FR2188860A5 - - Google Patents

Info

Publication number
FR2188860A5
FR2188860A5 FR7321055A FR7321055A FR2188860A5 FR 2188860 A5 FR2188860 A5 FR 2188860A5 FR 7321055 A FR7321055 A FR 7321055A FR 7321055 A FR7321055 A FR 7321055A FR 2188860 A5 FR2188860 A5 FR 2188860A5
Authority
FR
France
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
FR7321055A
Inventor
L Muehloegger
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.)
Durst AG Fabrik Fototechnischer Apparate
Original Assignee
Durst AG Fabrik Fototechnischer Apparate
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 Fabrik Fototechnischer Apparate filed Critical Durst AG Fabrik Fototechnischer Apparate
Application granted granted Critical
Publication of FR2188860A5 publication Critical patent/FR2188860A5/fr
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
    • G03B27/32—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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
FR7321055A 1972-06-09 1973-06-08 Expired FR2188860A5 (fr)

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
FR2188860A5 true FR2188860A5 (fr) 1974-01-18

Family

ID=11216717

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7321055A Expired FR2188860A5 (fr) 1972-06-09 1973-06-08

Country Status (7)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325073A1 (fr) * 1975-09-22 1977-04-15 Durst Spa Fab Macchine Appar F Boite a lumiere pour agrandisseur ou tireuse photographique
FR2568694A1 (fr) * 1984-08-03 1986-02-07 Scanner Offset Service Agrandisseur a fonctions multiples

Families Citing this family (19)

* 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
US3887262A (en) * 1974-04-05 1975-06-03 Environmental Res & Tech Light equalizer and method of making same
US3997240A (en) * 1974-04-05 1976-12-14 Environmental Research & Technology, Inc. Optical system using light equalizer with partially reflective plane surfaces
US4045133A (en) * 1975-06-13 1977-08-30 Rca Corporation Analog optical block processor
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
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 (fr) * 1988-01-14 1989-07-27 Haehnel Walter Unite d'eclairage
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 (fr) * 1996-05-22 1997-11-26 Gretag Imaging Ag Dispositif d'éclairage pour une imprimante photographique

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
DE1447459A1 (de) * 1964-11-24 1968-12-19 Agfa Gevaert Ag Beleuchtungssystem fuer fotografisches Farbkopiergeraet
US3684371A (en) * 1970-11-06 1972-08-15 Berkey Photo Inc Light head with interchangeable mixing chambers for high speed enlarger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325073A1 (fr) * 1975-09-22 1977-04-15 Durst Spa Fab Macchine Appar F Boite a lumiere pour agrandisseur ou tireuse photographique
FR2568694A1 (fr) * 1984-08-03 1986-02-07 Scanner Offset Service Agrandisseur a fonctions multiples

Also Published As

Publication number Publication date
CH558949A (de) 1975-02-14
US3831021A (en) 1974-08-20
AT319748B (de) 1975-01-10
GB1412181A (en) 1975-10-29
DE2326900A1 (de) 1974-01-03
IT956956B (it) 1973-10-10

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Legal Events

Date Code Title Description
ST Notification of lapse