JPH01285977A - Copying device - Google Patents

Abstract

PURPOSE:To prevent forgery by detecting that originals such as bank notes and securities, whose copying is prohibited are to be copied, when someone tries to do that and controlling copying output. CONSTITUTION:When copying operation is indicated by an operator with a keyboard 1, an image reading means 6 is driven by a CPU 1 and an original image is read. The same operation is repeated four times by switching color filters and read images are developed every color in an image memory 7 on a color basis. Then a bank note detecting means 9 is operated and whether or not image data in the image memory 7 shows bank notes or securities is inspected. If the original to be copied is bank notes or securities, it is detected and the copying output is controlled. Hereby forgery can be prevented effectively by controlling the copying operation so that multicolored recording is not performed, and the copy is not outputted.

Description

Detailed Description of the Invention [Industrial Application Field] The present invention relates to a copying device that reads an image on a document and copies it onto a recording medium-1, and is particularly applicable to a color copying device capable of color copying of a document image. It is suitable for this purpose.

[Prior Art] Conventionally, a copying apparatus faithfully performs a copying operation by reading an image on a document placed on a document table or the like in response to instructions from an operator.

On the other hand, recent advances in copying technology, combined with color image recording technology, have made it possible to output copied images that closely resemble original images.

[Problems to be Solved by the Invention] Therefore, with conventional copying devices, it is possible to place items that should be prohibited from being reproduced, such as money or securities, on the original device stand by abusing the device or by "mischief." Even if you set the machine to make copies, it will copy according to the operator's instructions.
There is a risk that people will easily talk about counterfeiting and cause major social problems.

SUMMARY OF THE INVENTION An object of the present invention is to provide a copying apparatus that prevents forgery by controlling the copy output even when attempting to copy money or securities.

[Means for Solving the Problem] To this end, the present invention provides a determining means for determining whether a manuscript to be copied is prohibited from being reproduced, and controlling copy output based on the output of the determining means. ff, IJ control means.

[For Use] According to the present invention, when the original to be copied is money, securities, etc., this fact is detected and the copy output is controlled. That is, if the copying operation is controlled so that multicolor recording is not performed or the output is controlled so that no output is performed, counterfeiting can be effectively prevented.

υSee the drawing below i1. Ij and the present invention, 1'r sho 1
Explain.

FIG. 1 shows the first embodiment of the copying apparatus according to the invention! One example is childish.

Here, 1 is a central processing unit (CPU) in the form of a microcomputer, and 2 is a CPU shown in FIG. 4 and described later.
ltOM stores operating programs, etc., 3 is CP
This is a RAM used for registers and other work in the old control system. Reference numeral 4 denotes a keyboard, which has a group of known manual keys such as a command key for starting copying and a key for setting the number of copies. Reference numeral 5 denotes a keyboard interface circuit for connecting the keyboard 4 and the system bus IO.

6 is an image reading means for reading the image on the set document; 7 is an image memory for storing the read image data;
8 is an image output means for outputting the stored image data.

Reference numeral 9 denotes a currency detection means for detecting whether or not image data of objects whose reproduction is prohibited such as money or securities exists in the image memory; 11 an image data bus for transferring image data at high speed between each section 6 to 9; be.

FIG. 2 shows an example of the configuration of the image reading means.

Here, 61 is an original illumination lamp that illuminates the original surface; 62
63 is a zoom lens that forms an image of the original onto a CCD as a reading element, and 63 is a CCD that converts the image into an electric No. 19 image.
, 64 is a document stand made of a transparent plate, and f15.66 and 67 are mirrors.

In FIG. 2, an original illumination lamp 61 and a mirror 65 scan an original 69 placed on an original platen 64 with the side to be read facing downward, and
The light is guided to the zoom lens 62 through a group of mirrors, and the CC
It is imaged on D83 and converted into electrical No. 13.

FIG. 3 shows an example of the configuration of the image output means 8.

Here, 81Y, 81M, 81C, and 81 are a primary charger for yellow, a primary charger for magenta, a primary charger for cyan, and a primary charger for black, respectively. Note that the subscripts Y, M, C, and K in the figures indicate that the members having the numerals attached thereto are for yellow, magenta, cyan, and black, respectively.

