WO1992020748A1 - Composition d'encre invisible, imprimes invisibles et systeme d'application pour l'impression invisible - Google Patents

Composition d'encre invisible, imprimes invisibles et systeme d'application pour l'impression invisible Download PDF

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Publication number
WO1992020748A1
WO1992020748A1 PCT/JP1992/000640 JP9200640W WO9220748A1 WO 1992020748 A1 WO1992020748 A1 WO 1992020748A1 JP 9200640 W JP9200640 W JP 9200640W WO 9220748 A1 WO9220748 A1 WO 9220748A1
Authority
WO
WIPO (PCT)
Prior art keywords
invisible
transparent
information
mark
bar code
Prior art date
Application number
PCT/JP1992/000640
Other languages
English (en)
Japanese (ja)
Inventor
Shinji Tajima
Kohji Kitami
Original Assignee
Dai Nippon Printing Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dai Nippon Printing Co., Ltd. filed Critical Dai Nippon Printing Co., Ltd.
Publication of WO1992020748A1 publication Critical patent/WO1992020748A1/fr

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Classifications

    • 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
    • G06K19/08—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/50—Sympathetic, colour changing or similar inks
    • 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
    • G06K7/12—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using a selected wavelength, e.g. to sense red marks and ignore blue marks

Definitions

  • the present invention relates to an indium which is invisible in the visible light range and absorbs light other than visible light, such as ultraviolet light or infrared light, and which can emit fluorescent light which can be distinguished by excitation.
  • the present invention relates to an ink composition, a printed matter printed with the invisible ink composition, and an invisible printing application system using the invisible printing technology.
  • fluorescent pigments capable of emitting light
  • fluorescent pigments can be broadly classified into inorganic pigments and organic pigments.
  • Inorganic fluorescent pigments include, for example, oxides, sulfides, and the like of metals such as zinc, power dom, canoleum, yttrium, and anolem. It is possible to add a small amount of an activator such as manganese, copper, lead, or europium to a main component, such as gaterate, and fire at high temperature. It is obtained by and.
  • the organic fluorescent pigment is a solid solution obtained by dissolving a fluorescent dye in a vehicle made of a resin, and the resin in this case is an acrylic resin.
  • the above-mentioned fluorescent pigments which use an alkyl resin or the like have been conventionally mainly used as fluorescent paints, and conventional paints containing these fluorescent pigments have been used.
  • the composition cannot be used as a printing ink as it is.
  • highly compressed information such as a bar code system
  • the fluorescent light from the pigment is effective with sufficient intensity. It is necessary to have a blinking characteristic that can be generated and read out.
  • a fluorescent pigment is used as an ink composition for printing, it is important that the ink composition be sufficiently printable so that it can sufficiently cope with various printing methods. It is.
  • the present invention meets the technical needs as described above.
  • the ink composition for invisible printing which excels in the ink characteristics and printing characteristics, and the fluorescence reading characteristics
  • An object of the present invention is to provide a printed material printed with a composition and an invisible printing application system using an invisible printing technology.
  • the invisible ink composition according to the present invention comprises: (a) a fluorescent pigment having substantially no absorption region in the visible light region; and (b) a wavelength that excites the fluorescent pigment. It is characterized by comprising a vehicle that is permeable to both light and the emitted light of the fluorescent pigment.
  • the invisible printed matter according to the present invention comprises: (a) a fluorescent pigment having substantially no absorption region in a visible light region and (b) the fluorescent pigment on a substrate to be printed.
  • Printing is performed using an invisible ink composition comprising a vehicle that is transparent to both light having a wavelength that excites the pigment and emission light of the fluorescent pigment. It has a printed layer that is invisible under visible light.
  • FIGS. 1, 2, 5 and 6 are graphs showing the optical properties of the invisible ink composition according to the present invention.
  • 3 and 4 are cross-sectional views of an embodiment of a printed matter according to the present invention.
  • FIGS. 15, 21, and 25 are configuration diagrams of an embodiment of an application system that applies an invisible print according to the present invention.
  • Fig. 12 is a configuration diagram of the invisible mark reader
  • Fig. 13 is a perspective view of the optical system of the invisible mark reader
  • Figs. 8 to 11 show various prints according to the present invention. Diagram showing an example applied to a medium
  • FIGS. 7, 16, 22 A, 22 B, 26, 28, and 29 are flow charts of an information medium system using printed matter according to the present invention.
  • FIGS. 14, 17, 20, and 23 are block diagrams of an application system to which an invisible print according to the present invention is applied.
  • FIGS. 18A, 18B, 24A and 24B show examples of applying the printed matter according to the present invention to an ID force
  • FIGS. 19 and 27 are diagrams showing an ID card reader as an application example of the system of the present invention.
  • the invisible ink composition according to the present invention comprises (a) a fluorescent pigment having substantially no absorption region in the visible light region, and (b) light having a wavelength that excites the fluorescent pigment. And a vehicle which is permeable to both the light emitted from the fluorescent pigment.
  • the fluorescent pigment in the present invention is a substance that emits luminescence in a broad sense, that is, a fluorescent substance, and includes both an inorganic fluorescent pigment and an organic fluorescent pigment.
  • C a, B a, M g, Zn, Crystals such as Cd and other oxides, sulfides, gateates, phosphates, and tungsten salts are the main components, and Mn, Z ⁇ , Ag, Cu, S Pigments obtained by adding a rare earth element such as b or Pb or a rare earth element such as a lanthanide as an activator and calcining the same can be used.
  • organic fluorescent pigments examples include diaminostyrbenzene sulfonic acid derivatives, imidazole derivatives, coumarin derivatives, triazones, triazones, Derivatives such as pyridin, naphthalic acid, and imidazolone; dyes such as phenololeicin and eosin; and benzene rings such as anthracene It can be used with compounds that have it.
  • Inorganic pigments are very poor in terms of durability and weather resistance of invisible printing.On the other hand, organic pigments can be reduced in particle size, so surface treatment is especially necessary. Above all, it is excellent in ink suitability.
  • the particle size is relatively large, the luminance is large, and the pigment is stable.
  • Oxide or oxyacid salt based inorganic fluorescent pigments are preferred.
  • the particle size of the pigment in order to improve the fluorescent characteristics such as luminance and the printing characteristics of the ink.
  • a fluorescent pigment composed of pigment particles having an average particle diameter of 7 to 50 m. More preferably It is desirable to use pigment particles having an average particle diameter of 0.7 to 20 ⁇ m, most preferably in the range of 1.0 to 20.
  • the particle size is reduced.
  • the lower limit of the particle size is set to 0.7111.
  • the upper limit of the particle size is more than 50111, the fluidity becomes poor and the suitability as a printing ink tends to decrease.
  • the content of the fluorescent pigment in the whole composition is suitably from 15 to 45% by weight in order to improve both the luminance and the ink characteristics, and the more preferable range is 2%. 0 to 40% by weight.
  • the fluorescent brightness in the state of the ink composition is extremely reduced.
  • the content of the fluorescent pigment is about 12%, the brightness of the pigment itself is reduced. It decreases to about 1 Z10.
  • a surface treatment in order to improve the properties of the pigment (such as hiding power, coloring power, oil absorption and durability).
  • properties of the pigment such as hiding power, coloring power, oil absorption and durability.
  • an inorganic pigment when used, its surface is hydrophilic and has poor affinity with an oily polymer. It is preferable to improve the performance.
  • dispersants of fatty acids low molecular weight / high molecular weight
  • fatty acid salts fatty acid salts and waxes are used.
  • An irreversible layer is formed by reacting low molecular weight monomers and oligomers on the pigment surface.
  • a polymerizable organic acid, a reactive oligomer, or the like is used.
  • the vehicle is transparent to both light having a wavelength for exciting the fluorescent pigment and light emitted from the fluorescent pigment.
  • Use vehicle The characteristics of such a vehicle depend on the type of the fluorescent pigment used and the excitation and emission wavelength ranges, but in the present invention, the specifics are as follows. It is preferable that the compound does not have absorption in the visible light range of from 40 ° to 700 nm, more preferably from 450 to 70 nm.
  • the resin constituting the vehicle of the present invention includes proteins, rubber, phenolic cellulose, shellac, copanole, starch, and starch.
  • Natural resins such as gin, vinyl resins, acrylic resins, styrene resins, polyrefin resins, -s-Thermoplastic resins such as novolac type phenolic resin, resin type phenolic resin, urea resin, melamine resin, polyurethane resin, Thermosetting resins such as epoxy and unsaturated polyester are used, and plasticizers are used to stabilize the flexibility and strength of the ink film, if necessary. Solvents for viscosity adjustment and drying, and auxiliary agents such as drying, viscosity, dispersibility, and various reactants are added appropriately.
  • the invisible ink composition does not desirably adsorb contaminants by a solvent component after curing, and preferably uses a solvent.
  • a solvent component Either a photo-curing type or an electron beam-curing ink is used.
  • the main component is an acrylic resin.Specifically, it is commercially available as an acrylic monomer and has the following power.
