• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Process and apparatus for checking the authenticity of valuable documents by subjecting the document to be checked in a closed room to at least incident light, transmitting and floodlight, especially floodlight at angles of 0 tot 15°. Apparatus is described with document examination places without relative interference of the different radiation.
    公开号:SU1367872A3
    申请号:SU843711213
    申请日:1984-03-05
    公开日:1988-01-15
    发明作者:Корнелис Дионосиус Янус；Алле Виленга
    申请人:Ядримекс Аутомещен Груп Б.В. (Фирма)；
    IPC主号:
    专利说明:

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    The invention relates to devices for checking valuable documents, bank notes, checks, passports, driver's licenses, and the like.
    The aim of the invention is to simplify the design and improve the accuracy of the device.
    Figure 1 shows the proposed device, a General view; figure 2 - diagram of the device.
    The device includes a housing I, made of three parts; the left part of the housing 2 is intended for connecting the device to the power supply; the central part of the housing — the first compartment 3 — is intended for examining penetrating light and the right part of the housing — the second compartment 4 — is intended for examining documents with oblique light, elements 5 and 6 of connecting the device to nets, a transparent window 7, made of synthetic material, for example, acrylate, fixed by, for example, angles 8, a white light source 9, equipped with a light-guiding screen 10, an opaque screen
    11, an ultraviolet or fluorescent light source 12, a safety cap 13, a partition 14, a base screen 15 having two zones 16 and 17 of various parameters, and an entrance slit 18.
    The device works as follows.
    The document is placed for ultraviolet irradiation on the base of the screen 15 in zone 17, on which the object can also be examined with oblique light. Zone 16 is intended for examination only with oblique light. In the upper part on the translucent window 7, an object is examined with penetrating light. The protective cap 13, for example, consists of a blue protective glass in order to filter ultraviolet light and to protect the consumer from this light.
    0
    five
    five
    by overprinting bright ink brightens in contrast with the rest of the banknote. The fibers in genuine banknotes brighten the fluorescence under these sources. There are no fake copies of these fibers. To control possible counterfeits by cleaning up with chemicals or any counterfeit, banknotes or other documents are placed under ultraviolet light. Counterfeits are contrasted by the absorption or fluorescence of ultraviolet light on the document paper. On a white plane of synthetic material, a possible watermark in paper is visible when a white light source is on.
    In the case of a fake by means of a mechanical cleaning, some are erased with a rubber or wipe with a knife or other sharp objects with a document, after which new fake notes are printed or engraved on the document, the paper, canvas and suline fibers are also erased or damaged. With these, interpolations appear through the document, which must be controlled, on the translucent plane. The light source shines through the paper or canvas of the document. If the paper is damaged, go to the canvas, the paper, canvas or 5 satin layer is thinned and thus transmits more light than the surrounding non-manufactured parts of the controlled document. At the described fakes, bright spots can be seen.
    When inspected by oblique or sliding light, the document is placed in the apparatus under the switched on lamp (source), emitting at least white light, in the front zone 17 or in the rear zone 16 of the control. White light in both cases shines on the document with a small angle of incidence. Angle, which, mainly can be adjusted, not pain. Stamps and imitations0
    0
    five
    Banknote or other document of the size of 50 watermark and metallography
    Squash in zone 17 for blue fluorescent light source 12 or other types of ultraviolet or fluorescent light sources. After turning on these sources, it is possible to ascertain by the absorption or fluorescence of the light on the paper whether the banknotes or other documents are fake, and possible forged watermarks
    It can be clearly seen and it is possible to investigate them. The possibilities provided for the study with oblique sliding light reveal details that are not shown in other ways.
    权利要求:
    Claims (3)
    [1]
    1. A device for controlling the authenticity of documents, comprising a housing.
    having a base screen and an entrance slit, the housing is divided into two compartments by an opaque screen, a light source is installed in each of the compartments, equipped with a light-guiding screen, light sources in the compartments of white light and ultraviolet or fluorescent light, the upper part of the housing is equipped with a translucent window located above One of the compartments of the housing, characterized in that, in order to simplify the design and improve the accuracy of the device, a white light source is located under a modernized window and a flood light on the base screen with an incident angle from 0 to preferably 15 and penetrating light on the translucent window, in a different compartment of the housing a source of ultraviolet or fluorescent light is arranged to create incident light on the base screen.
