JPH11291610A - Intaglio latent image and forming method for the latent image - Google Patents
Intaglio latent image and forming method for the latent imageInfo
- Publication number
- JPH11291610A JPH11291610A JP11434498A JP11434498A JPH11291610A JP H11291610 A JPH11291610 A JP H11291610A JP 11434498 A JP11434498 A JP 11434498A JP 11434498 A JP11434498 A JP 11434498A JP H11291610 A JPH11291610 A JP H11291610A
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- image
- latent image
- line
- intaglio
- straight line
- Prior art date
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、曲画線及び直線万
線の集合模様に通常は肉眼では識別できない潜像を施
し、偽造及び変造防止を必要とする凹版印刷物におい
て、特定の角度のみから観察される潜像凹版及び複写機
により複写した場合に潜像が発現する複写防止効果を特
徴とする画線の作成方法及びその印刷物に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intaglio printed matter which usually has a latent image which cannot be distinguished by the naked eye, and which is required to prevent forgery and falsification. The present invention relates to a method for forming an image, which is characterized by an observable latent image intaglio and a copy prevention effect in which a latent image appears when copied by a copying machine, and a printed matter thereof.
【０００２】[0002]
【従来の技術】銀行券、切手及び諸証券等において、凹
版印刷は偽造及び変造防止策として重要な要素である。
これら印刷物の偽造、変造防止策は主に幾何学模様を多
様化した図柄をデザインに用いる方法と、印刷物に対し
何等かの手段と作用を加えると目視では確認できなかっ
た潜像を発現するような方法がある。前者の代表的な例
は、証券印刷物等のデザインに広く用いられている地
紋、彩紋模様、レリーフ模様等があり、後者の代表的な
例は潜像凹版、複写機で色が正常に再現されないような
機能性インキ、コピー防止画線等がある。しかし最近の
カラー複写機等の著しい普及に伴い、偽造、変造による
犯罪が増加する危険性を有しており、より一層効果の高
い偽造および変造防止策としての技術の開発が望まれて
いた。2. Description of the Related Art Intaglio printing is an important element in banknotes, stamps and various securities as a countermeasure against counterfeiting and alteration.
These counterfeiting and alteration prevention measures are mainly designed to use a design with diversified geometric patterns for design, and to produce latent images that could not be confirmed visually by adding some means and action to printed matter. There is a way. Typical examples of the former include tint block, color pattern, and relief pattern, which are widely used in the design of securities prints, etc.Typical examples of the latter include latent image intaglio and color reproduction with a copying machine normally. There are functional inks, copy-proof images, etc. that are not applied. However, with the recent remarkable spread of color copiers and the like, there is a risk that crimes caused by forgery or falsification will increase, and development of a more effective counterfeit or falsification prevention technique has been desired.
【０００３】前記の幾何学模様を用いる偽造、変造防止
策としては、地紋、彩紋模様、レリーフ模様等があり、
基本的に一定の画線幅による曲画線の集合によって模様
を構成しているものである。これらの模様は印刷の意匠
性を加味し、偽造、変造防止策を施すことができ、模様
を複雑にすることによって偽造物における同一の模様を
作製しようとするのを困難とし、写真製版装置による抽
出または複写機では再現されにくい色彩を用いたり、複
雑の曲画線にして複写機及びスキャナーの走査入出力に
対するモアレを発生させることで偽造防止策としての役
割を高めている。また、前記模様類は証券印刷物等のデ
ザインにおいて世界に広く用いられるのと同時に、銀行
券、株券、債券等の金銭的価値を有する印刷物の模様と
して古くから用いられ、現在でも一般的に高級感を印象
付けるデザインとして重要な模様となっており、銀行
券、株券、債券などの有価証券等の印刷において、地
紋、彩紋模様、レリーフ模様等はデザイン上欠かすこと
ができない模様となっている。しかし、最近では高機能
化した製版写真装置または複写機の出現によって十分な
偽造及び変造防止効果をもたらしていないという欠点が
ある。[0003] As countermeasures against forgery and alteration using the above-mentioned geometric pattern, there are a tint block, a colored pattern, a relief pattern and the like.
Basically, a pattern is constituted by a set of music objects having a constant image width. These patterns, taking into account the design of the print, forgery, countermeasures to prevent forgery, making it difficult to produce the same pattern in the forgery by complicating the pattern, using a photoengraving device The use of colors that are difficult to reproduce in an extraction or copying machine or the creation of moire for scanning input and output of a copying machine and a scanner by forming a complicated musical image line enhances the role as a counterfeiting prevention measure. In addition, the patterns are widely used in the design of printed securities and the like, and at the same time, they have been used for a long time as printed patterns having a monetary value such as banknotes, stocks, and bonds. This is an important design as a design to impress, and in printing of securities such as banknotes, stocks, bonds, etc., a background pattern, a color pattern, a relief pattern, etc. are indispensable in design. However, there is a drawback in that a recent forgery and alteration prevention effect has not been sufficiently brought about by the advent of highly sophisticated stencil making apparatuses or copying machines.
