WO2006040832A1 - ドットパターンを印刷形成した媒体面の印刷構造、印刷方法、およびその読取方法 - Google Patents
ドットパターンを印刷形成した媒体面の印刷構造、印刷方法、およびその読取方法 Download PDFInfo
- Publication number
- WO2006040832A1 WO2006040832A1 PCT/JP2004/015286 JP2004015286W WO2006040832A1 WO 2006040832 A1 WO2006040832 A1 WO 2006040832A1 JP 2004015286 W JP2004015286 W JP 2004015286W WO 2006040832 A1 WO2006040832 A1 WO 2006040832A1
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- WIPO (PCT)
- Prior art keywords
- dot pattern
- dot
- printing
- medium surface
- color
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/46—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography characterised by the light-to-heat converting means; characterised by the heat or radiation filtering or absorbing means or layers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
- B41M3/144—Security printing using fluorescent, luminescent or iridescent effects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/29—Securities; Bank notes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
Definitions
- the present invention relates to a technique that is effective when applied to a dot pattern reading system that reads a medium surface on which a dot pattern is printed and outputs data corresponding to the dot pattern.
- dot patterns can be arranged with high density on paper as the dot pattern printing technology becomes more accurate.
- Patent Document 1 As a patent document proposed for such a dot pattern reading system, there is a special table 2003-528387 (Patent Document 1) filed by Anoto Aktieborak. Further, as the prior art of the dot pattern used in the present invention, there are PCTZJP03 Z03162 (referred to as GRID-1 for convenience) and PCTZJP03Z16763 (referred to as GRID-2 for convenience) by the present applicant.
- Patent Document 1 Special Table 2003—528387
- the dot pattern is picked up as an image using an optical reading means, and the dot pattern is recognized from the image. Therefore, there is a possibility that the dot pattern can be seen by gazing at the medium surface.
- the dot pattern When the dot pattern is in a visible state, there is a problem that the information that the dot pattern means is easy to analyze and lacks confidentiality. [0008] Further, since the dot pattern is visibly present on the medium surface, there is a problem that the aesthetic appearance of the medium surface is impaired.
- the present invention has been made in view of such circumstances, and is a so-called stealth dot pattern in which the presence of a dot pattern on a medium surface cannot be visually recognized only by slightly improving an existing printing technique. It is a technical subject to realize this simply and inexpensively.
- Claim 1 of the present invention is directed to recognizing the dot pattern by irradiating the medium surface provided with the dot pattern with infrared light or ultraviolet light and reading the reflected light with an optical reading means.
- a dot surface reading medium used in a dot pattern reading system that converts characters into corresponding data and outputs characters, sounds, images, etc., and the dots constituting the dot pattern are in the infrared or ultraviolet wavelength region.
- the print structure of the medium surface is provided on the medium surface by a printing process using ink of any color that reacts in the above.
- the ink that reacts in the infrared or ultraviolet wavelength region can be exemplified by an ink having a characteristic that reacts with light in the infrared or ultraviolet wavelength region, and more specifically, An example is carbon ink. Does not react in the infrared or ultraviolet wavelength region!
- inks non-reactive inks
- the ink surface absorbs (reacts) light in the infrared or ultraviolet wavelength region and does not generate reflected light on the printing surface.
- the ink that reacts in the infrared wavelength region or the ultraviolet wavelength region may be one that does not contain carbon in addition to the carbon ink.
- stealth ink may be used as an ink that does not contain carbon and has a characteristic of absorbing (reacting) infrared rays with a molecular structure
- dry rich ink (trade name) may be used as a product name.
- Claim 2 of the present invention recognizes the dot pattern by irradiating the surface of the medium provided with the dot pattern with infrared light or ultraviolet light and reading the reflected light with an optical reading means.
- a dot surface reading medium used in a dot pattern reading system that converts characters into corresponding data and outputs characters, sounds, images, etc., and the dots constituting the dot pattern are in the infrared or ultraviolet wavelength region.
- the printing structure on the medium surface is provided on the medium surface by a printing process with a color similar to the color of the medium surface using the ink that reacts in the above.
- the dot By making the dot a color similar to the color of the medium surface (paper surface), the presence of the dot is not visually recognized, and the dot pattern is read by the reflected infrared light irradiated on the medium surface. Recognize dot portions printed with ink that reacts in the infrared or ultraviolet wavelength region.
- Claim 3 of the present invention corresponds to this by irradiating the surface of the medium provided with the dot pattern with infrared light and reading the reflected light with an optical reading means to recognize the dot pattern.
- a medium surface on which a dot pattern is formed which is used in a dot pattern reading system that converts data into data and outputs characters, sounds, images, etc.
- the dots constituting the dot pattern are formed by printing on the medium surface using ink that reacts in the infrared region, and the upper layer of the dot is usually an opaque ink of the same color as the medium surface or an arbitrary color. It is the printing structure of the medium surface in which the printing layer is formed.
- the normal printing layer is formed with the opaque ink of the same color as the color of the medium surface or an arbitrary color on the upper layer of the dot pattern printed with the ink that reacts in the infrared or ultraviolet wavelength region,
- the lower layer dot pattern is not visible.
- the infrared wavelength is longer than that of the normal printing layer, it reaches the dot pattern, and the dot pattern in the lower layer can be optically recognized by the reflected light.
- Claim 4 of the present invention is used in a dot pattern reading system that reads a dot pattern formed on a medium surface with an optical reading means, converts it into corresponding data, and outputs characters, sounds, images, and the like.
- the dot pattern is printed by concentrically superimposing ink that absorbs (reacts) with one or more colors that match or approximate the image color of the dot position.
- the dot smell Therefore, the diameter of the color with the highest gradation (the highest gradation color) is made to match the diameter of the dot read by the optical reading means, and the diameter of each color is determined by the halftone dot amount of the desired gradation color.
- This is a dot pattern printing method determined by dividing and obtaining the square root value and multiplying the square root value by the diameter of the highest gradation color.
- dots are superimposed and printed concentrically to form an approximate color of the surrounding color, so that the dot is difficult to see due to the surrounding color. Becomes difficult.
- Claim 5 of the present invention calculates the C'M'Y value of the original image, respectively, and at least a part of the achromatic gradation region in which each of the C'M'Y values is common. Excludes drawing print data and calculates the K component (black ink component) of the achromatic gradation area excluded in the above, and the dot pattern generated based on the pre-input information remains
- the achromatic color region is a printing method of a medium surface including a dot pattern printed on the medium surface using K ink (black color) that is optically distinguishable in the visible light region.
- a dot pattern can be recognized by performing color separation processing on an image read by the optical reading device, a complicated device configuration such as an infrared irradiation mechanism or an optical filter is not used.
- the dot pattern can be read using a digital camera function added to a general-purpose digital camera or mobile phone terminal.
- drawing data can be generated by excluding at least a part of the achromatic color gradation area (area close to the color of K ink (ink color)) that has a common CMY value at the time of printing. It is possible to prevent dot pattern reading errors due to ink (black color).
- Claim 6 of the present invention is used in a dot pattern reading system that reads a dot pattern formed on a medium surface with an optical reading means, converts it into corresponding data, and outputs characters, sounds, images, and the like.
- the sum of the R, G, and B values for each pixel of the scanned original image Search for the pixel with the minimum value, and use the R value, G value, and B value as the correction reference values, subtract the RGB value power of the other pixels, and subtract the correction reference value from the RGB value of each pixel after the subtraction.
- the gray scale is set to white (100%).
- the average value is set to gray scale.
- the gray level of the area oc is set. If the width is set small and the width of the area ⁇ is set large when the gray scale is low, the area between the dot pattern by the ink (black color) and the normal print area is changed to the visible light area. This is a reading method that enables optical identification.
- CMOS or the like which is an optical reading element, has some characteristics during reading. This is because when a color component is biased to one color and has a great influence, other colors are attracted to it, and variations in device manufacturing are also affected.For example, the entire read result is bluish. Often, the image will end up being powerful.
- dot pattern recognition is performed on such a characteristic image, especially in the case of color separation processing as described in claims 5 and 6, the K ink (black) dot is read for the blue component ⁇ It is often a reading error. Therefore, the method of claim 6 is a technique for performing correction at the time of reading.
- the pixel having the smallest RGB addition result is searched from the read image.
- the pixel that minimizes the RGB addition result is definitely a dot.
- the correction reference value is subtracted from the other pixels using the RGB value of each pixel with the smallest RGB addition result as the correction reference value.
- the image corrected by CMOS is restored to the state before correction.
- the minimum value of the RGB addition result is searched. This is nothing but searching for dots. And most of these dots find the area.
- Claim 7 of the present invention reads the dot pattern formed on the medium surface with an optical reading means readable in the visible light region, converts it into corresponding data, and outputs characters, sounds, images, etc.
- This is a printing method for a medium surface including a dot pattern used in a dot pattern reading system that excludes at least a part of the achromatic gradation region in which the C, M, and ⁇ values of the original image are common. Drawing print data, and calculating the wrinkle component (black ink component) of the achromatic color gradation area excluded in the above, and the dot pattern generated based on the pre-input information remains.
- An achromatic area is a medium containing a dot pattern in which information is defined by shifting individual dots that form the original halftone dots with a predetermined logic using ⁇ ink (black) that can be optically identified in the visible light range.
