessor.
It is also possible for the scanner to connect to the microprocessor and to exchange and control data in both directions.
A copy prohibition program is arranged in the microprocessor, and a multi-function peripheral (MFP) equipped with a copy prohibition function is connected to the computer by a local area network.

Computers are also connected to scanners or printers via an interface such as USB.
A copy-prohibited code can be embedded in a corresponding document and printed by a program that embeds copy-prohibited information installed in the computer for the document that should be copy-prohibited, thereby creating a copy-prohibited document.

  When a program that embeds copy prohibition information is installed in a multifunction peripheral (MFP) and a document that should not be copied is printed, the copy prohibition code is embedded by the program installed in the microprocessor of the multifunction peripheral (MFP), and the copy prohibition document Can also be created.

In order to execute the copy prohibition function, a method of embedding copy prohibition information is as follows.
(1) In order to improve the problem of seeing a pattern in which information is embedded due to the copying accuracy of the multifunctional machine having only 200 dpi for a multipurpose printed background pattern having a character floating function and a tracking function, Based on this, the background pattern that realizes the character floating or tracking function is made into a fixed figure and repeated. Means capable of embedding a copy prohibition code in the gap between the overlapping figures.
(2) Means that can form a copy prohibition code because there are a plurality of reference points, and the proportionality of the mutual distance between the information point and the reference points on both sides is irrespective of the enlargement or reduction of the code image. .
(3) The dot pattern describing copy prohibition information includes the results of information points having different positions, different distances, different directions, different proportions and different phase modulations based on the reference point, and constitutes a copy prohibition code in one form Means to do.

  FIG. 2 is a diagram showing a copy prohibition code. As shown in FIG. 2, (201) is a copy prohibition code, (202) and (203) are reference points (referred to as reference dots) of the copy prohibition code, and (204) is an information point (referred to as an information dot). It is.

  The information point (204) records copy prohibition information according to different positions, different distances, different directions, different proportions and different phase modulation results based on the reference points (202 or 203) on both sides.

  Reference numeral 205 denotes a blank position. Here, the code value of the copy prohibition code (a) is 0, the code value of the copy prohibition code (b) is 1, and the code value of the copy prohibition code (c) is 2.

  Considering that the copy prohibition code can be recognized using the preview image of the copying machine, the cost can be reduced and the copy speed of the copy prohibition code shown in FIG. Is a size that satisfies the accuracy of the preview image of the copying machine. If the interval between the dots of the copy prohibition code as shown in FIG. 2 is close, it can be detected quickly from the printed image by maintaining a constant density.

  Since the copy prohibition code occupies only a small space with respect to the entire document, there is a feature that the copy image is not affected.

  FIG. 3 is a diagram showing another copy prohibition code. As shown in FIG. 3, (301) is a copy prohibition code, (302) and (303) are reference points (referred to as reference dots) of the copy prohibition code, and (304) is an information point (referred to as an information dot). It is.

  As described above, the information point (304) can copy the copy prohibition information according to the result of different positions, different distances, different directions, different proportions, different phase modulations based on the reference points (302 or 303) on both sides. Record.

  305 is another information point, and the information point (305) is copy-prohibited according to the result of different position, different distance, different direction, different proportionality, different phase modulation based on the reference point (302 or 303) on both sides Record information.

  Reference numeral 306 denotes a blank position. Here, the code value of the copy prohibition code (a) is information 0, the code value of the copy prohibition code (b) is information 1, the code value of the copy prohibition code (c) is information 2, and the copy prohibition code (d ) Is the information 3, the code value of the copy prohibition code (e) is information 4, the code value of the copy prohibition code (f) is information 5, and the code value of the copy prohibition code (g) is information 6. The code value of the copy prohibition code (h) is information 7, the code value of the copy prohibition code (i) is information 8, the code value of the copy prohibition code (m) is information 9, and the copy prohibition code (n) The code value is information 10, and the code value of the copy prohibition code (o) is information 11.

FIG. 4 shows that the enlargement or reduction of the image does not affect the copy prohibition code. As shown in FIG. 4, (401) is a copy prohibition code.
Reference numerals (402) and (403) are reference points for the copy prohibition code. (404) is an information point.

  d1 is the distance from the information point (404) to the reference point (402), and d2 is the distance from the information point (404) to the reference point (403). (401) ′ is an enlarged image of the copy prohibition code (401), (402 ′) and (403 ′) are reference points of the enlarged image of the copy prohibition code (401), and (404 ′) is a copy prohibition code (401). ) Information point of the enlarged image, D1 is the distance from the information point (404 ′) to the reference point (402 ′), and D2 is the distance from the information point (404 ′) to the reference point (403 ′).

