JP2002176565A - Image data delivery system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an extremely appropriate color printed matter within the range of ink colors of a plate cylinder owned by a user side. SOLUTION: The image data delivery system has a delivery center 60 which delivers image data and a stencil printing device 1 to which image data is delivered, and the delivery center 60 is provided with a database 61 where a lot of image data are preserved, a user information storage part 64 which preserves color information of the plate cylinder owned by the user side being the delivery destination, and a color separation data generation part 62 which performs color separation of image data outputted from the database 61 to generate color separated picture data, and image data subjected to color separation within the range of color information of the plate cylinder owned by the user is generated, and this generated image data is delivered while including color information.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an image data distribution system in which a distribution center distributes image data having added value to a stencil printing apparatus.

[0002]

2. Description of the Related Art In a stencil printing apparatus, a stencil sheet is heat-perforated by a heat-sensitive head in accordance with a desired image, and the heat-perforated stencil sheet is wound around an outer peripheral surface of a plate cylinder to which ink is supplied. The printing paper is supplied so as to be pressed against the wound stencil sheet, and the ink image is printed by transferring the ink on the printing drum side from the perforation of the stencil sheet to the printing paper in the pressing and conveying process. The plate cylinder of the stencil printing apparatus is generally detachably provided on the apparatus main body, and can be printed with a desired ink color by replacing the plate cylinder with a different ink color. Therefore, a color print can be obtained by repeating the printing operation a plurality of times using plate cylinders of different ink colors. There is also an apparatus in which a plurality of plate cylinders having different ink colors are built in the apparatus main body so that a plurality of color printing can be performed by one printing operation.

On the other hand, in recent years, a system has been proposed in which a distribution center distributes value-added image data using a network, portable media, and the like, and charges according to the use status of the distributed image data. The above-mentioned stencil printing apparatus can be considered as the information distribution destination.

[0004]

Some image data distributed by the distribution center is to be distributed to the user as color prints. However, even when the distribution center distributes the image data in response to the user's request, even if the distribution center distributes the image data including the color information of the image data, the user retains the corresponding ink color plate cylinder on the user side. Otherwise, the user cannot obtain an appropriate printed material, and the distributor cannot provide the intended color printed material.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an image data distribution system for distributing a color print material that is as appropriate as possible within a range of ink colors of a plate cylinder held by a user. The purpose is to provide.

[0006]

According to a first aspect of the present invention, there is provided an image data distribution system having a distribution center for distributing image data and a stencil printing apparatus receiving image data distribution from the distribution center. The center grasps the color information of the plate cylinder of the stencil printing device held by the user who is the distribution destination, and when there is a distribution request of the image data from the user side, the center that the user has It is characterized in that image data that is color-separated within the range of the color information of the plate cylinder is created, and the created image data is transmitted including the color information.

In this image data distribution system, only image data that has been color-separated within the range of the color information of the plate cylinder held by the user is distributed.

According to a second aspect of the present invention, there is provided an image data distribution system having a distribution center for distributing image data and a stencil printing apparatus receiving distribution of the image data from the distribution center. A database for storing data, a user information storage unit for storing color information of a plate cylinder of the stencil printing apparatus held by a user who is a distribution destination, and color separation of image data output from the database to perform color separation. A color separation data generation unit that can generate separated image data, and when a user requests image data distribution, a color within a range of the color information of the plate cylinder held by the user. It is characterized in that decomposed image data is created, and the created image data is delivered including color information.

In this image data distribution system, only the image data that has been color-separated within the range of the color information of the plate cylinder held by the user is distributed, as in the first aspect of the present invention.

[0010] The invention of claim 3 is claim 1 or claim 2.
The image data distribution system according to any one of claims 1 to 3, wherein the stencil printing apparatus includes a color information detection unit that detects color information included in image data distributed from the distribution center.

In this image data distribution system, in addition to the effect of the first or second aspect of the present invention, plate making can be performed based on the color information detected by the color information detecting section of the stencil printing apparatus.

According to a fourth aspect of the present invention, there is provided the image data distribution system according to any one of the first to third aspects, wherein the distribution center and the stencil printing apparatus are connected via a network line, and are connected via a network line. It is characterized in that image data is distributed.

