DE102012219473A1 - Device and method for the production of security labels and security labels - Google Patents

Abstract

The invention relates to a device for producing variable optical security features (1) comprising a set of security feature modules (7) stored in a file, the optical individual representation of which each has a single background raster (5), in each of which an individual motif (4) is embedded, which is a Has individual motif grid (6) and its recognizability for the human eye increases by viewing with a decoding means (20), a selection means with which individual security feature modules (7) can be selected from the security feature module insert and can be combined to form the security feature (1), and a printing device for the optical representation of the variable security feature (1), the visibility of which increases for the human eye when viewed with the decoding means (20).

Description

The invention relates to an apparatus for producing variable optical security features, to a method for producing the variable optical security features and to the security features produced in this way.

Lens codes are optically hidden security features that are not or very difficult to see the naked eye. Only after placing an aid, such as a decoder, the hidden feature can be made visible to the human eye.

The DE 10 2010 053 679 A1 relates to a security element for insertion in a card-shaped data carrier. The security elements serve to secure goods by allowing verification of the authenticity of the data carrier. In addition, they also serve as protection against unauthorized reproduction. A reproduction by simply photocopying the security element is hardly or not at all possible with the so-called wobbly images disclosed in DE 10 2010 053 679 A1. Wiggly images are characterized by two or more nested rasterized images, which can be either different in nature or represent views of the same 3D object from different directions. These rastered interlaced images are overlaid with an adapted rasterized lens sheet, and depending on the viewing angle of the lens sheet, either one or the other image becomes visible. With a suitable arrangement, a three-dimensional image can be created by looking into one image with one eye and looking at the same image from another perspective direction with the other eye.

In the WO 2003/095221 A3 a banknote with an optical security area is disclosed. Here is a first optical periodic structure, eg. B. a parallel grating provided and an inserted security mark with a second optical structure, which is arranged offset to the first optical structure. The recognizability of the security mark is increased by viewing with a decoding element.

The US 2011/0157183 A1 relates to a security paper in which also a target image is divided into two sub-images, wherein the overall motif is composed by viewing with a decoding element of the sub-motifs.

The mentioned security features have the disadvantage that the fine periodic structures can only be produced relatively expensive. This makes mass production considerably more difficult.

From the US 2012/006 2917 A1 is the production of cards with different motif known, the motives are provided by the customer, the motives are digitized and printed and are glued with a lens film over the subject firmly. The disadvantage of this is that the mass production of simple variable codes is expensive.

It is an object of the present invention, an apparatus, a method and a security feature to provide, which avoids the disadvantages mentioned above.

In its first aspect, the object is achieved by a device having the features of claim 1.

The device is preferably a computer or other data processing device. The invention makes use of the idea of providing a device which makes it possible to generate variable security features by resorting to a set of security feature components that can be assembled in preferably any order or arrangement. In preferably each of the security feature blocks, a single motif is embedded, which is optically hidden by the single motif is filled by a single motif grid and the single motif grid is embedded in a single background grid. In the process, a small contrast is formed between the individual background grid and the individual motif grid, which is not recognizable to the human eye by simple observation. The motif is hidden in the background. However, the recognizability of the motif can be improved by observation with a decoding means. The decoding means is preferably a lens film with a grid adapted to the individual background grid and / or the individual motif grid. The lenticular preferably has elongate, periodically arranged lenses or arranged in arrays, for example, hexagonal lenses. However, other embodiments of the decoding means, such as perforated tape or Locharrayfolien conceivable.

The device according to the invention has a selection means with which individual security feature modules can be selected from the security feature module set and can be combined to form the security feature.

The selection means may be an input device, for example a keyboard, a touch screen or the like. which it conveniently allows by manual user input, from various Select security feature blocks and assemble the security feature.

The selection means can also be designed as a program that generates security features algorithmically randomly or reads selection information from a database or file and composes the variable security feature according to the selection information. This embodiment of the device according to the invention is particularly suitable for the mass production of security features.

