ECSP20000407A - Un dispositivo de iluminación para un sistema óptico de un aparato lector - Google Patents

Un dispositivo de iluminación para un sistema óptico de un aparato lector

Info

Publication number
ECSP20000407A
ECSP20000407A ECSENADI2020407A ECDI202000407A ECSP20000407A EC SP20000407 A ECSP20000407 A EC SP20000407A EC SENADI2020407 A ECSENADI2020407 A EC SENADI2020407A EC DI202000407 A ECDI202000407 A EC DI202000407A EC SP20000407 A ECSP20000407 A EC SP20000407A
Authority
EC
Ecuador
Prior art keywords
light
reflector
region
optical system
redirect
Prior art date
Application number
ECSENADI2020407A
Other languages
English (en)
Inventor
Todor Dinoev
Pablo Sempere
Nicola Duca
François Huot
Original Assignee
Sicpa Holding Sa
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 Sicpa Holding Sa filed Critical Sicpa Holding Sa
Publication of ECSP20000407A publication Critical patent/ECSP20000407A/es

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning
    • G06K7/10742—Photodetector array or CCD scanning including a diffuser for diffusing the light from the light source to create substantially uniform illumination of the target record carrier

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Un dispositivo de iluminación para un sistema óptico de un aparato lector, que comprende una fuente de luz (3) dispuesta concéntricamente alrededor de un cuerpo hueco anular (2), un reflector de luz externo (5) para redirigir la luz para iluminar una zona en su extremo distal (5b), y un elemento reflector (8) con una superficie exterior con acabado de espejo (8a). La pared interna (6) del reflector de luz externo (5) está fabricada de un material reflectante, que tiene una primera parte (6a) con unas secciones transversales crecientes desde un extremo proximal (5a) a una primera región (6b) con una sección transversal máxima, y una segunda parte (6c) con unas secciones transversales decrecientes desde la primera región (6b) a una segunda región (6d) con una sección transversal mínima. El elemento reflector (8) está dispuesto frente a la fuente de luz (3) para redirigir la luz hacia la primera parte (6a) del reflector de luz externo (5). El dispositivo de iluminación (1) logra, en un espacio reducido, una alta eficiencia óptica y una iluminación uniforme en la marca a leer, evitando la reflexión especular.
ECSENADI2020407A 2017-06-06 2020-01-03 Un dispositivo de iluminación para un sistema óptico de un aparato lector ECSP20000407A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17174510 2017-06-06

Publications (1)

Publication Number Publication Date
ECSP20000407A true ECSP20000407A (es) 2020-02-28

Family

ID=59227440

Family Applications (1)

Application Number Title Priority Date Filing Date
ECSENADI2020407A ECSP20000407A (es) 2017-06-06 2020-01-03 Un dispositivo de iluminación para un sistema óptico de un aparato lector

Country Status (12)

Country Link
US (1) US10922506B2 (es)
EP (1) EP3635611B1 (es)
CN (1) CN110678870B (es)
CL (1) CL2019003210A1 (es)
DO (1) DOP2019000284A (es)
EA (1) EA037108B1 (es)
EC (1) ECSP20000407A (es)
ES (1) ES2878349T3 (es)
HU (1) HUE055404T2 (es)
MA (1) MA49243B1 (es)
PH (1) PH12019502753A1 (es)
WO (1) WO2018224283A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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CN120231975B (zh) * 2025-05-29 2025-10-10 新西旺智能科技(深圳)有限公司 一种用于cg油墨边夹层中小码成像光源

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US5585616A (en) * 1995-05-05 1996-12-17 Rockwell International Corporation Camera for capturing and decoding machine-readable matrix symbol images applied to reflective surfaces
US6275256B1 (en) * 1997-12-03 2001-08-14 Eastman Kodak Company Digital camera illuminator for the imaging of specular objects
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JP4258232B2 (ja) * 2003-03-03 2009-04-30 株式会社デンソーウェーブ 光学的情報読取装置
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Also Published As

Publication number Publication date
DOP2019000284A (es) 2020-02-16
HUE055404T2 (hu) 2021-11-29
EP3635611B1 (en) 2021-04-21
WO2018224283A1 (en) 2018-12-13
CN110678870B (zh) 2023-02-21
CL2019003210A1 (es) 2020-04-17
US10922506B2 (en) 2021-02-16
EA201992622A1 (ru) 2020-03-26
BR112019025588A2 (pt) 2020-06-16
US20200364423A1 (en) 2020-11-19
CN110678870A (zh) 2020-01-10
EA037108B1 (ru) 2021-02-08
EP3635611A1 (en) 2020-04-15
ES2878349T3 (es) 2021-11-18
PH12019502753A1 (en) 2020-06-08
CA3065123A1 (en) 2018-12-13
MA49243B1 (fr) 2021-07-29

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