公开(公告)号：EP1195423A4

公开(公告)日：2003-07-23

申请号：EP01901558

申请日：2001-01-29

申请人： TOKYO MAGNETIC PRINTING

发明人： SANADA SATOSHI ,  HATANO MASAYUKI

IPC分类号： C09K19/12 ,  C09K19/18 ,  C09K19/20 ,  C09K19/30 ,  C09K19/34 ,  C09K19/38 ,  C09K19/60 ,  G02F1/133 ,  G02F1/1333 ,  G02F1/1337 ,  G02F1/139 ,  G06K19/06 ,  B42D15/10 ,  G02F1/13 ,  G02F1/137 ,  G06K19/00

CPC分类号： G06K19/07703 ,  C09K19/12 ,  C09K19/18 ,  C09K19/20 ,  C09K19/2007 ,  C09K19/3003 ,  C09K19/3066 ,  C09K19/3068 ,  C09K19/3402 ,  C09K19/3458 ,  C09K19/3852 ,  C09K19/60 ,  C09K2019/0448 ,  C09K2019/3422 ,  G02F1/132 ,  G02F1/133365 ,  G02F1/13725 ,  G02F2001/133742 ,  G06K19/06046 ,  Y10T428/10

摘要： A reversible information display medium of liquid crystal type comprises a recording layer comprising a liquid crystalline composition whose main component exhibits a glass state at room temperature and a dichroic dye, said liquid crystalline composition exhibiting an isotropic liquid state or a liquid crystal domain state by the application of heat and further exhibiting a homeotropic orientation state by the application of both heat and electric field. A non-contact IC card employing the reversible information display medium of liquid crystal type is also provided.

公开(公告)号：EP1321890A1

公开(公告)日：2003-06-25

申请号：EP01830772.8

申请日：2001-12-18

申请人： ISTITUTO POLIGRAFICO E ZECCA DELLO STATO

发明人： Casini, Michela, Ist. Poligrafico e Zecca dello St ,  Luciani, Laura, Ist Poligrafico e Zecca dello Stat ,  Lucentini, Flavio, Gruppo Testa Elettronica Srl

IPC分类号： G06K19/16 ,  G06K19/14 ,  G02B26/10

CPC分类号： G06K19/06046 ,  G02B5/1814 ,  G03H1/0244 ,  G03H1/028 ,  G03H2260/14 ,  G06K19/14 ,  G06K19/16 ,  G06K2019/0629

摘要： Optical data carrier (1) having a multilevel construction, comprising a first (2) and a second (3) diffractive structure obtained on overlapped levels, wherein one (3) of these structures has a diffractive information code and the other one (2) a diffractive control code acting as read key for the information code, the construction being such that, upon exposing the device to a substantially monochromatic electromagnetic wave beam, each structure deflects such incident electromagnetic wave beam into one or more diffracted beams spatially independent from the one or more diffracted beams generated by the other structure.

摘要翻译： （1）具有多级结构，包括光学数据载体上的第一（2）和第二（3）衍射结构获得上重叠的水平，worin一个合成结构（3）具有衍射信息代码，而另一个（2） 作用的信息代码作为读出键的衍射控制码，被检查的构造，其中，在该装置暴露于基本上单色的电磁波束，每个结构偏转搜索入射电磁波束成空间独立于一个的一个或多个衍射光束 或多个衍射由其它结构产生的光束。

公开(公告)号：EP0911758A3

公开(公告)日：2003-03-26

申请号：EP98305901.5

申请日：1998-07-24

申请人： NHK SPRING CO.LTD. ,  Nippon Mitsubishi Oil Corporation

发明人： Hoshino, Hidekazu, c/o NHK Spring Co., Ltd. ,  Takeuchi, Itsuo, c/o NHK Spring Co., Ltd. ,  Shibuya, Seiya, c/o NHK Spring Co., Ltd.