The device according to the invention comprises a printing device for optically displaying the variable security feature. The printing device may be ausgebidlet as a printer such as laser printer or ink printer or as a printing press, in particular digital printing press or offset or flexographic printing machine, in which a customization unit example, an injector is installed.

The device according to the invention makes it possible, for example, to assemble a security word such as a code from security letters and to print this out on the printing device. This allows a very cost-effective, fast and in particular very variable generation of security features of various kinds.

The variable security feature comprises a motif formed from the individual motifs of the security feature modules whose recognizability also increases for the human eye by viewing with the decoding means. Preferably, the decoding means is identical for each security feature module, and preferably this decoding means is also identical to the decoding means with which the security feature composed of the individual security feature modules can be recognized.

Conveniently, the printer is a commercially available 300/600/1200/1800 dpi (dots per inch) printer that prints color pigments on paper as security features at low cost.

In a particularly preferred embodiment of the invention, the security feature block set is provided as a font, preferably a digital font, and is stored in a computer as a file to which various programs, such as writing or graphics programs, access to generate characters. It may be the font to a font, preferably a standard such. For example, TrueType Font (.ttf), Post Script Font, or Open Type Font. The font is preferably stored as a vector file, so that when scaling the characters, for example, by printing in different sizes 11 pt, 12 pt, 13 pt etc., always smooth font margins are printed and not, as for example in bitmap files, the font margins at magnification take on a step-like character and therefore do not have to cope with aliasing errors when resizing.

Depositing as a font advantageously allows pixel-accurate printing of the security feature building blocks, as it allows the evasion of the image processing operations and smoothing algorithms stored in most printer devices in the driver or in the hardware. As a result, even very fine lines are printable.

In a further favorable embodiment of the invention, each of the security feature blocks is a single character, and each of the characters contains as a single motif a letter, a number, a punctuation mark, etc. The security feature blocks have in their printing on a preferably rectangular, more preferably the same rectangular outer contour.

The single motif of the character, that is, the letter or the number, etc., is preferably completely deposited, in each case with the individual motif grid, while the rest of the background of the security feature module is preferably completely backed by a single background grid.

Single background grid and individual motif grid can be designed in various ways. The single background and single motif grids repeat in the decoder's raster to become recognizable. The rasters preferably have lines of low line width arranged parallel to one another with a small line spacing. The lines of the individual background grid are of constant strength over the entire single background area, and the line spacing is also constant everywhere. The single motif grid is offset parallel to the individual background grid, preferably offset by exactly half a lens distance. The line width and the line spacing of the individual motif grid as well as the individual background grid are constant over the entire individual motif or the entire individual background. However, it is also conceivable to form the grid array-shaped, for example with five- and / or hexagonal lenses, and to arrange corresponding points in the individual background or single motif.

Conveniently, the lines have a line width of b = 42 microns +/- 10 microns, preferably b = 42 microns and a line spacing of d = 170 microns. With a commercially available 600 dpi ink or laser printer, the diameter of one of the Printer generated point about 42 microns, so that can generate a line width of about b = 42 microns. Higher resolution printers of 1200 dpi or more also produce correspondingly thinner lines.

Customary Dekodierfolien have parallel juxtaposed, narrow long lenses. Common among other things 70 LPI (Lins per Inch) foils.

Advantageously, a decoding film with a higher resolution is chosen. The resolution should be so high to increase the security against counterfeiting that the representation of the security feature must be made with the pixel-precise printing described. If the characters are not stored as a font, the printing of the characters is too imprecise due to the smoothing algorithms, and the single motif is no longer recognizable even with the decoding film

For the purposes of the invention, sufficiently high-resolution decoding films with 150 LPI (lins per inch) or 150 lpi (lines per inch) are selected, in which the lenses or the line lenses are arranged at a spacing of d = 170 μm. In the case of such films, the line spacing of both the individual background raster and the individual motif raster should also be approximately d = 170 μm. However, it is also conceivable that films are used with a different lpi number, so that then the line spacing of the grid is adapted in print the security features accordingly.