  According to the geometrical theorem, d1 / d2 = D1 / D2, and the expansion or reduction of the copy prohibition code is not related to the proportionality between the information point and the reference point, but the proportionality between the information point and the reference point becomes the code value of the information. Related.

  That is, there is a feature that prevents an illegal person from properly recognizing a copy prohibition code by an enlargement or reduction operation on a document in which copy prohibition information is embedded with the copy prohibition code shown in FIG.

FIG. 5 is a diagram showing a two-dimensional copy prohibition code.
For an unspecified non-copy-prohibited image, the image of the copy-prohibition code is similar to the image of a portion of the non-copy-prohibited image, and may not be copied. In order to avoid this phenomenon as much as possible, a copy prohibition code as shown in FIG. 5 is proposed. A two-dimensional copy prohibition code composed of the copy prohibition code (a) shown in FIG. 2, that is, code 0, and another copy prohibition code (e) shown in FIG.

  In FIG. 5, (501) is the first copy prohibition code, and (502) is the second copy prohibition code.

  When recording copy prohibition information using a two-dimensional copy prohibition code, the probability P1 of having an image or a dotted line that may be recognized as copy prohibition information in the non-copy prohibition document 0.05, and the probability P2 of the presence of an image, a dotted line, or the like of a portion that matches the proportionality between the information point of the copy prohibition code (c) in FIG. In the corresponding non-copy prohibited image, the probability P3 that another partial image or dotted line exists in the vicinity of the copy prohibition code (c) in FIG. 3 has a probability p4 that matches the proportionality of the distance between the information point (304) of the copy prohibition code (e) in FIG. 3 and the reference point to 0.05, and the information point of the copy prohibition code (e) in FIG. The probability p5 that matches the proportionality of the distance between (305) and the reference point is If .05, the condition probability theory, the probability P that the non-copy inhibit image is not copied is as follows.

Formula 1

  The formula 1 is the two-dimensional copy prohibition code shown in FIG. 5, and the probability that the non-copy prohibited image is not copied will be 0.0000031.

  For example, if a single copying machine copies 120 documents a day, one non-copy prohibited document will not be copied in about 10 years. Therefore, a dot matrix for all pages is not necessary, and a recognition rate of 95% or higher can be achieved for copy-prohibited documents with only 7 dots, and 0 for non-copy-prohibited documents. It is also possible to realize an erroneous recognition rate of .05% or less (in fact, an erroneous recognition rate of 1/3 million as described above).

  FIG. 6 shows another two-dimensional copy prohibition code. As shown in FIG. 6, in order to prevent an unspecified non-copy prohibited image from being recognized as an image of a copy prohibition code, it is arranged at a different interval from the dot matrix of the two-dimensional copy prohibition code.

  A two-dimensional copy prohibition code can be constructed by combining the copy prohibition code (a) in FIG. 2, that is, the code value 0, and another copy prohibition code (b) in FIG. In FIG. 6, (601) is the first copy prohibition code, and (602) is the second copy prohibition code.

  Since it is conceivable to construct the two-dimensional copy prohibition code in various formats, all of the copy prohibition codes configured based on the above theory belong to the scope of the present invention.

  By embedding the mailbox address or fax number as information in the document for a copier that can be automatically sent, the information is read in the memory of the copier, and as a confidential document with a copy prohibition code embedded, You can create a mechanism that not only does not make a copy, but does not send it to any mailbox or send it to any fax number.

  FIG. 7 shows a non-copying prohibition code. Since it is possible to quickly detect that the document is a non-copy-prohibited document, normal steps can be taken to increase the speed of the copying machine.

  As shown in FIG. 7, the information code (b) in FIG. 2, that is, code value 1 is set as a non-copying-inhibited code, and a copying machine equipped with a copy-inhibiting function is quickly recognized as a non-copying-inhibited document, and normal Enter the correct copying step.

  FIG. 8 is a diagram showing a conditional copy prohibition code. With conditional copy prohibition, it is possible to copy even a document in which copy prohibition information is embedded by inputting the user name or password of a legal user.

  The conditional copy prohibition code is composed of the copy prohibition code (c) in FIG. 2, that is, the code value 2, and the copy prohibition code (b) in FIG. 3, that is, the code value 1 or the copy prohibition code (e), that is, the code value 4. Is done. (801) is the first conditional copy prohibition code, and (802) is the second conditional copy prohibition code.

