CA918228A - Device for supplying an exposure light source of a photographic enlarger - Google Patents

Device for supplying an exposure light source of a photographic enlarger

Info

Publication number
CA918228A
CA918228A CA086479A CA86479A CA918228A CA 918228 A CA918228 A CA 918228A CA 086479 A CA086479 A CA 086479A CA 86479 A CA86479 A CA 86479A CA 918228 A CA918228 A CA 918228A
Authority
CA
Canada
Prior art keywords
supplying
light source
exposure light
photographic enlarger
enlarger
Prior art date
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.)
Expired
Application number
CA086479A
Other languages
English (en)
Inventor
Luursema Meerten
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA918228A publication Critical patent/CA918228A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CA086479A 1969-07-02 1970-06-25 Device for supplying an exposure light source of a photographic enlarger Expired CA918228A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6910114A NL6910114A (fr) 1969-07-02 1969-07-02

Publications (1)

Publication Number Publication Date
CA918228A true CA918228A (en) 1973-01-02

Family

ID=19807362

Family Applications (1)

Application Number Title Priority Date Filing Date
CA086479A Expired CA918228A (en) 1969-07-02 1970-06-25 Device for supplying an exposure light source of a photographic enlarger

Country Status (8)

Country Link
JP (1) JPS494327B1 (fr)
AT (1) AT314974B (fr)
BE (1) BE752765A (fr)
CA (1) CA918228A (fr)
CH (1) CH543752A (fr)
FR (1) FR2053993A5 (fr)
GB (1) GB1303349A (fr)
NL (1) NL6910114A (fr)

Also Published As

Publication number Publication date
BE752765A (fr) 1970-12-30
AT314974B (de) 1974-05-10
JPS494327B1 (fr) 1974-01-31
DE2030919B2 (de) 1976-07-01
FR2053993A5 (fr) 1971-04-16
CH543752A (de) 1973-10-31
DE2030919A1 (de) 1971-01-14
GB1303349A (fr) 1973-01-17
NL6910114A (fr) 1971-01-05

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