【０００４】また、前記の印刷物に対し何等かの手段と
作用を加えると、目視では確認できなかった潜像を現出
させるような方法の技術として、潜像凹版がある。代表
的な例として特公昭５６−１９２７３号公報があり、こ
の発明は、凹版印刷された万線に潜像となる画線部を高
い画線で構成し、その他の凹版画線の非画線部を画線部
より低い画線で構成している。このことにより、印刷物
を傾けると非画線部より画線部の方が早く、万線間隔が
画線の高さにより閉ざされ潜像が発現するものがある。
しかしこの方法では、万線方向からは潜像が発現せず、
万線に対して直角方向でしか発現しない。また、画線部
と非画線部との高さの差でしか潜像が発現しないため、
潜像が見える角度まで限定され、容易に潜像を確認でき
ない。また、画線の幅が均一で向きが異なることにより
潜像を発現さすものがある。しかし、この方法では、目
視により容易に潜像を形成する場所を確認できてしまう
という欠点がある。In addition, there is a latent image intaglio as a technique of a method of causing a latent image that cannot be visually confirmed to appear by applying some means and action to the printed matter. As a typical example, there is Japanese Patent Publication No. 56-19273, and the present invention relates to a method of forming an image portion serving as a latent image on an intaglio-printed line with a high image, and other non-images of an intaglio image. The part is constituted by an object lower than the object part. For this reason, when the printed matter is tilted, the image portion is faster than the non-image portion, and the line interval is closed by the height of the image, and a latent image is developed.
However, in this method, the latent image does not appear from the line direction,
It appears only in the direction perpendicular to the line. In addition, since the latent image is expressed only by the height difference between the image area and the non-image area,
The angle at which the latent image can be seen is limited, and the latent image cannot be easily confirmed. Further, there is a type in which a latent image is developed due to a uniform width of an image and a different direction. However, this method has a disadvantage that a place where a latent image is formed can be easily confirmed visually.
【０００５】また、特開昭６０−１５５４９２号公報
は、偽造防止画線の全面が異なる二つの高さを有する平
行な直線万線の多くの正方形または長方形の群で構成さ
れ、且つ、隣接する各群は交互に二つの所定の異なった
方向の画線で構成される、少なくとも二つ以上の隠し画
像を持つ偽造防止模様である。この方法では、各群ごと
に画線方向を変え、隠し画像を形成する画線と背景を形
成する画線に高低差を付けるが、画線幅を変化させずに
高さだけを変化させることは、非常に労力を要するもの
である。また、画線方向の違い等は、肉眼で容易に確認
することができる。また、ある方向及び角度から見る
と、二つまたはそれ以上の隠し画像が重なり合い非常に
見にくくなるという欠点がある。Japanese Patent Application Laid-Open No. 60-155492 discloses that the entire surface of a forgery prevention image is composed of a group of many squares or rectangles of parallel straight lines having two different heights and is adjacent to each other. Each group is an anti-counterfeit pattern having at least two or more hidden images, which are alternately composed of two predetermined differently oriented objects. In this method, the image direction is changed for each group to give a height difference between the image forming the hidden image and the image forming the background, but only the height is changed without changing the image width. Is very labor intensive. Also, the difference in the image direction can be easily confirmed with the naked eye. Also, when viewed from a certain direction and angle, there is a disadvantage that two or more hidden images overlap and are very difficult to see.
【０００６】また、前記の印刷物に対して何等かの手段
と方法と作用を加えると、目視では確認できなかった潜
像を発現さす方法として、複写防止画線と称する一連の
技術がある。この中の代表的なものに、特表平８−３０
００８００号公報がある。この複写防止画線は、オフセ
ット印刷の曲線状の集合模様に用いられている。また、
画線部の面積率と非画線部の面積率を同じにし、通常は
肉眼で識別できない潜像を施した印刷物及びその作成方
法により、複写防止による偽造及び変造を防止すること
を目的としている。しかしこの方法は、二次元の画線で
複写防止画像を構成しており、この画線を拡大してみれ
ばその原理が分かるため悪意のある偽造・変造者には容
易にまねをすることができる難点がある。[0006] When some means, method and operation are applied to the printed matter, there is a series of techniques called "copy prevention image" as a method for expressing a latent image which cannot be visually confirmed. The representative one of these is the Japanese Patent Publication No. Hei 8-30.
No. 00800. This copy prevention image is used for a curved aggregate pattern in offset printing. Also,
The purpose is to prevent forgery and falsification by preventing copying by making the area ratio of the image area and the area rate of the non-image area the same, and using a printed material with a latent image which is usually indistinguishable to the naked eye and a method for producing the same. . However, in this method, a copy-protected image is composed of a two-dimensional image, and if this image is enlarged, its principle can be understood, so that a malicious counterfeiter or falsifier can easily imitate it. There are difficulties that can be done.
【０００７】[0007]
【発明が解決しようとする課題】本発明は上述の点に鑑
みなされたもので、銀行券・切手及び諸証券類等のよう
な凹版印刷物に、三次元の画線により形成される曲線状
の集合模様及び直線万線の集合模様に、画線部と非画線
部の面積率を条件により変化させることを特徴とした、
非画線部と画線部との画線の高さ、画線幅及び長さを変
えることによりカムフラージュ等も必要とせず、目視で
は確認できない潜像を施し、また複写機による偽造及び
変造を防止する機能を付与するとともに、印刷物をある
一定の角度から見るとすべての方向から潜像を確認で
き、万線に対して上下方向から見れば白色の潜像、左右
方向から見れば黒色の潜像の出現により、製品の付加価
値の向上及び真意性の明確化とより高度な偽造及び変造
を防止する機能を有する凹版画線の提供を目的としたも
のである。SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and has been made in consideration of the above-described problems, and has been described in which an intaglio print such as a banknote, a stamp, and various securities is formed on a curved print formed by a three-dimensional image. In the set pattern and the set pattern of straight lines, the area ratio of the image portion and the non-image portion is changed according to the condition,
By changing the height, width and length of the image between the non-image area and the image area, no camouflage is required, and a latent image that cannot be visually confirmed is given. In addition to providing a function to prevent latent images, the latent image can be confirmed from all directions when viewing the printed matter from a certain angle, and a white latent image when viewed from above and below, and a black latent image when viewed from right and left. The purpose of the present invention is to provide an intaglio image having a function of improving the added value of a product, clarifying the meaning, and preventing a higher level of forgery and alteration by the appearance of an image.