- ⁇ ink black
- the halftone dot obtained by the AM printing method is also used as the dot pattern dot, so that it is difficult to visually determine whether it is a halftone dot for printing.
- the color component is C, M, or Y
- it becomes an achromatic color gradation that is, a ⁇ component (ink component).
- Force that is extracted and used as a dot pattern that can also be used as a halftone dot The dot pattern can also be used as a halftone dot for any one color of C, M, and Y other than the above-mentioned wrinkle component (black ink component).
- Claim 8 of the present invention irradiates infrared light or ultraviolet light onto a medium surface provided with a dot pattern that is formed on the medium surface and responds in the infrared wavelength or ultraviolet wavelength region, and reflects the reflected light.
- a dot pattern that doubles as a halftone dot is formed with one of the colors C, M, Y, and ⁇ of the original image, and the one color selected above in the halftone dot is in the infrared wavelength or ultraviolet wavelength region.
- a dot pattern using a dot pattern using the AM printing method according to claim 7 is used to draw a dot using an ink that reacts in an infrared wavelength region or an ultraviolet wavelength region. Since the dot pattern is overprinted, dots can be placed regardless of the size of the halftone dots themselves. Therefore, since the CMY control for color separation described in claim 7 is unnecessary, the dot size is not affected by the dot size, so the dot size is always constant. Can be maintained, and dot reading errors can be prevented.
- the printed surface may not be dark! /.
- the color of the dot pattern that is also used as a halftone dot in the same document may use only one of the colors C, M, Y, and ⁇ , but it exists in the same document.
- the dot pattern may be superimposed and printed using the same color ink that reacts in the infrared wavelength region or the ultraviolet wavelength region corresponding to each color in halftone dots of different colors. For example, if there is a lot of C component in a certain area in the document, the halftone dot of C may also be used as a dot in that area, and if there is a lot of ⁇ component in another area, the halftone dot of D may be used as a dot in that area. .
- the black crow part is a dot with dots of the ⁇ component (ink component), and the yellow clothing
- the part of can be used as a dot with halftone dot of ⁇ component.
- Claim 9 of the present invention is that the dot pattern is formed by irradiating the dot pattern, characters, symbols, figures, etc. formed on the medium surface with infrared light and reading the reflected light with an optical reading means.
- Claim 10 of the present invention is a dot pattern reading system that reads a dot pattern formed on a medium surface by an optical reading means, converts it into corresponding data, and outputs characters, sounds, images, and the like.
- the FM screening dots for each color component are the same color as or similar to the color components of the original image (reactive ink that reacts in the infrared wavelength or ultraviolet wavelength region).
- the FM screening printing method in which dots of the same shape are randomly arranged, similar colors or approximate colors using ink that reacts in the infrared wavelength region or the ultraviolet wavelength region in the FM screening dots.
- the dot pattern is printed and formed. Since the dot pattern is similar or similar to the FM screening dot, it is difficult to identify the dot pattern by visual inspection. On the other hand, since the dot pattern is printed with ink that reacts in the infrared wavelength region or the ultraviolet wavelength region, it can be recognized by optical recognition means that emits infrared light.
- Claim 11 of the present invention is a dot pattern reading system in which a dot pattern formed on a medium surface is read by an optical reading means and converted into corresponding data to output characters, sounds, images, and the like.
- This is a printing method for the media surface including the dot pattern used in the above, and when generating FM screening dots in which the same color dots are randomly arranged, the printing area is divided by the number of dots to generate per dot.
- At least part of the achromatic color gradation area common to each of the C'M'Y pixels included in this area is excluded to generate drawing print data using FM screening dots, and the achromatic color scale excluded above
- the K component (black ink component) of the key area is calculated, and the dot pattern generated based on the previously input information is placed on the drawing print data using the K component (black ink component) pixels.
- Claim 12 of the present invention is an audio data input / playback method associated with a dot pattern on a medium surface using a mobile phone terminal having a photographing function and a voice input function, A step of inputting sound through a provided microphone, a step of photographing a medium surface on which a dot pattern is printed through a camera provided in a mobile phone terminal, and a dot code number obtained from a photographed image of the dot pattern. And generating the related information by associating the audio data with each other, storing the dot code number, the audio data, and the related information in storage means, and using the camera of the mobile phone terminal.
- the storage means is based on the dot code number obtained from the photographed image of the dot pattern.
- an input-reproduction method of the audio data associated with the dot patterns of the medium surface comprising a stearyl-up for reproducing audio data by reading the storage means force associated by the relevant information.
- the dot pattern is imaged by the shooting function (digital camera function) of the mobile phone terminal, and the voice data input by the voice input function (voice recorder function) is correlated. Thereafter, it is possible to reproduce the audio data associated with the image of the dot pattern on the medium surface.
- the dot pattern on the medium surface a dot pattern that can be analyzed by color separation described in claims 5, 6, 7, and 11 can be used.
- a thirteenth aspect of the present invention is the dot pattern on the medium surface according to the twelfth aspect, wherein the storage means is a memory of the mobile phone terminal or a flash memory detachably attached to the mobile phone terminal. This is an input / playback method for audio data associated with the.
- a memory provided in a mobile phone terminal or a detachable flash memory can be used as a storage means, a system can be constructed only with software without adding hardware. Further, when a detachable flash memory is used, it is possible to reproduce the same audio data when the dot pattern is read by another mobile phone terminal simply by replacing the flash memory.
- Claim 14 of the present invention is an input / playback method of audio data associated with a dot pattern on a medium surface using a mobile phone terminal having a photographing function and an audio input function, wherein the first mobile phone Inputting a voice through a microphone provided in the telephone terminal; photographing a medium surface on which a dot pattern is printed through a camera provided in the first mobile phone terminal; and obtaining a captured image power of the dot pattern. Storing the associated dot code number and the audio data in association with each other, generating the related information; storing the dot code number, the audio data, and the related information in the first mobile phone terminal; And storing the dot code number, the voice data and the related information from the storage means of the first mobile phone terminal.
- the image power of the dot pattern is also obtained based on the obtained dot code number.
- Searching related information in the storage means of the mobile phone terminal 2 and inputting the audio data associated with the dot pattern on the medium surface comprising the step of reading out and playing back the sound data associated with the related information. It is a playback method.
- the dot code number, the audio data, and the related information are transferred between the mobile phone terminals, so that the dot pattern is obtained using the imaging function between the plurality of mobile phone terminals.
- the same audio data can be reproduced when the image is taken.
- Claim 15 of the present invention is an audio data input / playback method using a photographic seal photographing device that prints a photographic sticker on which a dot pattern is printed, wherein A step of receiving a dot code number from a dot code number management sano to which the photo sticker photographing apparatus is connected via a network, and the photographed image and the dot code number with a predetermined logic.
- the printing device power of the photo sticker photographing device with the converted dot pattern printed and output as a photo sticker, and the voice data input by receiving the user's voice input through the microphone of the photo photographing device A step of registering with the voice management server via the network, and an association in which the voice data ID is associated with the dot code number.
- a method for inputting and reproducing audio data using a photo sticker device comprising the steps of downloading to the information processing terminal and reproducing.
- a dot pattern is printed on the photo sticker, and the dot pattern and the microphone power are also associated with each other to associate with the personal computer or mobile phone.
- the voice management server By registering with the voice management server via the terminal, when the dot pattern on the photo sticker was read with the camera-equipped cellular phone terminal or optical reader, it was connected to the camera-equipped cellular phone terminal or optical reader. It is possible to play back the voice input by the photographer when shooting the photo sticker with a personal computer.
- Claim 16 of the present invention is an audio data input / playback method using a photo sticker on which a dot pattern is printed, and downloads dot pattern image data including the dot pattern from Sano to the information processing terminal. Audio data input via the audio input means in the information processing terminal is stored in association with the dot pattern, and a photographic image photographed by the photographing means and the dot pattern image are synthesized in the information processing terminal.
- the printing means communicable with the information processing terminal prints the synthesized photographic image and the dot pattern image received from the information processing terminal on a sticker mount, and the information processing terminal or the information
- the processing terminal power is also sent to another information processing terminal that has received the voice data associated with the dot pattern, and the sealing table Photographing means force obtained by photographing the printed De Ttopatan even when receiving the captured image, the input voice data using a photo sticker for reproducing audio data associated with the dot pattern - a playback method.
- Examples of the information processing terminal include a personal computer, a PDA, and a mobile phone terminal.
- server power can also be used to download dot pattern image data to a personal computer.
- the microphone power sound data connected to the personal computer is input, the sound data is stored in the memory of the personal computer in association with the dot pattern image, and then photographed by photographing means such as a digital camera.
- the obtained photographic image is synthesized with the dot pattern image in a personal computer, and the synthesized photographic image is printed by printing means such as a printer connected to the personal computer.
- the voice data is transferred to another information processing terminal, that is, another personal computer or mobile phone terminal via a card communication means, and then transferred to the camera function or personal computer of the other mobile phone terminal.
- the mobile phone terminal or personal computer can read the dot pattern from the composite photo image and reproduce the audio data associated therewith.
- a dot pattern is placed on a frame image of a photo sticker, and the frame image can be downloaded and sold. Then, the management of these frame images and the registration of audio data may be performed by an application program downloaded to the mobile phone terminal with photographing function.
- Photo sticker means a sheet on which photo data is printed, but it may be used for a picture book, a photo album, or the like that prints characters or the like in addition to photo data.