In this image data distribution system, in addition to the effects of the first to third aspects of the present invention, the user can make a request for distribution of image data via a network line, and the distribution center side can transmit the image data via the network line. Can be delivered.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

1 to 3 show one embodiment of the present invention.
FIG. 1 is a schematic configuration diagram of a stencil printing apparatus, FIG. 2 is a circuit block diagram of an image distribution system in which the stencil printing apparatus is an image providing target, and FIG. .

First, the configuration of the stencil printing apparatus 1 will be described with reference to FIG. The stencil printing apparatus 1 mainly includes a document reading unit 2, a stencil making unit 3, a printing unit 4, a paper feeding unit 5, a paper discharging unit 6, and two stencil discharging units 7.

The document reading section 2 is provided on an upper portion of the apparatus main body 8, and reads a document to be printed as an electric signal.
The read information is generated as image data for the first printing drum color ink and the second printing drum color ink. The image data can be processed based on a predetermined command (enlargement, reduction, etc.).

The plate-making unit 3 has a plate-making unit 9 provided on the apparatus main body 8 so as to be horizontally movable.
Is a first stencil sheet supply position where the stencil sheet 11 is supplied to the first plate cylinder 25 by the stencil unit moving means 10;
Is supplied to the second plate cylinder 26 (the position shown in FIG. 1). Plate making unit moving means 10
A plate making unit moving motor 12 fixed to the plate making unit 9 side, a worm gear 13 fixed to a rotating shaft of the plate making unit moving motor 12, a worm wheel (not shown) meshing with the worm gear 13, It is composed of a pinion gear 14 fixed coaxially with a worm wheel (not shown), and a rack 15 engaged with the pinion gear 14 and fixed to the apparatus main body 8 side.

The stencil making unit 9 includes a stencil container 16 for accommodating a rolled long stencil 11 and a plurality of transports for guiding the leading end of the stencil 11 accommodated in the stencil 16 downstream. Roll 17 and these transport rolls 1
7, a thermal head 18 disposed downstream of the thermal head 18, a platen roll 19 disposed at a position facing the thermal head 18 and rotated by a driving force of a write pulse motor (not shown), a platen roll 19 and the thermal head 18.
The stencil sheet 11 is disposed downstream of the stencil sheet 11 in the conveying direction, and is rotated by a driving force of a light pulse motor (not shown); a guide plate 21 against which the stencil sheet feed roller 20 is pressed; 120 and a base paper cutter 22 disposed between the guide plate 21 and the platen roll 19 and the thermal head 18.

The printing unit 4 includes a first plate cylinder 25 and a second plate cylinder 26
And a printing drum 27 serving as a printing pressure rotating member. The first plate cylinder 25 and the second printing drum 26 are disposed at diagonally upper left and right positions of the printing drum 27, respectively. More specifically, the first plate cylinder 25 and the second plate cylinder 26 are close to each other at a position on the outer peripheral surface of the paper cylinder 27 which is approximately 90 degrees away from the center angle of the paper cylinder 27. The first plate cylinder 25 and the second plate cylinder 26 are provided detachably with respect to the apparatus main body 8. Each of the plate cylinders 25 and 26 is set to an internal mounting position by inserting the plate cylinders 25 and 26 from the outside of the apparatus main body 8 using a slide member. You can take it out by pulling it out. The plate cylinders 25 and 26 set at the mounting position are provided rotatably, and as shown by arrows in FIG. And rotated by a drum rotation mechanism (not shown). The drum rotation mechanism (not shown) is driven using a main motor (not shown) as a drive source.

The first plate cylinder 25 and the second plate cylinder 26 are rotatably supported left and right annular frames (particularly without reference numerals).
Are connected by a plate seat 28, which forms part of the outer peripheral surfaces of the first plate cylinder 25 and the second plate cylinder 26. A stencil clamp 29 is provided on the plate seat 28, and the leading end of the stencil 11 is clamped by the stencil clamp 29.