  • Monofunctional c includes 2-ethyl hexyl acrylate, 2-ethyl hexyl oleate E0 adduct acrylate, ethoxy Sci- ti-lenco-core creator, 2-hydroxy cre- ator cre- ate, 2-hydroxy cre- ment Rate, 2-head ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ 2 2 2 2 2 2 2 2 2 2 2- ⁇ ⁇ ⁇ ⁇ Non-standard creator, non-functional creator E 0 Additive creator, nonyl phenol E 0 Additive Power rate added function, 2-Hydroxy-3-Fynoxy Propino Recreate, Tetra Hidro Ezo Ref.Release rate, Ref.
  • the power of lanoreco-learning product additions crecreate, acryloline melamine hollin, dicyclopenteninole creature , Dicyclopent evening creator, dicyclopentenoxy creator, isobolite creator , 4,4-Dimethylone-1,3-dioxolane caprolactone adducts, 3-methyl-5,5-diethyl
  • the power of the Methinole-1 and 3-Doxolan can be used, such as the crucibles of the proton additions.
  • the ink made of these resins is solvent-free and has a composition that causes a chain polymerization reaction by irradiation of electromagnetic waves or electron beams.
  • a photopolymerization initiator and, if necessary, a sensitizer and an auxiliary agent such as a polymerization inhibitor and a chain transfer agent are added.
  • photopolymerization initiators are: 1) Aryl phenol phenol, oxy quin phenol, acid phosphine phosphine 2) Benzophenone derivatives, thioxantone derivatives, etc. as radical polymerization reaction types; 3) Aryno resin as cation polymerization reaction types There are azonium salt, aryno salt-donium salt, arylsnorehonium salt, arynoresetofunon, etc., and 4 others. ) Energy transfer type, 5) Optical redox type, and 6) Electron transfer type can be used.
  • the above-mentioned ultraviolet ray is used for the electron beam curing type.
  • the same resin as in the line irradiation type no photopolymerization initiator is required, and various auxiliaries can be added as necessary.
  • an irreversible decolorable colorant can be further contained in the composition.
  • the decolorizable colorant maintains a visible state in the visible light range, and is irreversible by an operation for decoloring, for example, irradiation with near infrared light. It is a colorant that changes specifically to an invisible state. Printing with an invisible ink composition containing such a decolorizable colorant makes it possible to identify the printed image with the naked eye, thereby improving printing accuracy. It can be done. After that, it can be changed to the invisible state by performing the decoloring operation.
  • Shell-body examples include the following structural formula,
  • the invisible printed matter according to the present invention is basically a material having a printing layer printed using the above-mentioned invisible ink composition on a substrate to be printed. , Become.
  • a visible print layer may be formed on the base material, and an invisible print layer may be formed on at least one part of the visible print layer.
  • a visible light transmitting layer that transmits visible light and absorbs invisible light that excites fluorescence between a visible printing layer and an invisible printing layer.
  • Excitation invisible light absorbing layer may be formed.
  • an invisible light absorbing layer that absorbs invisible light may be formed between the substrate and the invisible printing layer.
  • black printing may be performed by a mixture of three colors of cyan, yellow, and yellow. I like it. This is for the following reasons.
  • the mark pattern is regarded as noise against the fluorescent light emission of the invisible printing layer. Affects the read signal.
  • the invisible light absorbing layer has the effect of suppressing the fluorescence emission of such a substrate.
  • the excitation invisible light applied to the mark pattern of the invisible printing layer above the invisible light absorbing layer Does not attenuate because it is directly irradiated, but the excitation invisible light absorbed in the absorption layer is extremely attenuated, so the fluorescent brightener contained in the substrate The emission of such light is almost suppressed, and no noise is generated in its reading.
  • the excitation invisible light absorbing layer has the effect of equalizing the reflection of the base material and the process force and the printing layer power, and has the effect of making the mark / marker This can reduce the noise of reading the software.
  • the absorption ink used as the excitation invisible light absorbing layer is prepared by kneading the following pigment having an ultraviolet absorption effect into a transparent vehicle similar to the invisible ink of the present invention using a fluorescent pigment. It can be prepared by incorporating it.
  • Barcode reading devices are used in various fields including POS. Bar code in P0S etc. is human A bar code is a form in which human beings cannot directly recognize its existence, although it can visually recognize its existence, that is, invisible (invisible). A device for reading barcodes has been developed. Invisible barcodes are expected to be widely used, taking advantage of the fact that they cannot be seen. For example, invisible barcodes are used to prevent counterfeiting by adding invisible barcodes to securities prints, such as stock certificates, etc., which have the characteristics of a cash voucher, and traffic coupons. Have been proposed. Or, you can use the invisible bar code as a code to search for information recorded on a CD—R0M, LD, etc., and print it out. Some proposals have been made such that the paper is covered with black barcode, etc., which makes it more unsightly and less powerful.
  • Invisible barcodes are essentially not affected by the sheet on which the invisible barcodes are printed when reading the barcodes.
  • the absorbance of the ink forming the visible layer below the invisible bar code of the printed sheet and the absorbance of the material of the sheet differ. Therefore, the brightness characteristics of the invisible barcode differ from part to part due to the difference in absorbance between the printing on the back side of the printed sheet and the material of the sheet and the printing on the front side.
  • the bar code is affected by the reading, except in the case of background color ⁇ solid color, and in some cases, the bar code cannot be read correctly. There is a problem. In addition to the invisible bar code, similar problems occur when using the invisible link to print other invisible marks or invisible prints. Encounter.
  • At least a visible light is transmitted on a visible print layer printed on a paper sheet on which at least an invisible print is printed. Then, a visible light transmitting / invisible light absorbing layer that absorbs invisible light is formed.
  • the formed visible light transmitting / invisible light absorbing layer usually allows visible light to pass through and allows the underlying visible printed matter to be visible as before.
  • the paper sheet has a uniform absorbance under the formation layer of the invisible printed matter, and has the same optical characteristics as when the background is solid color.
  • 3A to 3C show an embodiment of a paper sheet with an invisible printed material according to the present invention.
  • the paper sheet with the invisible ink print shown in Fig. 3C has a raw cloth 61, a visible print layer 62 with a butterfly pattern printed on the visible ink, a visible light transmission / invisible light absorption layer 6 3, and the invisible bar code printing layer 6 4 force.
  • the invisible bar code printing layer 64 is a layer on which the invisible bar code is printed, and the invisible bar code reader is provided here. Read the bar code.
  • the visible light transmitting / invisible light absorbing layer 63 3 transmits visible light
  • the visible print layer 62 is visible.
  • the visible light transmitting / invisible light absorbing layer 63 uniformly absorbs invisible light such as ultraviolet rays and infrared rays at a high rate, the printing of the underlying material, the absorbance of the paper sheet material, and the like.
  • the secondary light from the printed material of the invisible barcode printing layer 64 is output without being affected by the difference in the absorbance of the printing on the back surface. This makes it possible to read the invisible bar code with high reliability.
  • the visible light transmitting / invisible light absorbing layer 63 transmits visible light to the underlying visible print layer 62 so as to be visible, while absorbing invisible light such as ultraviolet rays and infrared rays. Is formed by applying various materials having properties
  • FIG. 4 is an enlarged sectional view of FIG. 3C.
  • the first print ink 71, the second print ink 72, and the third print ink 73 have different ultraviolet light absorbance levels.
  • the visible light transmissive / invisible light absorbing layer 63 as an ultraviolet cut coat well absorbs ultraviolet light, which is excitation light of a fluorescent ink, and transmits visible light.
  • a UV cut coat 63 is printed on the printing ink layer 71 to 73 on the printing surface 62 with a solid color, and an invisible bar code 64 is printed on that layer.
  • UV reflection of paper, optical brightener, printing Eliminates the noise of the fluorescent signal of invisible barcodes due to the effects of differences in UV absorption of light.
  • this paper sheet By cutting ultraviolet rays, this paper sheet also has the effect of preventing deterioration of paper and color printing.
  • the UV cut coat 63 is used to improve the S / N ratio (signal noise ratio) of a single code, to prevent discoloration of the underlying printed surface, It has the effect of preventing yellowing of paper and increasing the degree of freedom of the underlay printing design. Therefore, it is effective to provide the cut coat layer between the base material and the invisible printing layer.
  • the material of the visible light transmitting / invisible light absorbing layer 63 has a light transmitting property with respect to visible light, but has an invisible condition, for example, an invisible bar code. Due to the combination with the damper, there are two types, one that absorbs infrared light and the other that absorbs ultraviolet light.
  • Acrylic resin for example, methyl methacrylate
  • Examples of the ultraviolet light absorbing material are shown below.
  • the phenol layer coated with Zn0 has a visible light transmittance of 8.8% for visible light of wavelength 500 ram, and a wavelength of 350 rain, 38 O
  • the UV transmittance of IDID for UV light is 0% and 50%, respectively.
  • a material having OF ink permeability and sufficient transparency is an inorganic material, preferably ZnO.
  • an organic material is suitable for the gravure ink.
  • the thickness t 3 of the visible light transmitting / invisible light absorbing layer 63 shown in FIG. 3C is, for example, 2 to 3 m.