82 corresponds to the image data' (flashing eyes D7, 8
3 is a developer for the corresponding color (Tree, etc.); a developer for making one stone; 84 is a transfer charger; 115 is a cleaner; 8
6 is a photosensitive tram.

87 stores the recording medium (hereinafter referred to as copy paper) 811 stored in the paper feed cassette 811 one sheet at a time.
(Pickup rollers for taking out copies, 812 to 815 are conveyor rollers installed in the conveyance path of the copy paper, 816 is a conveyance bell for discharging the recorded copy paper), 88 is a conveyor roller installed near the discharge roller. The removed fixing roller 8g is a 4J1 paper tray for stacking the ejected multiple η' sheets.

FIG. 4 shows an example of a control procedure according to this embodiment, and the operation of the above configuration will be explained using this figure.

First, when the power switch (not shown) is turned on, C1
10I executes a predetermined initial setting routine (step 51), and after the fixing roller 88 reaches a predetermined temperature, it enters a state of waiting for manual input from keyboard 1 to command 4 (step S3).
.

When the operator instructs the copying operation using the keyboard 1,
cp old drives the image reading means 6 to read the original image (step 55). This image reading is performed four times by changing the color filter, and each color (yellow, magenta, cyan,
Black) @ is developed in the image memory 7.

Next, the money detection means 9 is activated to check whether the image data of the image data 7'' is money or securities (step S7). In this embodiment, for example, the original table 64
If there is an address correspondence between the above readable area and the storage area on the image memory 7, the image memory 7
The inspection can be performed by recognizing the size of the document based on the size of the data development area in ``-'' and comparing the result with the size of currency or the like stored in the ROM 2 or the like in advance. In addition, the color spectrum distribution of the original is registered in advance.
This can also be done by comparing the data with the same data.

Then, if the size corresponds to the size of money, etc., the money detection means outputs "1'', and if it does not correspond, outputs lJ" o ". If this output is °°0゛°, the CPIII outputs the image output means. 8, the image in the image memory 71 is output as a color image (step 511), and in the case of - or bi, image output is prohibited (step 513).

In the image output process (step 5ll), image formation is performed based on a known electrostatic process. Photosensitive tram 8
6 as primary -! l! After being charged by the electric device 81, the 14[0 array 82 is blinked in synchronization with the rotation of the photosensitive drum 86 in accordance with the image data to form an electrostatic latent image.

This electrostatic latent image is developed by a developer (toner aq) in a developing device 83, and is developed by a pickup roller 87 in a transfer charger 84.
The image is transferred onto the fed copy paper 87. To output a color image, use the above process to output yellow, magenta, cyan,
This is achieved by performing this for each color of black. After the development of a predetermined color is completed, the copy sheet 810 is conveyed to a conveyor belt 1-81 and fixed rollers, where it is thermally fixed and outputted to a sheet discharge tray 89.

Conversely, in the process of step SL3, the old CP does not activate the image output means 8, and therefore copying is prohibited and no output is made. That is, if the document is currency or the like, image output is prohibited. Also, related to this process,
It is also possible to display a predetermined error message or issue an audio warning.

In order to finally prohibit the image output of currency, etc., in addition to prohibiting the operation of the image output means 8 as described above, it is also possible to do this before that. for example,
The document surface is scanned four times for each color, but if the document size becomes clear during the scanning process, image output may be prohibited by prohibiting further reading at that point.

Further, it is also possible to configure the image outputting means 8 to be configured to be prohibited from outputting after the copying operation.

FIG. 5 shows such an embodiment. In this embodiment, the copy paper on which the image has been formed is not outputted to the outside of the apparatus, but is cut internally, etc. It was designed to be disposed of.

FIG. 5 shows a schematic configuration of the main parts of this embodiment, and in this embodiment, regardless of the type of document, the process proceeds up to image transfer to copy paper in the embodiment shown in FIG. Then, when the output of the image detection means 9 is 0°, the conveyor belt 1-1t! Ii is set at the position indicated by the solid line in FIG.
9 is output.