A front end of a screen 30 is fixed to each plate seat 28, and this screen 30 is wound around each outer peripheral surface of the first plate cylinder 25 and the second plate cylinder 26. The rear end side of each screen 30 is connected to each plate seat 28 via a spring 31.
The screen 30 is provided so as to swell outwardly against the spring force of the spring 31. Each of the screens 30 is, for example, a mesh structure, and when pressed by an intermediate press roll 33 described below, the ink 38 passes from the inner surface to the outer surface. That is, each screen 30
First plate cylinder 25 and second transport 26 to which ink 38 is supplied
Are formed as outer peripheral surface portions.

An inner press mechanism 32 is accommodated in each screen 30 of the first plate cylinder 25 and the second plate cylinder 26, respectively. Each of the inner press mechanisms 32 has an intermediate press roll 33 that has both a function of applying a printing pressure from the inner peripheral side of the screen 30 and a function of supplying the ink 38 to the screen 30. The intermediate press roll 33 is rotatably provided on the roll support members 34 on both sides, and is rotationally driven in synchronization with the rotation of the first plate cylinder 25 and the second plate cylinder 26 by a driving unit (not shown). This roll support member 3
A roll support member 4 is rotatably supported about a support shaft 35, a roll support member 34 is rotated in a direction indicated by an arrow a in FIG. 1 and a middle press roll 33 presses the inner peripheral surface of the screen 30, and a roll support member. The roller 34 is configured to be rotatable in the direction of the arrow b in FIG. 1 so that the intermediate press roller 33 can be shifted to and from a standby position where the roller 33 is separated from the inner peripheral surface of the screen 30. The middle pressing roll 33 is set to a pressing position during printing,
It is a standby position except when printing.

A first doctor roll 36 and a second doctor roll 37 are fixed to the roll support member 34, respectively. The first doctor roll 36 and the second doctor roll 37 have a columnar shape, and both of the
Are located in close proximity to each other. The ink 38 is supplied from an ink supply unit (not shown) to an outer space surrounded by the first doctor roll 36 and the second doctor roll 37, which is an outer peripheral space of the middle press roll 33, and an ink reservoir 39 is provided at this position. Be composed. Black ink 38 is supplied to the first plate cylinder 25 side, and red ink 38 is supplied to the second plate cylinder 26 side. That is, in this embodiment, the first plate cylinder 25 is a black ink plate cylinder, and the second plate cylinder 26 is a red ink plate cylinder. The gap between the doctor roll 36 and the middle press roll 33 is set so that the ink film thickness adhering to the middle press roll 33 is predetermined, and the gap between the second doctor roll 37 and the middle press roll 33 is set to such an extent that ink leakage does not occur. Is set. When the middle press roll 33 rotates, ink of a predetermined thickness is continuously attached to the outer peripheral surface of the middle press roll 33 by a gap with the first doctor roll 36, and the ink 38 is supplied to the screen 30 by the middle press roll 33.

The paper supply unit 5 includes a printing paper 41 as a printing medium.
, A primary paper feed roll 43 pressed from the paper supply table 42 to the uppermost printing paper 41, and a pair of 2
Next paper supply roll 44, this secondary paper supply roll 44 and paper cylinder 2
Guide plate 4 for guiding the conveyance of the printing paper 41 between itself and
And 5. Only the uppermost printing paper 41 is transported to the pair of secondary paper feeding rolls 44 by the rotation of the primary paper feeding roll 43, and the transported printing paper 41 becomes
By the rotation of the next paper feed roll 44, it is supplied to the printing unit 5 in synchronization with the rotation of the paper cylinder 27.

The paper discharge unit 6 is a printing paper 41 on which printing has been completed.
The upper regulation guide portion 46 for guiding the leading end of the
A paper stripping claw 47 for stripping the printing paper 41 which is not peeled from the paper sheet, and a pair of paper discharge rolls 48 for conveying the printing paper 41 guided by the upper regulation guide portion 46 or peeled off by the paper stripping claw 47; And a discharge table 49 on which the printing paper 41 discharged by the pair of discharge rollers 48 is placed in a stacked state.