- Claim 17 of the present invention is a printing apparatus in which a medium on which printing parameters relating to printing are provided as a dot pattern is read by an optical reading unit, and printing is controlled by the printing parameters.
- An optical reading unit for reading a dot pattern reading unit for reading a dot pattern from an image on a medium surface read by the optical reading unit, a conversion unit for converting the read dot pattern into a printing parameter, and a converted printing parameter.
- a printing control unit that controls printing based on the printing apparatus.
- This printing apparatus is a printer or a color copy, and when printing is performed using these, the dot pattern printed on the original document is read and converted into printing parameters corresponding to the dot pattern. By executing printing, it is possible to manage the number of times of duplication printing of the original document, the printing history, and the like.
- Claim 18 is a printing apparatus that optically reads an original document, generates print data corresponding to the read image, and prints the print data on a medium surface.
- a printing control means for printing a dot pattern in the area are provided.
- a dot pattern can be printed by reading a picture book or the like and specifying a free area of the picture in the picture book.
- Claim 19 of the present invention is that the dot pattern assigned to an arbitrary area is content such as sound, image, video, or a code related thereto, or confidential information of the document. 18.
- this printing apparatus it is possible to register content such as voice, image, and moving image as dot data directly as a dot pattern, or to set a code designating the address of these content as a dot pattern. Furthermore, confidential information can be managed by encrypting the dot pattern or registering a copy prohibition code or the like as the dot pattern.
- the present invention since it is difficult to visually recognize the dot pattern, it is possible to prevent analysis due to easy visual observation of the dot pattern, to improve security, and to improve the dot pattern. It also has the excellent effect of maintaining the aesthetics of the surface of the medium on which it is placed.
- GRID-1 was filed as inventor power PCTZJP03Z03162, and GR ID-2 was also filed as PCTZJP03 / 16763.
- FIG. 71 is an explanatory diagram showing an example of a dot pattern according to the present invention.
- FIG. 72 is an enlarged view showing an example of information dots of a dot pattern and bit display of data defined in the dot.
- FIG. 73 is an explanatory diagram showing information dots arranged around key dots.
- the information input / output method using the dot pattern of the present invention includes generation of a dot pattern 1, recognition of the dot pattern 1, and means for outputting information and a program from the dot pattern 1. That is, after the dot pattern 1 is captured as image data by a camera (an optical reader connected to a personal computer, a digital camera, or a camera function of a mobile phone terminal with a camera) as an image pickup means, First, the grid dot is extracted by the analysis program installed on the user or the camera-equipped mobile phone terminal, and then the key dot 2 is extracted based on the fact that the dot is not originally placed at the position where the grid dot is located. By extracting information dot 3, the information area is extracted and converted into a numerical code of information. It then outputs the audio data, other information, and programs associated with the code. In addition, the information dot 3 may be a coordinate value instead of a code, or may be a numerical value of speech data or other information itself.
- the key dot 2, the information dot 3, and the lattice dot 4 are arranged according to a predetermined rule by a dot code generation algorithm.
- the block of dot pattern 1 representing information has 5 ⁇ 5 grid dots 4 centered on key dot 2 and a center surrounded by 4 grid dots 4 Place information dot 3 around the virtual point.
- Arbitrary numerical information is defined in this block.
- the illustrated example of FIG. 71 shows a state in which four blocks of dot pattern 1 (inside the bold line frame) are arranged in parallel. Of course, however, dot pattern 1 is not limited to four blocks.
- One corresponding information and program can be registered in one block, or one corresponding information and program can be registered in a plurality of blocks.
- the lattice dot 4 corrects the distortion of the lens of the camera and the imaging of the oblique force, the expansion and contraction of the paper surface, the curvature of the medium surface, and the distortion during printing. be able to.
- grid dots 4 are arranged in dot pattern 1, image data obtained by capturing this dot pattern 1 with a camera corrects distortion caused by the camera, so a lens with a high distortion rate was attached. It can be accurately recognized when capturing image data of dot pattern 1 with a popular camera. Even if the camera is tilted and read with respect to the surface of the dot pattern 1, the dot pattern 1 can be accurately recognized.
- the key dot 2 is a dot in which one grid dot 4 at the approximate center position of the grid dots 4 arranged in a rectangular shape is shifted in a certain direction.
- This key dot may be arranged by shifting the grid dots at the four corners of the block in a certain direction (see Fig. 82).
- This key dot 2 is a representative point of dot pattern 1 for one block representing information dot 3.
- the grid dot 4 at the center of the dot pattern 1 block is shifted upward.
- the center position of the block is the representative point.
- this numerical value (number) is not limited to this, and can be changed according to the size of the block of the dot pattern 1.
- the key dot 2 is not limited to the force arranged at the center of the block, and may be arranged based on the grid points constituting the corners of the block.
- Information dot 3 is a dot for recognizing various information.
- This information dot 3 is arranged around the key dot 2 as a representative point, and the center surrounded by the four grid dots 4 is the virtual point, and this is the end point represented by a vector. It is arranged.
- the force expressing 3 bits arranged in 8 directions is not limited to this.
- the distance between the information dot 3 and the virtual point surrounded by the four grid dots 4 is preferably about 15-30% of the distance between the adjacent virtual points. This is because if the distance between the information dot 3 and the imaginary point is greater than the distance between the dots, the dots will be visually recognized as a large lump and will soon become unsightly as the dot pattern 1. On the other hand, if the distance between the information dot 3 and the virtual point is shorter than this distance, it is difficult to identify whether the information dot 3 has the vector direction around the adjacent virtual point. Because.
- the vector direction (rotation direction) of information dot 3 is set evenly every 30 ° to 90 °.
- FIG. 74 is an example of information dots and bit display of data defined therein, and shows another embodiment.
- the information dot 3 surrounded by the four grid dots 4 is preferably one dot in consideration of appearance. However, if you want to ignore the appearance and increase the amount of information, you can have a large amount of information by allocating 1 bit for each vector and expressing information dot 3 with multiple dots.
- the vector of concentric eight directions, an information dot 3 surrounded by four points lattice dots 4 can represent information of 2 8, and 16 pieces of information dots of one block 2 128.
- Figure 75 is an example of information dot and bit display of the data defined there.
- (A) has 2 dots, (b) has 4 dots and (c) has 5 dots. It shows things.
- FIG. 76 shows a modification of the dot pattern, where (a) is a six information dot arrangement type, (b) is a nine information dot arrangement type, (c) is a 12 information dot arrangement type, (D) is a schematic diagram of a 36 information dot arrangement type.
- FIG. 71 and FIG. 73 show an example in which 16 (4 ⁇ 4) information dots 3 are arranged in one block.
- the information dots 3 are not limited to 16 pieces arranged in one block, and can be variously changed.
- six information dots 3 (2 X 3) are arranged in one block (a), and nine information dots 3 in one block.
- 36 information dots 3 arranged in 1 block (6 X 6) There is a thing (d).
- FIGS. 77 (a) and 77 (b) are explanatory diagrams showing a state in which information dots II to 116 are juxtaposed in order to explain a method for checking information dot errors.
- FIG. 77 (b) is an explanatory diagram showing a state in which information dots II to 116 are juxtaposed in order to explain a method for checking an error of information dots in units of sub-blocks.
- the information dots 3 of the dot pattern 1 are printed on the medium surface such as printed matter. 100% of the error regarding whether or not information dots 3 that are adjacent to each other and have different data due to misalignment of printing, expansion / contraction of the media surface, and displacement when pixelated are input to the position where they are placed. Can be checked.
- FIG. 78 is an explanatory diagram of a method of checking information dot errors by assigning “0” to the lower bits.
- Information dot 3 can be used for error checking by assigning “0” or “1” to its lower bits.
- the information dot 3 is displayed at an appropriate position to the position where the information dot having another data adjacent to the virtual point is centered. It can be determined. For example, if the direction of key dot 2 is defined as the upward direction and the data defined in information dot 3 in that direction is set to “0”, information dot 3 is placed in any of the eight directions and used for error checking. Therefore, “0” is assigned to the lower bits. That is, the information dot 3 with “0” assigned to the lower bits is always positioned vertically or horizontally with the virtual point as the center. Therefore, when the information dot 3 is positioned in the tilt direction, it is displayed at an appropriate position, so that it can be determined.
- FIG. 79 is an explanatory diagram of a method of checking information dot errors by assigning “1” to the lower bits.
- the information dot 3 is arranged in any of the eight directions and the lower bits are It is also possible to check the error of information dot 3 by assigning “1”. In other words, information dot 3 with “1” assigned to the lower bits is always positioned in the tilt direction with the virtual point as the center. Therefore, when this information dot 3 is positioned vertically or horizontally, it can be determined that the information dot 3 is displayed at an appropriate position.
- FIG. 80 is an explanatory diagram of a method of checking information dot errors by alternately assigning “0” and “1” to the lower bits.
- one information dot 3 is arranged uniformly, and the error of this information dot 3 is checked by alternately assigning "0" and "1" to the lower bits for use in error checking. It is also possible. In this error check method, 45 degrees tilted vertically and horizontally Information dots are generated alternately in the direction, and the regularity of the dot pattern can be eliminated. In other words, the information dot 3 in which “0” and “1” are alternately assigned to the low-order bits is always positioned in the vertical, horizontal, or 45 ° tilt direction around the virtual point.
