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ES293559A1 - Instalaciën para la detecciën de un trazo sobre una hoja translucida - Google Patents

Instalaciën para la detecciën de un trazo sobre una hoja translucida

Info

Publication number
ES293559A1
ES293559A1 ES0293559A ES293559A ES293559A1 ES 293559 A1 ES293559 A1 ES 293559A1 ES 0293559 A ES0293559 A ES 0293559A ES 293559 A ES293559 A ES 293559A ES 293559 A1 ES293559 A1 ES 293559A1
Authority
ES
Spain
Prior art keywords
light
photo
electric cell
sheet
mirror
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
ES0293559A
Other languages
English (en)
Spanish (es)
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain 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 Compagnie de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Publication of ES293559A1 publication Critical patent/ES293559A1/es
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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/55—Specular reflectivity

Landscapes

  • Physics & Mathematics (AREA)
  • 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)
  • Geophysics And Detection Of Objects (AREA)
ES0293559A 1962-11-16 1963-11-15 Instalaciën para la detecciën de un trazo sobre una hoja translucida Expired ES293559A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR915676A FR1347223A (fr) 1962-11-16 1962-11-16 Procédé et dispositif pour détecter un tracé sur une feuille translucide

Publications (1)

Publication Number Publication Date
ES293559A1 true ES293559A1 (es) 1964-04-16

Family

ID=8790964

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0293559A Expired ES293559A1 (es) 1962-11-16 1963-11-15 Instalaciën para la detecciën de un trazo sobre una hoja translucida

Country Status (4)

Country Link
BE (1) BE639792A (xx)
ES (1) ES293559A1 (xx)
FR (1) FR1347223A (xx)
GB (1) GB988440A (xx)

Also Published As

Publication number Publication date
FR1347223A (fr) 1963-12-27
BE639792A (xx)
GB988440A (en) 1965-04-07

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