The plate discharging section 7 includes a first plate cylinder 25 and a second plate cylinder 2.
6 are provided at two locations with the same configuration. Each plate discharging section 7 includes a first plate cylinder 25 and a second plate cylinder 26.
A pair of plate discharging rolls 5 which are arranged at a slight distance from the outer peripheral surface of
0, 51 and the stencil sheet 11 hung between the pair of stencil discharge rolls 50, 51 and released from the stencil clamping section 29.
And a stencil sheet 11 guided by the stencil guide belt 52 and a stencil sheet 11 conveyed while being peeled off from the first plate cylinder 25 and the second plate cylinder 26 in cooperation with the stencil roll 51. 53 and the plate discharging rolls 51, 5
A stencil box 54 for storing the stencil sheet 11 conveyed by the stencil 3, and a stencil sheet 1 at the back of the stencil box 54.
1 and a compression plate 55 for pressing the pressure plate 1.

The user, as shown in FIG.
In addition to the first plate cylinder 25 of black ink and the second plate cylinder 26 of red ink, the plate cylinder 90 of blue ink is held.

On the other hand, as shown in FIG.
Is capable of bidirectional data transmission with the distribution center 60 via a network line. The distribution center 60 includes a database 61 storing a large number of image data having added value, a color separation data generation unit 62 capable of freely separating the image data in the database 61 and creating color-separated image data, and a database. 61
Through the color separation data generation unit 62, the image data re-created by the color separation data generation unit 62 is transmitted including the color information, and a download request of image data, user data, and the like are received. A communication section 63; and a user information storage section 64 for storing user data received by the communication section 63.
And a control unit 6 for controlling a database 61, a color separation data generation unit 62, a communication unit 63, a user information storage unit 64, and the like.
5 is provided.

The stencil printing apparatus 1 requests download of image data and user data (print cylinder color information, billing information, etc.).
And a communication unit 70 for receiving the image data, and an image storage unit 7 for storing the image data received by the communication unit 70.
1, a color information detection unit 72 that detects color information included in image data, and a control unit 73 that controls the communication unit 70, the image storage unit 71, and the color information detection unit 72. Control unit 73
Creates user data for the received image data by managing plate making and printing conditions for each plate made, and stores the user data in the memory 74. As user data, in addition to data used as billing data such as a file name of image data, plate making date and time, the number of prints,
There is ink color information of the plate cylinder held by the user. The user data read from the memory 74 is output to the communication unit 70.

The stencil printing apparatus 1 is provided with an operation panel section 75. The operation panel unit 75 is provided with operation input units such as a plate making / printing start key (not shown) and ten keys (not shown) for inputting the number of prints and the like, and a display panel for displaying various data. Section (not shown) is provided. The input data of the operation panel unit 75 is output to the control unit 73, and the control unit 73 outputs the original reading unit 2, the plate making unit 3, the printing unit 4, the paper feeding unit 5, the paper discharging unit 6, and the two based on each input data. The plate discharge section 7 is totally controlled.

Next, the operation of the stencil printing apparatus 1 receiving an image provided from the distribution center 60 via a network line and printing the image will be described. The stencil printing apparatus 1 requests the distribution center 60 to supply desired image data. Here, the distribution center 60 is provided by each user in advance, or
Plate cylinder 2 held when requesting supply of image data
5, 26, 90 ink color information is transmitted, and the ink color information of the plate cylinder held by each user is stored in the user information storage unit 6.
4 is held.

In the distribution center 60 that has received the image data distribution request, the image data requested from the database 61 is output to the color separation data generation unit 61, where the plate cylinders 25, 26, If the color information 90 is within the range of the original color information of the image data, the image information is passed through and output. If the color information 90 is out of the range, the range of the color information of the plate cylinders 25, 26, and 90 held by the user. The color separation is performed again, and the image data created by the new color separation is output.
That is, in this embodiment, since the user has the plate cylinders 25, 26, and 90 of black ink, red ink, and blue ink, image data within the range of the color information is output. The image data output from the color separation data generation unit 62 is downloaded to the stencil printer 1 from the communication unit 63.