The font is preferably designed as a lenticular font. Each individual lenticular typeface is automatically displayed recognizably on the screen with a preferably rectangular single background grid and a single motive grid in correspondence with the letter and printed encrypted when printed on the printer.

The object is achieved in its second aspect by a method having the features of claim 10. The inventive method can be carried out on one of the aforementioned devices.

According to the invention, a set of security feature modules is provided, wherein an optical representation of the security feature modules each has a single background grid, in each of which a single motif is embedded, which is filled by a single motif grid and its visibility is increased for the human eye by viewing with a decoding means.

From the security feature building block set, individual security feature building blocks are selected, and the selected security feature building blocks are assembled into a variable security feature, and the variable security feature is again displayed optically. The visualization of the security feature can be done by simply printing the security feature with a printer on paper. The recognizability of the motif of the security feature for the human eye is also increased by consideration with the decoding element.

Preferably, over the entire extent of the security feature, a uniform background grid interrupted only by individual motifs and possibly random points and a motif grid that remains the same over the entire extent of the security feature are formed, with the background grid partially coinciding with the respective individual background grids of the security feature modules and the motif grid with the individual motif grids.

Preferably, the single background grid is formed from lines parallel to each other and the single motif grid is also formed from mutually parallel lines, and a single motif line grid and a single background grid are offset in parallel, and the individual background lines of adjacent security feature building blocks are just merging, and the individual motif lines of adjacent security feature building blocks can become straight be extended. This makes it possible to recognize both the entire motif and the individual motifs with a single decoding agent such as a lenticular foil.

In a particularly preferred development of the method according to the invention, each security feature module is superimposed with a random point pattern and / or a random-hole pattern. Both patterns further reduce the visibility of the hidden lenticular letter. The random point pattern as well as the random hole pattern may be the same for each character, or individually formed for some or each character. It is even conceivable to assign different random patterns to a single letter and to assign different language versions in the .ttf to the characters provided with different random patterns.

The random-hole patterns and / or random-point patterns can be stored as further fonts and superimposed on the security feature blocks only during printing. Further information can be coded in the distribution of the dots and / or holes. The information can be recognized or recorded with aids such as magnifying glasses or cameras and decoded with evaluation programs. The decoding is preferably only selected persons known. The certification of authenticity due to the decoding can be performed by machine without being disclosed to the user of the method.

In its third aspect, the object is achieved by a security feature having the features of claim 18, which is manufactured in one of the above-mentioned methods with one of the above-mentioned machines.

The inventive security feature comprises a background grid filling in a background and a motif grid filling the motif, wherein the background grid and the motif grid are staggered and the motif grid and the background grid are optically represented by printed color lines and the recognizability of the motif to the human eye by viewing the decoding means is increased.

Conveniently, the line width of all lines of the grid is approximately b = 42 μm and the line spacing d is at a lens period corresponding to the lenticular sheet.

Preferably, both the background bar and the subject bar are overlaid with a random dot pattern. The random point pattern further complicates the recognizability of the security feature. In another preferred embodiment of the security feature, the background bar and the motif bar screen are provided with a random-hole pattern. This random hole pattern additionally increases the recognizability of the security feature.

The invention will be described with reference to several embodiments in twenty-two figures. Showing:

1a a single motif designed as a letter K,

1b the single motive of the 1a as a lenticular letter,

2 a schematic drawing of the operation of a lenticular film,

3a a schematic view of the lenticular letter from the 1b with overlaid lenticular foil,

3b a functional view when viewing the lenticular letter through the lenticular film,

4a . 4b a juxtaposition of the lenticular letter in 1b with a lenticular letter with random point pattern,

5a a lenticular letter printed four times in succession,

5b according to the lenticular letter 5a in d / 4 line width,

5c the lenticular letter 5b with superimposed random point pattern,

5d the lenticular letter in 5b with one opposite 5c different superimposed random point patterns,