- this information dot 3 when this information dot 3 is positioned in a direction other than up / down, left / right, or a 45 ° tilt direction, it is displayed at an appropriate position, and it is determined that it is! In this way, it is possible to reliably check an error in which the information dot 3 is input while being shifted in the rotation direction around the virtual point.
- the lower 1 bit of the 4 bits is set to "0" or "1" to be close. If it is shifted to the dot position of 3 points (concentric circle ⁇ 45 degree rotation position 2 points + long or short force 1 point), it can be regarded as an error, and the error can be checked 100%.
- FIG. 81 is an explanatory diagram showing a state in which information dots II to 116 are arranged in parallel in order to explain information dot security.
- a plurality of information dots 3 are arranged in one row with the key dot 2 as a representative point, and one row of parentheses is arranged in a plurality of rows.
- each information dot 3 can be arranged so that the dot pattern 1 of each block has no regularity.
- the information dots 3 are randomly arranged, the pattern disappears, and the dot pattern can be made inconspicuous.
- FIG. 82 is an explanatory view showing another arrangement example of the dot pattern in which the arrangement position of the key dots is changed.
- the key dot 2 is not necessarily arranged at the center of the block of the grid dots 4 arranged in a rectangular shape. For example, as described above, it can be arranged at the corner of the block of lattice dots 4. At this time, the information dot 3 is arranged in parallel starting from the key dot 2. It is preferable.
- lattice lines (yl—y7, xl—x5) are assumed at predetermined intervals in the xy direction.
- the intersection of the grid lines is called a grid point.
- the information block unit of 16 blocks is merely an example, and it is needless to say that an information block can be configured with an arbitrary number of blocks.
- corner dots (xlyl, xly5, x5yl, x5y5) (dots surrounded by a circle in the figure). These four corner dots are matched with the lattice points.
- the information block can be recognized by finding the four corner dots that coincide with the lattice points. However, if only this corner dot is used, the information block can be recognized, but the direction is not known. For example, if the direction of the information block cannot be recognized, even if the same information block is rotated by ⁇ 90 degrees or 180 degrees, it becomes completely different information.
- vector dots are arranged at grid points in the rectangular area of the information block or in the adjacent rectangular area.
- a dot (x0y3) surrounded by a triangle is a key dot (vector dot) placed at the first grid point vertically above the midpoint of the grid line that forms the upper side of the information block.
- the key dot of the lower information block is arranged at the first grid point (x4y3) vertically above the midpoint of the grid line constituting the lower side in the information block.
- every other information dot is arranged at a position where the lattice point force is also shifted in the x and y directions.
- the diameter of the information dot is preferably more than 0.03-0.05 mm, and the amount of shift of the grid point force is preferably about 15-25% of the distance between the grids.
- This deviation amount is only an example, and thus may not necessarily be within this range, but generally when the deviation amount is larger than 25%, the dot pattern tends to appear as a pattern when visually observed, and there is a tendency. .
- the grid point force shift method is an up-down (y-direction) shift and a left-right (X-direction) shift, which eliminates the uneven distribution of dot arrangements on the paper. Moire and patterns are no longer visible, and the appearance of printed paper can be maintained.
- the grid lines may not be accurate straight lines. Because it is easy, it can be said that it is an algorithm that is strong against deformation of the paper surface and displacement and distortion of the reading optical system.
- FIG. 85 explains the meaning of the information dots.
- + indicates grid points and ⁇ indicates dots (information dots). 0 when the information dot is arranged in the y direction with respect to the grid point, 1 when the information dot is arranged in the + y direction, 0 when the information dot is arranged in the X direction with respect to the grid point, + Set to 1 when information dots are arranged in the x direction.
- information dot (1) is shifted in the + x direction from the grid point (x2yl), it means “1”. Yes.
- information dot (2) (the number with a circle in the figure) is shifted in the + y direction from the grid point (x3y 1), so it means “1”!
- the information dot (3) (circled number in the figure) is shifted in the X direction from the grid point (x4yl), so it is "0”, and the information dot (4) (circled number in the figure) is "0", information The dot (5) means “0”.
- information dot (1) 1 (17) has the following values.
- the above information bits are further calculated using an information acquisition algorithm based on the difference method described below, but this information dot is output as an information bit as it is. May be.
- the true value may be calculated by computing the value of the security table described later on this information bit.
- numbers surrounded by 0 are numbers surrounded by circles (circled numbers) in the figure, and numbers surrounded by [] are numbers surrounded by squares in the figure. Means ing.
- each 14-bit value in the information block is represented by the difference between adjacent information dots.
- the information dot (5) means “1” and the information dot (1) means “0”, so the first bit [1] means 1 0, that is, “1”.
- the first bit and the third bit are as follows.
- the value is an absolute value.
- the fourth bit [4] is obtained from the difference between the information dot (8) and the information dot (5) located immediately below the vector dot. Therefore, the 4th bit [4] and the 6th bit [6] take the difference from the value of the information dot at the position of 1 grid in the + x direction and 1 grid in the + y direction.
- the seventh bit [7] to the ninth bit [9] can be obtained by the following formula.
- the 13th bit [13] and the 14th bit [14] take the difference between the information dot (8) and the information dot at the position of 1 and 1 grid in the X direction, respectively, as follows: Ask for.
- the first bit [1] and the first 14 bits [14] may be used as the read data as they are, but to ensure security, a security table corresponding to the 14 bits is provided, A key parameter corresponding to each bit may be defined, and a true value may be obtained by adding or multiplying the key parameter to the read data.
- the security table storing such key parameters can be registered in the ROM in the optical reader.
- the first bit [1] and the third bit [3] are expressed by the following differential equation.
- the initial value of dot (1) -one (3) is an arbitrary random number (0 or 1).
- the dots (4) and (11) can be obtained by subtracting the information bit [13] and adding the information bit [14] based on the dot (8) calculated above.
- the arrangement of dots on the grid line yn is determined based on the dot arrangement on the grid line y (n ⁇ 1), and the entire information dots are sequentially repeated. Is determined.
- carbon ink that absorbs infrared wavelengths is used as a representative example of ink (reactive ink) that absorbs infrared rays and ultraviolet wavelengths in a region where an optical image sensor such as a CMOS sensor reacts.
- the power described in the above may be ink having these characteristics even if it does not contain carbon.
- a molecular structure that does not contain carbon As an ink having the characteristic of absorbing external lines, it is almost transparent, and an ink (stealth ink) can be used. In this way, it is close to transparency, so it is possible to make dots visible by using stealth ink.
- Fig. 1 shows a case where dots are printed with carbon ink of the same color as the paper color, and normal printing is performed thereon using four-color (YMCK) non-carbon ink.
- YMCK four-color
- the paper color when the paper color is pure white or blue that is almost white, it may be gray (K: black) with the carbon content suppressed to about several percent. Or if you print a dot in cyan (C), the area normally printed on it can make the dot visible. Of course, if a stealth ink (trade name) that does not contain carbon and reacts in the infrared wavelength region is used, visual identification becomes almost impossible.
- the carbon content in the ink is preferably about 10%, but it is possible to make the infrared optical reader recognize even a carbon content of several percent by improving the imaging performance of the element. It is.
- the dots are printed on the paper surface (medium surface), and the opaque ink is further superimposed on the dots so that the dots cannot be recognized visually. Is.
- the opaque ink means an ink that does not transmit visible light. That is, by allowing infrared rays having a long wavelength to pass and not allowing visible light having a short wavelength to pass, a dot pattern that cannot be visually recognized and reacts with infrared rays can be realized.
- the dot printed thereunder cannot be visually recognized, but the infrared ray Passes through the opaque non-carbon ink layer and is absorbed by the dot portion of the carbon ink, so that the dot partial force infrared light is not reflected, so that the dot is reliably recognized by the infrared optical reader.
- the force was an example in which only the area where dots were printed with carbon ink on the paper surface was printed using opaque ink.
- Fig. 3 first, dots were printed with carbon ink. After that (Fig. 3 (a)), you can print the entire surface of the paper with opaque non-carbon ink! /, (Fig. 3 (b)).
- the entire surface printing with the opaque non-carbon ink may be any color.
- the color of the carbon ink used to print the dots does not have to be black (K). That is, as described above, when the carbon is contained in a few percent, the infrared absorption effect can be expected regardless of the color.
- the color of the upper layer opaque non-carbon ink that prints the entire surface of the paper is determined in advance, and the dots to be printed on the lower layer are obtained by using carbon ink having a color similar to the color of the entire surface printing. Can be concealed more reliably.
- the dots are printed with the same color of carbon ink as the four background colors (the number of colors is arbitrary), and the dots are mixed with the surrounding colors to make it easier to conceal them. .
- Fig. 4 (a) shows a normal one-color dot
- Fig. 4 (b) consists of four-color concentric regions. The dot is shown.
- This specific example is a technique for printing dots with high concealment on the premise of halftone dot printing by the AM printing method.
- Fig. 15 (b) shows an example in which dots are printed with four colors of carbon ink.
- the dots of each color (4 colors) are printed concentrically, and Y (yellow) from the bottom.
- the diameter ⁇ of each color is calculated by the following formula.
- the halftone dot amount is 70%, the halftone dot amount is 50%, the halftone dot amount of C is 30%, and the halftone dot amount is 20%, the diameter of each color is as follows: (See Fig. 5 (a)).