  • the thickness t 1 of the raw material 61 is about 80 to 100 m
  • the thickness t 2 of the visible printing layer 62 is 2 to 3 m
  • T4 is 2-3 m.
  • Figure 9 shows an invisible bar code on a single sheet of a book.
  • the example attached to 164 is shown, and the paper 164 is a part of a book on which information on music is printed. Line spacing
  • the invisible bar code 1 6 4 2, 1 6 4 3 is printed strongly on 16 4 1.
  • the visible light transmitting / invisible light absorbing layer 63 shown in FIG. 3C does not require the visible printed material under the visible light absorbing layer 63. It is not necessary to have light transmittance and it is only necessary to have invisible light absorption. Alternatively, it is formed by applying a material that does not have high visible light transmittance and has invisible light absorptivity to the space 41, that is, to the margin. That is, in the second embodiment, an invisible light absorbing layer may be formed instead of the visible light transmitting / invisible light absorbing layer 63.
  • Invisible mark reader 1 3 2 1 is invisible bar code
  • the invisible mark reader converts the invisible bar code 1 21 a into an electrical signal, and CPU
  • the CPU 1311 retrieves the information corresponding to the input invisible bar code by searching the contents of the CD-ROM 13 22 to extract the information corresponding to the invisible bar code.
  • C D — R O M 1 3 2 2 stores the search information of the book that the user is reading.
  • the CPU 1311 displays this information as text information, image information via the CRT display 13 22 3. And perform a process that can be displayed. Further, if the retrieved information includes sound data, the CPU 131 sends the sound to a sound output processing device.
  • the sound signal is processed at 1319 and the sound is output via the speaker 1324.
  • the search processing and the information output operation for one invisible bar code of the CPU 1311 are completed. According to the method described above, users can read necessary information as text, images, and sounds while reading books. I can do it.
  • an invisible mark 42 is placed on the character, for example, "CLAVIA". You may.
  • a visible light transmitting / invisible light absorbing layer 63 having a property of transmitting visible light and a property of reflecting invisible light is applied.
  • the invisible bar code is used as the invisible mark.
  • the bar code type mark is always used.
  • the invisible mark input means 2 can read, for example, a matrix such as an OCR character or a Vericode data code. Code or a two-dimensional code such as a Stacked Barcode such as FDF 417. I can do it.
  • the transmission / invisible light absorbing layer 63 may be applied.
  • the SN can be improved and the invisible printed matter can be read with high reliability without being affected by the surrounding conditions of the invisible printed matter.
  • the present invention can be applied to a wide range of fields that make use of the characteristics of invisible printed materials without imposing excessive conditions on the reading device. Further, according to the paper sheet with invisible printed matter of the present invention, it does not affect the arrangement of the original information described on the paper sheet, the visibility, etc., and the user needs it. You can specify the search target.
  • Visible light transmission ⁇ Invisible light absorbing material of the present invention increases the degree of freedom of the underlying printing design.
  • the visible light transmitting / invisible light absorbing material of the present invention it is possible to prevent the fading of the underlying printing surface and the yellowing of the paper.
  • Printed matter printed with an invisible ink such as a transparent fluorescent ink
  • an invisible ink such as a transparent fluorescent ink
  • the printed state can be inspected with the naked eye. It also has the disadvantage of not being. Or, there is a problem that it becomes difficult to handle it.
  • the inspection is usually performed using a device that irradiates the invisible bar code with invisible light such as ultraviolet light and detects the fluorescent light.
  • invisible light such as ultraviolet light
  • it is difficult to efficiently inspect a large number of invisible barcodes.Visible print inspection equipment will be large-scale and the inspection process will be complicated. There is a problem.
  • a printing method and an invisible ink used therefor which can be visually recognized by the naked eye up to the point of inspection after printing and become invisible after the inspection is completed.
  • the purpose is to provide.
  • an invisible printed matter that can be made invisible by erasing the printed portion after performing color printing with the invisible ink.
  • An invisible ink containing a decolorizable colorant in a pigment shows the visible state of the decolorizable colorant as a dye, and performs operations for decolorization, such as near-infrared light. It has the property that the coloring disappears irreversibly by operations such as irradiation.
  • the printed matter can be visually recognized with the naked eye. Then, by performing an operation for decoloring, the colored state is changed to a colorless state, and only the original invisible mark is obtained.
  • a normal visible print portion is printed on the web.
  • a visible light transmitting / irradiating light absorbing layer is printed on the visible printing layer.
  • This visible light transmission / irradiation light absorption layer is the mark of the visible printing part It allows visible light to pass so that the printed contents can be seen with the naked eye, but has the property of absorbing the illuminating light in order to ensure the reading of the transparent fluorescent bar code printing section.
  • the transparent fluorescent barcode printing section 113 is printed in the margin, and the optical brightener contained on the printing surface of the paper is diluted or completely contained. If not, it can be omitted.
  • a transparent fluorescent bar code printing layer is continuously printed on the visible light transmitting / irradiating light absorbing layer using a numbering device.
  • Step S03 a transparent material containing trace amounts of the decolorizable colorant IR820B and a small amount of an organic boron ammonium salt was used.
  • a transparent fluorescent barcode printing layer is printed using a fluorescent ink, the barcode becomes blue and is visible to the naked eye.
  • the transparent fluorescent bar code printing section of the transparent fluorescent bar code printing layer is verified as a visible bar code using a conventionally existing verification unit.
  • the transparent fluorescent barcode printing section measures the absorption of red light emitted from the semiconductor laser light source. Verification can be performed using a device that verifies ordinary printed matter.
  • the barcode printing section is irradiated with near-infrared light of about 825 nm to remove the blue coloring.
  • a device using a halogen lamp, a light-emitting diode, a semiconductor laser, or the like may be used to irradiate the near-infrared light. Can be applied. P-126 Thus, a bar code that cannot be directly recognized by the naked eye is completed in the bar code printing section.
  • UV Ultraviolet drying
  • the decolorizable colorant is not limited to the above-mentioned IR8oooo20B, and other decolorizable colorants equivalent to IR820B are, of course, decolorable. By performing the coloring operation, it is possible to use one that loses the color irreversibly.
  • Figure 8 shows the test bars at equal intervals on both sides of the imprint of the lower printing plate 72-Code 1 1 2 0 1 to 1 1 2 1 0
  • the bar code 1 for verification is the same as the bar code on the plate printed in the same printing state as the bar code on the plate 1 1 2 1 to 1 1 2 9 1 2 0 1 to 1 1 2 1 ⁇ ,
  • the method of verifying the transparent fluorescent bar code can be performed in various other forms.
  • the invisible print containing a small amount of the decolorable colorant of the present invention is not limited to the above-mentioned ones, and can be applied to various other invisible prints.
  • other code that uses invisible barcodes As an example, it may be used as an electronic key of a hotel, as described above as an example of the prior art.
  • the invisible bar code the bar code for POS is replaced with an invisible bar code, or an invisible bar code is attached near a product photograph of mail order. It can also be used to identify product purchases.
  • Still other examples include the ability to sign in a personal authentication card with an invisible ink or to print a figure with an invisible ink.
  • invisible pigments and decoloring are applied to the toner of an electrophotographic printer.
  • An invisible toner may be produced by mixing a neutral coloring agent.
  • a printing press is equipped with an in-line electronic photography unit, and the invisible bar code described with reference to Fig. 10 is printed in color and then erased. Be transparent. Alternatively, print the invisible barcode in color on a separate electrophotographic printer, and later erase it and make it transparent.
  • the printer can be equipped with a barcode verifier.
  • the non-essential pigment and the decolorizable colorant may be applied to the ink ribbon type printer ribbon to manufacture the printer ribbon.
  • a small number of invisible bar-co-labels etc. are printed in color by a dot-impact or thermal-type rebon printer, and then erased and made transparent later. . to this Thus, the printed state of the printed invisible barcode can be constantly checked to make it transparent.
  • barcode reading devices are used in various fields, including POS.
  • the code in P0S etc. is such that humans can visually recognize its existence, but human Rj cannot directly see its existence.
  • a device for reading the bar code, that is, an invisible (invisible) bar code, has also been developed.
  • the invisible barcode is first used to prevent counterfeiting by attaching an invisible barcode to printed securities such as stock certificates and other securities that have the character of a voucher, and to traffic coupons. It has been proposed that it be used.
  • Invisible barcodes are expected to be used in a wide range by taking advantage of being invisible, while invisible barcodes are required.