5e a lenticular letter opposite 5b thinner line width,

6 the photo of 5a to 5e with lenticular foil held over the photo,

7 a symbolic representation of letters of a standard font,

8th Letters one out of the font in 7 generated lenticular font,

9 Letters of a dotted lenticular font,

10 Letters of a perforated lenticular font,

11 Security labels with lens codes,

12 Security labels with lens codes and applied lenticular films,

13 Security labels with lens codes and applied lenticular films,

14 Security labels with lens codes and applied lenticular sheets and with additionally printed same serial numbers,

15 Security labels with randomized lens codes with applied lenticular sheets and additionally printed serial numbers.

As a lens code 1 becomes here a hidden motive unrecognizable to the human eye without aids 3 designated. Lens codes 1 are among others in the 5a - 5e and in the 11 - 15 shown. Only after hanging up here as a lenticular foil 20 trained decoding film becomes the motif 3 visible to the human eye. The motif 3 can be a single motive 4 , for example, a single letter, or an off several individual motifs 4 compiled motif 3 such as a word

1a shows the letter K in a conventional standard typeface, but greatly enlarged. A possibility used and described here, the single motive 4 , here the letter K, difficult to make out, consists in the background of the single motive 4 with a single background line grid 5 according to 1b to be completed completely. The single background lines 5a are held in a dark color, just formed and arranged parallel to each other. They all have the same line width b, and adjacent single background lines 5a always have the same line spacing d from each other except for a single motif area. The single motive 4 stands out from the single background line grid 5 from. The single motive 4 is even with a single motif line grid 6 completed. The single motif line grid 6 has mutually parallel individual motif lines 6a on, which also have the same line spacing d to each other and the same line spacing d as the lines 5a of the single background line grid 5 to have. The lines 6a of the single motif line grid 6 and the lines 5a of the single background line grid 5 along their entire length to each other equal and constant line thickness b on. The single motif line grid 6 is, however, opposite the single background line grid 5 by half a line d / 2 perpendicular to the direction of the lines 5a . 6a the two grids 5 . 6 postponed. The line spacing d is the center distance of adjacent lines of both the single background line grid 5 as well as the single motif line grid 6 , it is identical over the entire letter font.

The letter in 1a is called the standard font of a standard font. The character in 1b is called a lenticular font 7 a lenticular font.

The lenticular character 7 , here the letter K, is in size according to 1b For the human eye still quite good to recognize, however, blurs the lenticular character 7 increasingly, if it is further reduced. The single motive 4 of the lenticular character 7 in 1b is no longer recognizable when the line distance d falls below the resolution of the human eye. The resolution of the eye is at a distance of 25 cm at about 80 microns. The line spacing d and the line width b are selected for the characters of the lenticular font such that the line width is less than 42 μm ± 10 μm, preferably 42 μm or less and the line spacing is also less than 170 μm ± 10 μm close to the resolution of the human eye and therefore difficult to recognize.

In the lenticular character 7 hidden single motive 4 to make recognizable to the human eye, a decoding film in the form of a lenticular sheet 20 used. The lenticular foil 20 gets on the lenticular character 7 placed. 2 shows the arrangement described schematically. The lenticular foil 20 has parallel to each other, over an entire in 2 perpendicular to the plane extending longitudinal direction L of the lenticular sheet 20 extending strip-shaped lenticular lenses 21 on, in the cross section perpendicular to the longitudinal direction L according to 2 have a lenticular arch shape. The strip-shaped lenses 21 can be in the for visible light largely transparent lenticular foil 20 be introduced so that the lenticular lenses 21 when placing the lenticular foil 20 on the lenticular letters 7 approximately in focal length of the lenticular lenses 21 from the lenticular typeface printed on the surface 7 are spaced.

