JPS4840431A - - Google Patents

Info

Publication number
JPS4840431A
JPS4840431A JP46074031A JP7403171A JPS4840431A JP S4840431 A JPS4840431 A JP S4840431A JP 46074031 A JP46074031 A JP 46074031A JP 7403171 A JP7403171 A JP 7403171A JP S4840431 A JPS4840431 A JP S4840431A
Authority
JP
Japan
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
JP46074031A
Other languages
Japanese (ja)
Other versions
JPS5243365B2 (en:Method
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 filed Critical
Priority to JP46074031A priority Critical patent/JPS5243365B2/ja
Priority to FR7233400A priority patent/FR2154165A5/fr
Priority to GB4408172A priority patent/GB1372337A/en
Priority to DE19722246618 priority patent/DE2246618A1/de
Priority to US00291481A priority patent/US3790789A/en
Publication of JPS4840431A publication Critical patent/JPS4840431A/ja
Publication of JPS5243365B2 publication Critical patent/JPS5243365B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Control Or Security For Electrophotography (AREA)
JP46074031A 1971-09-22 1971-09-22 Expired JPS5243365B2 (en:Method)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP46074031A JPS5243365B2 (en:Method) 1971-09-22 1971-09-22
FR7233400A FR2154165A5 (en:Method) 1971-09-22 1972-09-21
GB4408172A GB1372337A (en) 1971-09-22 1972-09-22 Exposure control means
DE19722246618 DE2246618A1 (de) 1971-09-22 1972-09-22 Schaltung zur belichtungsregelung fuer eine photographische kopiervorrichtung
US00291481A US3790789A (en) 1971-09-22 1972-09-22 Circuit for controlling exposure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46074031A JPS5243365B2 (en:Method) 1971-09-22 1971-09-22

Publications (2)

Publication Number Publication Date
JPS4840431A true JPS4840431A (en:Method) 1973-06-14
JPS5243365B2 JPS5243365B2 (en:Method) 1977-10-29

Family

ID=13535356

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46074031A Expired JPS5243365B2 (en:Method) 1971-09-22 1971-09-22

Country Status (5)

Country Link
US (1) US3790789A (en:Method)
JP (1) JPS5243365B2 (en:Method)
DE (1) DE2246618A1 (en:Method)
FR (1) FR2154165A5 (en:Method)
GB (1) GB1372337A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5249831A (en) * 1975-10-17 1977-04-21 Fuji Photo Film Co Ltd Process for controlling exposure light quantity

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2313349C3 (de) * 1973-03-17 1979-11-22 Agfa-Gevaert Ag, 5090 Leverkusen Vorrichtung zur Steuerung der Belichtung
DE2405567C3 (de) * 1974-02-06 1978-03-30 Original Hanau Quarzlampen Gmbh, 6450 Hanau AjwkcUwuj.% tue Messung der ia einem, bestimmten Zeitraum an einer Stelle auftretenden Bestrahlungsenergie
DE2528659C3 (de) * 1975-06-27 1978-11-30 Hoechst Ag, 6000 Frankfurt Anordnung zur Steuerung der Lichtmenge zur Belichtung von lichtempfindlichem Material in Kopiergeräten zur Druckformvorbereitung
US4161363A (en) * 1975-08-04 1979-07-17 Quantor Corporation Instantaneous exposure control for film
US4025190A (en) * 1976-02-11 1977-05-24 Marshall Hughes Exposure control system for photographic copying
DE2624866C3 (de) * 1976-06-03 1979-02-08 Hoechst Ag, 6000 Frankfurt Vorrichtung zur Steuerung der von einer Lichtquelle auf ein zu belichtendes Material abgegebenen Lichtmenge
IT1071629B (it) * 1976-10-04 1985-04-10 Costa Eugenio Dispositivo temporiazzatore elettronico automatico per ingrandimenti o riproduzione o per contatto
IT1103341B (it) * 1978-09-07 1985-10-14 Durst Spa Fabbrica Macchine Ed Disposizione circuitale elettrica per il controllo del tempo di esposizione in apparecchi per l'ingrandimento fotografico
GB2159650B (en) * 1984-05-29 1988-02-17 New Zealand Dev Finance Electronic switch
GB2307060B (en) * 1995-11-10 1999-03-24 Sony Uk Ltd A light meter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3504603A (en) * 1967-08-24 1970-04-07 Us Army Automatic exposure control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5249831A (en) * 1975-10-17 1977-04-21 Fuji Photo Film Co Ltd Process for controlling exposure light quantity

Also Published As

Publication number Publication date
FR2154165A5 (en:Method) 1973-05-04
DE2246618A1 (de) 1973-03-29
US3790789A (en) 1974-02-05
JPS5243365B2 (en:Method) 1977-10-29
GB1372337A (en) 1974-10-30

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