IT954637B - Copiatrice eliografica - Google Patents

Copiatrice eliografica

Info

Publication number
IT954637B
IT954637B IT68101/72A IT6810172A IT954637B IT 954637 B IT954637 B IT 954637B IT 68101/72 A IT68101/72 A IT 68101/72A IT 6810172 A IT6810172 A IT 6810172A IT 954637 B IT954637 B IT 954637B
Authority
IT
Italy
Prior art keywords
heliographic
copier
heliographic copier
Prior art date
Application number
IT68101/72A
Other languages
English (en)
Original Assignee
Meteor Siegen Apparat Schmeck
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 Meteor Siegen Apparat Schmeck filed Critical Meteor Siegen Apparat Schmeck
Application granted granted Critical
Publication of IT954637B publication Critical patent/IT954637B/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Projection-Type Copiers In General (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
IT68101/72A 1971-04-23 1972-04-10 Copiatrice eliografica IT954637B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712119871 DE2119871B2 (de) 1971-04-23 1971-04-23 Lichtpausmaschine mit einer messstation zur messung der transparenz eines originals

Publications (1)

Publication Number Publication Date
IT954637B true IT954637B (it) 1973-09-15

Family

ID=5805677

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68101/72A IT954637B (it) 1971-04-23 1972-04-10 Copiatrice eliografica

Country Status (4)

Country Link
US (1) US3782817A (it)
DE (1) DE2119871B2 (it)
GB (1) GB1385814A (it)
IT (1) IT954637B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2166936C3 (de) * 1971-04-22 1982-02-04 Hoechst Ag, 6000 Frankfurt Lichtempfindliche Meßeinheit zur Messung der Lichtdurchlässigkeit einer Kopiervorlage
DE2924531A1 (de) * 1978-06-19 1980-01-03 Ciba Geigy Ag Filteranordnung fuer ein vergroesserungsgeraet
DE3740103A1 (de) * 1987-11-26 1989-06-08 Stein Ritter Von Werner Verfahren zur steuerung der belichtung in hochleistungsprintern
GB2309088A (en) * 1996-01-12 1997-07-16 Synectix Ltd Image exposing apparatus
JP4513139B2 (ja) * 1999-05-24 2010-07-28 双葉電子工業株式会社 画像記録装置
CN113899447B (zh) * 2020-06-22 2024-05-10 三赢科技（深圳）有限公司 光密度测试系统及光密度测试仪

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2272646A (en) * 1939-02-02 1942-02-10 Gen Aniline & Film Corp Apparatus for the production of photographic printing light
US3075432A (en) * 1954-05-03 1963-01-29 Searborough Associates Inc Selective color filter
US3090289A (en) * 1960-08-29 1963-05-21 Technicolor Corp Of America Color photographic printer

Also Published As

Publication number Publication date
DE2119871A1 (de) 1972-11-09
US3782817A (en) 1974-01-01
DE2119871B2 (de) 1976-03-25
GB1385814A (en) 1975-03-05

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