The image data downloaded to the stencil printing apparatus 1 is stored in the image storage unit 72 via the communication unit 70, and the color information included in the image data is detected by the color information detection unit 72. When an operation is performed to perform plate making and printing based on the image data stored in the image storage unit 72, the operation panel unit 75 displays “image data 1 is plate making with a black ink plate cylinder, and image data 2 is a red ink plate cylinder. In plate making "
And the relationship between each image data and the color ink of the plate cylinder to be used is indicated. When a different plate cylinder is set in the apparatus main body 8, the user replaces the plate cylinder. For example, when the first plate cylinder 25 of black ink is mounted at the position of the upstream plate cylinder of the apparatus main body 8 and the plate cylinder 90 of blue ink is mounted at the position of the downstream plate cylinder, the above-mentioned instruction is not issued. In this case, the downstream plate cylinder is changed from the plate cylinder 90 of blue ink to the second plate cylinder 26 of red ink.

When the plate making start key is depressed, the rotational position of the first plate cylinder 25 is confirmed and set as the reference plate discharge position, and the stencil sheet 11 mounted on the first plate cylinder 25 is subjected to plate discharge processing.
When the plate discharging process is completed, the stencil unit 9 is set to the first stencil supply position, the stencil sheet 11 is conveyed by a fixed amount, and the leading end of the stencil sheet 11 sent from the stencil unit 9 is clamped by the stencil clamping unit 29 of the first plate cylinder 25. Clamp with. Then, the image data 1 is read from the image storage unit 71, and the stencil sheet 11 is perforated with heat by the thermal head 18 to form a stencil sheet 11 based on the image data 1. Along with the plate making operation, the first plate cylinder 25 is rotated in synchronism to perform a plate forming operation on the first plate cylinder 25. Preprinted stencil paper 11
Is cut by the stencil cutter 22, and after this cutting, the first plate cylinder 25 is further rotated by a predetermined amount to complete the stencil printing of the stencil sheet 11.

Next, the plate making unit 9 is set at the second stencil sheet supply position, and the above-described plate discharging and plate making operations are carried out in substantially the same manner for the second plate cylinder 26. The stencil sheet 11 made by heat-perforating the stencil sheet 11 is subjected to plate-making on the second plate cylinder 26. afterwards,
The printing operation is performed after the first printing operation.

Next, the first print operation and the print operation will be described. 1 and 2, the first plate cylinder 25, the second plate cylinder 26, and the paper cylinder 27 are synchronously rotated in the directions indicated by arrows, and in this state, the first plate cylinder 25 and the paper cylinder 27 The printing paper 41 is transported from the paper feeding unit 5. The transported printing paper 41 is clamped by the paper clamp unit 40 of the paper cylinder 27, and the first plate cylinder 25 and the paper cylinder 27 are moved along the outer peripheral surface of the paper cylinder 27.
Pass between. In the process of passing the printing paper 41,
The intermediate press roll 33 rotates on the inner peripheral surface of the screen 30 while pressing the inner peripheral side of the screen 30. Since the ink 38 is continuously supplied to the outer peripheral surface of the intermediate pressing roll 33, the rotation of the ink 38
Is transferred. Further, the screen 30 bulges to the outer peripheral side due to the pressing of the intermediate pressing roll 33, and is brought into pressure contact with the paper cylinder 27. Then, the transported printing paper 41 is transferred to the first plate cylinder 2.
Screen 3 between the intermediate press roll 33 and the paper cylinder 27;
The stencil sheet 11 is conveyed while being pressed together with the stencil sheet 11 and the black ink image is transferred to the printing paper 41 through the perforations of the stencil sheet 11. The printing paper 41 that has passed between the first plate cylinder 25 and the paper cylinder 27 is transported between the second plate cylinder 26 and the paper cylinder 27, and the printing paper 41 is moved between the second plate cylinder 26 and the paper cylinder 27. Pass between. At the time of this passage, the intermediate pressing roll 33
Presses the screen 30 to transfer the red ink image. When the paper clamp unit 40 of the paper cylinder 27 rotates near the entrance of the paper discharge unit 6, the paper clamp unit 40 is released.