【０００８】[0008]
【課題を解決するための手段】本発明の凹版潜像の作成
方法は、曲画線及び直線万線の集合模様を、潜像を施さ
ない部分の画線を連続線で、潜像を施した部分の画線を
基本直線方向に一定の間隔で配列された所定の形状から
なる定周期断絶線で構成し、前記潜像を施した部分の定
周期断絶線のうち、基本直線方向に連続した一つの画線
部と非画線部からなる一周期に相当する部分の画線面積
が、潜像を施さない部分の連続線のうち、基本直線方向
における前記一周期と同一の長さに相当する部分の画線
面積が異なる。According to the method of forming an intaglio latent image of the present invention, a latent image is formed by forming a set pattern of a curved image line and a line of a straight line, and forming an image of a portion where no latent image is to be formed by a continuous line. The image of the portion that has been formed is constituted by a fixed-period disconnection line having a predetermined shape arranged at regular intervals in the basic straight-line direction, and among the fixed-period disconnection lines of the portion where the latent image is applied, continuous in the basic straight-line direction. The image area of a portion corresponding to one cycle composed of one object part and a non-object part is the same length as the one cycle in the basic straight line direction among the continuous lines of the part where no latent image is applied. The image area of the corresponding part is different.
【０００９】更に、本発明の凹版潜像の作成方法は、前
記凹版潜像において、非画線部と画線部の画線の高さと
画線幅が異なる。Further, in the method for producing an intaglio latent image according to the present invention, in the intaglio latent image, the height and width of the image are different between the non-image portion and the image portion.
【００１０】また、本発明の凹版潜像は、凹版印刷画線
の直線万線の潜像を施さない部分の画線と潜像を施した
部分の画線の画線上の境界線が、基本直線と潜像の輪郭
線との交点において、前記基本直線に対し直角に交わる
直線となり、併せて、定周期断絶線上の画線部と非画線
部の境界線が、基本直線と定周期断絶線上の画線と非画
線部の境界線との交点において、前記基本直線に対し直
角に交わる直線となる。Further, in the intaglio latent image of the present invention, the boundary between the line of the unprinted line of the intaglio printed image and the image of the portion where the latent image is formed is basically the same as that of the image. At the intersection of the straight line and the contour line of the latent image, a straight line intersects at right angles to the basic straight line, and the boundary line between the image portion and the non-image portion on the fixed periodic disconnection line is the basic straight line and the fixed periodic disconnection. At a point of intersection between the object line on the line and the boundary line of the non-object portion, a straight line intersects the base line at right angles.
【００１１】また、本発明の凹版潜像は、凹版印刷画線
の曲画線の集合模様において、潜像を施さない部分の画
線と潜像を施した部分の画線の境界線を、潜像の輪郭線
と同一方向とし、定周期断絶線上の画線部と非画線部の
境界線を、基本曲線と関係なく一方向としている。Further, the intaglio latent image of the present invention, in a set pattern of curved intaglio printing objects, defines a boundary line between an object line on which a latent image is not applied and an image line on a portion on which a latent image is applied, The direction is the same as the contour line of the latent image, and the boundary between the image portion and the non-image portion on the periodic break is set to be one direction regardless of the basic curve.
【００１２】また、本発明の凹版潜像は、複写防止模様
である。Further, the intaglio latent image of the present invention has a copy prevention pattern.
【００１３】また、本発明の凹版潜像を施した凹版印刷
物である。The present invention also provides an intaglio printed material provided with the intaglio latent image of the present invention.
【００１４】[0014]
【発明の実施の形態】本発明の凹版画線形状は、潜像を
施さない部分の画線は連続線で、潜像を施した部分の画
線を定周期断絶線で構成し、潜像を施した部分の定周期
断絶線のうち、基本直線方向に連続した一つの画線部と
非画線部からなる一周期に相当する部分の画線面積が、
潜像を施さない部分の連続線のうち、基本直線方向にお
ける前記一周期と同一の長さに相当する部分の画線面積
とが異なり、画線の高さ及び画線幅も異なるにもかかわ
らず、通常の状態では、目視による潜像の識別はできな
い。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The intaglio printing object shape of the present invention is such that the printing object in the part where the latent image is not applied is a continuous line, and the printing object in the part where the latent image is applied is a periodic periodic disconnection. Of the fixed-period discontinuity of the part subjected to, the object area of the part corresponding to one cycle consisting of one object part and non-object part continuous in the basic straight line direction,
Although the image area of the portion corresponding to the same length as the one cycle in the basic straight line direction among the continuous lines of the portion where the latent image is not applied is different, and the image height and the image width are different, In a normal state, the latent image cannot be visually identified.
【００１５】更に、本発明の画線構成を有した印刷物を
複写機により複写すると、複写機の解像力から、潜像を
施さない部分の連続線はそのまま再生され、潜像を施し
た部分の定周期断絶線は再生されないため、複写物を肉
眼で観察した場合、潜像を施さない部分と潜像を施した
部分に濃度差が生じ、潜像が発現する。Further, when a printed matter having the image configuration according to the present invention is copied by a copying machine, continuous lines of a portion on which no latent image is formed are reproduced as it is, and a portion of the portion on which the latent image is formed is determined from the resolution of the copying machine. Since the periodic discontinuity is not reproduced, when a copy is observed with the naked eye, a density difference occurs between a portion where the latent image is not applied and a portion where the latent image is applied, and the latent image appears.