2 shows the line width b of the lines according to 1b , The line width b of each of the single motif lines 6a and the single background lines 5a is over the entire line length and for each line 5a . 6a identical. The line width b is between 42 μm to 85 μm, preferably b = 42 μm, so that it lies below the resolution of the eye. The line spacing d of adjacent single motive lines 6a is d = 170 microns in this embodiment. 2 B shows five single motif lines 6a of the single motive 4 and one opposite the single motive lines 6a by d / 2 = 85 microns parallel shifted single single background line 5a ,

The lenticular foil 20 here has 150 lpi (lines per inch), which corresponds to a lens period of 170 microns, resulting in the line spacing d = 170 microns results. This allows below the lenticular lenses 21 depending on the adjustment either only the single motive lines 6a or just the background lines 5a lie. In 2 lie under the lenticular lenses 21 the single motive lines 6a , The distance between single background line 5a and single motive line 6a is at d / 2 = 85 microns according to 2 ,

If the lines 5a . 6a As in this embodiment, with a 600 dpi printer, the individual dots have a dot width of about 42 μm, so the line width b of both the single motif lines should be 6a as well as the individual background lines 5a each lie between b = 42 microns and b = 85 microns.

While looking at the lenticular character 7 through the lenticular foil 20 the observer (not shown) sees through the correct adjustment of the lenticular foil 20 then either just the background lines 5a of the background line grid 5 or just the single motive lines 6a of Single subject line screen 6 , The correct adjustment of the lenticular foil 20 on the lenticular letters printed on a flat surface 7 done by simply turning the lenticular foil 20 on the lenticular letter 7 ,

3a schematically shows the on the lenticular letters 7 laid lenticular foil 20 , The distance d of the lenses of the lenticular sheet 20 corresponds to the line spacing of both the background line grid 5a as well as the motif grid 6a , The lenticular lenses 21 the lenticular foil 20 are indicated by the dashed lines in 3a shown. However, in 3a not yet the effect of the lenticular film 20 to recognize.

Real offers the viewer when placing the lenticular foil 20 on the lenticular character 7 this in 3b illustrated picture. The viewer sees with correct adjustment of the lenticular foil 20 only those directly below the lenticular lenses 21 lying single motif lines 5a , The background lines 6a stay through the lenticular foil 20 covered. Due to the effect of the lenticular foil 20 arises between the single motive 4 and the background one opposite the lenticular letter 7 significantly increased contrast, so that the single subject 4 becomes recognizable to the viewer.

The 4a and 4b show the lenticular letter 7 on the one hand in the 4a in the lenticular font and the other in the 4b in a dotted lenticular font.

In the direct comparison of the lenticular letter 7 with the dotted lenticular letter it becomes clear that the recognizability of the single motive 4 'K' is further obscured. Opposite the lenticular letter 7 according to 4a is a random pattern on the lenticular letters 7 hung up. The random point pattern is chosen such that the dots have different lengths in the longitudinal direction L of the single-subject lines 6a and the single background lines 5a have and each in contact with one of the lines 5a . 6a are arranged.

The 5a to 5e show a photo of a lens code 1 in the form of four consecutively printed lenticular letters 7 , The individual motifs 4 each form the letter K. This results in a motif 3 , that with other letter selection a meaningful word, a code o. Ä. can be.

The individual lenticular letters 7 are available as letters of the lenticular font, preferably as a font, preferably TrueType Font (.ttf). The lenticular font, like other fonts (Arial, Calibri, etc.) can be conveniently stored or copied on a commercial computer or printer. Because the lenticular letters 7 As letters of a lenticular font are available, can be printed in a very simple, inexpensive and time-saving manner almost any lens code with different letter sequences and number sequences.

The background line grid 5 and the single motif line grid 6 the individual lenticular letter 7 The lenticular fonts are the same, so when printing multiple lenticular letters 7 in accordance with 5a the single background lines 5a of the background line grid 5 with regard to each individual background line 5a straight without offset and with the same line strength b in the single background line 5a of the adjacent lenticular letter 7 pass. The single motive lines 6a the individual motives 4 In their imaginary extension also go exactly in the single motive lines 6a of the adjacent lenticular letter 7 above.

This makes it possible, from successive printed lenticular letters 7 formed words, codes o. Ä. by a single adjustment of the lenticular foil 20 to recognize.

5b shows one of the lenticular letters 7 according to 5a with a line thickness of d / 4, where d is also the lens period, ie the distance of the lenticular lenses 21 the lenticular foil 20 equivalent.

5c shows the lenticular letter 7 in 5a with a superimposed random point pattern.

