IT1106213B - Dispositivo automatico di esposizione alla luce per apparecchi di ripresa ad attraversamento per microfilm - Google Patents

Dispositivo automatico di esposizione alla luce per apparecchi di ripresa ad attraversamento per microfilm

Info

Publication number
IT1106213B
IT1106213B IT51536/78A IT5153678A IT1106213B IT 1106213 B IT1106213 B IT 1106213B IT 51536/78 A IT51536/78 A IT 51536/78A IT 5153678 A IT5153678 A IT 5153678A IT 1106213 B IT1106213 B IT 1106213B
Authority
IT
Italy
Prior art keywords
microfilm
exposure device
light exposure
automatic light
recovery devices
Prior art date
Application number
IT51536/78A
Other languages
English (en)
Italian (it)
Other versions
IT7851536A0 (it
Original Assignee
Agfa Gevaert Ag
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 Ag filed Critical Agfa Gevaert Ag
Publication of IT7851536A0 publication Critical patent/IT7851536A0/it
Application granted granted Critical
Publication of IT1106213B publication Critical patent/IT1106213B/it

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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection-Type Copiers In General (AREA)
  • Exposure Control For Cameras (AREA)
IT51536/78A 1977-10-19 1978-10-17 Dispositivo automatico di esposizione alla luce per apparecchi di ripresa ad attraversamento per microfilm IT1106213B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2746990A DE2746990C2 (de) 1977-10-19 1977-10-19 Belichtungsautomatik für Mikrofilm-Durchlaufaufnahmegeräte

Publications (2)

Publication Number Publication Date
IT7851536A0 IT7851536A0 (it) 1978-10-17
IT1106213B true IT1106213B (it) 1985-11-11

Family

ID=6021793

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51536/78A IT1106213B (it) 1977-10-19 1978-10-17 Dispositivo automatico di esposizione alla luce per apparecchi di ripresa ad attraversamento per microfilm

Country Status (5)

Country Link
CA (1) CA1118623A (fr)
DE (1) DE2746990C2 (fr)
FR (1) FR2406837A1 (fr)
GB (1) GB2010507B (fr)
IT (1) IT1106213B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2938925C2 (de) * 1979-09-26 1985-01-17 Agfa-Gevaert Ag, 5090 Leverkusen Einrichtung zur Belichtungssteuerung in einem Mikrofilm-Durchlaufaufnahmegerät

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE637355C (de) * 1932-07-29 1936-10-27 Kodak A G Optische Kopiereinrichtung
DE1056920B (de) * 1957-11-07 1959-05-06 Soennecken Fa F Vorrichtung zur automatischen, elektronisch gesteuerten Belichtungs-regelung fuer Mikrofilm-Durchlaufgeraete
DE1214524B (de) * 1965-03-22 1966-04-14 Mikrofilm G M B H Verfahren und Vorrichtung zur Ausuebung desselben zu einer automatischen Belichtungssteuerung bei Microfilm-Durchlaufkameras
DE2046887C3 (de) * 1970-09-23 1979-02-22 Agfa-Gevaert Ag, 5090 Leverkusen Vorrichtung zur Steuerung der Belichtung eines Aufnahme- oder Kopiermaterials in zwei Farben
DE2446240A1 (de) * 1974-09-27 1976-04-08 Agfa Gevaert Ag Mikroaufnahmevorrichtung
DE2552589A1 (de) * 1975-11-24 1977-05-26 Agfa Gevaert Ag Vorrichtung zur automatischen belichtungsregelung bei mikrofilm-durchlaufkameras

Also Published As

Publication number Publication date
FR2406837A1 (fr) 1979-05-18
DE2746990B1 (de) 1979-03-01
GB2010507A (en) 1979-06-27
CA1118623A (fr) 1982-02-23
DE2746990C2 (de) 1979-10-25
IT7851536A0 (it) 1978-10-17
GB2010507B (en) 1982-05-26
FR2406837B1 (fr) 1984-12-28

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