【００１６】更に、本発明の画線構成を有した印刷物を
一定の角度から見ると、潜像を施さない部分の画線は、
画線間隔が画線の高さにより閉ざされるため全体に黒く
見え、潜像を施した部分は潜像を施さない部分の画線に
対して直角の直線となる画線構成から、黒く見える部分
は画線幅のみとなり、印刷用紙が浮き上がる形で全体が
白く見えるため、潜像を施さない部分の画線と潜像を施
した部分に濃度差が生じ、凹版潜像が出現する。Further, when the printed matter having the object construction according to the present invention is viewed from a certain angle, the object in the portion where no latent image is formed is
Since the image interval is closed by the height of the image, the image looks black as a whole, and the part where the latent image is applied is a straight line perpendicular to the image of the part where the latent image is not applied. Is only the image line width, and the whole appears white as the printing paper floats. Therefore, a density difference occurs between the image line in the portion where the latent image is not applied and the portion where the latent image is applied, and an intaglio latent image appears.
【００１７】このように、通常目視ではまったく潜像を
確認できない凹版画線において、複写機による偽造及び
変造を防止する機能を付与するとともに、印刷物の特定
の角度のみから観察される潜像凹版により製品の付加価
値の向上及び真意性の明確化と偽造及び変造に対する抵
抗力をより一層、強めることが可能となる。As described above, a function of preventing forgery and falsification by a copying machine is provided to an intaglio image in which a latent image cannot be confirmed by visual inspection at all, and a latent image intaglio observed only from a specific angle of a printed matter is provided. It is possible to improve the added value of the product, clarify the meaning, and further enhance the resistance to forgery and alteration.
【００１８】[0018]
【実施例】本発明の凹版印刷による偽造防止画線の画線
構成を図によって説明する。本発明の画線構成による凹
版画線は、図１に示すように潜像を施さない部分の画線
を（１）・（３）のような連続線、潜像を施した部分の
画線を（２）・（４）のような定周期断絶線で構成して
いる。この図から、潜像を施さない部分の画線と潜像を
施した部分の画線の画線上の境界線（７）が、基本直線
Ｋと潜像の輪郭線との交点において、前記基本直線に対
し直角に交わる直線であることがわかる。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing an image configuration of an anti-counterfeit object by intaglio printing according to the present invention. As shown in FIG. 1, the intaglio object having the object structure according to the present invention is a continuous line as shown in FIG. Are constituted by periodic breaks as in (2) and (4). From this figure, it can be seen that the boundary line (7) on the object line between the part where the latent image is not applied and the object part where the latent image is applied is at the intersection of the basic straight line K and the contour line of the latent image. It can be seen that the straight line intersects the straight line at right angles.
【００１９】図３は、本発明の画線構成をより詳細に示
すために、潜像を施さない部分の画線と潜像を施した部
分の画線の境界線を拡大した図である。潜像を施さない
部分の連続線の基本直線Ｋに対して直角方向の画線幅を
Ａ、潜像を施した部分の定周期断絶線の画線部の基本直
線方向の画線幅の長さをＢ及びＣとし、潜像を施した部
分の定周期断絶線の基本直線に対し直角方向の画線の長
さをＬ、それぞれの画線の１／２の長さをＤ及びＧと
し、潜像を施した部分の定周期断絶線の各々を基本直線
の中心線と交わる交点Ｍを中心として９０度回転させた
画線の長さをＥ及びＦとすると、Ｄ＝Ｅ及びＧ＝Ｆとな
る。この図では、潜像を施した部分の画線の定周期断絶
線の直角方向の長さＬを９０度回転させた画線の長さ
と、潜像を施した部分の一周期に相当する画線の長さＯ
とは等しく、潜像を施さない部分の一周期に相当する画
線の長さＰと等しくなる。FIG. 3 is an enlarged view of a boundary line between an object line on which a latent image is not applied and an image object on a portion on which a latent image is applied, in order to show the object arrangement of the present invention in more detail. The image width in the direction perpendicular to the basic straight line K of the continuous line in the portion where the latent image is not applied is A, and the length of the image width in the basic straight line direction of the image portion of the periodic periodic discontinuity in the portion where the latent image is applied Are B and C, the length of the image in the direction perpendicular to the basic straight line of the fixed-period discontinuity of the portion where the latent image is applied is L, and the length of half of each image is D and G. When the lengths of the image lines obtained by rotating each of the fixed-period discontinuous lines of the portion where the latent image is formed by 90 degrees around the intersection M intersecting with the center line of the basic straight line are represented by E and F, D = E and G = It becomes F. In this figure, the length of the image obtained by rotating the length L in the direction perpendicular to the fixed-period broken line of the image of the portion where the latent image is applied by 90 degrees and the image corresponding to one cycle of the portion where the latent image is applied are shown. Line length O
Is equal to the length P of the image corresponding to one cycle of the portion where no latent image is formed.