5d shows the lenticular letter 7 in 5b with one compared to 5c other superimposed random point pattern.

5e shows the letter in 5b with a stroke thickness of less than d / 4. It becomes clear that in particular by superposition of the lenticular letter 7 with a random point pattern, the recognizability for the human eye already in the significantly enlarged state according to the 5c and 5d opposite the lenticular letter 7 in the 5b and 5e is reduced.

6 shows the letter order of the 5a to 5 with adjusted lenticular foil 20 , The lenticular foil 20 is about four lenticular letters 7 formed lens code 1 and over three of the individual lenticular letters 7 laid and already adjusted The recognizability of the four individual motifs 4 'K' off 5a gets through the lenticular film 20 clearly increased. In fact, the original size of the 5a the individual motives 4 'K' not or barely visible to the naked eye. The 5c and 5d show that by overlaying the lenticular letters 7 with a random dot pattern though the subject 3 even more hidden in the background, but possibly at the cost of recognizability after decoding with the lenticular sheet 20 , there The recognizability depends strongly on the type of selected random point pattern, such as a comparison of the 5c and 5d with applied lenticular foil 20 shows.

The 7 to 10 show in a schematic view first in 7 a symbolic representation of a standard font, such as Arial, Calibri u. Ä., As it is stored on a conventional computer, for example. The individual letters are usually stored as a font. As a rule, the font is a vector-based font, designed for example as a TrueType font with the standard Windows ^® file extension .ttf. Basically, fonts, ie the sum of the individual letters and numbers can also be stored as a bitmap, but then scale problems arise. In contrast, the individual letters and numbers of a TrueType font are stored as vector-based files, so that print images without anti-aliasing or aliasing are produced even when enlarging and reducing the letters, that is to say under 11 pt, 12 pt, 14 pt and so on. The deposit as a TrueType font is particularly suitable for printing fine lines, such as serifs, and to represent and print the letters and numbers in any size without loss.

Most printers also have image enhancement features anchored in the driver or hardware to improve the print quality of the printed image. These image enhancement features are difficult or impossible to turn off. Also, to avoid smoothing particularly very fine lines through the internal image editing function, are the lenticular letters 7 implemented as a font. Regardless of the resolution of the printer, consistently good results are achieved when printing the lenticular letters 7 achieved, even with very small font sizes. The implementation of the lenticular letters 7 in particular, as a font, it also makes it possible to display variable individual codes with sufficient speed and to keep them ready for the mail merge. The implementation as a font also ensures that the lenticular letters 7 be placed on the same level without gaps. There is no offset in the printed image of the letters, the readjustment of the decoding film 20 would require.

8th shows individual lenticular letters 7 the lenticular font in a schematic view. The term font here also refers to numbers, special characters, etc.

9 shows the lenticular letters 7 the lenticular font of the 8th with superimposed random point pattern.

10 shows the lenticular letters 7 the lenticular font of the 8th with superimposed random hole pattern. Both by overlaying each lenticular letter 7 with a random point pattern as well as with a random hole pattern becomes the recognizability of the individual lenticular letters 7 further reduced.

The 11 to 15 show various embodiments of a security label 41 , Every security label 41 has a lens code 1 with several a motive 3 forming lenticular letters 7 on. 11 shows three side by side schematically illustrated security labels 41 each with a lens code 1 whose motive 3 is invisible to the human eye.

12 shows the security labels 41 of the 11 with applied adjusted lenticular sheets 20 , An individual code of the individual security labels 41 becomes recognizable. In this example, the codes are numbered serially, authentication is done by reading the serial number 40 ,

13 shows the security labels 41 with applied lenticular foil 20 where an individual code becomes visible. In the example according to 13 is the individual code randomized and rare, ie only certain of the serial numbers 40 are valid. The valid serial numbers 40 are stored in a database so that when authenticating a product by reading the lens code 1 with the help of the lenticular foil 20 the serial number 40 is detected and compared with the serial numbers of a database. If the detected serial number 40 stored in the database, the product is authenticated. Otherwise, it is a forgery, so is an additional safeguard against the security label 41 of the 12 available.