- the dot pattern is not expressed only by the carbon ink wrinkles, which makes it easy to conceal the dots. It is possible to prevent color dullness caused by the presence of carbon ink wrinkles.
- Fig. 6 and Fig. 7 show the principle of the technology that extracts only dots by color separation processing.
- black (K) is not used for normal printing, but only CMY ink is used to represent line V and only the dots that make up the dot pattern are represented with black (K). It shows the method.
- the ink used for normal printing and dot printing may be any ink as long as it is an optically recognizable ink in the visible light region.
- a color image obtained by imaging the paper surface (medium surface) printed in this manner with an imaging means using a CMOS imaging device, a CCD imaging device, or the like in an optical reading device is input to an RGB frame buffer to obtain a color. Perform disassembly.
- Figure 6 (a) shows the component ratio of each RGB color.
- CMOS or the like which is an optical reading element has some characteristics at the time of reading. This is because when a color component is biased to one color and has a great influence, other colors are attracted to it, and variations in device manufacturing are also affected.For example, the entire read result is bluish. In many cases, the image becomes more powerful (see Fig. 6 (a)).
- K ink (black) dots are often read as black because of the blue component, and reading errors often occur. Therefore, corrections are made when reading.
- the pixel having the minimum RGB addition result is searched from the read image.
- the pixel that minimizes the RGB addition result is definitely a dot.
- each RGB value of the pixel with the smallest RGB addition result is used as a correction reference value, and this correction reference value is subtracted from the other pixels (Fig. 6 (b)-(c)). Then, the image corrected by CMOS is restored to the state before correction.
- RGB minimum area extraction may be performed by sampling a plurality of pixels and calculating a correction reference value.
- This specific example does not require special infrared irradiation function or filter function, so it recognizes dots from images captured by existing digital cameras, digital camera functions added to mobile phone terminals, web cameras, etc. It is also possible to make it.
- ⁇ — lZ lOx + ⁇ .
- Gray scale 100% (white) between the maximum and minimum gradations.
- Image processing is executed based on the gray scale, and binarization is performed to determine a dot.
- correction coefficient is set to 10
- other numerical values may be used, and the equation for calculating ⁇ may be defined in accordance with the characteristics of the CMOS.
- the dots of the dot pattern are also used as black dots for printing.
- Fig. 10 shows the case where the dot is a dot pattern in the AM printing method, the pattern arrangement logic is GRID-1, and the left figure is the original images of C, M, and Y.
- the figure on the right is an enlarged view of the printed surface that extracts part of the K component (black ink component) from C, M, and Y and uses the dot pattern as halftone dots.
- wrinkles as dots are printed with carbon ink. Since only the K component (black component) corresponding to the dot amount of dots is extracted from the original images C, M, and Y, C, M, and Y in the right figure have the K component (black component).
- Figure 7 illustrates this principle. In other words, in the figure, the minimum halftone dot amount that can be read as a dot is extracted from the common color components CMY around the dot, and the dot is placed using that as the ⁇ component.
- Fig. 11 shows the case where the halftone dot is a dot pattern dot in the AM printing method, the pattern arrangement logic is GRID-1, and the left figure is the original image of C, M, Y.
- the figure on the right is an enlarged view of the printed surface where all K components (black ink components) are extracted from C, M, and Y, and the dot pattern is also used as a halftone dot.
- the wrinkles as dots are printed with carbon ink or non-carbon ink, and it is assumed that the dots are recognized by the color separation method described in the specific example (4).
- Figure 12 shows the case where the halftone dot is a dot pattern dot in the AM printing method, the pattern arrangement logic is GRID-1, and the left figure is the original images of C, M, and Y.
- the figure on the right is an enlarged view of the printed surface, where K components (black ink components) that are ideal for image printing are extracted from the original images C, M, and Y, and the dot pattern is combined with halftone dots of Kl and K2.
- K1 is printed with non-carbon ink
- K2 is printed with carbon ink.
- K1 is a halftone dot that also serves as a dot pattern
- K2 is overprinted with the minimum halftone dot amount that can be read as a dot in this K1 area. Therefore, the dot by K2 can be a recognition dot with a degree of freedom as long as it is smaller than K1.
- Fig. 13 shows the pattern when the halftone dot is a dot pattern dot in the AM printing method.
- the left figure is the original image of C, M, and Y
- the right figure is a dot pattern by extracting part of the K component (black ink component) from C, M, and Y. It is an enlarged view of the printed surface also used as halftone dots. In the figure, wrinkles as dots are printed with carbon ink. Since only the K component (black component) corresponding to the dot amount of dots is extracted from the original images C, M, and Y, C, M, and Y in the right figure have the K component (black component).
- Figure 14 shows the case where the halftone dot is a dot pattern dot in the AM printing method, the pattern arrangement logic is GRID-2, and the left figure is the original image of C, M, and Y.
- the figure on the right is an enlarged view of the printed surface where all K components (black ink components) are extracted from C, M, and Y, and the dot pattern is also used as a halftone dot.
- the wrinkles as dots are printed with carbon ink or non-carbon ink, and it is assumed that the dots are recognized by the color separation method described in the specific example (4).
- Figure 15 shows the case where the halftone dot is a dot pattern dot in the AM printing method, the pattern arrangement logic is GRID-2, and the left figure is the original image of C, M, and Y.
- the figure on the right is an enlarged view of the printed surface, where K components (black ink components) that are ideal for image printing are extracted from the original images C, M, and Y, and the dot pattern is combined with halftone dots of Kl and K2.
- K1 is printed with non-carbon ink
- K2 is printed with carbon ink.
- K1 is a halftone dot that also serves as a dot pattern
- K2 is overprinted with a minimum halftone dot amount that can be read as a dot in this K1 area. Therefore, the dot by K2 can be a recognition dot with a degree of freedom as long as it is smaller than K1.
- the dot of this specific example defines the information by shifting the dot from the original halftone dot position that also serves as the halftone dot.
- the dot pattern is to place dots at the intersections of the grid lines.
- Force S latitude points
- grid dots are placed at every other grid point, otherwise Are printed as information dots shifted from the grid points.
- All dot patterns that define information with a shift of grid point force can be applied.
- the dots of the dot pattern are printed with K carbon ink for reading with the infrared optical reader, the positions of the dots in the halftone dots of the non-carbon ink for printing differ, and therefore, The force recognized by the present inventors that dullness occurs when overlapping printing is performed on the paper (medium surface).
- the dot pattern can be used as a halftone dot only for normal printing. Because four-color printing is performed, it is possible to maintain a beautiful printed surface that does not cause dullness on the printed surface, such as when the dot pattern is separately printed with ⁇ ink (ink color).
- the dot needs to shift the grid point force, so there is a greater possibility that adjacent dots will be connected than in a normal halftone dot.
- Normal halftone dots are often connected at 50% or more. Therefore, in this specific example, it is necessary to correct the halftone dot amount to be about 20-25% at the maximum.
- the dot shape is processed with high accuracy, recognition is possible even with a dot amount exceeding 50%.
- FIG. 8 shows a case where dots are printed as squares in this specific example
- FIG. 9 shows a case where dots are printed as circles.
- the dot amount is at least several percent (or more if the printing accuracy is low). (Percentage) or more, it is preferable to express dots.
- the carbon ink of ⁇ is used for dot printing, and the dot is corrected to a size that is easy to recognize as shown in Fig. 16. It can also be printed.
- FIG. 17 is a diagram illustrating the GRID-1 dot pattern in which black dot-shaped information dots are superimposed on halftone dots arranged in a square shape.
- a mask portion is provided in one printed image to recognize the shape of the mask. It has been made possible.
- the infrared ink is used with carbon ink.
- the printed characters, pictures, and various codes were read.
- a mask shape to be concealed in the image is set, and next, as shown in FIG. 19 (a), the non-carbon ink is used for the portion excluding the mask portion.
- the mask portion is printed with carbon ink.
- the image shown in FIG. 19 (c) is completed.
- the ink containing carbon the color development characteristics are slightly different from those of the ink. Therefore, the ink of the mask part or the non-mask part is subjected to color correction so as not to feel uncomfortable upon visual inspection. It is desirable to print so that there is no power at the border. You can also use stealth ink mixed in place of carbon.
- FIG. 18 When the image shown in Fig. 19 (c) is irradiated with infrared rays and the reflected light is read with an infrared optical reader, only the mask portion printed with carbon ink absorbs infrared rays.
- a mask image area as shown in FIG. 18 can be recognized. This mask area has the shape of the capital letter A in this specific example (6). This area may be in the form of another character, symbol, or figure. Also, this mask area may be printed with the dot pattern described in other specific examples.
- This example shows dot pattern concealment (stealth) printing technology using FM screen printing without halftone printing.
- the FM screen printing method represents an image with the density of pixels of the same size (see Figure 20).
- the dot portion that is, only the pixel portion constituting the dot is made of the same color carbon ink CMY, and the other portion is made of non-carbon ink.
- the dots constituting the dot pattern as shown in FIG. 20 (b)
- when there is no color information as shown in FIG. It is necessary to generate a carbon ink shape that can be assigned to pixels and recognized as dots
- the force described in the case of using four colors of carbon ink (CMYK) Similar to the specific example (3), the ink (K) is omitted and the CMY three-color carbon ink is used. You can also.
