IT1224919B - 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
IT1224919B
IT1224919B IT8804839A IT483988A IT1224919B IT 1224919 B IT1224919 B IT 1224919B IT 8804839 A IT8804839 A IT 8804839A IT 483988 A IT483988 A IT 483988A IT 1224919 B IT1224919 B IT 1224919B
Authority
IT
Italy
Prior art keywords
magnifyer
diaphrag
objectives
diaphragms
regulator device
Prior art date
Application number
IT8804839A
Other languages
English (en)
Other versions
IT8804839A0 (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 AT89111065T priority patent/ATE102714T1/de
Priority to DE89111065T priority patent/DE58907156D1/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection-Type Copiers In General (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Exposure Control For Cameras (AREA)
  • Diaphragms For Cameras (AREA)
  • Diaphragms And Bellows (AREA)
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.
AT89111065T ATE102714T1 (de) 1988-07-03 1989-06-19 Blendeneinstellvorrichtung in einem fotografischen vergroesserungs- oder kopiergeraet mit mehreren objektiven mit verstellbarer blende.
DE89111065T DE58907156D1 (de) 1988-07-03 1989-06-19 Blendeneinstellvorrichtung in einem fotografischen Vergrösserungs- oder Kopiergerät 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 IT8804839A0 (it) 1988-07-03
IT1224919B true 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
EP0019666B1 (en) * 1979-05-28 1983-11-30 Océ-Helioprint A.S. Lens turret
DE3045157C2 (de) * 1980-12-01 1983-02-10 Dr. Böger Duplomat Apparate KG (GmbH & Co), 2000 Wedel Objektivschlittenanordnung an einer Reproduktionskamera
EP0250368B1 (de) * 1986-06-20 1990-07-25 GRETAG Aktiengesellschaft Fotografische Kopiervorrichtung

Also Published As

Publication number Publication date
ATE102714T1 (de) 1994-03-15
EP0349813B1 (de) 1994-03-09
EP0349813A2 (de) 1990-01-10
IT8804839A0 (it) 1988-07-03
US4961087A (en) 1990-10-02
JPH0328840A (ja) 1991-02-07
DE58907156D1 (de) 1994-04-14
EP0349813A3 (en) 1991-07-03

Similar Documents

Publication Publication Date Title
US3037423A (en) Automatic focusing system
EP0357056A3 (en) Camera system
EP0188234A3 (en) Improved step-and-repeat alignment and exposure system
EP0352754A3 (en) Motor-controlled lens system
US3704657A (en) Adaptive optical focusing system
ES2013093A6 (es) Dispositivo para realizar retratos fotograficos.
IT1224919B (it) Dispositivo regolatore di diaframma in un ingranditore o riproduttore fotografico con piu' obiettivi a diaframma regolabile.
DE69121285D1 (de) Optischer Druckwandler
US4929971A (en) Camera and image output apparatus capable of trimmed photographing
CA2151754A1 (en) Optical Apparatus Having Lens-System Drive Device for Temperature Correction in Direction of Optical Axis
US4435076A (en) Projected image positioning method and apparatus for photographic enlarger
EP0352778A3 (en) Automatic focus adjusting device in camera system
KR830009501A (ko) 초점조절장치(焦點調節裝置)
US3517599A (en) Flash and daylight exposure control
US4444488A (en) Adjustable mirror support for copying apparatus
US4005442A (en) Automatic focusing mechanism
GB1199638A (en) Photographic Filmstrip Projectors
SE8902940D0 (sv) Inriktningsanordning
FR2370993A1 (fr) Systeme optique a premiere partie positive demontable et seconde partie pancratique reglable
JP2515714B2 (ja) 可変倍率光学系におけるレンズ位置設定機構
US4338519A (en) Adjustable blip sensor interface for microfilm reader and microfilm reader printers
SU830282A1 (ru) Устройство дл контрол продольнойНЕуСТОйчиВОСТи плЕНКи B КиНОАппАРАТЕ
JPS5745567A (en) Exposure device
US3110240A (en) Manual override for photoelectric exposure control in camera
JPS6470735A (en) Scanning exposure type image forming device

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960726