IPC分类号： G06K19/16 ,  G06K7/12 ,  B42D15/10 ,  G06K19/06

CPC分类号： B42D25/364 ,  B42D25/328 ,  B42D2033/26 ,  G03H1/0011 ,  G03H1/02 ,  G03H1/0244 ,  G03H1/0256 ,  G03H2001/2244 ,  G03H2250/34 ,  G03H2250/36 ,  G03H2250/38 ,  G03H2250/40 ,  G03H2250/41 ,  G06K7/12 ,  G06K19/06046

摘要： Provided is an economical identification system suitable for use on commercial products which is difficult to duplicate, and highly identifiable. The system includes an identification medium having a high-polymer cholesteric liquid crystal material applicd thereon. The high-polymer cholesteric liquid crystals selectively reflect a certain wavelength, and this wavelength changes with the change in the incident angle of the light. The liquid crystals also have the property to circularly polarize the reflected light in either sense. By taking advantages of such properties, it is possiblc to provide a highly identifiable structure which, however, is highly difficult to illicitly duplicate. In particular, by forming the reflective layer of a hologram with high-polymer cholesteric liquid crystals, the hologram can be used as an identification medium which is highly difficult to duplicatc but easy to identify with a machine.

公开(公告)号：EP0689160B1

公开(公告)日：2003-03-26

申请号：EP94930342.4

申请日：1994-10-19

申请人： Ricoh Company, Ltd

发明人： MORI, Makoto ,  KOMIYA, Nobuyasu ,  HOTTA, Yoshihiko ,  SUZUKI, Kazumi ,  YOSHINO, Masaki Comfort Palace Tunashima 2-A ,  Suzuki, Akira

IPC分类号： G06K1/12 ,  G06K19/06 ,  G06K17/00 ,  G06K19/00 ,  B42D15/10

CPC分类号： G06K19/08 ,  G06K1/126 ,  G06K19/06046

公开(公告)号：EP0624636B1

公开(公告)日：2003-02-26

申请号：EP94303355.5

申请日：1994-05-10

申请人： Hitachi Maxell Ltd.

发明人： Takeuchi, Yoji ,  Oshima, Toshio ,  Fukao, Ryuzo ,  Kanzaki, Hisao

IPC分类号： C09K11/78 ,  C09K11/81 ,  C09K11/08 ,  G06K7/12 ,  G06K19/14

CPC分类号： C09K11/7709 ,  B41M3/144 ,  C09K11/08 ,  C09K11/7701 ,  C09K11/7756 ,  C09K11/7769 ,  C09K11/7777 ,  G06K7/12 ,  G06K19/06046 ,  Y10S428/913

公开(公告)号：EP1081639A3

公开(公告)日：2002-08-07

申请号：EP00115940.9

申请日：2000-07-25

申请人： Winter AG

发明人： Albrecht, Michael ,  Wagner, Alfred ,  Winter, Lorenz ,  Bernhard, Walter

IPC分类号： G06K19/04 ,  G06K19/06 ,  B42D15/08

CPC分类号： B42D15/085 ,  B42D15/08 ,  G06K19/06046

摘要： Die Erfindung schafft einen Datenträger (1) für visuell lesbare Daten mit einem kartenartigen Trägerelement (2), das wenigstens einen Datenbereich (12) aufweist, auf dem visuell lesbare Daten (15) aufgebracht sind, und bevorzugt eine auf dem oder jedem Datenbereich (12) angeordneten Abdeckung (13), z.B. in Form eines selbstklebenden Haftetikett mit einer Farbabdeckung, die - unter Beschädigung oder Zerstörung der Abdeckung - entfernbar ist. Bei der Herstellung wird eine Schutzfläche (3) und/oder das Trägerelement (2) derart geschwenkt, daß die Schutzfläche (3) eine Seitenfläche des Trägerelements (2) zumindest teilweise abdeckt.

公开(公告)号：EP1193080A3

公开(公告)日：2002-07-03

申请号：EP01307336.6

申请日：2001-08-29

申请人： ULTRA ELECTRONICS LIMITED

发明人： Coles, Raymond W.

