FR2104264A5 - - Google Patents

Info

Publication number
FR2104264A5
FR2104264A5 FR7129490A FR7129490A FR2104264A5 FR 2104264 A5 FR2104264 A5 FR 2104264A5 FR 7129490 A FR7129490 A FR 7129490A FR 7129490 A FR7129490 A FR 7129490A FR 2104264 A5 FR2104264 A5 FR 2104264A5
Authority
FR
France
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
FR7129490A
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.)
Agfa Gevaert NV
Original Assignee
Agfa Gevaert NV
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 Agfa Gevaert NV filed Critical Agfa Gevaert NV
Application granted granted Critical
Publication of FR2104264A5 publication Critical patent/FR2104264A5/fr
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
    • G01N21/86—Investigating moving sheets

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)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7129490A 1970-08-25 1971-08-11 Expired FR2104264A5 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB4088470A GB1364439A (en) 1970-08-25 1970-08-25 Measurement of optical density
US17446971A 1971-08-24 1971-08-24
US00356067A US3809911A (en) 1970-08-25 1973-05-01 Method of measuring optical density

Publications (1)

Publication Number Publication Date
FR2104264A5 true FR2104264A5 (fr) 1972-04-14

Family

ID=27259666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7129490A Expired FR2104264A5 (fr) 1970-08-25 1971-08-11

Country Status (6)

Country Link
US (1) US3809911A (fr)
BE (1) BE771380A (fr)
CA (1) CA946956A (fr)
DE (1) DE2140752C3 (fr)
FR (1) FR2104264A5 (fr)
GB (1) GB1364439A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172102B (en) * 1985-03-09 1988-10-19 Haigh Chadwick Ltd Textile structure measurement
GB8506149D0 (en) * 1985-03-09 1985-04-11 Haigh Chadwick Ltd Textile structure measurement
NL8901722A (nl) * 1989-07-06 1991-02-01 Oce Nederland Bv Inrichting voor het meten van door een informatiedrager verstrooid licht.
GB9020124D0 (en) * 1990-09-14 1990-10-24 Kodak Ltd Photographic processing apparatus
US6238077B1 (en) 1996-01-23 2001-05-29 Advanced Optical Technologies, L.L.C. Apparatus for projecting electromagnetic radiation with a tailored intensity distribution
US5773819A (en) * 1996-01-23 1998-06-30 Advanced Optical Technologies, Llc. Single element light detector
US6064061A (en) * 1998-03-31 2000-05-16 Advanced Optical Technologies, L.L.C. Enhancements in radiant energy transducer systems
US5705804A (en) * 1996-01-23 1998-01-06 Science Applications International Corporation Quadrant light detector
US5914487A (en) * 1997-01-22 1999-06-22 Advanced Optical Technologies, Llc Radiant energy transducing apparatus with constructive occlusion

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769374A (en) * 1951-10-19 1956-11-06 Sick Erwin Electrical light screen
US3377484A (en) * 1963-11-01 1968-04-09 American Enka Corp Optical fluff detecting apparatus employing dual light paths
DE1221927B (de) * 1964-05-06 1966-07-28 Sick Erwin Lichtschranke, insbesondere Unfallschutzvorrichtung
GB1116213A (en) * 1964-06-16 1968-06-06 Charles Gunn Russell Optical scanning apparatus for detecting changes of quality of a material

Also Published As

Publication number Publication date
BE771380A (nl) 1972-02-17
DE2140752C3 (de) 1980-01-24
CA946956A (en) 1974-05-07
DE2140752A1 (de) 1972-03-02
DE2140752B2 (de) 1979-05-03
GB1364439A (en) 1974-08-21
US3809911A (en) 1974-05-07

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Legal Events

Date Code Title Description
ST Notification of lapse