- the K component is removed from CMYK for each pixel that makes up the dot, and the component color is added to CMY to increase the CMY tone and correct the dot color.
- This makes it possible to represent dots with CMY three-color carbon ink without using black ink (K), thereby reducing the number of colors.
- it is possible to generate a shape that can be recognized as a dot by assigning the same peripheral color to the pixel, and the ability to exchange colors with the surrounding pixels.
- black (K) can also be used as a dot, and the periphery of the dot can be expressed in only three colors of CMY.
- CMY minus the gradation part is used as the gradation of the pixel, and the gradation of the common part is added within the above area and divided by 100%, the number of pixels constituting the dot expressed as black is calculated.
- the dots can be formed by arranging the black (K) pixels in a spiral from the center where the dots should be placed (see Fig. 22).
- the dot can be detected by using the color separation processing technique of the specific example (4) as in the method of the specific example (5).
- the K ink black color
- the carbon ink and the non-carbon ink so dullness on the printing surface can be suppressed.
- the photograph shown in FIG. 23 is printed with the dot pattern described in this specific example (1) -1 (7).
- a dot pattern is printed with carbon ink or stealth ink on the portion of the person in this photo.
- the ink used for printing the dot pattern is carbon ink or stealth ink that does not contain carbon but reacts in the infrared wavelength region or the ultraviolet wavelength region.
- the dot pattern is not printed on the background part other than the person. Thereby, even if carbon ink is used, dullness does not occur on a white background.
- FIGS. 24-26 show examples of printing photo stickers according to the present invention.
- Figures 23 and 24 are shots of people, which were taken with a so-called digital camera, a mobile phone terminal equipped with the digital camera function, or a photo sticker camera installed in an amusement facility. Is printed by a printer device.
- dots are printed only on the part of the photograph sticker (excluding the face).
- a dot pattern print area is provided under the face photo.
- FIG. 25 shows a darting card, and a dot pattern is printed in that area for each object (character).
- FIG. 26 is a composite of a frame image printed with a dot pattern and photographic data.
- the frame image can be downloaded in advance to a personal computer or a mobile phone terminal.
- a dot pattern is printed in advance on the frame image, and in a personal computer or mobile phone terminal that has downloaded the frame image, the dot pattern is converted into a code by a preinstalled processing program and stored in the memory or hard disk device.
- the user inputs voice data from the personal computer or the mobile phone terminal.
- the voice data is associated with the code by the processing program (specifically, an ID assigned to the voice data and a code are registered in an association table).
- the association information is stored in a storage means such as a memory or a hard disk device.
- a photograph is taken with a digital camera or a camera-equipped mobile phone terminal and the photograph data is transferred to the personal computer, the photograph data is combined with the frame data. This process is Go with the processing program in the camera phone. Photo data synthesized in this way is printed by a printer connected to a personal computer or a mobile phone terminal.
- the audio data and the association information are transferred to another personal computer or mobile phone terminal in the form of an attached file of an e-mail. This transfer may also be performed by a storage medium such as a memory card in addition to the e-mail.
- a photographed image of the composite photo data is input in another personal computer or mobile phone terminal to which the audio data and the association information are transferred, the other personal computer or mobile phone terminal in advance.
- the dot pattern of the composite photo data frame is read and converted to code.
- the processing program refers to the association information (association table), retrieves the ID of the audio data as well as the coding power, and reproduces and outputs the audio data corresponding to this ID with the power of the speaker.
- the frame data is downloaded by a predetermined site (server) force and combined with the photograph data taken by the user and printed so that other users can perform the composition. It is possible to reproduce and output a predetermined sound when a photograph is taken.
- Figure 27-28 shows a mobile phone terminal with a digital camera function.
- the mobile phone terminal can be equipped with a miniSD card (trade name) or a small memory card (CARD) called Memory Stick Duo (trade name). (DISP), operation buttons (OB), number buttons (NB), camera shooting button (CB), etc. are arranged. Also, a CCD camera or CMOS camera imaging lens (LS) is provided on the rear side!
- the central processing unit CPU
- the main memory MM
- ROM ROM
- FMEM flash memory
- operation buttons numeric buttons
- camera shooting buttons etc. on the bus (BUS).
- BUS bus
- a card adapter in which the memory card is inserted
- a CDA, a microphone (MIC), and a speaker (SP) are also connected to the bus.
- the digital camera function is equipped with a CMOS image sensor or CCD image sensor with 1 to 2 million pixels or more, and starts shooting when the push button operation of the camera shooting button is triggered.
- Captured image • It is stored in the flash memory or memory card as PEG format data.
- the dots provided on the medium surface described in specific examples (1) and (7) are read by the program registered in the flash memory.
- the voice data input by the microphone force is converted into voice data in WAV format, MP3 format, etc., and is registered in the flash memory or memory card.
- FIG. 30 is a flowchart showing the processing procedure of this example using such a mobile phone terminal.
- the user speaks the recorded content with the help of the microphone of the mobile phone terminal.
- the content received in this way is registered in the flash memory or memory card as audio data via the microphone.
- the user takes the photographic stickers shown in Figs. 23, 24, and 26 using the camera function of the mobile phone terminal.
- the code data set by the printing device is printed as a dot pattern.
- Such a dot pattern printing technique is the same as that described in the above specific example (1), (1), (7), and therefore the description thereof will be omitted.
- the central processing unit associates the input voice data with the code data and registers them in the database of the flash memory or memory card.
- the central processing unit determines whether the flash memory or the memory card is based on the code data. Access the database, read the associated audio data and play it from the speaker.
- the photo sticker is taken after the second time on the mobile phone terminal.
- the audio data associated with each time can be reproduced.
- FIG. 31 shows that the voice data, code data, and a database for associating them are registered in a memory card, and the memory card is attached to another mobile phone terminal.
- FIG. 5 is a flow diagram in which voice data similar to the above can be reproduced even when the photo sticker is taken.
- FIG. 32 is a flowchart in which the voice data, code data, and a database associated therewith are transferred to the other mobile phone terminal using the communication function of the mobile phone terminal.
- the i-appli TM By downloading a so-called i- ⁇ ppli program from a specific Sano-kun to the user's mobile phone terminal and the other mobile phone terminal, the i-appli TM communicates with each other, and the user's mobile phone terminal Force Transfers voice data, code data, and data base to the other party's mobile phone terminal.
- Fig. 32 is an example of transferring voice data, code data, and database by communication between i- ⁇ pplis (trademarks).
- Fig. 33 shows these data by using e-mail. Show the process of transferring from the terminal to the other mobile phone terminal! Also in this method, as described above, when the other party takes a picture of the photo sticker with the mobile phone terminal, the voice data previously recorded by the user on the user's mobile phone terminal is stored in the other party's mobile phone. It will be played from the talk terminal.
- This specific example is a system using the mobile phone terminal described in specific example (8) and a photo sticker photographing apparatus.
- the photo sticker photographing apparatus has a camera (CM), a microphone (MIC), an operation button (OB), and a printing apparatus (PRT) with a control device as a center.
- the control device is composed of an information processing device such as a general-purpose personal computer.
- the control device is composed of a central processing unit, a main memory, a node disk device in which programs and databases are registered, etc., not shown.
- the control device is connected to a dot code management server and a voice management server via a network.
- the former dot code management server issues dot codes and associates them with voice data managed by the voice management server, and has a database that associates them.
- the latter voice management server registers and manages voice data inputted through the microphone of the photo sticker photographing apparatus.
- the user operates the camera with the operation button to take a photograph, and stores the photograph data in the memory of the control apparatus.
- the control device of the photo sticker photographing apparatus reads a dot pattern printed in advance on the photo sticker mount to be printed and converts it into a dot code number.
- the photograph sticker photographing apparatus prints out the photograph image taken on the sticker mount.
- the user inputs arbitrary sound through the microphone.
- the voice data input in this way is stored in the memory of the control device.
- the control device notifies the voice management server of the dot code that has also read the sticker mount force and the voice data.
- the dot code management server registers the voice data and the dot code in the associated database.
- the user carries the photo sticker photographing device power printed photo sticker. Take a picture on the phone.
- the central processing unit of the mobile phone terminal reads the dot pattern from the photographed image of the photo sticker and converts it into a dot code number.
- the processing at this time is the same as that described in the specific example (8).
- the user inputs an arbitrary sound through the microphone.
- the voice data input in this way is temporarily stored in the memory of the control device.
- the control device registers the voice data in the voice management server.
- the dot code management server is notified of the ID assigned to the audio data.
- the dot code management server registers the voice data and the dot code in the associated database.
- the user starts the communication program stored in the flash memory of the mobile phone terminal, accesses the dot code management server, and searches for the ID of the audio data corresponding to the dot code number. . Then, the voice data registered in the voice management server accessed by the voice management server based on the retrieved ID is downloaded to the mobile phone terminal and reproduced from the speaker.
- the dot pattern is read by the cellular phone terminal.
- an optical reading device connected to a personal computer may be used.
- FIG. 36 shows a case where dot code issuance is performed by a dot code management server.
- FIG. 37 shows a procedure for recording audio with a photo sticker photographing apparatus and reproducing the audio data with a personal computer or a mobile phone.
