IT8467540A0 - LIGHT MIXING CHAMBER FOR AN MAGNIFIER OR PHOTO COPIER - Google Patents

LIGHT MIXING CHAMBER FOR AN MAGNIFIER OR PHOTO COPIER

Info

Publication number: IT8467540A0
Authority: IT; Italy
Prior art keywords: magnifier; mixing chamber; light mixing; photo copier; copier
Prior art date: 1983-05-28

Application number

IT8467540A

Other languages

Italian (it)

Other versions

IT8467540A1 (en

IT1179690B (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.)

1983-05-28

Filing date

1984-05-28

Publication date

1984-05-28

1984-05-28 Application filed by Leitz Ernst Gmbh filed Critical Leitz Ernst Gmbh

1984-05-28 Publication of IT8467540A0 publication Critical patent/IT8467540A0/en

1985-11-28 Publication of IT8467540A1 publication Critical patent/IT8467540A1/en

1987-09-16 Application granted granted Critical

1987-09-16 Publication of IT1179690B publication Critical patent/IT1179690B/en

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)
Non-Portable Lighting Devices Or Systems Thereof (AREA)
Projection-Type Copiers In General (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 true IT8467540A0 (en)	1984-05-28
IT8467540A1 IT8467540A1 (en)	1985-11-28
IT1179690B IT1179690B (en)	1987-09-16

Family

ID=6200112

Family Applications (2)

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
IT67540/84A IT1179690B (en)	1983-05-28	1984-05-28	LIGHT MIXING CHAMBER FOR A PHOTO ENGRAVER OR COPIER

Family Applications Before (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)	IT8453434V0 (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

1983
- 1983-05-28 DE DE19833319399 patent/DE3319399A1/en active Granted
1984
- 1984-05-10 GB GB08411901A patent/GB2140571B/en not_active Expired
- 1984-05-17 JP JP59097683A patent/JPS59222828A/en active Pending
- 1984-05-25 FR FR8408264A patent/FR2546639B1/en not_active Expired
- 1984-05-28 IT IT8453434U patent/IT8453434V0/en unknown
- 1984-05-28 IT IT67540/84A patent/IT1179690B/en active
- 1984-05-28 CH CH2615/84A patent/CH665721A5/en not_active IP Right Cessation
1991
- 1991-09-13 JP JP1991074025U patent/JPH0489944U/ja active Pending

Also Published As

Publication number	Publication date
JPS59222828A (en)	1984-12-14
IT8467540A1 (en)	1985-11-28
DE3319399C2 (en)	1990-04-05
IT1179690B (en)	1987-09-16
GB2140571A (en)	1984-11-28
DE3319399A1 (en)	1984-11-29
JPH0489944U (en)	1992-08-05
CH665721A5 (en)	1988-05-31
GB8411901D0 (en)	1984-06-13
FR2546639A1 (en)	1984-11-30
GB2140571B (en)	1986-08-20
FR2546639B1 (en)	1987-09-11
IT8453434V0 (en)	1984-05-28

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Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19950528