  • the problem is that it is not possible to see the location and position of the search object.However, as shown in Fig. You do not need to consider it because you will be able to see the barcode. However, if there is a mixture of things to be searched, such as when searching for characters in a sentence, it becomes difficult to identify them. Therefore, as shown in Fig. 9, an invisible bar code is placed between the characters immediately below (or several lines below) the character string, and the character string is displayed as shown in Fig. 1 ⁇ and the figure. 11 Marking such as (*) or underline as shown in 1 so that the search target can be specified.
  • the position of the mark may be at the back or below the string, but it is also necessary to attach a pointer for alignment to a part of the reader and use this pointer.
  • the mark and the mark on the print may be combined so that the invisible bar code can be accurately located.
  • One or more of these marks can be wrapped around the string, and to localize the leader, reduce the number of strings as shown in Figure 10. It is advisable to sandwich it between two marks, or to attach the underline so that it overlaps the line of the pointer.
  • an area for placing an invisible bar code in another margin is provided as shown in Fig. 11
  • a mark that identifies the search target that is common to both the and the area may be added.
  • the present invention relates to an invisible mark such as an invisible bar code.
  • an organic compound information provision system that combines the invisible mark and the multimedia system is proposed. The purpose is to provide.
  • the present invention provides an invisible mark on a multi-media medium such as a CD-R0M two-dimensionally with respect to the contents of a sheet such as a book.
  • the obtained information is used as search means.
  • the information on the paper sheet on which the information is printed is searched for in the line space near the print character string or in the margin immediately below.
  • a sheet with an invisible mark printed with a transparent invisible mark corresponding to the information to be searched is provided.
  • a marking similar to a marking attached to a print character string for retrieving information on a paper sheet on which information is printed is provided.
  • a sheet with an invisible mark printed with a transparent invisible mark is provided.
  • an invisible mark provided by fusing the above-described paper leaf with an invisible mark to a multi-media system to provide organic composite information.
  • a multi-media system using paper sheets will be provided.
  • FIG. 15 shows the configuration of a paper sheet with an invisible mark and a multi-media system using the paper sheet according to one embodiment of the present invention.
  • the multi-media system is composed of a computer system 1310 using a computer, etc. It is.
  • the computer system 1310 is composed of a computer body (CPU) 1311, a bus 1312, and a bus
  • I / F 13 13 has an invisible macro reader 13 21 connected to it. Also, I Z F
  • a sound output processing device 13 19 is connected to the bus 13 12, and a speaker 13 24 is connected to the sound output processing device 13 19.
  • FIG. 15 does not show the paper sheet 121 shown in FIG.
  • the correspondence relationship with the multi-media system using the invisible-marked paper sheet shown in Fig. 14 shows that the invisible mark input means 1 2 2 force ⁇ invisible mark clear 1 2 3, I / F 1 3 13 and CPU 13 1 1, and information search means 1 2 3 and search information output processing means 1 2 5 are CPU 13 1 1 1 2 4 Power ⁇ CD —: ROM 1 3 2 2, and display 6 is a CRT controller 13 18 And a CRT display 1323.
  • the sound output device 127 is composed of a sound output processor 1319 and a speaker 1324.
  • Fig. 12 shows the configuration of the invisible mark reader 1321 shown in Fig. 15.
  • the invisible mark reader 1321 includes an optical system 210 and a signal processing unit 215.
  • the optical system 1 3 2 1 0 has a light source 2 1 2 and a light source 2 1 2 that project ultraviolet light onto the invisible mark 1 a of the sheet 1.
  • the signal processing unit 215 amplifies the signal converted into an electric signal by the image sensor 214, and performs waveform shaping. It has a waveform shaping circuit 217, a binary processing circuit 218 that binarizes the waveform-shaped analog signal, and a code conversion circuit 219. .
  • FIG. 9 shows a part of a paper sheet 1640 according to the first embodiment of the present invention.
  • This paper sheet 164 ⁇ is a part of a book on which information on music is printed, and the invisible barcodes 166, 166 It is printed.
  • Users of the Manoreci Media System (book readers) are shown in Figure 15 Read the book at the library, for example, in the department where the computer system 1610 is located.
  • a reader reading the second book might say, "If you want to know more about Club J, the invisible bar code 1642, That is, the blank space below the “clavier” character, and the invisible bar code 1643 when you want to know about the “third chord”, that is, Then, touch the invisible mark reader 1 6 2 1 on the blank area below the word "third chord” and press the input button.
  • Step S 0 1
  • CPU 1311 inputs the contents of the invisible node — code 1642, that is, the data value displayed in binary.
  • the optical operation is performed based on the circuit operation in the invisible marker reader 1321 described above.
  • the invisible bar code 1642 is converted to an electric signal in the system 14210, and the code-converted signal is output in the i-th processing unit 144215.
  • This code conversion signal passes through the IZF 1313 of the computer system 1310, for example, into the CP ⁇ 1 311 1
  • the CPU 1311 responds to the interrupt and the invisible bar code-converted in response to the interrupt. Enter the contents of the code and store it in RAMI 317.
  • CPU 1311 checks the validity of the input invisible bar code content. If invisible bar code
  • the invisible mark reader 1 32 1 When the invisible mark reader 1 32 1 is operated while the 16 4 2 is only partially applied, the input bar code contents are not normal. At that time, the CPU 1311 outputs an error character to the CRT display 1332 via the CRT controller 1318, and terminates the operation. The user of the multimedia system sees the error message displayed on the CRT display 13 2 3 3 and again checks the correct invisible mark clear. The operation of D1321 is performed.
  • the CPU 1311 searches the contents of the CD-ROM 13 22 to extract information corresponding to the input invisible bar code.
  • CD-R0M1 32 2 2 stores search information on the contents of the book being read by the user.
  • the information stored in the ROM 132 is text information, image information, or information about sound information.
  • the CPU 1311 displays this information on a CRT.
  • Signal processing is performed on the signal form that can be displayed as character information and image information via the device 13 23.
  • advanced image information processing for example, when the compressed form stores the image information, the image data is decompressed when the image data is displayed.
  • 1311 does not perform the processing on its own, and may operate an image processing processor (not shown) and display it on the CRT display 1323. Good.
  • the CPU 1311 executes the sound signal processing in the sound output processing device 1319 and causes the speaker 1324 to perform the sound signal processing.
  • Sound output via the As the sound output for example, the user can display the invisible bar code 1643 of the paper sheet 1604 in the invisible mark reader.
  • the search process and the information output operation for one invisible node and one code of the CPU 1311 are completed.
  • the output form of the search result information is image data
  • they can also be output as sound and video information. For example,
  • the CPU 1311 operates a video tape playback device (not shown) based on the search information from the CD-ROM 1332 and plays the club and the player.
  • the appearance of the club and its playing method are displayed in the image, and the sound is output via the speed of the TV receiver.
  • the user can know necessary information as characters, images, and sounds while reading the book.
  • the problem caused by the invisible barcodes 1642 and 1643 being invisible is as follows. There is a problem of the user's judgment whether or not the information they want to know is the search target. Therefore, the error character display format in step SO8 described above resulted in an error because the invisible bar code was partially displaced. In this case, the message “Prompt for selection again” is output, and if no bar code is read, the message “No bar code” is output. You may. This allows the user to Even if you operate the invisible mark reader 1 3 2 1 without any assumption about whether or not there is a search target, if the specification is a search target, you can still obtain the necessary information. Wear .
  • FIG. 11 shows a second embodiment of the paper sheet of the present invention.
  • This paper sheet 1850 indicates a part of an English-language book, and the presence of the search target is indicated by the symbol ⁇ 1851 in the sentence, which is indicated by reference numerals 1854 to 1856. This is indicated by the marked *, * ⁇ , ***. Then, the invisible bar code of the search target 1 857 7
  • the invisible bar code ** in footnote 1852 is specified by the invisible mark reader 1321, the day of "aple pol isher"
  • the meaning of the language, its etymology and example sentences are displayed on the CRT display 13 2 3 with great power.
  • the pronunciation of the word to be searched is spoken.
  • One to four is output.
  • This example does not use much space for footnotes 52 and is not limited to the space for footnotes, compared to the description method used in conventional book footnotes. Information can be provided.
  • the footnote even if the description of the footnote is long, it is stored on a recording medium such as a CD-ROM and searched as needed, so that it can be printed on a book. Reduce the information, read books, and more. It can be cut.
  • FIG. 10 shows a third embodiment of the paper sheet of the present invention.
  • the paper sheet 1640 of this embodiment is a mixture of the paper sheet of FIG. 9 and the marking of the paper sheet of FIG. 11.
  • the reader can easily recognize the presence or absence of the search target, and can accurately specify the search target.
  • Marks indicating the presence or absence of this search target include the above-mentioned *, +, @, etc. Can be used. These marks themselves do not take up space, so the paper does not look much less obtrusive o
  • there are invisible barcodes in the text The * mark that indicates this is only shown on the English shoulder, and it is not noticeable because it does not require a footnote number etc. as in the past .
