MX9800910A - Monitoreo de marcas disimuladas. - Google Patents

Monitoreo de marcas disimuladas.

Info

Publication number
MX9800910A
MX9800910A MX9800910A MX9800910A MX9800910A MX 9800910 A MX9800910 A MX 9800910A MX 9800910 A MX9800910 A MX 9800910A MX 9800910 A MX9800910 A MX 9800910A MX 9800910 A MX9800910 A MX 9800910A
Authority
MX
Mexico
Prior art keywords
monitoring
covert marks
imagewise distribution
covert
polarised
Prior art date
Application number
MX9800910A
Other languages
English (en)
Other versions
MXPA98000910A (es
Inventor
Richard Mark Farrar
Barry Alan Hood
Original Assignee
Sls Biophile Ltd
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
Priority claimed from GBGB9515948.9A external-priority patent/GB9515948D0/en
Priority claimed from GBGB9517401.7A external-priority patent/GB9517401D0/en
Application filed by Sls Biophile Ltd filed Critical Sls Biophile Ltd
Publication of MX9800910A publication Critical patent/MX9800910A/es
Publication of MXPA98000910A publication Critical patent/MXPA98000910A/es

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/02Pyrography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44BMACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B7/00Machines, apparatus or hand tools for branding, e.g. using radiant energy such as laser beams
    • B44B7/002Machines, apparatus or hand tools for branding, e.g. using radiant energy such as laser beams in layered material

Landscapes

  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Laser Beam Printer (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Burglar Alarm Systems (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Disintegrating Or Milling (AREA)
  • Glass Compositions (AREA)
  • Laser Beam Processing (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Polarising Elements (AREA)
  • Control Of Temperature (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

Un método y aparato para monitorear un cuerpo que tiene una superficie reflejante (1), una capa de recubrimiento (2) de material transparente a la luz visible presente sobre la superficie (1), y que produce una discontinuidad optica disimulada en una distribucion por imágenes sobre la capa (2); la distribucion por imágenes es tal que es visible por medio de luz polarizada (7), y viendo a través de un filtro polarizado (8).
MXPA/A/1998/000910A 1995-08-03 1998-02-02 Monitoreo de marcas disimuladas MXPA98000910A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9515948.9A GB9515948D0 (en) 1995-08-03 1995-08-03 Marking
GB9515948.9 1995-08-03
GBGB9517401.7A GB9517401D0 (en) 1995-08-24 1995-08-24 Marking
GB9517401.7 1995-08-24

Publications (2)

Publication Number Publication Date
MX9800910A true MX9800910A (es) 1998-10-31
MXPA98000910A MXPA98000910A (es) 1999-01-11

Family

ID=

Also Published As

Publication number Publication date
KR100388746B1 (ko) 2003-10-17
CN1181038A (zh) 1998-05-06
JPH11510259A (ja) 1999-09-07
EP0833755B1 (en) 2000-02-02
IL123146A (en) 2001-12-23
DE69606534D1 (de) 2000-03-09
WO1997006016A1 (en) 1997-02-20
ES2144762T3 (es) 2000-06-16
EP0833755A1 (en) 1998-04-08
AU6664396A (en) 1997-03-05
DE69606534T2 (de) 2000-07-27
NO980345L (no) 1998-03-16
ATE189428T1 (de) 2000-02-15
DK0833755T3 (da) 2000-07-24
CA2228514A1 (en) 1997-02-20
US6100967A (en) 2000-08-08
NZ315048A (en) 1998-04-27
KR19990036078A (ko) 1999-05-25
NO980345D0 (no) 1998-01-26
IL123146A0 (en) 1998-09-24

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