BE629148A - - Google Patents

Info

Publication number
BE629148A
BE629148A BE629148DA BE629148A BE 629148 A BE629148 A BE 629148A BE 629148D A BE629148D A BE 629148DA BE 629148 A BE629148 A BE 629148A
Authority
BE
Belgium
Prior art keywords
light
copy
plate
directing
photo
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE629148A publication Critical patent/BE629148A/fr

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B27/00Photographic printing apparatus
    • G03B27/72Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/74Positioning exposure meters in the apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
BE629148D BE629148A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE629148A true BE629148A (enrdf_load_html_response)

Family

ID=198732

Family Applications (1)

Application Number Title Priority Date Filing Date
BE629148D BE629148A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE629148A (enrdf_load_html_response)

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