FR2343245A1 - Dispositif reglable de mesure optique de brillance d'une surface - Google Patents

Dispositif reglable de mesure optique de brillance d'une surface

Info

Publication number
FR2343245A1
FR2343245A1 FR7637157A FR7637157A FR2343245A1 FR 2343245 A1 FR2343245 A1 FR 2343245A1 FR 7637157 A FR7637157 A FR 7637157A FR 7637157 A FR7637157 A FR 7637157A FR 2343245 A1 FR2343245 A1 FR 2343245A1
Authority
FR
France
Prior art keywords
tube
diaphragm
telescope
lenses
optical system
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.)
Granted
Application number
FR7637157A
Other languages
English (en)
French (fr)
Other versions
FR2343245B3 (enrdf_load_stackoverflow
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.)
Suga Test Instruments Co Ltd
Original Assignee
Suga Test Instruments Co 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 Suga Test Instruments Co Ltd filed Critical Suga Test Instruments Co Ltd
Publication of FR2343245A1 publication Critical patent/FR2343245A1/fr
Application granted granted Critical
Publication of FR2343245B3 publication Critical patent/FR2343245B3/fr
Granted 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
    • G01N21/57—Measuring gloss

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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7637157A 1976-03-29 1976-12-09 Dispositif reglable de mesure optique de brillance d'une surface Granted FR2343245A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67170276A 1976-03-29 1976-03-29

Publications (2)

Publication Number Publication Date
FR2343245A1 true FR2343245A1 (fr) 1977-09-30
FR2343245B3 FR2343245B3 (enrdf_load_stackoverflow) 1979-08-17

Family

ID=24695562

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7637157A Granted FR2343245A1 (fr) 1976-03-29 1976-12-09 Dispositif reglable de mesure optique de brillance d'une surface

Country Status (2)

Country Link
DE (1) DE2658269A1 (enrdf_load_stackoverflow)
FR (1) FR2343245A1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE2658269A1 (de) 1977-10-20
FR2343245B3 (enrdf_load_stackoverflow) 1979-08-17

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Legal Events

Date Code Title Description
ST Notification of lapse