FR2500929B1 - Appareil detecteur de la plage de noircissement d'un film - Google Patents

Appareil detecteur de la plage de noircissement d'un film

Info

Publication number
FR2500929B1
FR2500929B1 FR8203140A FR8203140A FR2500929B1 FR 2500929 B1 FR2500929 B1 FR 2500929B1 FR 8203140 A FR8203140 A FR 8203140A FR 8203140 A FR8203140 A FR 8203140A FR 2500929 B1 FR2500929 B1 FR 2500929B1
Authority
FR
France
Prior art keywords
range sensor
sensor apparatus
film darkening
darkening range
film
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
FR8203140A
Other languages
English (en)
Other versions
FR2500929A1 (fr
Inventor
Tomiji Hotta
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing 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 Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of FR2500929A1 publication Critical patent/FR2500929A1/fr
Application granted granted Critical
Publication of FR2500929B1 publication Critical patent/FR2500929B1/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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR8203140A 1981-02-27 1982-02-25 Appareil detecteur de la plage de noircissement d'un film Expired FR2500929B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2894181A JPS57142548A (en) 1981-02-27 1981-02-27 Photographic density detector for film

Publications (2)

Publication Number Publication Date
FR2500929A1 FR2500929A1 (fr) 1982-09-03
FR2500929B1 true FR2500929B1 (fr) 1986-01-31

Family

ID=12262425

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8203140A Expired FR2500929B1 (fr) 1981-02-27 1982-02-25 Appareil detecteur de la plage de noircissement d'un film

Country Status (4)

Country Link
JP (1) JPS57142548A (fr)
DE (1) DE3204066C2 (fr)
FR (1) FR2500929B1 (fr)
GB (1) GB2094471B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107242A (ja) * 1982-12-11 1984-06-21 Dainippon Screen Mfg Co Ltd フイルムの黒化量測定装置
US5198878A (en) * 1990-11-30 1993-03-30 International Business Machines Corporation Substrate machining verifier
US5117119A (en) * 1991-03-13 1992-05-26 Minnesota Mining And Manufacturing Company Auto-ranging film densitometer
JP3438624B2 (ja) * 1998-12-01 2003-08-18 ウシオ電機株式会社 ランプの黒化検出方法
JP7248281B2 (ja) * 2018-10-02 2023-03-29 新電子株式会社 光透過測定装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506838A (en) * 1968-02-02 1970-04-14 Cutler Hammer Inc Photoelectric defect detector responding to inequality of residual charges on pairs of capacitors connected to pairs of photocells
GB1268905A (en) * 1968-07-19 1972-03-29 Plessey Co Ltd Improvements in or relating to integrated circuit devices
DE1797219A1 (de) * 1968-08-30 1971-08-05 Adox Du Pont Fotowerke Vorrichtung zum Messen der Schwaerzung belichteter und entwickelter Proben von photographischen Filmen
US3814846A (en) * 1972-01-20 1974-06-04 Reticon Corp High density photodetection array
JPS563409B2 (fr) * 1974-04-19 1981-01-24
JPS5528504Y2 (fr) * 1976-03-12 1980-07-08
DE2641130C3 (de) * 1976-09-13 1980-05-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen Einrichtung zur Ermittlung der Dichte einer Druckvorlage
GB1519800A (en) * 1976-12-08 1978-08-02 Atomic Energy Authority Uk Densitometers for use with radiation film dosimeters
US4197088A (en) * 1977-09-23 1980-04-08 Akro-Medic Engineering, Inc. Method for qualitative and quantitative determination of immunological reactions

Also Published As

Publication number Publication date
FR2500929A1 (fr) 1982-09-03
DE3204066C2 (de) 1986-02-20
JPS57142548A (en) 1982-09-03
GB2094471A (en) 1982-09-15
DE3204066A1 (de) 1982-09-16
GB2094471B (en) 1984-11-07

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Legal Events

Date Code Title Description
ST Notification of lapse