【００２０】本発明は、潜像を施した部分の定周期断絶
線のうち、基本直線方向に連続した一つの画線部と非画
線部からなる一周期に相当する部分の画線面積Ｑと、潜
像を施さない部分の連続線のうち前記一周期と同一の長
さに相当する画線面積Ｒとが異なることを特徴とする凹
版画線であるため、潜像を施さない部分の連続線の基本
直線に対して直角方向の画線幅Ａと、潜像を施した部分
の定周期断絶線の基本直線方向の画線幅Ｂ及びＣとは異
なる。しかし、潜像を施した部分の定周期断絶線の画線
幅Ｂ及びＣは等しくなる。このことから、定周期断絶線
の画線間隔は、Ｅ＋Ｆ−Ｂ（またはＣ）となる。According to the present invention, the image area Q of a portion corresponding to one cycle of one image portion and a non-image portion continuous in the basic straight line direction among the fixed-period discontinuities of the portion on which the latent image is applied is provided. And an intaglio object characterized in that the image area R corresponding to the same length as the one cycle is different among the continuous lines of the portion where the latent image is not applied, The image width A in the direction perpendicular to the basic straight line of the continuous line is different from the image widths B and C in the basic straight line direction of the fixed-period discontinuity line of the portion where the latent image is formed. However, the image widths B and C of the fixed-period disconnection line in the portion where the latent image is provided become equal. From this, the image interval of the periodic broken line is E + FB (or C).
【００２１】（実施例１） 図３及び図４をもとに説明
する。潜像は定周期断絶線でアルファベットのＨを表現
した。このアルファベットＨの大きさは、字高１５ｍｍ
である。また、潜像を施さない部分及び潜像を施した部
分の定周期断絶線の基本直線方向となる直線万線間隔Ｎ
は３３０μｍにした。(Embodiment 1) A description will be given based on FIG. 3 and FIG. The latent image represented the letter H by a periodic break. The size of this alphabet H is 15 mm
It is. Further, a straight line interval N which is a basic straight line direction of a fixed-period discontinuity line of the portion where the latent image is not applied and the portion where the latent image is applied
Was set to 330 μm.
【００２２】潜像を施さない部分の連続線は高さ２０μ
ｍ、画線幅Ａを４０μｍとした。また、潜像を施した部
分の定周期断絶線の画線部の基本直線に対し直角方向の
画線Ｌの長さを約１４０μｍとした。また、潜像を施し
た部分の定周期断絶線の画線部の基本直線方向の画線幅
Ｂ及びＣを３８μｍから３０μｍとし、画線の高さを１
９μｍから１５μｍとした。従って前記式より、潜像を
施した部分の画線間隔Ｉは１０２μｍから１１０μｍと
なる。これは、潜像を施した部分の定周期断絶線で構成
する一定の面積率と潜像を施さない部分の連続線の一定
の面積率との関係を表している。潜像を施した部分の定
周期断絶線で構成する面積率は潜像を施さない部分の９
５％から７５％となる。The continuous line where no latent image is formed has a height of 20 μm.
m, and the image width A was 40 μm. The length of the image L in a direction perpendicular to the basic straight line of the image portion of the fixed-period discontinuity line in the portion where the latent image was formed was set to about 140 μm. Further, the image widths B and C in the basic straight line direction of the image portion of the fixed-period discontinuity line of the portion where the latent image is applied are set to 38 μm to 30 μm, and the image height is set to 1 μm.
The thickness was 9 μm to 15 μm. Therefore, according to the above equation, the image interval I of the portion where the latent image is formed is from 102 μm to 110 μm. This shows the relationship between the constant area ratio of the portion where the latent image is formed and the constant area ratio of the continuous line where the latent image is not formed. The area ratio of the portion where the latent image is not formed is 9% of the area where the latent image is not formed.
5% to 75%.
【００２３】この実施例で得られた印刷物を目視で観察
した場合、潜像を目視することはできなかった。また、
この印刷物をカラー複写機により複写した複写物は、潜
像を施さない部分の連続線はそのまま再生され、潜像を
施した部分の定周期断絶線は再生されないため、定周期
断絶線により形成されたアルファベットのＨが発現し複
写物であることは一目瞭然に判別できた。さらに、印刷
物を一定の角度から見ると、潜像を施さない部分の画線
は、画線の高さにより閉ざされ黒く見え、潜像を施した
部分は潜像を施さない部分の画線に対して直角の直線と
見えるような画線構成から、定周期断絶線により形成さ
れたアルファベットのＨの凹版潜像の発現を得た。When the printed matter obtained in this example was visually observed, the latent image could not be visually observed. Also,
The copy obtained by copying this printed matter by a color copying machine is formed by the fixed-period disconnection because the continuous line of the portion where the latent image is not applied is reproduced as it is, and the periodic discontinuity of the portion where the latent image is applied is not reproduced. The letter H in the alphabet appeared and was clearly discriminated as a copy. Furthermore, when the printed matter is viewed from a certain angle, the image of the portion where the latent image is not applied is closed by the height of the image and looks black, and the portion where the latent image is applied is replaced with the image of the portion where the latent image is not applied. The intaglio latent image of the letter H formed by the periodic break was obtained from the image configuration that appeared to be a straight line at right angles.
【００２４】以上のことから、本発明の曲画線及び直線
万線を構成する、潜像を施さない部分の連続線の一定の
画線面積率と、潜像を施した部分の定周期断絶線で構成
する一定の面積率とは異なっており、このように画線面
積率の差を利用することで、カムフラージュ等を使うこ
となく、通常の肉眼による潜像の視認を不可能にしてい
る。From the above, it can be seen that a constant image area ratio of a continuous line of a portion where a latent image is not formed and a fixed periodical disconnection of a portion where a latent image is formed, which constitutes a curved image line and a straight line of the present invention. It is different from the fixed area ratio composed of lines, and by using the difference in the image area ratio in this way, it is impossible to see the latent image with the normal naked eye without using camouflage etc. .
