MX9704348A - Metodos de proteccion de documentos y productos. - Google Patents

Metodos de proteccion de documentos y productos.

Info

Publication number
MX9704348A
MX9704348A MX9704348A MX9704348A MX9704348A MX 9704348 A MX9704348 A MX 9704348A MX 9704348 A MX9704348 A MX 9704348A MX 9704348 A MX9704348 A MX 9704348A MX 9704348 A MX9704348 A MX 9704348A
Authority
MX
Mexico
Prior art keywords
methos
products
document protection
lines
pitch
Prior art date
Application number
MX9704348A
Other languages
English (en)
Other versions
MXPA97004348A (es
Inventor
Thomas M Wicker
Original Assignee
Thomas M Wicker
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomas M Wicker filed Critical Thomas M Wicker
Publication of MXPA97004348A publication Critical patent/MXPA97004348A/es
Publication of MX9704348A publication Critical patent/MX9704348A/es

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B41M3/146—Security printing using a non human-readable pattern which becomes visible on reproduction, e.g. a void mark
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S285/00—Pipe joints or couplings
    • Y10S285/902—Canted ring

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Color Printing (AREA)

Abstract

Un método y producto para producir documentos no reproducibles (20) en donde señales casi invisible (23) en el documento 20 se imprimen por líneas tamizadas continuas de un paso deseado (22) y un fondo (24) que no reproduce por copiado, que se forma por reproduccion ortogonal de imágenes positiva/negativa de líneas continuas para producir líneas interrumpidas de un ancho y paso deseado.
MX9704348A 1996-06-13 1997-06-12 Metodos de proteccion de documentos y productos. MX9704348A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US1973296P 1996-06-13 1996-06-13
US019732 1996-06-13
US08/666,006 US5788285A (en) 1996-06-13 1996-06-19 Document protection methods and products
US08666006 1996-06-19

Publications (2)

Publication Number Publication Date
MXPA97004348A MXPA97004348A (es) 1998-04-01
MX9704348A true MX9704348A (es) 1998-04-30

Family

ID=26692534

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9704348A MX9704348A (es) 1996-06-13 1997-06-12 Metodos de proteccion de documentos y productos.

Country Status (3)

Country Link
US (1) US5788285A (es)
CA (1) CA2207127A1 (es)
MX (1) MX9704348A (es)

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JP4624776B2 (ja) * 2004-12-28 2011-02-02 富士フイルム株式会社 ３群ズームレンズ
JP2008535293A (ja) * 2005-03-22 2008-08-28 イーストマン コダック カンパニー 光沢差を制御する方法および装置ならびにそれにより製作された印字項目
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Also Published As

Publication number Publication date
US5788285A (en) 1998-08-04
CA2207127A1 (en) 1997-12-13

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