JPS54133330A - Detachable illumination box - Google Patents

Detachable illumination box

Info

Publication number
JPS54133330A
JPS54133330A JP3633679A JP3633679A JPS54133330A JP S54133330 A JPS54133330 A JP S54133330A JP 3633679 A JP3633679 A JP 3633679A JP 3633679 A JP3633679 A JP 3633679A JP S54133330 A JPS54133330 A JP S54133330A
Authority
JP
Japan
Prior art keywords
illumination box
detachable illumination
detachable
box
illumination
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.)
Granted
Application number
JP3633679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6223855B2 (enrdf_load_stackoverflow
Inventor
Aizenbaagu Benjiyamin
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of JPS54133330A publication Critical patent/JPS54133330A/ja
Publication of JPS6223855B2 publication Critical patent/JPS6223855B2/ja
Granted 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
    • G03B27/727—Optical projection devices wherein the contrast is controlled optically (e.g. uniform exposure, two colour exposure on variable contrast sensitive material)
    • 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
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/545—Lamp housings; Illuminating means for enlargers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
JP3633679A 1978-03-31 1979-03-29 Detachable illumination box Granted JPS54133330A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1262878 1978-03-31

Publications (2)

Publication Number Publication Date
JPS54133330A true JPS54133330A (en) 1979-10-17
JPS6223855B2 JPS6223855B2 (enrdf_load_stackoverflow) 1987-05-26

Family

ID=10008205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3633679A Granted JPS54133330A (en) 1978-03-31 1979-03-29 Detachable illumination box

Country Status (2)

Country Link
JP (1) JPS54133330A (enrdf_load_stackoverflow)
DE (1) DE2912502A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0497256U (enrdf_load_stackoverflow) * 1990-10-10 1992-08-24

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1522265A1 (de) * 1966-05-12 1969-08-14 Simmon Brothers Inc Beleuchtungseinrichtung fuer photographische Vergroesserungsgeraete
GB1539468A (en) * 1977-07-04 1979-01-31 Ciba Geigy Ag Enlarger head lamphouse for printing variable contrast photographic material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0497256U (enrdf_load_stackoverflow) * 1990-10-10 1992-08-24

Also Published As

Publication number Publication date
DE2912502A1 (de) 1979-10-11
JPS6223855B2 (enrdf_load_stackoverflow) 1987-05-26

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