IT1179690B - LIGHT MIXING CHAMBER FOR A PHOTO ENGRAVER OR COPIER - Google Patents

LIGHT MIXING CHAMBER FOR A PHOTO ENGRAVER OR COPIER

Info

Publication number
IT1179690B
IT1179690B IT67540/84A IT6754084A IT1179690B IT 1179690 B IT1179690 B IT 1179690B IT 67540/84 A IT67540/84 A IT 67540/84A IT 6754084 A IT6754084 A IT 6754084A IT 1179690 B IT1179690 B IT 1179690B
Authority
IT
Italy
Prior art keywords
engraver
copier
photo
mixing chamber
light mixing
Prior art date
Application number
IT67540/84A
Other languages
Italian (it)
Other versions
IT8467540A0 (en
IT8467540A1 (en
Inventor
Alfred Hengst
Original Assignee
Leitz Ernst Gmbh
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 Leitz Ernst Gmbh filed Critical Leitz Ernst Gmbh
Publication of IT8467540A0 publication Critical patent/IT8467540A0/en
Publication of IT8467540A1 publication Critical patent/IT8467540A1/en
Application granted granted Critical
Publication of IT1179690B publication Critical patent/IT1179690B/en

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)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Projection-Type Copiers In General (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
IT67540/84A 1983-05-28 1984-05-28 LIGHT MIXING CHAMBER FOR A PHOTO ENGRAVER OR COPIER IT1179690B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833319399 DE3319399A1 (en) 1983-05-28 1983-05-28 LIGHT MIXING CHAMBER FOR A PHOTOGRAPHIC ENLARGEMENT OR COPIER

Publications (3)

Publication Number Publication Date
IT8467540A0 IT8467540A0 (en) 1984-05-28
IT8467540A1 IT8467540A1 (en) 1985-11-28
IT1179690B true IT1179690B (en) 1987-09-16

Family

ID=6200112

Family Applications (2)

Application Number Title Priority Date Filing Date
IT67540/84A IT1179690B (en) 1983-05-28 1984-05-28 LIGHT MIXING CHAMBER FOR A PHOTO ENGRAVER OR COPIER
IT8453434U IT8453434V0 (en) 1983-05-28 1984-05-28 LIGHT MIXING CHAMBER FOR A MAGNIFYING EQUIPMENT OR PHOTO COPIER

Family Applications After (1)

Application Number Title Priority Date Filing Date
IT8453434U IT8453434V0 (en) 1983-05-28 1984-05-28 LIGHT MIXING CHAMBER FOR A MAGNIFYING EQUIPMENT OR PHOTO COPIER

Country Status (6)

Country Link
JP (2) JPS59222828A (en)
CH (1) CH665721A5 (en)
DE (1) DE3319399A1 (en)
FR (1) FR2546639B1 (en)
GB (1) GB2140571B (en)
IT (2) IT1179690B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2587850B2 (en) * 1988-01-29 1997-03-05 富士写真フイルム株式会社 Photo printing equipment
DE9014406U1 (en) * 1990-10-17 1990-12-20 Kempf, Georg-Ulrich, 2057 Wentorf Device for enlarging transparent originals using the transmitted light method
US6222623B1 (en) * 1999-09-03 2001-04-24 Mars Incorporated Integrating light mixer
US10690303B2 (en) * 2017-12-28 2020-06-23 Bezel Studio Lighting devices and methods

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2061192A (en) * 1935-04-11 1936-11-17 Fairchild Aerial Camera Corp Photographic enlarger
GB829692A (en) * 1956-11-07 1960-03-02 Ilford Ltd Improvements in or relating to optical projection apparatus
US3157087A (en) * 1961-12-26 1964-11-17 Pako Corp Optical light distribution system for a photographic projection printer
DE1185473B (en) * 1962-05-05 1965-01-14 Klimsch & Co Condenser system for magnifiers and fluoroscopic reproduction devices
US3756712A (en) * 1971-12-14 1973-09-04 Berkey Photo Inc Illumination system for color enlargers and the like
CH612519A5 (en) * 1977-03-08 1979-07-31 Zelacolor Syst
JPS56114939A (en) * 1980-02-16 1981-09-09 Fujimoto Shashin Kogyo Kk Light source unit assembly of photographic enlarger
DE3007576C2 (en) * 1980-02-28 1981-11-12 Fujimoto Photo Industrial Co., Ltd., Osaka Exposure device for photographic enlargers

Also Published As

Publication number Publication date
JPS59222828A (en) 1984-12-14
GB2140571B (en) 1986-08-20
JPH0489944U (en) 1992-08-05
IT8467540A0 (en) 1984-05-28
CH665721A5 (en) 1988-05-31
FR2546639B1 (en) 1987-09-11
DE3319399C2 (en) 1990-04-05
FR2546639A1 (en) 1984-11-30
IT8453434V0 (en) 1984-05-28
GB2140571A (en) 1984-11-28
DE3319399A1 (en) 1984-11-29
IT8467540A1 (en) 1985-11-28
GB8411901D0 (en) 1984-06-13

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Legal Events

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

Effective date: 19950528