  • the invisible barcode is used as the invisible mark.
  • a mark of any pattern readable by the invisible mark input means 122 can be used, such as an OCR character or a two-dimensional code.
  • FIG. 14 In configuring a multimedia system using the paper sheet with the invisible mark of the present invention, there is a configuration shown in FIG. 14 or FIG. 15. Or, it is not limited to the case where it is installed in a library.
  • the display device 236 is not limited to the CRT display device, and may be a display device such as a liquid product display device.
  • Various sound output devices can also be applied to the sound output device 2370.
  • search information storage medium that is, the case where CD-R0M is used as the information storage means 234, has been exemplified, Interactive storage media such as CDI, as well as other information storage media, may be used.
  • the paper sheet of the present invention it is possible to specify a search object required by a user without affecting the arrangement of original information described on the paper sheet and its visibility. You can do it.
  • the paper sheet of the present invention with a multi-media system, in addition to the character and graphic information described on the paper sheet, the information can be transmitted via a TV or the like. You can obtain visual and audible multi-information.
  • the search system based on the invisible bar code described above can be applied as a reservation ordering system using communication means such as a telephone line.
  • FIG. 17 shows the configuration of an embodiment of the present invention as a reservation ordering system using a telephone line according to the present invention.
  • An invisible bar code printed on the catalog with invisible bar code 17 1 is read by the reader 17 2 and an information processing means (multi-media) having a communication function is read. Terminal display power s) 1 7 3 to capture the data.
  • the data read is, for example, the reference number of an invisible bar code attached to the equipment to be reserved or the product to be purchased.
  • the data read here is sent from the user side to the agency through M0 DEM 164, 165. This This is processed by the transaction information processing means 177 via the receiving means 176.
  • search means 178 and storage means 179 to search for information and send ⁇ MODEM 175, 1
  • the search information is sent to the user-side information processing means 173 via 174.
  • the digital audio signal output is sent to the user via the audio signal output means 1710 via the same route as the transmission means 1711. It is sent to the information processing means 17 3.
  • M0DEM174 and 175 can be omitted.
  • the information sent back to the information processing means 173 can be confirmed on the screen display 171 and the audio output 173.
  • the application input button (not shown).
  • the information processing means 173 corresponds to the invisible bar code to the transaction information processing means 177 via the M0 DEM 174, 175. Apply for purchase by specifying the code.
  • the transaction information processing means stores in advance the user's application account name, shipping address, debit account, etc., and makes an invisible bar code for specifying the reservation / purchase product. Reading After confirming the retrieval code, register the reservation and confirm the availability of stock, the expected delivery date, etc. After that, the target product number, availability of stock, scheduled delivery date, amount, etc. are transmitted to the information processing means 173 via MODEM174, 175. The user confirms the content displayed on the CRT display 1712 and presses the above input button to give the final purchase instruction.
  • the final purchase instruction is transmitted from the information processing means 173 to the transaction information means 177.
  • the purchaser can check the details of the desired product at home and at night or during the day via image data and audio data. In addition, it is possible to decide whether or not to make a purchase, and to give a purchase instruction while staying at home.
  • the user can obtain product information provided by the agency easily by communication, not only by limited information on paper such as catalogs. You can do it.
  • agents can almost completely automate these business-related tasks, and can improve accuracy by eliminating intermediary contacts. It has both advantages of being able to.
  • ID card magnetic stripes used for credit cards, banking cards, etc.
  • Electronic keys in which a predetermined magnetic mark is stored in a metal key used for a plastic card using a lock, a security system, etc., and a semiconductor integrated circuit (IC ) are known, and memory cards with built-in semiconductor memory are known.
  • ID cards have relatively high security and are suitable for long-term use.However, applications that are not used for a very long time, for example, As for ID capabilities such as accommodation at hotels and use of rental villas, the ID capabilities described above have the following problems and are not practical.
  • a plastic card using a magnetic stripe the magnetic stripe part is affected by a strong magnet, and its magnetization content is changed, making it unusable. Sometimes .
  • a plastic force plate using a magnetic stripe uses a plastic for the base material, and a magnetic stripe is applied on the back surface, so that the material can be used. The price will be higher from the viewpoint of price and processing cost.
  • I C force memory is more expensive.
  • a metal key is used for the use of a hotel, but as a countermeasure, such as when the key is duplicated maliciously, the entire door key is removed. I have to change it. Frequently, it is unfavorable for crime prevention because users have the habit of taking the key home to commemorate their stay.
  • this application has a certain degree of security and personal recognition in a relatively short period of time, such as a hotel, and is difficult to duplicate, extraordinarily pleasing.
  • the purpose is to provide an inexpensive authentication card.
  • the present invention can easily issue such an authentication card with immediacy, use it as authentication, and easily delete it with immediacy after use.
  • the purpose is to provide a suitable authentication system.
  • the authentication code of the present invention uses a transparent and invisible mark for authentication, it cannot be seen with the naked eye and cannot be copied electronically, so security is not secured. Is high.
  • FIG. 20 shows the system configuration of an embodiment of the authentication system of the present invention.
  • This authentication system is used as an embodiment of the present invention.
  • the ID card 2488 can be used as a hotel's electronic key and a credit card in the hotel.
  • the authentication code registration device 2 4 10 and the authentication code deletion device 2 4 3 0 are placed on the front of the phone and use ID issuance And erase it.
  • the authentication device 2440 is a pipe from the first terminal device 2450 to the third terminal device 2470. Control.
  • the first terminal device 245 is used as an access control device in a room in a hotel.
  • the second terminal device 2460 is used as a checkout device in a store in the hotel, and the third terminal device 2470 is used in a restaurant in the hotel. It is used for the use settlement device.
  • the second terminal device 2460 and the third terminal device 2470 can use the ID card 2448 of the authentication card of the present invention as a hotel.
  • it is also used as a usage management device when used as a credit card in a hotel.
  • Fig. 18 ⁇ shows a plan view of the ID card 2480 used in the above-mentioned authentication system
  • Fig. 18B shows a cross-sectional view taken along line Y-Y in Fig. 18A.
  • the use ID input 2480 has a base material 25080a made of paper, and a printing layer 2580b on the paper base material 250a.
  • the transparent layer 2580c of the transparent layer 2580c is adhered to a part of the printed layer 2580b. Further, as will be described later, finally, a transparent laminate processing layer 25080d as a protective layer is coated.
  • the transparent bar code 2582 is applied in the transparent bar code mark area 2581.
  • the transparent bar code 2582 is an invisible fluorescent light that is invisible to the human eye, and is drawn as a plurality of different codes for each sheet.
  • the print layer 2580b has the user name
  • the stay start date 258 6 is printed when the use ID card 258 0 is issued, and the stay end date 258 87 when the use ends. Is printed.
  • the map, address, telephone number, etc. of the hotel may be printed on the back of the base material 25080a.
  • Fig. 21 shows the configuration of a computer system 261, which realizes the authentication system shown in Fig. 20.
  • the computer system 26 1 ⁇ consists of a central control unit (CPU) 26 1 1 1, a bus 2 61 2, and a transparent board cordless drier IF circuit 2 6 13 and 26 14, Key control unit IZF circuit 26 15, ROM 26 16, RAM 26 17 7.
  • Hard disk drive (HDD) 26 18 Device control circuit 2619, CRT display 2620, transparent bar code reader 2621, keyboard 2622, date printing on card It has a laminate processing unit, a laminate processing unit, and a printer for printing receipts.
  • the registered content storage device 2420 is realized by the HDD 26 18.
  • Figure 27 shows an example of the first terminal device 2450, which is a user ID force operation device 27330 provided beside the door 274 of a hotel room.
  • the main components are a transparent reader 2651 and an unlocking / locking device 2652 shown in FIG. 26.
  • the user ID card operating device 2730 shown in Fig. 27 has a user ID card entrance 2731 and a green LED active lamp 2733 and Has red LED invalid lamp 2 7 3 4.
  • the reading operation of 258 is described. Referring to FIG. 22A or 22B, the operation of the authentication code registration device 2410, that is, the computer system
  • the ID card for ij is shown below the check-in paper as shown in Figure 18 1. 2 580 0 force ⁇ inserted.
  • the user signs on the check-in paper the user's name 25585 is transcribed to the ID card 25080 for ij.
  • the front clerk loads the user ID card 2580 to which the sign has been transferred into the transparent bar code reader 2621, and loads the keyboard 26 2 Operate 2 to set the transparent bar code reader
  • C P U 2 6 1 1 is a transparent bar code reader IF circuit
  • the transparent bar code 2 5 8 2 is read through the memory 2 6 13, the code is temporarily stored in the RAM 2 6 17, and the code power ⁇ HDD 2 6 1 Check to see if the code already registered is duplicated in step 8.