In the paper discharge section 6, the leading end side of the printing paper 41 is guided by the upper regulating guide section 46, or the leading end side of the printing paper 41 is peeled off from the paper cylinder 27 by a paper peeling claw 47. The paper is conveyed to a paper discharge table 49 via the paper discharge roll 48. Thus, the two-color image is printed on the printing paper 41.

As described above, in the above-described image data distribution system, only the image data that has been color-separated within the range of the color information of the plate cylinders 25, 26, and 90 held by the user is distributed. Plate cylinders 25, 26, 9
An appropriate color print is obtained as much as possible within the range of 0 ink color.

In this embodiment, the stencil printing apparatus 1 has the color information detecting section 72 for detecting the color information included in the image data distributed from the distribution center 60 side. Since the plate making can be performed based on the color information detected by 72, a color print intended by the distribution side can be obtained.

In this embodiment, the distribution center 60 and the stencil printing machine 1 are connected via a network line.
Since the image data is distributed via the network line, the user can request the image data to be distributed via the network line, and the distribution center 60 can distribute the image data via the network line. The distribution of the image data may be carried by a portable medium.

In this embodiment, since the user transmits the held color information of the plate cylinder to the distribution center 60 via the network line, the color information of the plate cylinder can be easily transmitted to the distribution center 60 side.

In this embodiment, the user data includes the file name of the image data for each plate, the date and time of plate making, the number of prints, and the like. And the number of prints can be recognized, and billing can be performed based on these. For example,
By the number of plate making, or by the number of prints, or
You can charge for both of these numbers. In addition, plate making data is log-managed, and monthly management can be totaled.

When the user requests the distribution center 60 to supply the image data, the plate cylinders 25 and 2
By transmitting 6,90 ink color information every time,
There is no need to store the ink color information of the plate cylinders 25, 26, and 90 held by the user in the user information storage unit 64,
Also, the latest information can always be obtained.

According to the above-described embodiment, the present invention relates to a stencil printing machine having a plurality of plate cylinders 25 and 26 and a single paper cylinder 27 and performing two-color (multicolor) printing by an inner press method. Although the case where the present invention is applied has been described, the present invention can also be applied to a stencil printing machine having a single plate cylinder and a single paper cylinder and performing monochrome printing by an inner press method. Further, as in the second conventional example, a stencil printing apparatus having a plurality of plate cylinders and a plurality of outer rolls and performing two-color (multicolor) printing by an outer press method is also required. The present invention can be similarly applied to a stencil printing apparatus which has an outer roll and performs monochrome printing by an outer press method. In other words, the present invention conveys the printing medium while pressing it between the plate cylinder on which the stencil sheet is mounted and the printing pressure rotating member, and transfers the printing medium to the printing medium by ink transfer from the perforations of the stencil sheet in the pressing and conveying process. Can be applied to all stencil printing machines that perform

Next, a case in which the user prints image data distributed from the distribution center 60 in any color will be described. The stencil printing apparatus 1 is equipped with a hard disk drive or the like. The hard disk drive has a function of holding image data and stores software for designating an image area, image data creation software for which an area is specified, and the like. When creating a print consisting of black and red, an area to be printed in black and an area to be printed in red are designated, and image data 1 for the black area and image data 2 for the red area are created. I do. By executing the same plate making and printing using the image data 1 and 2 as described above, black and red printed matter can be obtained. Further, in order to select an ink color to be subjected to color separation, ink color information in a memory mounted on the plate cylinder may be read, and this ink color may be displayed in a color palette.

[0047]

As described above, according to the first aspect of the present invention, there is provided an image data distribution system having a distribution center for distributing image data and a stencil printing apparatus receiving distribution of image data from the distribution center. The distribution center grasps the color information of the plate cylinder held by the user as the distribution destination and creates image data in which color separation is performed within the range of the color information of the plate cylinder held by the user. Since the created image data is delivered with the color information included therein, only the image data that has been color-separated within the range of the color information of the plate cylinder held by the user is delivered. An appropriate color print is obtained as much as possible within the range of the ink color of the cylinder.