IPC分类号： B41M5/36 ,  B41M3/14 ,  B41M3/00 ,  B42D15/10 ,  G06K19/16

CPC分类号： B42D25/22 ,  B41M3/008 ,  B41M3/14 ,  B41M5/36 ,  B42D25/00 ,  B42D25/378 ,  B42D25/391 ,  B42D2033/18 ,  G06K19/06046 ,  G06K19/16 ,  Y10T428/24802

摘要： A security card is provided in which an ink region 6 bearing image or textural data is printed onto a substrate 4. A reflective portion 8 is also provided on the substrate 4. A plastics protective layer 7 is deposited over the ink 6 and reflective element 8. Portions 10 of the protective layer 7 are overworked in order to change their appearance. Those portions overlying the reflective element 8 exhibit enhanced visibility.

公开(公告)号：EP1061467A3

公开(公告)日：2002-06-05

申请号：EP00202000.6

申请日：2000-06-06

申请人： EASTMAN KODAK COMPANY

发明人： Nelson, David J., Eastman Kodak Company

IPC分类号： G06K7/10 ,  G06K19/06

CPC分类号： G06K19/06046 ,  G06K7/10544

摘要： An object bearing a two-dimensional visible image on an image field of a non-planar and curved object surface in at least one dimension also bears an encodement of encoded information recorded in a symbology of a material that is visible or invisible to the eye and over a substantial portion of the image field. The encodement includes curved encodement portions due to the curvature of the non-planar image field. The symbology of the encodement is adapted to be imaged as a planar symbology image by a planar imager that is disposed in use generally normal to and at a predetermined distance from a central point of the two-dimensional visible image. The recorded symbology is adjusted from point to point in the image field during recording of the encodement by an encodement recording system to compensate for distortion of the symbology introduced by imaging the curved symbology portions as the planar symbology image. In an encodement reader system, the encodement is captured by the planar imager and decoded and then reproduced as data or sound or visual information.

公开(公告)号：EP1193080A2

公开(公告)日：2002-04-03

申请号：EP01307336.6

申请日：2001-08-29

申请人： ULTRA ELECTRONICS LIMITED

发明人： Coles, Raymond W.

IPC分类号： B41M5/36 ,  B41M3/14 ,  B41M3/00 ,  B42D15/10 ,  G06K19/16

CPC分类号： B42D25/22 ,  B41M3/008 ,  B41M3/14 ,  B41M5/36 ,  B42D25/00 ,  B42D25/378 ,  B42D25/391 ,  B42D2033/18 ,  G06K19/06046 ,  G06K19/16 ,  Y10T428/24802

摘要： A security card is provided in which an ink region 6 bearing image or textural data is printed onto a substrate 4. A reflective portion 8 is also provided on the substrate 4. A plastics protective layer 7 is deposited over the ink 6 and reflective element 8. Portions 10 of the protective layer 7 are overworked in order to change their appearance. Those portions overlying the reflective element 8 exhibit enhanced visibility.

摘要翻译： 提供了一种安全卡，其中承载图像或纹理数据的油墨区域6被印刷到基底4上。反射部分8也被提供在基底4上。塑料保护层7被沉积在油墨6和反射元件8上 保护层7的部分10过度加工以改变其外观。 覆盖反射元件8的那些部分表现出增强的可见度。

公开(公告)号：EP0954832B1

公开(公告)日：2002-02-06

申请号：EP97952951.8

申请日：1997-12-17

申请人： BUNDESDRUCKEREI GmbH

发明人： AHLERS, Benedikt ,  GUTMANN, Roland ,  FRANZ-BURGHOLZ, Arnim ,  SCHMIDT, Wolfgang ,  PAUGSTADT, Ralf ,  KROKKER, Hans-Konrad

IPC分类号： G07D7/00

CPC分类号： B41M3/14 ,  B42D25/29 ,  G06K19/06046 ,  G07D7/14

摘要： The invention relates to a value and security product with at least one security characteristic, in particular value products like bank notes, cheque forms, shares, personal documents, credit and cheque cards etc. Known value and security products contain for the most part optically visible security characteristics, which do not afford sufficient security against forgery. To enhance security against forgery, the invention envisages that the security characteristic consists of a substance which can be detected as a gas.