CH541823A - Exposure control device - Google Patents

Exposure control device

Info

Publication number
CH541823A
CH541823A CH773772A CH773772A CH541823A CH 541823 A CH541823 A CH 541823A CH 773772 A CH773772 A CH 773772A CH 773772 A CH773772 A CH 773772A CH 541823 A CH541823 A CH 541823A
Authority
CH
Switzerland
Prior art keywords
control device
exposure control
exposure
control
Prior art date
Application number
CH773772A
Other languages
German (de)
Inventor
Ernst Otto
Original Assignee
Tymac Von Schulthess Rechberg
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 Tymac Von Schulthess Rechberg filed Critical Tymac Von Schulthess Rechberg
Priority to CH773772A priority Critical patent/CH541823A/en
Priority to DE19732326310 priority patent/DE2326310A1/en
Publication of CH541823A publication Critical patent/CH541823A/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F5/00—Screening processes; Screens therefor
    • G03F5/02—Screening processes; Screens therefor by projection methods
    • G03F5/04—Screening processes; Screens therefor by projection methods changing the screen effect
    • 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)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
CH773772A 1972-05-25 1972-05-25 Exposure control device CH541823A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH773772A CH541823A (en) 1972-05-25 1972-05-25 Exposure control device
DE19732326310 DE2326310A1 (en) 1972-05-25 1973-05-23 EXPOSURE CONTROL UNIT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH773772A CH541823A (en) 1972-05-25 1972-05-25 Exposure control device

Publications (1)

Publication Number Publication Date
CH541823A true CH541823A (en) 1973-09-15

Family

ID=4329714

Family Applications (1)

Application Number Title Priority Date Filing Date
CH773772A CH541823A (en) 1972-05-25 1972-05-25 Exposure control device

Country Status (2)

Country Link
CH (1) CH541823A (en)
DE (1) DE2326310A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2516210A1 (en) * 1974-04-16 1975-11-06 Yoshio Inoue DEVICE FOR POSITIONING AND PUNCHING FILM IN MULTI-COLOR PRINTING
EP0095201A1 (en) * 1982-05-26 1983-11-30 Helioprint A/S Reproduction camera
EP0127913A1 (en) * 1983-05-26 1984-12-12 Helioprint A/S Reproduction camera

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2516210A1 (en) * 1974-04-16 1975-11-06 Yoshio Inoue DEVICE FOR POSITIONING AND PUNCHING FILM IN MULTI-COLOR PRINTING
EP0095201A1 (en) * 1982-05-26 1983-11-30 Helioprint A/S Reproduction camera
US4488805A (en) * 1982-05-26 1984-12-18 Oce-Helioprint As Reproduction camera control system
EP0127913A1 (en) * 1983-05-26 1984-12-12 Helioprint A/S Reproduction camera
US4558945A (en) * 1983-05-26 1985-12-17 Helioprint As Reproduction camera with system to correct exposure for stray light

Also Published As

Publication number Publication date
DE2326310A1 (en) 1973-12-06

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Legal Events

Date Code Title Description
PL Patent ceased