FR2492977B1 - - Google Patents

Info

Publication number
FR2492977B1
FR2492977B1 FR8119901A FR8119901A FR2492977B1 FR 2492977 B1 FR2492977 B1 FR 2492977B1 FR 8119901 A FR8119901 A FR 8119901A FR 8119901 A FR8119901 A FR 8119901A FR 2492977 B1 FR2492977 B1 FR 2492977B1
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
FR8119901A
Other languages
French (fr)
Other versions
FR2492977A1 (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.)
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 FR2492977A1 publication Critical patent/FR2492977A1/fr
Application granted granted Critical
Publication of FR2492977B1 publication Critical patent/FR2492977B1/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
    • G01N21/59—Transmissivity
    • G01N21/5907—Densitometers

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR8119901A 1980-10-23 1981-10-23 Densitometre photographique Granted FR2492977A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14894680A JPS5772046A (en) 1980-10-23 1980-10-23 Transmission type concentration gauge

Publications (2)

Publication Number Publication Date
FR2492977A1 FR2492977A1 (fr) 1982-04-30
FR2492977B1 true FR2492977B1 (enrdf_load_stackoverflow) 1985-04-26

Family

ID=15464186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8119901A Granted FR2492977A1 (fr) 1980-10-23 1981-10-23 Densitometre photographique

Country Status (6)

Country Link
JP (1) JPS5772046A (enrdf_load_stackoverflow)
DE (1) DE3141665A1 (enrdf_load_stackoverflow)
ES (1) ES506420A0 (enrdf_load_stackoverflow)
FR (1) FR2492977A1 (enrdf_load_stackoverflow)
GB (1) GB2086611B (enrdf_load_stackoverflow)
SE (1) SE454808B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3121060C2 (de) * 1981-05-27 1983-09-22 Boehringer Ingelheim Diagnostika GmbH, 8046 Garching "Objektträger als Teil einer Photo- oder Fluorometereinrichtung"
EP0114030B1 (de) * 1982-12-20 1989-06-21 GRETAG Aktiengesellschaft Transmissionsdensitometer
US4673807A (en) * 1984-10-12 1987-06-16 Dai Nippon Insatso Kabushiki Kaisha Automatic range control method for an optical density/dot percentage measuring device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE707497C (de) * 1938-01-12 1941-06-24 Zeiss Carl Fa Geraet zur Auswertung einer fortlaufenden Reihe von Lichteindruecken auf der lichtempfindlichen Schicht eines Filmstreifens
DE695798C (de) * 1938-06-18 1940-09-02 Max Fiedler Fa Kopiervorrichtung
DE737049C (de) * 1941-12-12 1943-07-07 Max Fiedler Fa Kopiervorrichtung
DE1037852B (de) * 1955-10-14 1958-08-28 Photo Chemical Company Ltd Verfahren und Vorrichtung zur photoelektrischen Dichtemessung photographischer Negative
DE1797219A1 (de) * 1968-08-30 1971-08-05 Adox Du Pont Fotowerke Vorrichtung zum Messen der Schwaerzung belichteter und entwickelter Proben von photographischen Filmen
DE6751483U (de) * 1968-09-27 1969-02-13 Linhof Nikolaus Karpf Kg Praez Vorrichtung zur fotosensitometrischen ausmessung eines transparenten bildes
CH506092A (de) * 1969-03-21 1971-04-15 Agfa Gevaert Ag Verfahren und Vorrichtung zur Belichtungssteuerung bei der Herstellung von Farbkopien
DE1960398A1 (de) * 1969-12-02 1971-06-03 Gunter Wick Optische Vorrichtung zur fotoelektrischen Auflicht-Erfassung
SE361737B (enrdf_load_stackoverflow) * 1972-04-26 1973-11-12 B Och H Rilbe
US3987660A (en) * 1974-03-25 1976-10-26 Johns-Manville Corporation Method of determining thermal conductivity of fiber insulation
JPS5494386A (en) * 1978-01-09 1979-07-26 Oki Electric Ind Co Ltd Measuring apparatus for quantity of transmitted light of sheet object
JPS5697854A (en) * 1979-12-31 1981-08-06 Yamatoya Shokai:Kk Densitometer

Also Published As

Publication number Publication date
GB2086611A (en) 1982-05-12
JPS6317174B2 (enrdf_load_stackoverflow) 1988-04-12
GB2086611B (en) 1984-11-28
DE3141665A1 (de) 1982-06-16
SE454808B (sv) 1988-05-30
ES8206851A1 (es) 1982-09-01
ES506420A0 (es) 1982-09-01
JPS5772046A (en) 1982-05-06
FR2492977A1 (fr) 1982-04-30
SE8106243L (sv) 1982-04-24

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Legal Events

Date Code Title Description
ST Notification of lapse