【００２５】（実施例２） 図２は、凹版画線の曲画線
の集合模様において、潜像を施さない部分の画線（５）
と潜像を施した部分の画線（６）の境界線（７）を、潜
像の輪郭線と同一方向とし、定周期断絶線上の画線部と
非画線部の境界線を、基本曲線と関係なく一方向とする
潜像画線を表したものである。この画線をもとに、前記
実施例１と同条件の、潜像を施さない部分の連続線の画
線幅を４０μｍとし、潜像を施した部分の画線の断絶線
の画線幅を３８μｍから３０μｍとし、画線の高さを潜
像を施さない部分の画線は２０μｍで、潜像を施した部
分の画線を１９μｍから１５μｍとした。従って前記式
より、潜像を施した部分の断絶線の画線間隔は１０２か
ら１１０なり、潜像を施さない部分の画線に対する潜像
を施した部分の面積率は９５％から７５％となる。(Embodiment 2) FIG. 2 shows an image (5) of an intaglio object in which a latent image is not applied to a set of curved objects.
The boundary line (7) of the image (6) of the portion where the latent image is applied is set in the same direction as the contour line of the latent image, and the boundary line between the image portion and the non-image portion on the fixed-period disconnection line is basically defined. It represents a latent image object in one direction irrespective of a curve. On the basis of this image, the image width of the continuous line in the portion where the latent image is not applied is set to 40 μm under the same conditions as in the first embodiment, and the image width of the discontinuity of the image in the portion where the latent image is applied is set. Was set to 38 μm to 30 μm, the height of the image was set to 20 μm for the portion where the latent image was not applied, and the image height for the portion where the latent image was applied was set to 19 μm to 15 μm. Therefore, from the above equation, the image interval of the broken line in the portion where the latent image is applied is from 102 to 110, and the area ratio of the portion where the latent image is applied to the image where the latent image is not applied is 95% to 75%. Become.
【００２６】本実施例においても、印刷物を目視で観察
した場合、潜像を視認することはできなかった。また、
カラー複写機による複製物は、潜像を施さない部分の連
続線はそのまま再生され、潜像を施した部分の断絶線は
再生不能となり、断絶線で形成されたアルファベットの
Ｈが発現し複写物であることは一目瞭然に判別できた。
さらに、印刷物を一定の角度から見ると、凹版潜像が発
現した。Also in this example, when the printed matter was visually observed, the latent image could not be visually recognized. Also,
In a copy made by a color copier, continuous lines in the portion where the latent image is not applied are reproduced as they are, the broken lines in the portion where the latent image is applied cannot be reproduced, and the letter H formed by the broken lines appears and the copied product is reproduced. Was clearly discernable.
Furthermore, when the printed matter was viewed from a certain angle, an intaglio latent image appeared.
【００２７】[0027]
【発明の効果】本発明では、前述のとおり、潜像を施さ
ない部分の連続線の一定の画線面積率と、潜像を施した
部分の定周期断絶線で構成する一定の面積率とは異な
り、画線面積率の差を利用することで、肉眼ではまった
く潜像を視認できなくしている。According to the present invention, as described above, a constant image area ratio of a continuous line in a portion where a latent image is not applied and a constant image area ratio of a constant-period discontinuity line in a portion where a latent image is applied are obtained. In contrast, the latent image is completely invisible to the naked eye by utilizing the difference in the image area ratio.
【００２８】また、本発明の画線構成を有した凹版印刷
物を複写機により複写すると、潜像を施さない部分の連
続線はそのまま再生され、潜像を施した部分の定周期断
絶線は再生されないため、複写物を肉眼で観察した場
合、潜像を施さない部分と潜像を施した部分に濃度差が
生じ、潜像が発現する。複写機による解像度は通常４０
０ｄｐｉ（一画素は６４μｍ）であるが、それ以上の解
像度の複写機にも画線の高さ、画線幅及び長さを変える
だけで容易に対応可能となる。Further, when the intaglio printed matter having the image configuration according to the present invention is copied by a copying machine, the continuous line of the portion where the latent image is not applied is reproduced as it is, and the periodic broken line of the portion where the latent image is applied is reproduced. Therefore, when the copy is observed with the naked eye, a density difference occurs between the portion where the latent image is not applied and the portion where the latent image is applied, and the latent image appears. Copier resolution is typically 40
Although it is 0 dpi (one pixel is 64 μm), it is possible to easily cope with a copier having a higher resolution simply by changing the height, width and length of the image.
【００２９】また、本発明の画線構成を有した凹版印刷
物を一定の角度から見ると、潜像を施さない部分の画線
は、画線間隔が画線の高さにより閉ざされるため全体に
黒く見え、潜像を施した部分の画線は潜像を施さない部
分の画線に対して直角の直線に見えるような画線構成か
ら、印刷用紙が浮き上がる形で全体が白く見えるため、
濃度差が生じ凹版潜像が出現する。Further, when the intaglio printed matter having the object construction of the present invention is viewed from a certain angle, the object where no latent image is formed is entirely closed because the object interval is closed by the object height. Since the image of the part where the latent image is applied looks black and the image of the part where the latent image is not applied looks like a straight line at right angles to the object where the latent image is not applied, the whole appearance looks white as the printing paper rises,
A density difference occurs and an intaglio latent image appears.