  • step S04 You can also omit this action because it is a confirmation to prevent duplicate code from being registered.
  • the CPU 2611 will execute the code corresponding to the transparent bar code 2 58 2 Register HDD to HDD 2 6 1 8 O o
  • the code registered in the second HDD 26 18 will be used for the hotel use management of the user in addition to the authentication described below.
  • Completion of the registration of the code to the HDD 2618 is displayed on the CRT display 2620.
  • the front desk staff takes out the usage ID card 2580 from the transparent barcode reader 2612 and outputs it to the printer for date printing on the card. Operate the keyboard 2 6 2 2 to operate the keyboard 2 6 2 2 to print the necessary information on the usage ID card 2 4 80.
  • the prints include the room number 2583 determined at that time and the stay start date 2586.
  • the above printing may be omitted, and the room number will not be actively printed for security purposes-_.
  • the printing process is performed on the usage ID card 2480 by performing lamination processing. Protection of transparent bar code 2582 You can take action.
  • the front desk staff gives the user the ID card 248 ⁇ which has been processed as described above.
  • the CPU 2611 is a user ID force operation device via a transparent card reader I / F circuit 2614 and a key control device I / F circuit 2615. Opening and unlocking of the transparent bar code reader 2 6 5 1 and door 2 7 4 0 in 2 7 3 0
  • the CPU 261 1 1 has the user ID card 2 480 issued by the user and the user ID card 2 480 can be used by the user having the issued user ID card 2 480. Waiting for the user ID input slot 2 7 3 1 of 0 to be inserted.
  • the CPU 2 6 1 1 is set to the transparent bar code reader 2 6 5 1 Transparent bar code 2 5 8 2 through Read.
  • the CPU 2611 registers the barcode corresponding to the transparent barcode 2 582 by the above-mentioned authentication code registering device 2410 and the HDD 26 6 18 Check whether it matches the code registered in 8.
  • step S2661 the opening and closing control operation of the door 274 is not performed.
  • the CPU 261 1 1 waits until the user ID card 2 480 is removed from the user ID card 2 7 3 1. This waiting is intended to prevent the user from leaving the user ID card 2480 at the user ID entry port 2731.
  • CPU 2611 If it is locked, CPU 2611 issues an unlock instruction to the unlocking / locking device 2652. As a result, the user can operate the knob of the door 274 ° to enter the room.
  • CPU 261 1 When the key is in the unlocked state, CPU 261 1 issues a lock instruction to unlock Z lock device 2 652. This allows the door
  • the 2740 key is locked.
  • the user can use the use ID card 2480 as an electronic key for entering and leaving the hotel room.
  • a transparent bar code reader similar to the transparent bar code reader 2621 is installed in restaurants, shops, etc. The amount used and the amount used are stored in the HDD 2618 based on the above code.
  • the front desk staff When checking out, the front desk staff will use the user ID card 2480 as a depositor, and the front desk will be transparent. Enter the barcode reader 2621 and operate the keyboard 2622 to start the erasure process.
  • the transparent bar code reader 262 1 reads the transparent bar code 258 2.
  • CPU 2 611 is the usage status of the user, that is, the rank of the hotel room, the number of days stayed, the usage status of the shops in the hotel, the usage status of the restaurant. Calculate the fee by referring to the usage data of the HDD 26 18 that is stored. The fee is displayed on the CRT display 2620 and printed as a receipt on the receipt printing printer 2625.
  • the front desk staff sets the user ID password 2480 on the date printing printer 2632 and ends the stay 258 Let 7 print the end date of its use -ao
  • this printing is the ID of the user who is using the ID 248 280 ⁇ Power that has already been used and that has the meaning of commemorating the user's stay. You may omit this process. Step S25, S26
  • the front desk staff will send a date to the force
  • the ID card 2480 ′ for the ij can no longer be used effectively thereafter.
  • the user ID card 248 ⁇ has a certain degree of security for a hotel electronic key and a credit card in the hotel. It can be used for a reasonable force.
  • This use of the ID card 2480 is a force that the transparent bar code 2582 cannot recognize with the naked eye, and cannot be easily reproduced.
  • the hotel can be issued immediately on the front of the hotel, has excellent promptness of issuance, and can be easily deleted on the front after use. The immediacy of the work.
  • This use of the ID card 2480 is more portable than a normal electronic key. Therefore, the user can always carry the hotel when going out of the hotel.
  • a map, telephone, etc. are printed on the back side, so their ability is also Fenghe IJ.
  • the base material 258a is made of paper and the printed layer 258b is adhered on top of it, printing or type / sine copying is performed. Is possible.
  • the ID card 2480 can be manufactured at low cost because of the above structure.
  • the ID card 2480 After using the ID card 2480, it can be distributed to the user to commemorate the use.
  • the printed part such as the hotel picture picture 258 8 and the hotel name 258 89 is different from the transparent bar code mark area 258 1 Although it is located at the position, it can be overlaid at the same position. As a result, many information areas can be secured in the ID card 2480 used.
  • the transparent bar code 258 2 can be heat-transferred and printed using, for example, a pigment for a transparent invisible mark. .
  • steps S03 and S04 in Fig. 22A are not required.
  • the authentication capability and the authentication system of the present invention are not limited to the above example, and may be used as an authentication card requiring a certain amount of security in a relatively short time. It can be used for various other purposes.
  • the authentication card of the present invention can be used as an authentication card for a meal voucher of a company employee.
  • the authentication card of the present invention is not limited to the form shown in FIG. 18A, and may be configured as various other cards having a transparent invisible mark. Wear .
  • the analysis includes the number of visitors to the exposition or amusement park, the time of day, and the state of entry into the buildings in the venue.
  • an identification card and an admission control system which are durable for relatively short periods of use in exposition halls, amusement parks, etc., have an excellent appearance, and are inexpensive. O for the purpose of providing
  • a discriminating force provided with a transparent invisible fluorescent mark for admission identification provided on a paper sheet is provided.
  • an entrance management system using the above-mentioned discriminating power wherein a registration code corresponding to the transparent invisible fluorescent mark for discrimination is recorded.
  • a means for issuing an identification card having the transparent invisible fluorescent mark on a sheet of paper, and a transparent invisible mask provided at each of the entrances and having the issued identification power. Has a means for reading the mark, confirming its validity, and memorizing that it has entered the entrance section, and a means for calculating the total number of visitors to each entrance section.
  • a visitor management system will be provided.
  • the invisible fluorescent mark on the identification card is invisible to the naked eye and cannot be copied with zero force.
  • the strength of security is excellent in security.
  • FIG 23 shows the system configuration of one embodiment of the entrance management system of the present invention.
  • This admission control system uses the ID ticket 3888 as the embodiment of the discriminating power of the present invention shown in FIG. 24A.
  • This admission control system consists of an identification code registration device 381, a registered code storage device 3882, an identification code deletion device 3883, an identification device 3884, a statistical processing device 3 8 5 and,; To 3rd terminal devices 385 to 387.
  • the identification code registration device 3881 is installed at the entrance of the exhibition hall and issues the ID ticket 3888.
  • the ID ticket 388 can be used as a venue ticket and a credit card in the exposition hall.
  • the first to third terminal devices 3886A to 3886C are at the entrances of the respective exhibition halls (Pavilion or Theme Park) in the exhibition hall. Reads the ID ticket 388 that has been arranged and issued. The read result is input to the identification device 384, and the identification device 384 identifies the issued ID ticket 388.
  • the statistical processing device 385 performs statistical processing of the visitor identified by the identification device 384.
  • the identification code erasure device 388 is installed at the exit of the expo hall, and deletes the used ID ticket 388.
  • Fig. 24A is a plan view of the ID ticket 3888 used in the above admission control system
  • Fig. 24B is an ID ticket at the line Y-Y in Fig. 24A. A cross-sectional view of 388 is shown.
  • the ID ticket 3888 has a base material 3888a made of paper, and a print layer 3888b is applied on the base material 3888a.
  • a transparent bar code layer 3988 c is adhered to a part of the printing layer 3888 b, and the transparent bar code layer 3988 layer is provided. 388c is covered with a transparent laminated layer 388d as a protective layer.
  • Transparent bar code — Transparent bar code 3982 is applied in the docking area 3981.
  • the transparent bar code 39882 is an invisible fluorescent light that is invisible to the human eye and is drawn as a plurality of different bar codes.
  • the visitor signs the visitor name 3985.
  • the printed layer 3888b is printed on the visitor's day when the ID ticket 3888 is issued.
  • the map inside the exposition hall may be printed on the back of the base material 3 8 8a.
  • Figure 25 shows the configuration of the computer system 41010 that implements the entrance management system.
  • the computer system 4101 is a central control unit (CPU) 4101, a nozzle 4102, and a transparent laser codec IF circuit. 4 0 13 and 4 0 14, key control device I / F circuit 4 0 15, R 0 M 4 0 16. RAM 4 0 17, hard disk device (HDD) 4 0 18, display device control circuit 40 19, CRT display 40 20, transparent bar code — reader 40 21, keyboard 40 22, card date printing
  • the printer has a printer 402, a laminating unit 400, and a printer for statistics printing.
  • Identification code registration device 3 8 1 and identification code erasure device 3 8 3 Power ⁇ CPU 4101, bus 4102, transparent bar code reader IZF circuit 4 respectively ⁇ ] 3, ROM
