IT8804839A0 - Dispositivo regolatore di diaframma in un ingranditore o riproduttore fotografico con piu' obiettivi a diaframma regolabile. - Google Patents

Dispositivo regolatore di diaframma in un ingranditore o riproduttore fotografico con piu' obiettivi a diaframma regolabile.

Info

Publication number
IT8804839A0
IT8804839A0 IT8804839A IT483988A IT8804839A0 IT 8804839 A0 IT8804839 A0 IT 8804839A0 IT 8804839 A IT8804839 A IT 8804839A IT 483988 A IT483988 A IT 483988A IT 8804839 A0 IT8804839 A0 IT 8804839A0
Authority
IT
Italy
Prior art keywords
diaphragm
enlargement
lenses
regulator device
several adjustable
Prior art date
Application number
IT8804839A
Other languages
English (en)
Other versions
IT1224919B (it
Inventor
Mario Gandini
Franz Obertegger
Original Assignee
Durst Phototechnik Srl
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 Phototechnik Srl filed Critical Durst Phototechnik Srl
Priority to IT8804839A priority Critical patent/IT1224919B/it
Publication of IT8804839A0 publication Critical patent/IT8804839A0/it
Priority to DE89111065T priority patent/DE58907156D1/de
Priority to AT89111065T priority patent/ATE102714T1/de
Priority to EP89111065A priority patent/EP0349813B1/de
Priority to US07/374,236 priority patent/US4961087A/en
Priority to JP1167192A priority patent/JPH0328840A/ja
Application granted granted Critical
Publication of IT1224919B publication Critical patent/IT1224919B/it

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
    • G03B27/34—Means for automatic focusing therefor
    • G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
    • G03B27/40—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage adapted for use with lenses of different focal length
IT8804839A 1988-07-03 1988-07-03 Dispositivo regolatore di diaframma in un ingranditore o riproduttore fotografico con piu' obiettivi a diaframma regolabile. IT1224919B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT8804839A IT1224919B (it) 1988-07-03 1988-07-03 Dispositivo regolatore di diaframma in un ingranditore o riproduttore fotografico con piu' obiettivi a diaframma regolabile.
DE89111065T DE58907156D1 (de) 1988-07-03 1989-06-19 Blendeneinstellvorrichtung in einem fotografischen Vergrösserungs- oder Kopiergerät mit mehreren Objektiven mit verstellbarer Blende.
AT89111065T ATE102714T1 (de) 1988-07-03 1989-06-19 Blendeneinstellvorrichtung in einem fotografischen vergroesserungs- oder kopiergeraet mit mehreren objektiven mit verstellbarer blende.
EP89111065A EP0349813B1 (de) 1988-07-03 1989-06-19 Blendeneinstellvorrichtung in einem fotografischen Vergrösserungs- oder Kopiergerät mit mehreren Objektiven mit verstellbarer Blende
US07/374,236 US4961087A (en) 1988-07-03 1989-06-29 Diaphragm adjusting arrangement in a photographic enlarging or copying apparatus having several lenses with an adjustable diaphragm
JP1167192A JPH0328840A (ja) 1988-07-03 1989-06-30 調節可能な絞りを有する数枚の対物レンズをもつ写真拡大機または複写機中の絞り調節装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8804839A IT1224919B (it) 1988-07-03 1988-07-03 Dispositivo regolatore di diaframma in un ingranditore o riproduttore fotografico con piu' obiettivi a diaframma regolabile.

Publications (2)

Publication Number Publication Date
IT8804839A0 true IT8804839A0 (it) 1988-07-03
IT1224919B IT1224919B (it) 1990-10-29

Family

ID=11114768

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8804839A IT1224919B (it) 1988-07-03 1988-07-03 Dispositivo regolatore di diaframma in un ingranditore o riproduttore fotografico con piu' obiettivi a diaframma regolabile.

Country Status (6)

Country Link
US (1) US4961087A (it)
EP (1) EP0349813B1 (it)
JP (1) JPH0328840A (it)
AT (1) ATE102714T1 (it)
DE (1) DE58907156D1 (it)
IT (1) IT1224919B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5097289A (en) * 1990-02-21 1992-03-17 Orren J. Lucht Photographic printer
KR960015077B1 (ko) * 1993-03-30 1996-10-24 엘지전자 주식회사 액정투사기의 화면크기 제어방법
US5635999A (en) * 1995-05-19 1997-06-03 Eastman Kodak Company Iris diaphragm for high speed photographic printers having improved speed and reliability
US5576792A (en) * 1995-05-19 1996-11-19 Eastman Kodak Company Method for assembling an iris diaphragm
US5552939A (en) * 1995-07-07 1996-09-03 Umax Data Systems Inc. Multi-lens changing mechanism for use in optical scanners
US5758955A (en) * 1995-07-11 1998-06-02 High End Systems, Inc. Lighting system with variable shaped beam
US5767950A (en) * 1996-04-15 1998-06-16 Eastman Kodak Company Method and apparatus for calibrating iris of photographic printer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2871776A (en) * 1953-07-30 1959-02-03 Gen Precision Lab Inc Television camera iris control mechanism
DE1597237A1 (de) * 1967-06-05 1970-04-09 Inst Polygraphische Maschinen Anordnung zur Verstellung wahlweise verstellbarer Blenden in Objektiven an Zweiraum-Reproduktionskameras
JPS5111973Y2 (it) * 1971-04-19 1976-03-31
DE2966442D1 (en) * 1979-05-28 1984-01-05 Oce Helioprint As Lens turret
DE3045157C2 (de) * 1980-12-01 1983-02-10 Dr. Böger Duplomat Apparate KG (GmbH & Co), 2000 Wedel Objektivschlittenanordnung an einer Reproduktionskamera
ES2016652B3 (es) * 1986-06-20 1990-11-16 Gretag Ag Dispositivo copiador fotografico

Also Published As

Publication number Publication date
JPH0328840A (ja) 1991-02-07
EP0349813B1 (de) 1994-03-09
EP0349813A3 (en) 1991-07-03
EP0349813A2 (de) 1990-01-10
DE58907156D1 (de) 1994-04-14
ATE102714T1 (de) 1994-03-15
US4961087A (en) 1990-10-02
IT1224919B (it) 1990-10-29

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960726