ITMI931217A0 - Mascheratura di trasparenze per duplicazione - Google Patents

Mascheratura di trasparenze per duplicazione

Info

Publication number
ITMI931217A0
ITMI931217A0 IT93MI1217A ITMI931217A ITMI931217A0 IT MI931217 A0 ITMI931217 A0 IT MI931217A0 IT 93MI1217 A IT93MI1217 A IT 93MI1217A IT MI931217 A ITMI931217 A IT MI931217A IT MI931217 A0 ITMI931217 A0 IT MI931217A0
Authority
IT
Italy
Prior art keywords
duplication
masking
transparency
Prior art date
Application number
IT93MI1217A
Other languages
English (en)
Inventor
Wolfgang Zahn
Original Assignee
Agfa Gevaert Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27203888&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ITMI931217(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Agfa Gevaert Ag filed Critical Agfa Gevaert Ag
Publication of ITMI931217A0 publication Critical patent/ITMI931217A0/it
Publication of ITMI931217A1 publication Critical patent/ITMI931217A1/it
Application granted granted Critical
Publication of IT1264473B1 publication Critical patent/IT1264473B1/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
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/725—Optical projection devices wherein the contrast is controlled electrically (e.g. cathode ray tube masking)
    • 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
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Holders For Sensitive Materials And Originals (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Detergent Compositions (AREA)
IT93MI001217A 1992-06-25 1993-06-09 Mascheratura di trasparenze per duplicazione IT1264473B1 (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4220918 1992-06-25
DE4221995 1992-07-04
DE4230840 1992-09-15

Publications (3)

Publication Number Publication Date
ITMI931217A0 true ITMI931217A0 (it) 1993-06-09
ITMI931217A1 ITMI931217A1 (it) 1994-12-09
IT1264473B1 IT1264473B1 (it) 1996-09-23

Family

ID=27203888

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93MI001217A IT1264473B1 (it) 1992-06-25 1993-06-09 Mascheratura di trasparenze per duplicazione

Country Status (5)

Country Link
US (1) US5638153A (it)
JP (1) JPH0659352A (it)
CH (1) CH685580A5 (it)
DE (1) DE4308864C2 (it)
IT (1) IT1264473B1 (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5712674A (en) * 1994-05-02 1998-01-27 Fuji Photo Film Co., Ltd. Exposure device utilizing differently colored light emitting elements
JPH0822081A (ja) * 1994-07-08 1996-01-23 Fuji Photo Film Co Ltd 写真プリンタ及びフイルムスキャナー
US5995202A (en) * 1995-03-03 1999-11-30 Fuji Photo Film Co., Ltd. Method and apparatus for producing index prints and density adjusting method
DE19618476C2 (de) * 1996-05-08 1999-11-18 Agfa Gevaert Ag Verfahren zum Kopieren von transparenten Bildvorlagen und fotografisches Kopiergerät
DE19703063C2 (de) * 1997-01-29 2000-05-04 Agfa Gevaert Ag Verfahren zum Erzeugen eines Bildes von einer transparenten Vorlage
US5978066A (en) * 1997-10-06 1999-11-02 Agfa-Gevaert Ag Method of copying transparent originals and photographic copier
SE512276C2 (sv) 1997-10-09 2000-02-21 Gs Dev Ab Ljusavgivande anordning
DE19745498C2 (de) * 1997-10-15 2000-12-07 Agfa Gevaert Ag Verfahren und Vorrichtung zum Kopieren einer transparenten Vorlage auf lichtempfindliches Material
DE19842457A1 (de) * 1998-09-16 2000-04-13 Agfa Gevaert Ag Vorrichtung zum Aufbelichten von Bildinformationen
US6577378B1 (en) 2000-08-22 2003-06-10 Eastman Kodak Company System and method for light falloff compensation in an optical system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820965A1 (de) * 1978-05-12 1979-11-15 Agfa Gevaert Ag Fotografisches kopiergeraet
DE3140078A1 (de) * 1980-10-08 1982-04-22 Kabushiki Kaisha Suwa Seikosha, Tokyo Optische fluessigkristalleinrichtung und drucker, der eine solche optische einrichtung als lichtventil benutzt
DE3276289D1 (en) * 1982-02-19 1987-06-11 Agfa Gevaert Nv Recording apparatus
US4857906A (en) * 1987-10-08 1989-08-15 Tektronix, Inc. Complex waveform multiplexer for liquid crystal displays
JPH0276481A (ja) * 1988-08-26 1990-03-15 Nec Eng Ltd 撮像装置
DE4022055C2 (de) * 1990-07-11 1994-03-10 Wolfgang Caspar Vorrichtung zur Farb- und Helligkeitsregelung
US5084727A (en) * 1990-12-21 1992-01-28 Eastman Kodak Company Method and apparatus for photographic exposure using an LCD pad
DE4103995C2 (de) * 1991-02-09 2000-05-11 Agfa Gevaert Ag Automatisch arbeitendes fotografisches Kopiergerät mit einer Vorrichtung zum Maskieren
DE4110813A1 (de) * 1991-04-04 1992-10-08 Agfa Gevaert Ag Verfahren zum punkt- und zeilenweisen kopieren einer kopiervorlage
US5218402A (en) * 1991-09-17 1993-06-08 Eastman Kodak Company Color image reproduction with compensating light source

Also Published As

Publication number Publication date
DE4308864A1 (de) 1994-01-13
JPH0659352A (ja) 1994-03-04
IT1264473B1 (it) 1996-09-23
CH685580A5 (de) 1995-08-15
DE4308864C2 (de) 1996-05-09
ITMI931217A1 (it) 1994-12-09
US5638153A (en) 1997-06-10

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970630