CH479067A - Détecteur de variation de la réflectance superficielle d'un objet - Google Patents

Détecteur de variation de la réflectance superficielle d'un objet

Info

Publication number
CH479067A
CH479067A CH1856368A CH1856368A CH479067A CH 479067 A CH479067 A CH 479067A CH 1856368 A CH1856368 A CH 1856368A CH 1856368 A CH1856368 A CH 1856368A CH 479067 A CH479067 A CH 479067A
Authority
CH
Switzerland
Prior art keywords
detector
variation
surface reflectance
reflectance
Prior art date
Application number
CH1856368A
Other languages
English (en)
Inventor
Adam Chaimowicz Jean Claude
Original Assignee
Mining & Chemical Products 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
Application filed by Mining & Chemical Products Ltd filed Critical Mining & Chemical Products Ltd
Publication of CH479067A publication Critical patent/CH479067A/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K7/10821—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 further details of bar or optical code scanning devices
    • G06K7/10861—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 further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/55—Specular reflectivity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Theoretical Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
CH1856368A 1967-12-12 1968-12-12 Détecteur de variation de la réflectance superficielle d'un objet CH479067A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5645967A GB1214148A (en) 1967-12-12 1967-12-12 Device for detecting variations in the surface reflectance of objects

Publications (1)

Publication Number Publication Date
CH479067A true CH479067A (fr) 1969-09-30

Family

ID=10476678

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1856368A CH479067A (fr) 1967-12-12 1968-12-12 Détecteur de variation de la réflectance superficielle d'un objet

Country Status (4)

Country Link
CH (1) CH479067A (fr)
DE (1) DE1814276A1 (fr)
FR (1) FR1594988A (fr)
GB (1) GB1214148A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH621001A5 (fr) * 1977-12-06 1980-12-31 Lasag Sa
FR2414757A1 (fr) * 1978-01-11 1979-08-10 Rao Lecteur de code
AT356935B (de) * 1978-05-02 1980-06-10 Vianova Kunstharz Ag Anordnung zur messung der das glanzvermoegen von oberflaechen bestimmenden eigenschaften
FR2475256A1 (fr) * 1980-02-06 1981-08-07 Bortolin Ennio Lecteur de code a faisceau infrarouge lcd25
DE3200652C2 (de) * 1982-01-12 1992-01-16 Metzeler Kautschuk GmbH, 8000 München Dichtungsrahmen aus elastomerem Material
GB2117511A (en) * 1982-02-19 1983-10-12 Dr Paul Derek Cook Laser beam alignment detection
JPS62203071A (ja) * 1986-03-03 1987-09-07 Agency Of Ind Science & Technol 赤外センサ装置
DE10297565T5 (de) * 2001-12-17 2005-01-05 Cyberoptics Semiconductor, Inc., Beaverton Mapping-Sensor für Halbleiterwaferträger

Also Published As

Publication number Publication date
GB1214148A (en) 1970-12-02
FR1594988A (fr) 1970-06-08
DE1814276A1 (de) 1969-07-10

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Legal Events

Date Code Title Description
PL Patent ceased