  • Registered code storage device 3 8 2 is a hard disk device
  • Identification device 3 8 4 and statistical processing device 3 8 5 are CPU 4 11 1, bus 4 0 12, transparent bar code reader I / F circuit 4 0 1 4, key control device IZF circuit It is realized by 415, ROM 416 and RAM 417.
  • Fig. 41 shows an example of the first terminal device 3886A, an ID ticket operating device 4130 set at the entrance of a certain event venue, and a reception desk. It shows a data distribution device 4 1 4 2 provided above 4 1 4 0.
  • the transparent bar code reader 3961 shown in Fig. 40 is built in, and the ID card insertion port 4 1 3 1, Green LED active lamp
  • the material distribution device 414 in the reception desk 414 is equipped with a key operation device for taking out the material shown in Fig. 25. 4 0 6 2 Power ⁇ Built-in.
  • the operation of the identification code registration device 38 1 is mainly performed by the CPU in the computer system 410 1 ⁇ .
  • Visitors to the exposition site will proceed with the visit.
  • the visitor is an employee of the relevant company and has been invited in advance from the company exhibiting at the exhibition and has an invitation ticket. Person.
  • the visitor presents the invitation ticket to the reception at the entrance of the expo hall ⁇ 9 o
  • the receptionist selects a visitor's paper corresponding to the type of visitor and the corresponding ID card. Under the visiting paper.
  • the reception clerk transcribes the sign and prepares a transparent bar code
  • the ID ticket 3888 which has a transparent bar code 3982 attached to the work area 3981, is a transparent card reader.
  • the CPU 410 reads the transparent bar code 3982 via the transparent bar code reader IF circuit 4 13 and reads the code from the hard disk.
  • the code registered in this HDD 418 will be used for the identification described below and the visit management of the visitor.
  • Completion of the registration of the code to the hard disk drive 4-18 is displayed on the RT display 420.
  • the receptionist takes out the ID chip 3888 from the transparent bar code reader 4002, and then applies it to the card date printing printer 4023. Operate the key 4 0 2 2 to print out the visit day 4 ⁇ 8 6. This may be printed as Visitor Code 3983. o
  • the transparent color code should be used in advance.
  • the receptionist gives the ID ticket 388, which has been processed above, to the visitor.
  • the person who visited the exposition hall, the company name of the inviting party, and the visit time were displayed on the hard disk device. It is stored in 410.
  • the transparent bar code 3982 read by inputting 3888 is the object pre-stored in the hard disk device 41018, and is an authorized visit.
  • Distribution equipment
  • CPU 4101 is a transparent bar code reader I / F circuit
  • CPU 4101 is used by a visitor having an ID ticket 3888 to operate the ID ticket 3888 as an ID ticket operating device.
  • the CPU 4101 passes through the transparent barcode reader 4601. Read the transparent code 3982 in the ID ticket 388.
  • CPU 4111 is a bar code corresponding to the transparent bar code 3982 for the visitors who are allowed to enter the above-mentioned event venue. Check whether it matches the password.
  • the CPU 401 If they match, the CPU 401 is determined to be valid, and the valid lamp 413, which is the green LED of the ID ticket operating device 413, is turned on.
  • the CPU 4101 is a red LED and the disabled lamp 413 Is lit, and the process returns to step S11.
  • the control operation of the key operation device 4 062 of the data distribution device 4 1 4 2 is not performed via the key control device IZF circuit 4 0 15.
  • the CPU 4101 waits until the ID card input port 4131 is removed and the ID ticket 3888 is removed. In this wait, the visitor enters the ID ticket 38 88 with the ID card entry 4 This is to prevent you from leaving
  • the CPU 4 11 operates the key operation device 4 0 6 2 of the material distribution device 4 1 4 2 via the key control device I circuit 4 0 5 to visit it from the material distribution device 4 1 4 2. Allow the person to remove the material therein.
  • CPU 410 is the transparent bar code read above.
  • the ID card 388 is used for customer management. That is, since it is known to which customer (entry) the ID card 388 was issued at the time of reception, the customer's actions and the like can be performed one by one using the ID card 388 described above. It is recorded and can be used for customer behavior management at the venue, and the recorded information can be used as customer management information for the future. Wear .
  • the ID ticket 388 can be used as an ID card for permitting entrance to the event venue.
  • the ID ticket 388 can be used to record Zhu H3 ⁇ 4's visit to the venue.
  • the rest run has the same transparent bar code reader and keyboard as the above-mentioned transparent bar code reader 4002.
  • a computer is provided, and the micro computer is connected to the registered code storage device 2.
  • the transparent bar code reader reads the transparent bar code 3982 and stores the ID ticket in the hard disk unit 41018.
  • the statistical processing device 385 was activated, and the visitors visited the exhibition hall, toured each exhibition venue, The results of the visitor's use of the restaurant will be organized.
  • CPU 4101 deletes the code registered in the above-mentioned hard disk device 41018 for the ID ticket 3888. As a result, the ID ticket 3888 can be used.
  • the exit clerk hands the ID ticket 38 88 to the visitor. Visitors can take the ID ticket 388 as a memorial to the visit.
  • the statistics processing device 5 statistically processes visitors, time, and other data at the expo site, and prints a statistical printout. Output on evening 25. This enables automatic processing such as visitor analysis and payment for restaurant use. At this time, if the registration of all the tickets is deleted by 10%, the above-mentioned deletion step can be omitted.
  • the ID ticket 3888 shown in Fig. 24 was used for the tour of the exposition hall with a certain degree of security and for the rehearsal in the exposition hall. It can be used as a simple credit card.
  • This ID ticket 38 88 is excellent in carrying.
  • the printed part such as the photo of the exhibition hall 3988 and the transparent bar code mark area 3981 are separated. Although it was located at the 17th position, the transparent bar code area 3981 was not visible to the naked eye and did not become an obstacle, so it could be placed at the same position and the ID ticket A lot of information can be described in 388.
  • This ID ticket 3888 can be manufactured at low cost because of the above structure.
  • the transparent bar code 3982 can be heat-transferred and printed using a pigment for a transparent / invisible mark, for example.
  • the discriminating system and the entrance management system of the present invention are not limited to the above examples, and can be applied to various other uses.
  • an ID ticket similar to ID ticket 388 is issued as an admission ticket (passport), and a recreational place that can be used according to the purchase price etc.
  • the use of each recreation area for example, the number of entrances for adults and children, the time of day, You can perform statistical processing such as the current number of visitors and travel time.
  • the code number of the transparent bar code 3982 is changed for each type of ticket, so that the type can be distinguished.
  • Such a pass is a one-day unit, and the transparent bar code 3982 can be repeated from the same number every day. Good.
  • the above-mentioned identification ticket can be widely used as an authentication card.
  • the authentication card of the present invention is not limited to the form shown in the figure, and may be configured as various other powers having a transparent / invisible fluorescent code pattern. I can do it.
  • the authentication card is not limited to a bar code, but may be a two-dimensional code, a number, or any other character or symbol. You can do it.
  • Inorganic fluorescent pigment GOF manufactured by Nemoto Special Chemical Co., Ltd., ⁇ : ⁇ , average particle size : 1.4 ⁇ m
  • 40 parts by weight was placed near the wavelength of 365 nmra, which is the fluorescence excitation light of this pigment.
  • Fig. 2 60 parts by weight of offset ink vehicle without prominent absorption (manufactured by The Inktech, VUS-BOF * image)
  • a transparent fluorescent ink having an emission peak at an emission wavelength of 5100 nra was prepared. The physical properties of the ink are shown below.
  • the measurement conditions are as follows.
  • Tack value Incomometer, 40 4 rpm, 32 V Flowability: Split meter, Load 1500 g Load of vehicle shown in Fig. 2 According to the spectral reflection characteristic data, the far-ultraviolet region below 2775 ⁇ has an absorption maximum, and the reflection intensity is extremely low at 27%.
  • This inorganic fluorescent pigment has no dispersibility in an offset ink vehicle having a hydrophobic pigment surface in the phosphor itself, and the pigment particle size is small. It approaches the limit value (2 to 4 mm) of the ink thickness for fset printing. Therefore, in order to prevent the formation of secondary particles, the particles are sufficiently pulverized into primary particles with a mill, and the surface of the particles is made hydrophobic (non- The coating process was performed to change the polarity.
  • a transparent fluorescent barcode was applied to upocoat paper (Oji Yuka VIF) at a speed of 120 m / min.
  • the offset printing NW-7.7 digits
  • Fig. 1 shows the measured data of the fluorescence spectrum (using a spectrofluorometer RF—500, manufactured by Shimadzu Corporation).
  • the relative fluorescence intensity with respect to the excitation light having a wavelength of 365 nm is shown. It shows the following. Curve A in FIG.
  • the invisible ink composition according to the present invention has a fluorescent intensity sufficient for practical use. This is due to the effect of using a material that does not have absorption in the region of 450 to 700 ⁇ as shown in Fig. 2 as a vehicle. It is believed that there is .
  • a vehicle was prepared in the same manner as in Example 1 except that benzophenone was added as a polymerization initiator to obtain an invisible ink composition.
  • the emission luminance of the bar code formed by this ink is the same as that of Example 1. In this case, it was observed that it decreased to 35% or less.
  • Example 1 fluorescent pigments having different particle sizes were prepared, various invisible ink compositions were prepared, and a transparent fluorescent bar code was printed in the same manner as in Example 1. Then, their fluorescence intensities were examined.

