FR2393338B1 - - Google Patents

Info

Publication number
FR2393338B1
FR2393338B1 FR7716947A FR7716947A FR2393338B1 FR 2393338 B1 FR2393338 B1 FR 2393338B1 FR 7716947 A FR7716947 A FR 7716947A FR 7716947 A FR7716947 A FR 7716947A FR 2393338 B1 FR2393338 B1 FR 2393338B1
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
FR7716947A
Other versions
FR2393338A1 (fr
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7716947A priority Critical patent/FR2393338A1/fr
Priority to US05/911,073 priority patent/US4229097A/en
Priority to IT24086/78A priority patent/IT1095283B/it
Priority to DE7878400010T priority patent/DE2860556D1/de
Priority to EP78400010A priority patent/EP0000450B1/fr
Priority to JP6584878A priority patent/JPS5417724A/ja
Publication of FR2393338A1 publication Critical patent/FR2393338A1/fr
Application granted granted Critical
Publication of FR2393338B1 publication Critical patent/FR2393338B1/fr
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
    • G03B27/32—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)
  • Lenses (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Projection Apparatus (AREA)
FR7716947A 1977-06-03 1977-06-03 Perfectionnements aux appareils de reproduction photographique de documents transparents Granted FR2393338A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7716947A FR2393338A1 (fr) 1977-06-03 1977-06-03 Perfectionnements aux appareils de reproduction photographique de documents transparents
US05/911,073 US4229097A (en) 1977-06-03 1978-05-31 Apparatus for the photographic reproduction of transparent documents
IT24086/78A IT1095283B (it) 1977-06-03 1978-05-31 Perfezionamenti agli apparecchi per la riproduzione fotografica di documenti trasparenti
DE7878400010T DE2860556D1 (en) 1977-06-03 1978-06-01 Photographic reproduction apparatus for transparent documents, especially of the photographic enlarger type
EP78400010A EP0000450B1 (fr) 1977-06-03 1978-06-01 Appareils de reproduction photographique de documents transparents, notamment du type agrandisseur photographique
JP6584878A JPS5417724A (en) 1977-06-03 1978-06-02 Phototypesetter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7716947A FR2393338A1 (fr) 1977-06-03 1977-06-03 Perfectionnements aux appareils de reproduction photographique de documents transparents

Publications (2)

Publication Number Publication Date
FR2393338A1 FR2393338A1 (fr) 1978-12-29
FR2393338B1 true FR2393338B1 (fr) 1980-05-23

Family

ID=9191622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7716947A Granted FR2393338A1 (fr) 1977-06-03 1977-06-03 Perfectionnements aux appareils de reproduction photographique de documents transparents

Country Status (6)

Country Link
US (1) US4229097A (fr)
EP (1) EP0000450B1 (fr)
JP (1) JPS5417724A (fr)
DE (1) DE2860556D1 (fr)
FR (1) FR2393338A1 (fr)
IT (1) IT1095283B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298275A (en) * 1980-01-07 1981-11-03 Xerox Corporation Radially varying transmission filter for wide angle copying device
DE3163692D1 (en) * 1980-01-07 1984-06-28 Xerox Corp Method and apparatus for compensating for illumination defects in an optical system
US4298274A (en) * 1980-01-07 1981-11-03 Rees James D Variable density filter for a multi-magnification copying device
US4445774A (en) * 1982-04-30 1984-05-01 Xerox Corporation Document imaging system with improved exposure uniformity at image plane
US5014086A (en) * 1989-03-31 1991-05-07 E. I. Du Pont De Nemours And Company Adjustable dot gain simulation for color proofing
EP0586771B1 (fr) * 1992-09-09 1998-04-08 Gretag Imaging Ag Système d'illumination pour copieurs photographiques
US5461456A (en) * 1992-11-24 1995-10-24 General Signal Corporation Spatial uniformity varier for microlithographic illuminator
DE10046353A1 (de) * 2000-09-19 2002-04-11 Agfa Gevaert Ag Beleuchtungseinrichtung zum Beleuchten einer transparenten Bildvorlage
DE102004059951A1 (de) * 2004-08-17 2006-02-23 Giesecke & Devrient Gmbh Vorrichtung zur Untersuchung von Dokumenten
DE602007003397D1 (de) 2006-03-29 2010-01-07 Nippon Catalytic Chem Ind Verfahren zur Herstellung von wasserabsorbierendem Polyacrylsäure (Salz)-Harz

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1021016A (fr) * 1950-06-27 1953-02-13 Agrandisseur à correction de contraste
DE1225041B (de) * 1964-07-16 1966-09-15 Multiblitz Geraete Dr Ing D A Vorrichtung zur photographischen Belichtung, vorzugsweise fuer Vergroesserungsgeraete
US3834813A (en) * 1970-10-15 1974-09-10 Haggar Co Diazo printing system
US3922085A (en) * 1974-08-22 1975-11-25 Tamarack Scient Co Inc Illuminator for microphotography
CH597618A5 (fr) * 1975-12-02 1978-04-14 Zelacolor Syst

Also Published As

Publication number Publication date
DE2860556D1 (en) 1981-04-16
JPS5417724A (en) 1979-02-09
EP0000450A1 (fr) 1979-01-24
US4229097A (en) 1980-10-21
IT7824086A0 (it) 1978-05-31
FR2393338A1 (fr) 1978-12-29
IT1095283B (it) 1985-08-10
EP0000450B1 (fr) 1981-03-25

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Legal Events

Date Code Title Description
ST Notification of lapse