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BE754842A - Produit photographique aux halogenures d'argent positif direct a latitude d'exposition amelioree - Google Patents

Produit photographique aux halogenures d'argent positif direct a latitude d'exposition amelioree

Info

Publication number
BE754842A
BE754842A BE754842DA BE754842A BE 754842 A BE754842 A BE 754842A BE 754842D A BE754842D A BE 754842DA BE 754842 A BE754842 A BE 754842A
Authority
BE
Belgium
Prior art keywords
halograph
exposure latitude
direct positive
positive silver
photographic product
Prior art date
Application number
Other languages
English (en)
Inventor
R C Taber
J E Koller
Original Assignee
Eastman Kodak Co
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.)
Publication date
Publication of BE754842A publication Critical patent/BE754842A/fr

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/46—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein having more than one photosensitive layer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/141—Direct positive material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE754842D 1969-08-14 Produit photographique aux halogenures d'argent positif direct a latitude d'exposition amelioree BE754842A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85019769A 1969-08-14 1969-08-14

Publications (1)

Publication Number Publication Date
BE754842A true BE754842A (fr) 1971-01-18

Family

ID=25307525

Family Applications (1)

Application Number Title Priority Date Filing Date
BE754842D BE754842A (fr) 1969-08-14 Produit photographique aux halogenures d'argent positif direct a latitude d'exposition amelioree

Country Status (5)

Country Link
US (1) US3647463A (fr)
BE (1) BE754842A (fr)
DE (1) DE2040131C2 (fr)
FR (1) FR2058081A5 (fr)
GB (1) GB1318723A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5140980B1 (fr) * 1971-04-20 1976-11-06
US4109045A (en) * 1972-11-06 1978-08-22 Canon Kabushiki Kaisha Information recording medium
GB1456243A (en) * 1973-01-25 1976-11-24 Agfa Gevaert Directpositive silver halide elements
FR2559740B1 (fr) * 1984-02-17 1986-11-07 Habourdin International Emballage presentoir inviolable formant coffret reutilisable pour objets divers
EP0681209A1 (fr) * 1994-05-06 1995-11-08 Agfa-Gevaert N.V. Matériau photographique positif-direct multicouche et son procédé de préparation
US5491058A (en) 1994-08-09 1996-02-13 Eastman Kodak Company Film for duplicating silver images in radiographic films
US5828793A (en) * 1996-05-06 1998-10-27 Massachusetts Institute Of Technology Method and apparatus for producing digital images having extended dynamic ranges
US7978925B1 (en) 2005-04-16 2011-07-12 Apple Inc. Smoothing and/or locking operations in video editing
US8885978B2 (en) 2010-07-05 2014-11-11 Apple Inc. Operating a device to capture high dynamic range images

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1905188A (en) * 1930-08-02 1933-04-25 Du Pont Film Mfg Corp Positive photographic film
DE656255C (de) * 1933-05-07 1938-02-01 Heinrich Kuehn Beidseitig beschichteter photographischer Film
BE490657A (fr) * 1948-08-13
BE609927A (fr) * 1959-01-12
DE1140814B (de) * 1959-11-10 1962-12-06 Agfa Ag Verfahren und photographisches Material zur Herstellung von tonwertberichtigten Aufnahmen und Kopien mit doppelseitiger Emulsionsbeschichtung
US3450536A (en) * 1961-03-24 1969-06-17 Eg & G Inc Silver halide photographic film having increased exposure-response characteristics
US3352672A (en) * 1964-04-09 1967-11-14 Eastman Kodak Co Photographic direct positive color process and element
US3471295A (en) * 1964-06-20 1969-10-07 Beate Elisabeth Loffler Production of colored direct-positive images
US3457072A (en) * 1965-10-22 1969-07-22 Eastman Kodak Co Photographic element and process

Also Published As

Publication number Publication date
FR2058081A5 (fr) 1971-05-21
US3647463A (en) 1972-03-07
GB1318723A (en) 1973-05-31
DE2040131A1 (de) 1971-03-11
DE2040131C2 (de) 1983-08-25

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: EASTMAN KODAK CY

Effective date: 19840813