  FIG. 9 shows the process of the copy prohibition function. As shown in FIG. 9, first, a part of an image to be copied is read in S1. In S2, the first copy prohibition code is detected. If the copy prohibition code is not detected, step S8 is entered. If not, go to the next step.

  In S3, the first copy-inhibited code in the rule of the copy-inhibited code arranged in one of the different positions, different distances, different directions, different proportions, and different phase modulation results of the information point and the reference point Recognize code values.

  FIG. 10 is an example of an array diagram of copy prohibition codes. As shown in FIG. 10, the multipurpose background pattern can simultaneously constitute a function for prohibiting copying a confidential document and a function for tracking a document, together with a character lifting function or a character sinking function.

  This background pattern is the background of a document in which information is embedded. Since the non-copying prohibition code and the copy prohibition code shown in FIG. 5, FIG. 6, FIG. 7 and FIG. 8 described above are rectangular, there is an advantage that they can be easily arranged in the gaps between figures repeatedly used for the character lifting function. is there.

  FIG. 11 is a conceptual diagram of a square copy prohibition code. As shown in FIG. 11, (1101) is a copy prohibition code, (1102) and (1103) are reference points (referred to as reference dots) of the copy prohibition code, and (1104), (1105) and (1106) are information. A point (referred to as an information dot).

  The information is arranged based on different positions and different phase modulation results, and copy prohibition information is recorded.

  Here, the code value of the copy prohibition code (a) is information 0, the code value of the copy prohibition code (b) is information 1, the code value of the copy prohibition code (c) is information 2, and the copy prohibition code (d ) Is the information 3, the code value of the copy prohibition code (e) is information 4, the code value of the copy prohibition code (f) is information 5, and the code value of the copy prohibition code (g) is information 6. The code value of the copy prohibition code (h) is information 7, the code value of the copy prohibition code (i) is information 8, the code value of the copy prohibition code (m) is information 9, and the copy prohibition code (n) The code value is information 10, the code value of the copy prohibition code (o) is information 11, and the code value of the copy prohibition code (p) is information 12.

  As described above, the non-copying prohibition code, the conditional copy prohibition code, and the copy prohibition code can be indicated by the respective codes in FIG.

  Subsequently, if it is determined at S4 that the code is a non-copying prohibition code, S8 is entered. Otherwise, it is necessary to determine whether conditional copying is prohibited or general unconditional copying is prohibited.

  In S5, the second copy prohibition code according to the rule of the copy prohibition code arranged in at least one of the positions of the information point and the reference point in different positions, different distances, different directions, different proportions and different phase modulation results Detect value.

  In S6, it is determined whether copying is prohibited. If the copy is not prohibited, it is determined that the document is a non-copy prohibited document, and the process goes to S8. Otherwise, if it is determined in S4 that the code is a conditional copy prohibition code, based on the screen display of the copier, after entering the user name and password of a legal user, the copier will display the copy of the document. Whether the user is a legal user is determined based on the data of the copy prohibition condition embedded or the data of the copy prohibition condition written in the memory.

  If it turns out that it is a legal user, the copying operation can proceed. Otherwise, the next process is started with the copy prohibited.

  In S7, the copy prohibition process is performed, and the operation in S9 is started. Copy prohibition here means having at least one of a function that cannot copy a document in which a copy prohibition code is embedded, a function that is not transmitted to any mailbox, and a function that does not transmit a fax.

  In S8, it is determined whether all images to be copied have been read. If the operation is not completed, the operation of S1 is entered, and the copy image is subsequently read.

  At S9, all programs are finished.

1 is a conceptual diagram of a multifunction peripheral (MFP) equipped with a copy prohibiting function. It is a figure which shows a copy prohibition code. It is a figure which shows another copy prohibition code. It is a conceptual diagram that a copy prohibition code is not affected by enlargement or reduction. It is a figure which shows a two-dimensional copy prohibition code. It is a figure which shows another two-dimensional copy prohibition code. It is a figure which shows the information code which is not copy prohibition. It is a figure which shows a conditional copy prohibition code. It is a figure which shows the processing process of a copy prohibition function. FIG. 6 is an array diagram of copy prohibition codes. It is a figure of a square copy prohibition information code.