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Abstract

Composition d'encre invisible comprenant (a) un pigment fluorescent ne présentant pratiquement pas de zone d'absorption dans une zone de lumière visible, et (b) un véhicule transparent à la fois par rapport à une lumière d'une longueur d'onde susceptible d'exciter le pigment fluorescent, et à la lumière émise par le pigment fluorescent. L'invention se rapporte aussi à des imprimés obtenus au moyen de cette composition d'encre invisible. En outre, la présente invention se rapporte à un système d'application utilisant ces imprimés.
PCT/JP1992/000640 1991-05-17 1992-05-18 Composition d'encre invisible, imprimes invisibles et systeme d'application pour l'impression invisible WO1992020748A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP3/140588 1991-05-17
JP14058891 1991-05-17
JP27313991 1991-09-25
JP3/273139 1991-09-25

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WO1992020748A1 true WO1992020748A1 (fr) 1992-11-26

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PCT/JP1992/000640 WO1992020748A1 (fr) 1991-05-17 1992-05-18 Composition d'encre invisible, imprimes invisibles et systeme d'application pour l'impression invisible

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1261936B1 (fr) * 2000-02-07 2010-11-24 Giesecke & Devrient GmbH Procede et dispositif de personnalisation de cartes a puce
JP2011025506A (ja) * 2009-07-24 2011-02-10 Nippon Paper Industries Co Ltd はがきおよびその製造方法
JP2011025507A (ja) * 2009-07-24 2011-02-10 Nippon Paper Industries Co Ltd 宛先情報バーコードの形成方法
US11413755B2 (en) 2017-12-31 2022-08-16 Sarcos Corp. Covert identification tags viewable by robots and robotic devices

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5280906A (en) * 1975-12-26 1977-07-07 Hitachi Ltd Water marked paper
JPS52138199A (en) * 1976-05-14 1977-11-18 Hitachi Ltd Recording paper
JPS57142386A (en) * 1980-12-23 1982-09-03 Gao Ges Automation Org Data carrier and its manufacture and use
JPS646085A (en) * 1987-06-30 1989-01-10 Mitsui Toatsu Chemicals Luminescent compound and ink composition and resin composition containing same
JPH0258190A (ja) * 1988-08-24 1990-02-27 Pioneer Electron Corp 印刷コードパターン形成方法
JPH03166276A (ja) * 1989-11-24 1991-07-18 Toyo Ink Mfg Co Ltd 紙用偽造防止印刷インキ
JPH03192169A (ja) * 1989-11-16 1991-08-22 Basf Lacke & Farben Ag 蛍光印刷インキ

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5280906A (en) * 1975-12-26 1977-07-07 Hitachi Ltd Water marked paper
JPS52138199A (en) * 1976-05-14 1977-11-18 Hitachi Ltd Recording paper
JPS57142386A (en) * 1980-12-23 1982-09-03 Gao Ges Automation Org Data carrier and its manufacture and use
JPS646085A (en) * 1987-06-30 1989-01-10 Mitsui Toatsu Chemicals Luminescent compound and ink composition and resin composition containing same
JPH0258190A (ja) * 1988-08-24 1990-02-27 Pioneer Electron Corp 印刷コードパターン形成方法
JPH03192169A (ja) * 1989-11-16 1991-08-22 Basf Lacke & Farben Ag 蛍光印刷インキ
JPH03166276A (ja) * 1989-11-24 1991-07-18 Toyo Ink Mfg Co Ltd 紙用偽造防止印刷インキ

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1261936B1 (fr) * 2000-02-07 2010-11-24 Giesecke & Devrient GmbH Procede et dispositif de personnalisation de cartes a puce
JP2011025506A (ja) * 2009-07-24 2011-02-10 Nippon Paper Industries Co Ltd はがきおよびその製造方法
JP2011025507A (ja) * 2009-07-24 2011-02-10 Nippon Paper Industries Co Ltd 宛先情報バーコードの形成方法
US11413755B2 (en) 2017-12-31 2022-08-16 Sarcos Corp. Covert identification tags viewable by robots and robotic devices

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