- a dot pattern is printed in advance on a photo sticker mount. Show the case! /
- FIG. 38 shows a procedure for recording sound with a photo sticker photographing apparatus and reproducing the sound data with a personal computer or a mobile phone as in FIG. 37.
- the dot pattern is a photograph pattern.
- the photo sticker photography device issues an unused dot code.
- Figs. 39 and 40 show a photographic system in which a dot pattern is printed in advance by a photographic sticker photographing apparatus.
- a photo sticker was printed using a paper mount, and the photo sticker was photographed with a camera-equipped mobile phone terminal, and voice input was also performed at that time, which was managed by a voice management server. Then, when another user takes the photo seal with another camera-equipped mobile phone terminal, an inquiry is made to the voice management server, and the voice data input above is reproduced.
- Figures 41 and 42 show a photo sticker photographing device that issues a dot code for each photo shoot, prints a photo sticker, and shoots this photo sticker with a mobile phone terminal with a camera.
- Voice input is also performed at that time and managed by the voice management server. Then, when another user takes the picture sticker with another camera-equipped mobile phone terminal, the voice management server is inquired and the voice data input above is reproduced. .
- Figures 43 and 44 show that after the user takes a picture with the photo sticker device, the photo sticker device receives a dot code issued from the dot code management server, generates a dot pattern, and outputs the photo sticker. . Next, the user shoots the photo sticker with the mobile phone terminal and records the voice, records the voice in association with the dot code, and then registers the dot code and voice data in the voice management server.
- the dot pattern is converted into a dot code, and whether or not there is audio data associated with the dot code is determined. Queries the voice management server. When voice data corresponding to the dot code is found, the voice data is downloaded from the voice management server to the mobile phone terminal and played back.
- the photo sticker is printed with a photo sticker on which photo data is printed on a sticker mount on which a dot pattern is printed in advance.
- the user takes the photo sticker with the built-in camera of the mobile phone terminal.
- the dot pattern is photographed with a pen camera (pen-shaped printing surface reading device) connected to the user's personal computer via USB and converted into a dot code.
- the information processing terminal allows voice data to be input in association with the dot code.
- the voice data associated with the dot code is transferred to another mobile phone terminal or another personal computer.
- the central processing unit (CPU) of the mobile phone Is converted into a dot code, and the audio data associated with the dot code stored above is output.
- the dot pattern is photographed with a pen camera (pen-shaped printing surface reader) connected to another personal computer via USB, and this is converted into a dot code to output the associated audio data. Also good.
- Fig. 46 is a force that is almost the same as Fig. 45.
- a reserved unused code is issued, a dot pattern is generated based on the issued code, and the photo sticker on which the dot pattern is printed The point that is printed is different.
- Figs. 47 and 48 show how the dot pattern is printed by connecting a personal computer or the like to the paper with the dot pattern printed in advance on the photo data taken with a digital camera or mobile phone terminal.
- Audio data is associated with the dot code and registered in the dot code management server and the audio management server, and this is used when the dot pattern on the photo sticker is photographed with another personal computer or mobile phone terminal. It converts to dot code, queries the dot code management server, downloads the associated voice data from the voice management server, and plays it back.
- FIGS. 49 and 50 are modified examples of FIGS. 47 and 48.
- a dot code issuing program is installed in a personal computer and a user prints photo data taken with a digital camera or mobile phone terminal
- FIG. A dot code is issued to the server, and the issued dot code is registered in the dot code management server.
- the photograph sticker docks on another personal computer or mobile phone terminal.
- the image pattern is photographed, it is converted into a dot code, the dot code management server is queried, and the associated voice data is downloaded from the voice management server and played back and output.
- FIGS. 51 and 52 are modifications of FIGS. 49 and 50 described above.
- the personal computer has a communication function, and when the user prints photo data taken with a digital camera or mobile phone terminal, the dot code management server is requested to issue a dot code.
- the dot code is issued from the dot code management server, a dot pattern is generated from the dot code and the photo sticker with the dot pattern attached is printed on the printing device.
- the voice data is registered in the voice management server.
- the dot pattern of the photo sticker was shot with another personal computer or mobile phone terminal, it was converted into a dot code and the dot code management server was queried for the associated voice data. It is downloaded from the management sano and played back.
- FIGS. 53 and 54 are variations of FIGS. 47 and 48.
- FIG. 53 is a diagram of FIGS. 47 and 48.
- the user takes a photograph with a digital camera or a mobile phone terminal, and prints this photograph data with a printing device at a convenience store or a photo store.
- a photo sticker mount printed with a dot pattern is set in the printing apparatus, and the printed photo sticker can read the dot pattern.
- the user is connected to a personal computer, reads the dot pattern of the photo sticker with a USB camera, a scanner pen or a mobile phone, associates the voice data with the dot code, and connects the voice data with the dot code management server. Register with the management server. Then, when the dot pattern of the photo sticker is photographed with another personal computer or mobile phone terminal, it is converted into a dot code, the dot code management server is inquired, and the associated voice data is downloaded from the voice management Sano. It is for replay output.
- FIG. 67 is a modification example of FIGS. [0267]
- a dot code issuance program is installed in a printing device at a convenience store or a photo store, and when the user prints photo data taken with a digital camera or mobile phone terminal, the dot code is displayed. And issue the dot code to the dot code management server.
- voice data When voice data is input in association with the dot code using a personal computer or a mobile phone terminal, the voice data is registered in the voice management server.
- the dot pattern of the photo sticker is photographed by another personal computer or mobile phone terminal, it is converted into a dot code, and the dot code management server is inquired to associate the associated voice data with the voice data. It is downloaded from the management sano and played back.
- FIGS. 57 and 58 are modifications of FIGS. 51 and 52.
- FIG. 57 and 58 are modifications of FIGS. 51 and 52.
- a printing device such as a print creation device has a communication function, and when a user prints photo data taken with a digital camera or mobile phone terminal, a dot code issuance request is issued to the dot code management server.
- a dot code is issued from the dot code management server in response to this, a dot pattern is generated from the dot code and the photo sticker with the dot pattern added is also printed by the printing device.
- the dot pattern of the photo sticker is photographed by another personal computer or a mobile phone terminal, it is converted into a dot code, and the associated voice data is voiced by querying the dot code management server. It is downloaded from the management sano and played back.
- FIG. 59 is a modification of FIG.
- a photo sticker device in which a dot pattern is arranged in photo data based on a dot pattern generation program installed in a personal computer is printed.
- the user takes the photo sticker with the built-in camera of the mobile phone terminal. Or a pen camera connected to the user's personal computer via USB The dot pattern is photographed by a device and converted into a dot code.
- the voice data associated with the dot code is transferred to another mobile phone terminal or another personal computer.
- the dot pattern is shot with a pen camera (pen-shaped printing surface reader) connected to another personal computer via USB, and this is converted into a dot code to output the associated voice data. Also good.
- FIG. 60 is a modification of FIG. 59, and uses a photo sticker device instead of a personal computer in which a dot pattern generation program is installed. The other processes are the same as in FIG.
- FIG. 61 is a modification of FIG. 59, and is different only in that the photograph data photographed with a digital camera or a mobile phone terminal is printed with a printing device at a convenience store or a photo store.
- Fig. 62 is different from Fig. 61 only in that a dot code is issued each time printing is performed by a printing device at a power convenience store or a photo store.
- FIG. 63-66 is a table showing parameters when the dot pattern of the present invention is applied to a printing apparatus such as a printer, an input apparatus such as an image scanner, and a copying apparatus such as a copy and facsimile machine.
- the apparatus of this specific example is a copying machine, and includes a scanner unit that reads an original document, a control unit that includes a memory, an input unit that inputs the number of copies, and the like. It consists of a printing unit that prints on paper and a discharge unit that discharges printed paper. [0285]
- the control unit places a dot pattern read from the memory in an arbitrary area where the input unit force is input with respect to the read original document, and issues a print instruction to the printing unit.
- the input unit for example, a touch panel can be used, and it is now possible to display a read original and specify an arbitrary coordinate position with a touch pen or the like to determine a dot pattern arrangement position! / Needless to say, the dot pattern used in this specific example may be a dot pattern based on an algorithm other than those described above with reference to the GRID-1 or GRID-2.
- these dot patterns are printed as the so-called stealth dot patterns described in the specific example (1) 1 (7).
- a parameter table as shown in Fig. 63-66 is generated in the memory of this copier. Specify an arbitrary area in the document and register parameters related to print control for each object. Can do.
- Fig. 67 to Fig. 70 show specific examples.
- K l
- iMRK 0.
- information dots associated with audio data or the like may be arranged as dot patterns on the tree or house portion.
- control unit can perform control such as prohibiting copy printing, limiting the number of copies and the copy range, etc. .
- a so-called stealth dot pattern in which the presence of a dot pattern on the medium surface cannot be visually recognized by only slightly improving the existing printing technology, is simple and inexpensive.
- examples of the printing apparatus include a photo sticker photographing apparatus, a color copying machine, and a printer with a scanner, but other simple printing apparatuses and the like may be used.
- the stealth dot pattern of the present invention is a picture book that produces sound, a photo book, printed matter that requires security on the printed surface (for example, banknotes and official documents), and a voice input system and photo sticker printing using a photo sticker device. It can also be applied to technology, reading technology such as photo stickers using mobile phone terminals, and print management of copy printers (copy devices).