On the other hand, if the output of the image detecting means is B, that is, if the original is currency or the like, the conveyor bell l-816 is set at the position indicated by the broken line in FIG. Then, the copy paper 8 that was sent
10 is sent to a cutting machine 101 through a guide 100, where it is cut into pieces and discarded, making it impossible to obtain a copy output.

In each of the above embodiments, as means for controlling copy output,
Although the operation of the image output means 8 is prohibited or the ejection is prohibited, it is also possible to control the operation of the image output means 8 itself to make copies such as coins unusable. good.

FIG. 6 shows an example of a control procedure according to such an embodiment.

In this example, steps 523 and 525 are provided in place of step S13 in FIG.

That is, when the money detection means 9 detects money or securities and outputs "1", the CPIII detects the yellow, magenta, cyan and black images on the image memory 7 if the output is "1". The logical sum of each image is calculated and the result is a black image (step 523
). Next, the image output means 8 outputs it as a monochrome (single color) image (step 525).

By outputting a monochrome image in this way,
For an operator who wishes to commit a forgery, it becomes impossible to do so simply by using the copying device.

In this embodiment, it is assumed that a black copy is made as a monochrome image output, or it is also possible to use an instant color copy of yellow, magenta, and cyan. From the point of view, at least a full-color faithful copy is rt.

It is possible to control the image output means 8 in any manner as long as it prevents the image from being distorted. Furthermore, even if a coin or the like is detected before reaching the end of the above-mentioned reading scan, even if it is controlled to make a copy using the contents stored in memory 7 up to that point, full-color vision will not be achieved, so it will be equally effective. It is.

In each of the embodiments described above, the detection of whether the document is currency or not is performed based on the document size, but such detection may be performed using any form of means. Of course.

For example, a device may be provided that reads the magnetic pattern of part or all of the currency used in a vending machine or the like, and the pattern may be stored in advance and compared with a certain pattern. In this case, a configuration in which a document cover provided on the document table 64 and covering the document 69 is provided with a magnetic head;
Alternatively, if the copying apparatus is equipped with an automatic document transport device (eight DF) or the like, a magnetic head may be provided on the transport path.

It is also possible to read the image pattern of a part or the whole of the currency and compare it with a pre-stored pattern. For this reading, if the apparatus is in the form of a digital copying machine as described above, the reading operation by the image reading means 6 may be used as is, or if it is not, a reading head may be provided on the conveyance path of the document cover or ADF, etc. Just leave it there. Alternatively, an illumination means may be provided on the document cover to read the watermark pattern and perform the comparison.

Furthermore, it goes without saying that the present invention can be applied regardless of the form of the image output means 8. For example, although an LED array is used to form an electrostatic latent image on the upper photosensitive drum, a laser beam or other method may also be used. The method is not limited to this, and various methods may be used.

[Effects of the Invention] As explained above, according to the present invention, when an attempt is made to copy something that is prohibited from being copied, such as money or securities, this is detected and the copy output is controlled. Since the desired faithful copying is not performed, there is an effect that forgery can be prevented.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a copying apparatus 1t according to a first embodiment of the present invention, FIG. 2 is a schematic side view showing an example of the configuration of the image reading means in FIG. 1, and FIG. 3 is a schematic side view of an image outputting means. FIG. 4 is a flowchart showing an example of a control procedure according to this embodiment; FIG. 5 is a schematic diagram of the main parts of a second embodiment of means for inhibiting copy output; FIG. FIG. 6 is a flowchart 1 showing an example of a control procedure according to the third embodiment of the present invention. 1...Cl1ll. 2...ROM. 3...Go to II8 1 4...Keyboard, 5...Keyboard interface, 6...Image reading means, 7...Image memory, 8...Image output means, 9...Money detection means , 1Q, lI...bus, 61...document illumination lamp, 63...CC port, 64...document stand, 6g...document, 81...primary charger, 82... 1. ED array, 83... Developing device, 86... Photosensitive tram, 88... Fixing roller, 101... Cutting machine, 810... Copy paper, 818... Conveyance heald.

Claims (1)

[Claims] 1) A copying apparatus comprising: a determining means for determining whether or not a document to be copied is prohibited from being reproduced; and a controlling means for controlling copy output based on the output of the determining means. .