CH558949A - Beleuchtungsvorrichtung, insbesondere fuer vergroesserungsgeraete. - Google Patents

Beleuchtungsvorrichtung, insbesondere fuer vergroesserungsgeraete.

Info

Publication number
CH558949A
CH558949A CH832473A CH832473A CH558949A CH 558949 A CH558949 A CH 558949A CH 832473 A CH832473 A CH 832473A CH 832473 A CH832473 A CH 832473A CH 558949 A CH558949 A CH 558949A
Authority
CH
Switzerland
Prior art keywords
lighting device
magnification devices
magnification
devices
lighting
Prior art date
Application number
CH832473A
Other languages
English (en)
Inventor
L Muehloegger
Original Assignee
Durst 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 Durst Ag filed Critical Durst Ag
Publication of CH558949A publication Critical patent/CH558949A/de

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
    • G03B27/32—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
CH832473A 1972-06-09 1973-06-08 Beleuchtungsvorrichtung, insbesondere fuer vergroesserungsgeraete. CH558949A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT25444/72A IT956956B (it) 1972-06-09 1972-06-09 Dispositivo per la regolazione continua della quantita e della intensita di luce particolarmen te in apparecchi di ingrandimento

Publications (1)

Publication Number Publication Date
CH558949A true CH558949A (de) 1975-02-14

Family

ID=11216717

Family Applications (1)

Application Number Title Priority Date Filing Date
CH832473A CH558949A (de) 1972-06-09 1973-06-08 Beleuchtungsvorrichtung, insbesondere fuer vergroesserungsgeraete.

Country Status (7)

Country Link
US (1) US3831021A (de)
AT (1) AT319748B (de)
CH (1) CH558949A (de)
DE (1) DE2326900A1 (de)
FR (1) FR2188860A5 (de)
GB (1) GB1412181A (de)
IT (1) IT956956B (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2238944C3 (de) * 1972-08-08 1981-10-29 Agfa-Gevaert Ag, 5090 Leverkusen Beleuchtungsvorrichtung in einem Kopiergerät
US3997240A (en) * 1974-04-05 1976-12-14 Environmental Research & Technology, Inc. Optical system using light equalizer with partially reflective plane surfaces
US3887262A (en) * 1974-04-05 1975-06-03 Environmental Res & Tech Light equalizer and method of making same
US4045133A (en) * 1975-06-13 1977-08-30 Rca Corporation Analog optical block processor
IT1048557B (it) * 1975-09-22 1980-12-20 Durst Ag Dispositivo di illuminazione per un ingranditore fotografico
US4129372A (en) * 1976-08-17 1978-12-12 Vivitar Corporation Light mixing apparatus and photographic enlarger embodying same
IT1072361B (it) * 1977-02-17 1985-04-10 Durst Fabbrica Macchine Ed App Dispositivo di illuminazione per apparecchi per l'ingrandimento fotografico a colori
US4184763A (en) * 1977-12-12 1980-01-22 Fred B. Handsman Slide printing device
IT1120051B (it) * 1978-05-26 1986-03-19 Durst Fabbrica Macchine Ed App Dispositivo di illuminazione con una scatola di conduzione della luce per ingranditori fotografici con un porta-trasparenze girevole in un piano parallelo a quello dell'originale da copiare
US4191466A (en) * 1978-11-09 1980-03-04 Durst A.G. Fabrik Fototechnischer Apparate Illuminating system for color enlargement or copying equipment
US4255045A (en) * 1979-03-28 1981-03-10 Ciba-Geigy Ag Removable light box
US4321659A (en) * 1980-06-30 1982-03-23 Wheeler Ernest E Narrow-band, air-cooled light fixture
US4586117A (en) * 1982-07-30 1986-04-29 Collins Dynamics, Inc. Air cooled light
US4546420A (en) * 1984-05-23 1985-10-08 Wheeler Industries, Ltd. Air cooled light fixture with baffled flow through a filter array
FR2568694B1 (fr) * 1984-08-03 1987-08-14 Scanner Offset Service Agrandisseur a fonctions multiples
JPS61262728A (ja) * 1985-05-17 1986-11-20 Dainippon Screen Mfg Co Ltd 複写機の光源冷却装置
GB2211313A (en) * 1987-10-14 1989-06-28 Brother Ind Ltd Exposure apparatus
WO1989006770A1 (en) * 1988-01-14 1989-07-27 Haehnel Walter Lighting unit
US5045877A (en) * 1990-02-21 1991-09-03 Orren J. Lucht Photographic printer
DE19536584A1 (de) * 1995-09-29 1997-04-10 Agfa Gevaert Ag Verfahren und Vorrichtung zum Kopieren fotografischer Vorlagen
EP0809134A1 (de) * 1996-05-22 1997-11-26 Gretag Imaging Ag Beleuchtungsvorrichtung für ein fotografisches Kopiergerät

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE825205C (de) * 1949-11-01 1951-12-17 Edmund Wateler Verfahren zur Verminderung des Tonumfanges beim optischen Kopieren
DE1918540U (de) * 1964-11-24 1965-06-24 Agfa Gevaert Ag Fotografisches kopiergeraet mit beleuchtungssystem.
US3684371A (en) * 1970-11-06 1972-08-15 Berkey Photo Inc Light head with interchangeable mixing chambers for high speed enlarger

Also Published As

Publication number Publication date
IT956956B (it) 1973-10-10
DE2326900A1 (de) 1974-01-03
GB1412181A (en) 1975-10-29
FR2188860A5 (de) 1974-01-18
US3831021A (en) 1974-08-20
AT319748B (de) 1975-01-10

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Legal Events

Date Code Title Description
PL Patent ceased