• 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:
    Clipboard (1) formed by a rigid tablet with a flat surface and a fastening system (4), characterized in that the tablet is composed of a material transparent to electromagnetic radiation in at least a portion of the infrared spectrum. The clipboard incorporates in its interior a plurality of infrared radiation emitting elements within the infrared transmission band of the material composing the tablet. The emitters are located in at least one of the ends of the tablet and are oriented towards its interior so that its light propagates through the tablet whose rear surface and its edges are covered (10) with a material of reflection coefficient greater than 80% in the near infrared frequency range. This infrared light distorts images taken from documents with digital cameras, preventing them from being read in photographs. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2684448A1
    申请号:ES201730470
    申请日:2017-03-29
    公开日:2018-10-02
    发明作者:David MIRAUT ANDRES；Jose Javier San Martin Lopez
    申请人:Universidad Rey Juan Carlos；
    IPC主号:
    专利说明:

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    权利要求:
    Claims (1)
    [1]
    image 1
    类似技术:
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    ES2684448A1|2018-10-02|ANTICOPY CLIPPER |
    JP2013235043A5|2015-06-18|
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    同族专利:
    公开号 | 公开日
    ES2684448B2|2019-04-02|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US4628572A|1984-10-12|1986-12-16|Chang Shih Ho|Clip structure|
    US20040091110A1|2002-11-08|2004-05-13|Anthony Christian Barkans|Copy protected display screen|
    ES2249166A1|2004-09-01|2006-03-16|Karina Anticopia-Krac, S.L.|Camera recordings scrambling device for detecting video piracy, captures pirate images by recording light emitted from infrared diodes mounted behind cinema screen|
    WO2015065411A1|2013-10-31|2015-05-07|Intel Corporation|Enhanced security display technology|
    法律状态:
    2018-10-02| BA2A| Patent application published|Ref document number: 2684448 Country of ref document: ES Kind code of ref document: A1 Effective date: 20181002 |
    2019-04-02| FG2A| Definitive protection|Ref document number: 2684448 Country of ref document: ES Kind code of ref document: B2 Effective date: 20190402 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201730470A|ES2684448B2|2017-03-29|2017-03-29|ANTICOPY CLIPPER|ES201730470A| ES2684448B2|2017-03-29|2017-03-29|ANTICOPY CLIPPER|
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