14 shows a security label 41 also with randomized and rare code and applied lenticular foil 20 , where the serial number 40 in the lectern 1 hidden and as a serial number 42 on the security label 41 is printed in plain text. Authentication is done by comparing the serial numbers 42 the plain text and the serial numbers 40 of the lens code 1 ,

15 shows a security label 41 with lens code 1 and also applied lenticular foil 20 , The individual code of the lens code 1 gets under the lenticular foil 20 visible, noticeable. The individual code is also randomized. There are only certain serial numbers 40 of the code. The valid serial numbers 40 are stored in a database. On the security label 41 In addition, another code is printed in plain text. Again, this code is randomized and rare. They are only certain serial numbers 42 valid, and these too are stored in a database. In addition, the combination of the two codes is stored in the database. The authentication is done by comparison with the database.

LIST OF REFERENCE NUMBERS

1

 Lens code

3

 motive

4

 Single Scene

5

 Single background line grid

5a

 Single background line

6

 Single subject line screen

6a

 Single subject line

7

 Lentikularschriftzeichen

20

 lenticular

21

 strip-shaped lenses

40

 Serial number of the lens code

41

 security label

42

 Serial number of the plaintext

b

 linewidth

d

 line spacing

L

longitudinal direction

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 102010053679 A1 [0003]
• WO 2003/095221 A3 [0004]
• US 2011/0157183 A1 [0005]
• US 2012/0062917 A1 [0007]

Claims (32)

