IT1071629B - Dispositivo temporiazzatore elettronico automatico per ingrandimenti o riproduzione o per contatto - Google Patents

Dispositivo temporiazzatore elettronico automatico per ingrandimenti o riproduzione o per contatto

Info

Publication number
IT1071629B
IT1071629B IT69378/76A IT6937876A IT1071629B IT 1071629 B IT1071629 B IT 1071629B IT 69378/76 A IT69378/76 A IT 69378/76A IT 6937876 A IT6937876 A IT 6937876A IT 1071629 B IT1071629 B IT 1071629B
Authority
IT
Italy
Prior art keywords
enlargements
reproduction
contact
timer device
electronic timer
Prior art date
Application number
IT69378/76A
Other languages
English (en)
Original Assignee
Costa Eugenio
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 Costa Eugenio filed Critical Costa Eugenio
Priority to IT69378/76A priority Critical patent/IT1071629B/it
Priority to FR7729710A priority patent/FR2366596A1/fr
Priority to US05/839,250 priority patent/US4236816A/en
Priority to DE2744478A priority patent/DE2744478A1/de
Application granted granted Critical
Publication of IT1071629B publication Critical patent/IT1071629B/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
    • G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Projection-Type Copiers In General (AREA)
IT69378/76A 1976-10-04 1976-10-04 Dispositivo temporiazzatore elettronico automatico per ingrandimenti o riproduzione o per contatto IT1071629B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT69378/76A IT1071629B (it) 1976-10-04 1976-10-04 Dispositivo temporiazzatore elettronico automatico per ingrandimenti o riproduzione o per contatto
FR7729710A FR2366596A1 (fr) 1976-10-04 1977-10-03 Dispositif temporisateur electronique automatique utilisable avec un appareil de reproduction photographique
US05/839,250 US4236816A (en) 1976-10-04 1977-10-04 Electronic automatic timing device for photographic enlargements or reproductions by projection or contact
DE2744478A DE2744478A1 (de) 1976-10-04 1977-10-04 Automatische elektronische belichtungsschaltuhr fuer photographische vergroesserung oder reproduktion durch projektion oder kontakt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT69378/76A IT1071629B (it) 1976-10-04 1976-10-04 Dispositivo temporiazzatore elettronico automatico per ingrandimenti o riproduzione o per contatto

Publications (1)

Publication Number Publication Date
IT1071629B true IT1071629B (it) 1985-04-10

Family

ID=11311998

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69378/76A IT1071629B (it) 1976-10-04 1976-10-04 Dispositivo temporiazzatore elettronico automatico per ingrandimenti o riproduzione o per contatto

Country Status (4)

Country Link
US (1) US4236816A (it)
DE (1) DE2744478A1 (it)
FR (1) FR2366596A1 (it)
IT (1) IT1071629B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3124458A1 (de) * 1981-06-22 1982-12-30 Dr. Böger Duplomat Apparate KG (GmbH & Co), 2000 Wedel Lichtintegrator fuer reproduktionskameras und kopiergeraete

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952780A (en) * 1954-01-08 1960-09-13 Jr Elwood C Rogers Photographic printing apparatus
JPS5243365B2 (it) * 1971-09-22 1977-10-29
JPS5834424Y2 (ja) * 1973-09-06 1983-08-02 京セラ株式会社 デンキシヤツタカイロ
JPS5146937A (en) * 1974-10-21 1976-04-22 Ricoh Kk Denkishatsuta niokeru teburekeikoku oyobi shatsutakaikohyojisochi
US4041504A (en) * 1975-05-19 1977-08-09 Vitautas Jurgio Iodvalkis Photographic exposure setting device

Also Published As

Publication number Publication date
DE2744478A1 (de) 1978-04-06
FR2366596B3 (it) 1980-06-20
US4236816A (en) 1980-12-02
FR2366596A1 (fr) 1978-04-28

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