【００３０】以上のような効果から、銀行券、切手及び
諸証券等の凹版印刷物において、製品の付加価値の向上
及び真意性の明確化と偽造及び変造を防止する技術とし
て、より一層の高い効果を付与することが可能となる。From the above-described effects, in intaglio printed matter such as banknotes, stamps and various securities, a higher effect as a technique for improving the added value of products, clarifying the meaning of the products, and preventing forgery and falsification. Can be provided.
【図１】直線万線及び曲線万線において、潜像を施した
部分と潜像を施さない部分の画線構成を示した図。FIG. 1 is a diagram illustrating image configurations of a portion where a latent image is provided and a portion where a latent image is not provided in a straight line and a curved line.
【図２】曲線万線において潜像を施さない部分の画線と
潜像を施した部分の境界線を、潜像の輪郭線と同一方向
とし、定周期断絶線上の画線部と非画線部の境界線を、
基本曲線と関係なく一方向とした場合を示した図。FIG. 2 is a diagram in which an image line of a portion where a latent image is not applied and a boundary line of a portion where a latent image is applied are in the same direction as a contour line of a latent image, and an image portion on a fixed-period disconnection line and a non-image The border of the line part
The figure which showed the case where it was set as one direction regardless of a basic curve.
【図３】潜像を施した部分と潜像を施さない部分の画線
の境界部の拡大図。FIG. 3 is an enlarged view of an image boundary between a portion where a latent image is applied and a portion where a latent image is not applied;
【図４】定周期断絶線でＨを表現した図。FIG. 4 is a diagram expressing H by a periodic interruption line.
１、３、５ 潜像を施さない部分の連続線 ２、４、６ 潜像を施した部分の定周期断絶線 ７ 潜像を施さない部分の画線と潜像を施した部分の
画線の画線上の境界線 Ａ 潜像を施さない部分の連続線の画線幅 Ｂ 潜像を施した部分の定周期断絶線の画線幅 Ｃ 潜像を施した部分の定周期断絶線の画線幅 Ｄ 定周期断絶線の画線の長さの１／２ Ｅ Ｄを基本直線上に回転させたもの Ｆ Ｇを基本直線上に回転させたもの Ｇ 定周期断絶線の画線の長さの１／２ Ｈ 定周期断絶線の画線幅 Ｉ 定周期断絶線の画線間隔 Ｊ 定周期断絶線の画線幅 Ｋ 潜像を施さない部分の連続線の基本直線の中心線 Ｌ 定周期断絶線の画線の長さ Ｍ 定周期断絶線と基本直線の中心線との交点 Ｎ 直線万線の画線間隔 Ｏ 潜像を施した部分の定周期断絶線のうち、基本直
線方向に連続した一つの画線部と非画線部からなる一周
期に相当する画線の長さ Ｐ 潜像を施さない部分の連続線のうち、基本直線方
向における前記一周期Ｏと同一の長さ Ｑ 潜像を施した部分の一周期の長さＯの画線面積 Ｒ 潜像を施さない部分の一周期の長さＰの画線面積1, 3, 5 Continuous line of the portion where no latent image is applied 2, 4, 6 Periodic discontinuity of the portion where the latent image is applied 7 Object of the portion where no latent image is applied and object of the portion where the latent image is applied A Line width of continuous line in the area where no latent image is applied B Image width of fixed-period disconnection line in the area where the latent image is applied C Image of fixed-period discontinuity in the area where the latent image is applied Line width D 1/2 of the length of the image of the periodic broken line ED Rotating D on the basic straight line F Rotating G on the basic straight line G Length of the image of the periodic broken line 1/2 H Image width of fixed-period disconnection line I Image spacing of fixed-period disconnection line J Image width of fixed-period disconnection line K Center line of the basic straight line of the continuous line where no latent image is applied L Fixed period Length of the line of the broken line M Intersection between the fixed-period broken line and the center line of the basic straight line N Image interval between straight lines O The basic straight line direction of the fixed-period broken line where the latent image is applied The length of the object line corresponding to one cycle consisting of one continuous image portion and the non-image portion P Of the continuous lines of the portion where no latent image is applied, the same length as the one period O in the basic straight line direction Q Image area of one cycle length O of the portion where the latent image is applied R Image area of one cycle length P of the portion where the latent image is not applied
Claims (6)
合模様を、潜像を施さない部分の線画を連続線で、潜像
を施した部分の線画を基本直線方向に一定の間隔で配列
された所定の形状の画線からなる定周期断絶線で構成
し、前記潜像を施した部分の定周期断絶線のうち、基本
直線方向に連続した一つの画線部と非画線部からなる一
周期に相当する部分の画線面積が、前記潜像を施さない
部分の連続線のうち、基本直線方向における前記一周期
と同一の長さに相当する部分の画線面積と異なるように
したことを特徴とする凹版潜像の作成方法。1. A set pattern of a curved image line and an intaglio line of an intaglio printing object, a line image of a portion where a latent image is not applied is a continuous line, and a line image of a portion where a latent image is applied is fixed in a basic straight line direction. Consisting of a fixed-period disconnection composed of objects of a predetermined shape arranged at intervals, of the constant-periodic disconnection of the portion where the latent image is applied, one image portion continuous in the basic straight line direction and a non-image The image area of a portion corresponding to one cycle of the line portion is equal to the image area of a portion corresponding to the same length as the one cycle in the basic straight line direction among the continuous lines of the portion where the latent image is not applied. A method for producing an intaglio latent image, wherein the method is different.
部の画線の高さと画線幅が異なることを特徴とする前記
請求項１記載の凹版潜像の作成方法。2. The method according to claim 1, wherein in the intaglio latent image, the height of the object and the width of the object in the non-image area and the image area are different.
