FR2867587B1 - Dispositif et procede pour la lecture electro-optique de signes - Google Patents

Dispositif et procede pour la lecture electro-optique de signes

Info

Publication number
FR2867587B1
FR2867587B1 FR0501999A FR0501999A FR2867587B1 FR 2867587 B1 FR2867587 B1 FR 2867587B1 FR 0501999 A FR0501999 A FR 0501999A FR 0501999 A FR0501999 A FR 0501999A FR 2867587 B1 FR2867587 B1 FR 2867587B1
Authority
FR
France
Prior art keywords
electro
signs
optical reading
reading
optical
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
FR0501999A
Other languages
English (en)
French (fr)
Other versions
FR2867587A1 (fr
Inventor
Pierre Craen
David Tsi Shi
Vladimir Gurevich
Edward Barkan
Igor Vinogradov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Symbol Technologies LLC
Original Assignee
Symbol Technologies LLC
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 Symbol Technologies LLC filed Critical Symbol Technologies LLC
Publication of FR2867587A1 publication Critical patent/FR2867587A1/fr
Application granted granted Critical
Publication of FR2867587B1 publication Critical patent/FR2867587B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B13/00—Ploughs or like machines for special purposes ; Ditch diggers, trench ploughs, forestry ploughs, ploughs for land or marsh reclamation
    • A01B13/02—Ploughs or like machines for special purposes ; Ditch diggers, trench ploughs, forestry ploughs, ploughs for land or marsh reclamation for making or working ridges, e.g. with symmetrically arranged mouldboards, e.g. ridging plough
    • 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
    • G06K7/10554—Moving beam scanning
    • G06K7/10594—Beam path
    • G06K7/10683—Arrangement of fixed elements
    • G06K7/10702—Particularities of propagating elements, e.g. lenses, mirrors
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00—Protection of plants
    • A01G13/30—Ground coverings
    • A01G13/32—Mats; Nets; Sheets or films
    • A01G13/33—Sheets or films
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00—Protection of plants
    • A01G13/30—Ground coverings
    • A01G13/38—Anchoring means for ground coverings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
    • G02B26/005—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid based on electrowetting
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G02B3/14—Fluid-filled or evacuated lenses of variable focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • 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
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Environmental Sciences (AREA)
  • Nonlinear Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Image Input (AREA)
FR0501999A 2004-03-11 2005-02-28 Dispositif et procede pour la lecture electro-optique de signes Expired - Lifetime FR2867587B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/798,498 US7201318B2 (en) 2004-03-11 2004-03-11 Optical adjustment for increased working range and performance in electro-optical readers

Publications (2)

Publication Number Publication Date
FR2867587A1 FR2867587A1 (fr) 2005-09-16
FR2867587B1 true FR2867587B1 (fr) 2007-10-12

Family

ID=34394615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0501999A Expired - Lifetime FR2867587B1 (fr) 2004-03-11 2005-02-28 Dispositif et procede pour la lecture electro-optique de signes

Country Status (7)

Country Link
US (1) US7201318B2 (enExample)
JP (1) JP2005259128A (enExample)
KR (1) KR20060043226A (enExample)
CN (1) CN100432746C (enExample)
DE (1) DE102005006584A1 (enExample)
FR (1) FR2867587B1 (enExample)
GB (1) GB2411998B (enExample)

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Also Published As

Publication number Publication date
GB2411998A (en) 2005-09-14
GB0503234D0 (en) 2005-03-23
GB2411998B (en) 2007-01-31
CN1667450A (zh) 2005-09-14
KR20060043226A (ko) 2006-05-15
CN100432746C (zh) 2008-11-12
DE102005006584A1 (de) 2005-09-29
US7201318B2 (en) 2007-04-10
US20050199725A1 (en) 2005-09-15
JP2005259128A (ja) 2005-09-22
FR2867587A1 (fr) 2005-09-16

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