A code 201 embeds copy prohibition information.
Reference numeral 202 denotes a reference matrix of copy prohibition codes.
Reference numeral 203 denotes a reference matrix of copy prohibition codes.
Reference numeral 204 denotes an information matrix.
Reference numeral 205 denotes a blank position.
A code 301 embeds copy prohibition information.
Reference numeral 302 denotes a reference matrix of copy prohibition codes.
Reference numeral 303 denotes a reference matrix of copy prohibition codes.
Reference numeral 304 denotes an information matrix.
Reference numeral 305 denotes another information matrix.
Reference numeral 306 denotes a blank position.
401 is a code for embedding copy prohibition information.
Reference numeral 402 denotes a reference matrix of copy prohibition codes.
Reference numeral 403 denotes a reference matrix of copy prohibition codes.
Reference numeral 404 denotes an information base point.
401 ′ is an enlarged view of the copy prohibition code 401.
Reference numeral 402 ′ denotes an enlarged image reference matrix of the copy prohibition code 401.
Reference numeral 403 ′ is a reference matrix of an enlarged image of the copy prohibition code 401.
Reference numeral 404 ′ denotes an information point of an image in which the copy prohibition code 401 is enlarged.
Reference numeral 501 denotes a first copy prohibition code.
Reference numeral 502 denotes a second copy prohibition code.
Reference numeral 601 denotes a first copy prohibition code.
Reference numeral 602 denotes a second copy prohibition code.
Reference numeral 801 denotes a first copy prohibition code.
Reference numeral 802 denotes a second copy prohibition code.
Reference numeral 1101 denotes a code for embedding copy prohibition information.
Reference numeral 1102 denotes a reference matrix of copy prohibition codes.
Reference numeral 1103 denotes a reference matrix of copy prohibition codes.
Reference numeral 1104 denotes an information matrix.
Reference numeral 1105 denotes an information matrix.
Reference numeral 1106 denotes an information matrix.

Claims (6)

A method of embedding copy prohibition information to execute a copy prohibition function,
(1) For a multipurpose printed background pattern having a character lifting function and a tracking function, a copy prohibition code may be embedded in a space between overlapping figures for realizing a character lifting or tracking function based on visual characteristics. Means you can,
(2) means for constituting a copy prohibition code, wherein the number of reference points is plural, and the proportionality of the mutual distance between the information point and the reference points on both sides is irrespective of the enlargement or reduction of the code image;
(3) The dot pattern describing copy prohibition information includes the results of information points having different positions, different distances, different directions, different proportions and different phase modulations based on the reference point, and constitutes a copy prohibition code in one form Means to
The above-described method of embedding copy prohibition information, characterized in that it includes at least one means. A processing procedure of a method for recognizing copy prohibition information in order to execute a copy prohibition function,
(1) a step of reading a copy image;
(2) The copy prohibition code is detected, and the information point includes the results of different positions, different distances, different directions, different proportions, different phase modulations based on the reference point, and according to the rules of the copy prohibition code configured in one form Identifying the code value of the copy prohibition code;
(3) a step capable of determining whether the document is a non-copy prohibited document, a conditional copy prohibited document, or a copy prohibited document;
(4) a step of performing a corresponding process based on the determination result;
Each of the above steps is provided, and a method for recognizing copy prohibition information.   The copy prohibition code according to claim 1 or 2, wherein the copy prohibition code has one format including a format of a one-dimensional copy prohibition code or a two-dimensional copy prohibition code. How to perform the function.   2. The copy prohibition code according to claim 1, wherein the copy prohibition information, the non-copy prohibition information, or the conditional copy prohibition information is composed of different code values. How to execute the copy prohibition function described in 1.   The copy prohibiting function according to claim 1 or 2, comprising at least one of a function incapable of copying a document in which a copy prohibition code is embedded, a function not to be transmitted to any mailbox, and a function not to be faxed. 3. A method for executing a copy prohibition function according to claim 1, wherein the copy prohibition function is executed. A multi-function peripheral (MFP) equipped with a copy prohibition function, which consists of a scanner, printer, or microprocessor.
(1) The scanner is connected to the microprocessor and can exchange and control data in both directions.
(2) The printer can also be connected to the microprocessor to exchange and control data in both directions.
(3) a portion in which a program for recognizing the copy prohibiting function is arranged in the microprocessor;
(4) A portion where a multifunction peripheral (MFP) equipped with a copy prohibition function is connected to a computer via a local area network,
(5) A part connected to a printer or scanner through a computer and a USB interface,
(6) A copy-prohibited code embedded in a computer that embeds a copy-prohibited code in a corresponding document and prints it to create a copy-prohibited document, or a copy. A program that embeds prohibition information is installed in the MFP (MFP), and when a document to be prohibited from copying is printed, the copy prohibition code is embedded by the program installed in the microprocessor of the MFP (MFP) to create a copy-prohibited document. This is a multi-function peripheral equipped with a copy prohibiting function characterized by comprising the above-described parts.