い部分の画線と潜像を施した部分の画線の画線上の境界
線が、基本直線と潜像の輪郭線との交点において、前記
基本直線に対し直角に交わる直線となり、併せて、定周
期断絶線上の画線部と非画線部の境界線が、基本直線と
定周期断絶線上の画線と非画線部の境界線との交点にお
いて、前記基本直線に対し直角に交わる直線となること
を特徴とする前記請求項１又は２記載の凹版潜像。3. A boundary between the basic line and the outline of the latent image, wherein the boundary between the image of the portion where the latent image is not formed and the image of the portion where the latent image is formed is formed of the basic straight line and the outline of the latent image. At the intersection of the straight line intersects at right angles to the basic straight line, together with the boundary between the image portion and the non-image portion on the periodic break, the basic line and the image on the periodic break and the non-image line 3. The intaglio latent image according to claim 1 or 2, wherein a straight line intersects the basic straight line at right angles at an intersection with a boundary line of the part.
て、潜像を施さない部分の画線と潜像を施した部分の画
線の境界線を、潜像の輪郭線と同一方向とし、定周期断
絶線上の画線部と非画線部の境界線を、基本曲線と関係
なく一方向とすることを特徴とする前記請求項１又は２
記載の凹版潜像。4. In a collective pattern of curved objects of an intaglio printing object, the boundary between the object line on which the latent image is not applied and the object line on which the latent image is applied is set in the same direction as the outline of the latent image. 3. The method according to claim 1, wherein a boundary line between the image portion and the non-image portion on the fixed-period disconnection line is set in one direction regardless of the basic curve.
Intaglio latent image as described.
徴とする前記請求項１、２、３又は４記載の凹版潜像。5. The intaglio latent image according to claim 1, wherein the latent image is a copy prevention pattern.
れたことを特徴とする凹版印刷物。6. An intaglio printed matter provided with the intaglio image according to claim 1. Description:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11434498A JP3529084B2 (en) | 1998-04-10 | 1998-04-10 | Intaglio latent image and method for producing the latent image |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11434498A JP3529084B2 (en) | 1998-04-10 | 1998-04-10 | Intaglio latent image and method for producing the latent image |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11291610A true JPH11291610A (en) | 1999-10-26 |
| JP3529084B2 JP3529084B2 (en) | 2004-05-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11434498A Expired - Fee Related JP3529084B2 (en) | 1998-04-10 | 1998-04-10 | Intaglio latent image and method for producing the latent image |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3529084B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002020268A1 (en) * | 2000-09-08 | 2002-03-14 | Giesecke & Devrient Gmbh | Data carrier comprising a gravure printed image and methods for transposing image motifs into linear structures and onto a gravure printing plate |
| JP2006123401A (en) * | 2004-10-29 | 2006-05-18 | National Printing Bureau | Image formation object with moire-proof linear image |
| JP2010162139A (en) * | 2009-01-15 | 2010-07-29 | Bridgestone Corp | Storage stand and bathroom structure |
| JP2013018177A (en) * | 2011-07-11 | 2013-01-31 | National Printing Bureau | Copy protection printed matter |
| JP2013039725A (en) * | 2011-08-16 | 2013-02-28 | National Printing Bureau | Latent image printed matter |
| JP2014201051A (en) * | 2013-04-10 | 2014-10-27 | 独立行政法人 国立印刷局 | Antifalsifying medium |
| JP2015074155A (en) * | 2013-10-08 | 2015-04-20 | 独立行政法人 国立印刷局 | Anticounterfeit printed matter |
-
1998
- 1998-04-10 JP JP11434498A patent/JP3529084B2/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002020268A1 (en) * | 2000-09-08 | 2002-03-14 | Giesecke & Devrient Gmbh | Data carrier comprising a gravure printed image and methods for transposing image motifs into linear structures and onto a gravure printing plate |
| US6964227B2 (en) * | 2000-09-08 | 2005-11-15 | Giesecke & Devrient Gmbh | Data carrier comprising a gravure printed image and methods for transposing image motifs into linear structures and onto a gravure printing plate |
| AU2002214967B2 (en) * | 2000-09-08 | 2006-01-19 | Giesecke & Devrient Gmbh | Data carrier comprising a gravure printed image and methods for transposing image motifs into linear structures and onto a gravure printing plate |
| US7275484B2 (en) | 2000-09-08 | 2007-10-02 | Giesecke & Devrient Gmbh | Data carrier comprising a gravure printed image and methods for transposing image motifs into linear structures and onto a gravure printing plate |
| JP2006123401A (en) * | 2004-10-29 | 2006-05-18 | National Printing Bureau | Image formation object with moire-proof linear image |
| JP2010162139A (en) * | 2009-01-15 | 2010-07-29 | Bridgestone Corp | Storage stand and bathroom structure |
| JP2013018177A (en) * | 2011-07-11 | 2013-01-31 | National Printing Bureau | Copy protection printed matter |
| JP2013039725A (en) * | 2011-08-16 | 2013-02-28 | National Printing Bureau | Latent image printed matter |
| JP2014201051A (en) * | 2013-04-10 | 2014-10-27 | 独立行政法人 国立印刷局 | Antifalsifying medium |
| JP2015074155A (en) * | 2013-10-08 | 2015-04-20 | 独立行政法人 国立印刷局 | Anticounterfeit printed matter |
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| Publication number | Publication date |
|---|---|
| JP3529084B2 (en) | 2004-05-24 |
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