- FIG. 5 Diagram showing the printing status of dots in specific example (3) (2)
- FIG. 9 Diagram showing dot arrangement in specific example (5) (1)
- FIG. 10 Diagram showing an example of GRID-1 dot pattern arrangement in example (5) (1)
- FIG. 11 Diagram showing an example of GRID-1 dot pattern arrangement in specific example (5) (2)
- FIG.12 Diagram showing the arrangement example of GRID-1 dot pattern in specific example (5) (3)
- FIG.13 Diagram showing an example of GRID-2 dot pattern arrangement in specific example (5) (1)
- FIG.14 Diagram showing an example of GRID-2 dot pattern arrangement in specific example (5) (2)
- FIG.15 Diagram showing an example of GRID-2 dot pattern arrangement in specific example (5) (3)
- FIG. 16 Explanatory diagram for controlling dot size during printing in specific example (5)
- FIG. 17 Explanatory drawing in which round information dots are arranged on the rectangular halftone dots in specific example (5)
- FIG.20 Diagram explaining how to create a dot pattern using FM screen printing in Example (7)
- FIG.29 Diagram showing the system configuration of the photo sticker device in specific example (9).
- FIG.30 Flow diagram showing the processing procedure of the specific example (8)-Fig.1 (1)
- FIG.31 Flow diagram showing the processing procedure of specific example (8)-Fig. (2)
- FIG. 32 Flow chart showing the processing procedure of the specific example (8)-Fig. (3)
- FIG.33 Flow diagram showing the processing procedure of the concrete example (8)-Fig. (4)
- FIG. 34 Flow diagram showing the processing procedure of the specific example (9)-Fig. (1)
- FIG. 35 Process diagram showing the processing procedure of specific example (9)-Fig. (2)
- FIG.36 Flow diagram showing the processing procedure of specific example (9)-Fig. (3)
- FIG.38 Flow chart showing the processing procedure of the specific example (9)-Fig. (5)
- FIG.40 Flow chart showing processing procedure of specific example (9)-Fig. (7)
- FIG.41 Flow diagram showing the processing procedure of the concrete example (9)-Fig. (8)
- FIG.42 Flow chart showing the processing procedure of specific example (9)-Fig. (9)
- FIG.44 Flow diagram showing the processing procedure of the specific example (9)-Fig. (11)
- FIG. 45 Flow chart showing the processing procedure of specific example (9)-Fig. (12)
- FIG. 46 Process diagram showing the processing procedure of the specific example (9)-Fig. (13)
- Fig. 50 Flow chart showing the processing procedure of the specific example (9) (17)
- Fig. 51 Flow chart showing the processing procedure of the specific example (9) (18)
- Fig. 52 Flow chart showing the processing procedure of the specific example (9) (19)
- Fig. 54 Flow chart showing the processing procedure of specific example (9) (21)
- Fig. 56 Flow chart showing the processing procedure of the specific example (9) (23)
- Fig. 58 Flow chart showing the processing procedure of the specific example (9) (25)
- Fig. 60 Flow chart showing the processing procedure of the specific example (9) (27)
- FIG. 63 Explanatory diagram of a parameter list of dot patterns used in the printing apparatus of the specific example (10) (1)
- FIG. 64 Explanatory diagram of a parameter list of dot patterns used in the printing apparatus of the specific example (10) (2) ] Explanation of parameter list of dot pattern used in printing device of specific example (10) (3)
- FIG. 66 Explanatory diagram of parameter list of dot pattern used in printing device of specific example (10) (4 FIG. 67)
- Specific example Figure (1) shows the dot pattern arrangement on the printing surface (10)
- Fig. 68 Diagram showing the arrangement of the dot pattern on the printing surface of Example (10) (2)
- Fig. 69 Diagram showing the arrangement of the dot pattern on the printing surface of Example (10) (3)
- Fig. 70 Diagram showing the arrangement of dot patterns on the printing surface of Example (10) (4)
- Fig. 71 An example of the dot pattern (GRID-1) used in this embodiment
- Fig. 72 Diagram showing the principle of the dot pattern (GRID-1) (1)
- Fig. 73 Diagram showing the principle of the dot pattern (GRID-1) (2)
- Fig. 74 Diagram showing the principle of the dot pattern (GRID-1) (3)
- Fig. 75 Diagram showing the principle of the dot pattern (GRID-1) (4)
- Figure 76 Diagram showing the principle of 1-dot pattern (GRID- -1) (5)
- FIG.81 Diagram showing the principle of 1-dot pattern (GRID- -1) (10)
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- Image Processing (AREA)
- Editing Of Facsimile Originals (AREA)
- Record Information Processing For Printing (AREA)
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Abstract
Description
Claims
Priority Applications (16)
Application Number | Priority Date | Filing Date | Title |
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AU2004323944A AU2004323944A1 (en) | 2004-10-15 | 2004-10-15 | Printing structure of medium surface on which dot pattern is formed by printing, printing method, and its reading method |
JP2006540810A JP4231946B2 (ja) | 2004-10-15 | 2004-10-15 | ドットパターンを印刷形成した媒体面の印刷構造 |
CA002584397A CA2584397A1 (en) | 2004-10-15 | 2004-10-15 | Print structure, printing method and reading method for medium surface with print-formed dot pattern |
EP04792503.7A EP1800883B1 (en) | 2004-10-15 | 2004-10-15 | Printing structure of medium surface on which dot pattern is formed by printing and its printing method |
KR1020097001090A KR100908898B1 (ko) | 2004-10-15 | 2004-10-15 | 도트패턴의 리드 방법 |
KR1020097001118A KR100944496B1 (ko) | 2004-10-15 | 2004-10-15 | 망점을 이용한 도트패턴의 인쇄 방법 및 인쇄물 |
EP14153248.1A EP2730426B1 (en) | 2004-10-15 | 2004-10-15 | Printing unit |
PCT/JP2004/015286 WO2006040832A1 (ja) | 2004-10-15 | 2004-10-15 | ドットパターンを印刷形成した媒体面の印刷構造、印刷方法、およびその読取方法 |
CNA2004800442355A CN101044026A (zh) | 2004-10-15 | 2004-10-15 | 印刷形成点图形的媒体面的印刷结构、印刷方法及读取方法 |
KR1020097001088A KR100908897B1 (ko) | 2004-10-15 | 2004-10-15 | 도트패턴을 인쇄한 매체 |
US11/665,383 US7876460B2 (en) | 2004-10-15 | 2004-10-15 | Print structure, printing method and reading method for medium surface with print-formed dot pattern |
IL182485A IL182485A0 (en) | 2004-10-15 | 2007-04-12 | Printing structure of medium surface on which dot pattern is formed by printing, printing method, and its reading method |
US12/977,832 US8023148B2 (en) | 2004-10-15 | 2010-12-23 | Print structure, printing method and reading method for medium surface with print-formed dot pattern |
US13/219,489 US8243332B2 (en) | 2004-10-15 | 2011-08-26 | Printing structure of medium surface on which dot pattern is formed by printing, printing method, and its reading method |
US13/448,701 US8363277B2 (en) | 2004-10-15 | 2012-04-17 | Printing structure of medium surface on which dot pattern is formed by printing, printing method, and its reading method |
US13/739,797 US9041981B2 (en) | 2004-10-15 | 2013-01-11 | Printing structure of medium surface on which dot pattern is formed by printing, printing method, and its reading method |
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PCT/JP2004/015286 WO2006040832A1 (ja) | 2004-10-15 | 2004-10-15 | ドットパターンを印刷形成した媒体面の印刷構造、印刷方法、およびその読取方法 |
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US12/977,832 Division US8023148B2 (en) | 2004-10-15 | 2010-12-23 | Print structure, printing method and reading method for medium surface with print-formed dot pattern |
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EP (2) | EP2730426B1 (ja) |
JP (1) | JP4231946B2 (ja) |
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CN (1) | CN101044026A (ja) |
AU (1) | AU2004323944A1 (ja) |
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Also Published As
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KR20090018215A (ko) | 2009-02-19 |
CA2584397A1 (en) | 2006-04-20 |
EP1800883B1 (en) | 2014-10-08 |
JP4231946B2 (ja) | 2009-03-04 |
EP2730426A2 (en) | 2014-05-14 |
IL182485A0 (en) | 2007-09-20 |
US20120200879A1 (en) | 2012-08-09 |
US8023148B2 (en) | 2011-09-20 |
KR100944496B1 (ko) | 2010-03-03 |
KR20090014318A (ko) | 2009-02-09 |
US20120050817A1 (en) | 2012-03-01 |
KR20090014317A (ko) | 2009-02-09 |
US20110164267A1 (en) | 2011-07-07 |
EP2730426A3 (en) | 2014-07-30 |
US20080088860A1 (en) | 2008-04-17 |
EP1800883A4 (en) | 2010-12-29 |
JPWO2006040832A1 (ja) | 2008-05-15 |
US7876460B2 (en) | 2011-01-25 |
EP1800883A1 (en) | 2007-06-27 |
KR100908897B1 (ko) | 2009-07-23 |
KR100908898B1 (ko) | 2009-07-23 |
US8363277B2 (en) | 2013-01-29 |
US8243332B2 (en) | 2012-08-14 |
AU2004323944A1 (en) | 2006-04-20 |
CN101044026A (zh) | 2007-09-26 |
EP2730426B1 (en) | 2018-03-07 |
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