FR1267645A - Device for photoelectric observation of a high contrast surface and at least a partial part of the moving surface - Google Patents

Device for photoelectric observation of a high contrast surface and at least a partial part of the moving surface

Info

Publication number
FR1267645A
FR1267645A FR838862A FR838862A FR1267645A FR 1267645 A FR1267645 A FR 1267645A FR 838862 A FR838862 A FR 838862A FR 838862 A FR838862 A FR 838862A FR 1267645 A FR1267645 A FR 1267645A
Authority
FR
France
Prior art keywords
high contrast
partial part
photoelectric observation
moving surface
moving
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
Application number
FR838862A
Other languages
French (fr)
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 DEL34350A external-priority patent/DE1122284B/en
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Priority to FR838862A priority Critical patent/FR1267645A/en
Application granted granted Critical
Publication of FR1267645A publication Critical patent/FR1267645A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/029—Heads optically focused on only one picture element at a time

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR838862A 1959-09-28 1960-09-17 Device for photoelectric observation of a high contrast surface and at least a partial part of the moving surface Expired FR1267645A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR838862A FR1267645A (en) 1959-09-28 1960-09-17 Device for photoelectric observation of a high contrast surface and at least a partial part of the moving surface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEL34350A DE1122284B (en) 1959-09-28 1959-09-28 Device for photoelectric scanning of a running web or the like for optically recognizable deviations
FR838862A FR1267645A (en) 1959-09-28 1960-09-17 Device for photoelectric observation of a high contrast surface and at least a partial part of the moving surface

Publications (1)

Publication Number Publication Date
FR1267645A true FR1267645A (en) 1961-07-21

Family

ID=25985260

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838862A Expired FR1267645A (en) 1959-09-28 1960-09-17 Device for photoelectric observation of a high contrast surface and at least a partial part of the moving surface

Country Status (1)

Country Link
FR (1) FR1267645A (en)

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