Device for producing variable optical security features ( 1 ) comprising: a set of security feature building blocks stored in a file ( 7 ), whose optical individual representation each a single background grid ( 5 ), in each of which a single motif ( 4 ), which is a single motif grid ( 6 ) and its recognizability to the human eye by viewing with a decoding means ( 20 ), a selection means with which from the security feature block set individual security feature blocks ( 7 ) are selectable and the security feature ( 1 ) are composable, a printing device for the optical representation of the variable security feature ( 1 ), its recognizability to the human eye by viewing with the decoding means ( 20 ) elevated. Apparatus according to claim 1, characterized in that the selection means is designed as an input device. Device according to Claim 1, characterized in that the selection means is a program which extracts selection information stored in a database or a file and stores the security feature ( 1 ) according to the selection information. Device according to claim 1, 2 or 3, characterized in that the security feature ( 1 ) from security feature blocks ( 7 ) and one of the individual motifs ( 4 ) formed motif ( 3 ). Device according to at least one of claims 1 to 4, characterized by the decoding element ( 20 ), the recognition of the visual representation of all individual motifs ( 4 ) of the motif ( 3 ) elevated. Device according to at least one of claims 1 to 5, characterized in that the security feature blocks characters ( 7 ) of a font. Apparatus according to claim 6, characterized in that the security feature blocks characters ( 7 ) of a font. Device according to at least one of claims 1 to 7, characterized in that the printing device has a resolution of at least 300 dpi. Device according to at least one of the preceding claims, characterized in that the decoding means comprises a lenticular sheet ( 20 ) and / or lens array film and / or strip film, Device according to at least one of the preceding claims, characterized in that the decoding means comprises a lens sheet with at least 70 LPI (lines per inch), preferably 150 lpi (lines per inch). Device according to at least one of the preceding claims, characterized in that the individual background grid ( 5 ) is formed as a line grid and the single motif grid ( 6 ) is formed as a line grid and the single background grid ( 5 ) and the single motif line grid ( 6 ) have a same line spacing (d) and a same line thickness (b) and parallel to each other and are arranged offset by a half line spacing (d) parallel to each other. Device according to at least one of the preceding claims, characterized by a database in which valid motives ( 3 ) which are used to authenticate the data with the decoding means ( 20 ) decrypted motif ( 3 ) is accessible. Method for producing variable optical security features ( 1 ) for implementation on a device according to at least one of claims 1 to 9, by a set of security feature blocks ( 7 ), an optical representation of the security feature modules ( 7 ) each a single background grid ( 5 ), in each of which a single motif ( 4 ) into which a single motif grid ( 6 ) and its recognizability to the human eye by observation with a Dekodiermitel ( 20 ), from the security feature block set individual security feature blocks ( 7 ) and the selected security feature blocks ( 7 ) to one of the variable security features ( 1 ) and the variable security feature ( 1 ) and the recognizability of the security feature ( 1 ) to the human eye by viewing with the decoding element ( 20 ) is increased. Method according to claim 13, characterized in that the security feature modules ( 7 ) are stored as letters of a font. A method according to claim 14, characterized in that the font is provided as a font. A method according to claim 13, 14 or 15, characterized in that the Single background grid of parallel lines ( 5a ) is formed and the individual motif grid also from mutually parallel lines ( 6a ) and a single motif line grid ( 6 ) and a single background grid ( 5 ) are offset parallel to each other and the individual background lines ( 5a ) of adjacent security feature blocks ( 7 ) just merge into each other and the single motive lines ( 6a ) of adjacent security feature blocks ( 7 ) can be extended straight into each other. Method according to at least one of claims 13 to 16, characterized in that each security feature module ( 7 ) is superposed with a random dot pattern. Method according to at least one of the claims 13 to 17, characterized in that each security feature module ( 7 ) is overlaid with a random hole pattern. Method according to at least one of Claims 17 or 18, characterized in that random-hole patterns and / or random-point patterns are each stored in a further font. Method according to Claim 19, characterized in that the random-hole pattern and / or random-point pattern is printed on the security feature module ( 7 ) are superimposed. A method according to claim 18, 19 or 20, characterized in that further information is encoded in the random point and / or random hole pattern. Method according to at least one of claims 13 to 21, characterized in that the variable security features ( 1 ) is printed with a printer device with a resolution of at least 300 dpi, preferably at least 600 dpi and with a decoding means ( 20 ) with at least 70 LPI, preferably at least 150 lpi. Method according to at least one of claims 13 to 12, characterized in that valid motives ( 3 ) are stored in a database accessible for authentication and the valid motives ( 3 ) in a variable security feature ( 1 ) to be printed. Security feature produced in a method according to one of Claims 10 to 17, having a background grid filling in a background, and a motif ( 3 ), wherein the background grid and the motif grid are offset from each other, and the motif grid and the background grid are visually represented by printed color lines, and the recognizability of the subject ( 4 ) to the human eye by viewing with a decoding means ( 20 ) is increased. Security feature according to claim 24, characterized in that the motif ( 3 ) from single motives ( 4 ) individual security feature blocks ( 7 ) and the background grid of individual background screens ( 5 ) of the security feature blocks ( 7 ) is composed. Security feature according to claim 22, characterized in that the motif grid consists of individual motif grids ( 6 ) is composed Security feature according to at least one of claims 24 to 26, characterized in that a single background grid of mutually parallel lines ( 5a ) is formed and a single motif grid of mutually parallel lines ( 6a ) and a single motif line grid ( 6 ) and a single background grid ( 5 ) are printed offset parallel to each other and the individual background lines ( 5a ) of adjacent security feature blocks ( 7 ) just merge into each other and the single motive lines ( 6a ) of adjacent security feature blocks ( 7 ) are extendable into each other straight. Security feature according to at least one of claims 24 or 27, characterized in that each security feature module ( 7 ) is superposed with a random dot pattern. Security feature according to at least one of claims 24 to 28, characterized in that each security feature module ( 7 ) is overlaid with a random hole pattern. Security feature according to at least one of claims 28 or 29, characterized in that information is encoded in the distribution of the dots and / or holes. Security feature according to at least one of claims 24 to 30, characterized in that a line thickness (b) at b = 42 microns - 85 microns, preferably at b = 42 microns and a line spacing (d) at d = 170 microns. Security feature according to at least one of claims 24 to 31, characterized in that the motif ( 3 ) a randomized and rare serial number ( 40 ) which is stored with a serial number stored in a database and / or on the decoding means ( 20 ) in a plain text applied serial number ( 42 ) is comparable to the authentication.

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