    [2]
    2. The device according to claim 1, of which is that the light transmitting screen of the light sources is adjustable.
    [3]
    3. The device according to claim 1, about tl and - that the base-screen contains two zones of control of various parameters.
    F. 2
    类似技术:
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    同族专利:
    公开号 | 公开日
    EP0121272B1|1988-08-24|
    CA1240964A|1988-08-23|
    EP0121272A1|1984-10-10|
    DE3473664D1|1988-09-29|
    JPS59177690A|1984-10-08|
    US4634872A|1987-01-06|
    NL8300784A|1984-10-01|
    AT36765T|1988-09-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE4333667A1|1993-10-02|1995-04-06|Stephan Dr Handy|Method for detecting counterfeitmoney, and test device for carrying out the method|US2059197A|1935-05-17|1936-11-03|Ralph P Rockwood|Counterfeit paper money detector|
    US2099012A|1935-05-29|1937-11-16|Hammermill Paper Co|Optical testing|
    CH482252A|1969-04-16|1969-11-30|Landis & Gyr Ag|Method and device for the detection of a surface structure with a preferred optical direction, in particular for the detection of gravure printing for checking the authenticity of banknotes|
    US3842281A|1973-02-05|1974-10-15|R Goodrich|Counterfeit document detector|
    AT321009B|1973-07-10|1975-03-10|Gao Ges Automation Org|Device for the semi-automatic visual inspection of banknotes or the like. on authenticity|
    DE2406634A1|1974-02-12|1975-08-14|Oldenbourg Graphik R|Counter top for checking banknotes and cheques - allows light to shine through the banknotes from below|
    DE7620757U1|1976-06-30|1977-11-03|Original Hanau Quarzlampen Gmbh, 6450 Hanau|TEST DEVICE|
    FR2382060A1|1977-02-25|1978-09-22|France Esthetique Diffusion|Document genuineness testing appts. - has UV light source and magnifying window for examination of documents|GB9220998D0|1992-10-06|1992-11-18|Europ Design Consortium Limite|Counterfeit indentification apparatus|
    US5918960A|1994-01-04|1999-07-06|Mars Incorporated|Detection of counterfeit objects, for instance counterfeit banknotes|
    WO1995019019A2|1994-01-04|1995-07-13|Mars, Incorporated|Detection of counterfeits objects, for instance counterfeits banknotes|
    GB2279480B|1993-06-25|1997-04-09|Counchine Co Ltd|Improvements relating to security feature detectors|
    US6019287A|1993-10-06|2000-02-01|3M Innovative Properties Company|Security reader for automatic detection of tampering and alteration|
    US5572319A|1994-10-24|1996-11-05|Blackman; Stephen E.|Stain detector apparatus and method|
    US5874742A|1996-12-24|1999-02-23|Romano; Camille|Counterfeit detection viewer apparatus for paper currency|
    US6269169B1|1998-07-17|2001-07-31|Imaging Automation, Inc.|Secure document reader and method therefor|
    JP2001093018A|1999-09-22|2001-04-06|World Techno:Kk|Method for discriminating authenticity of paper sheets|
    WO2001027866A1|1999-10-14|2001-04-19|Win Erickson|Point of sale counterfeit detection apparatus|
    JP2001181998A|1999-12-27|2001-07-03|Printing Bureau Ministry Of Finance|Safety paper, method for producing the same, method for discriminating truth and apparatus for discriminating truth|
    US6593962B1|2000-05-18|2003-07-15|Imaging Automation, Inc.|Image recording for a document generation system|
    ES2188420B1|2001-12-03|2004-12-16|Administracion De La Comunidad Autonoma De Euskadi|PRINT VISUALIZATION DEVICE MADE WITH VISIBLE RESPONSE INKS UNDER ULTRAVIOLET RADIATION.|
    TW522349B|2002-06-21|2003-03-01|Int Currency Tech|Infrared ink displaying device|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    NL8300784A|NL8300784A|1983-03-03|1983-03-03|METHOD FOR CHECKING THE AUTHENTICITY OF DOCUMENTS AND THE APPARATUS INTENDED FOR THAT.|
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