According to the second aspect of the present invention, there is provided an image data distribution system having a distribution center for distributing image data and a stencil printing apparatus receiving distribution of the image data from the distribution center. A database for storing the image data, a user information storage unit for storing the color information of the plate cylinder held by the user as the distribution destination, and a color separation of the image data output from the database, and the color-separated image data. A color separation data generation unit that can generate the image data, and generates image data separated by color within a range of the color information of the plate cylinder held by the user, and distributes the generated image data including the color information. Therefore, similar to the first aspect of the present invention, only the image data that has been color-separated within the range of the color information of the plate cylinder held by the user is distributed. Obtained as much as possible appropriate color prints within the ink color range of which plate cylinder has.

According to a third aspect of the present invention, in the image data distribution system according to the first or second aspect, the stencil printing apparatus detects color information included in the image data distributed from the distribution center. Color information detection unit,
In addition to the effects of the first and second aspects of the present invention, stencil printing can be performed based on the color information detected by the color information detection unit of the stencil printing apparatus, so that a color print intended by the distribution side can be obtained.

According to a fourth aspect of the present invention, there is provided the image data distribution system according to any one of the first to third aspects, wherein the distribution center and the stencil printer are connected via a network line, and are connected via the network line. Since the image data is distributed, in addition to the effects of the first to third aspects of the present invention, the user can request the distribution of the image data through the network line, and the distribution center can transmit the image data through the network line. Can be delivered.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram illustrating a stencil printing apparatus according to an embodiment of the present invention.

FIG. 2 shows an embodiment of the present invention, and is a circuit block diagram of an image data distribution system in which a stencil printing apparatus is an image providing target.

FIG. 3 is a diagram illustrating an embodiment of the present invention and illustrating a plate cylinder of an ink color held by a user.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 stencil printer 2 original reading unit 3 plate making unit 4 printing unit 5 paper feed unit 6 paper discharge unit 7 plate discharge unit 25, 26, 90 plate cylinder 60 distribution center 61 database 62 color separation data generation unit 64 user information storage unit 72 colors Information detector

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G06F 3/12 H04N 1/46 Z H04N 1/00 107 B41F 33/14 G 1/60 H04N 1/40 D (72) Inventor Toru Hinohara 2-20-15 Shimbashi, Minato-ku, Tokyo Inside Riso Kagaku Kogyo Co., Ltd. (72) Inventor Noboru Inamine 2-20-15 Shimbashi, Minato-ku, Tokyo Roppongi Kagaku Kogyo Co., Ltd. (72 ) Inventor Susumu Oshio 2-20-15, Shimbashi, Minato-ku, Tokyo F-term in Riso Kagaku Kogyo Co., Ltd. LL19 MP08 PP31 PP74 PQ22 TT08 5C079 HA02 LA02 LB02 MA01 NA03 PA07

Claims (4)

[Claims] An image data distribution system having a distribution center that distributes image data and a stencil printing apparatus that receives distribution of image data from the distribution center, wherein the distribution center is owned by a user who is a distribution destination. The color information of the plate cylinder of the stencil printing apparatus is grasped, and when there is a distribution request of image data from the user side, the color separation is performed within the range of the color information of the plate cylinder held by the user. An image data distribution system, which creates generated image data and distributes the created image data including color information. 2. An image data distribution system comprising a distribution center for distributing image data and a stencil printing apparatus receiving distribution of image data from the distribution center, wherein the distribution center is a database for storing a large number of image data. And a user information storage unit that stores color information of the plate cylinder of the stencil printing apparatus held by the user who is the distribution destination, and performs color separation of the image data output from the database, and converts the color-separated image data. A color separation data generating unit that can create the image data, and when there is a distribution request of the image data from the user side, the image data obtained by performing color separation within the range of the color information of the plate cylinder held by the user. An image data distribution system that creates and distributes the created image data including color information. 3. The image data distribution system according to claim 1, wherein the stencil printing apparatus detects color information included in image data distributed from the distribution center. An image data distribution system comprising: 4. The image data distribution system according to claim 1, wherein the distribution center and the stencil printer are connected via a network line, and the distribution of the image data is performed via the network line. An image data distribution system characterized by being performed.