[go: up one dir, main page]

BE819171A - Elements photographiques a base d'halogenures d'argent a grandelatitude de pose et a faible gradient et leur preparation - Google Patents

Elements photographiques a base d'halogenures d'argent a grandelatitude de pose et a faible gradient et leur preparation

Info

Publication number
BE819171A
BE819171A BE147890A BE147890A BE819171A BE 819171 A BE819171 A BE 819171A BE 147890 A BE147890 A BE 147890A BE 147890 A BE147890 A BE 147890A BE 819171 A BE819171 A BE 819171A
Authority
BE
Belgium
Prior art keywords
preparation
elements based
photographic elements
low gradient
high laying
Prior art date
Application number
BE147890A
Other languages
English (en)
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 filed Critical
Publication of BE819171A publication Critical patent/BE819171A/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
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • 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
    • G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • G03C2001/03564—Mixed grains or mixture of emulsions
    • 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
    • Y10S430/15—Lithographic emulsion

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE147890A 1973-08-27 1974-08-26 Elements photographiques a base d'halogenures d'argent a grandelatitude de pose et a faible gradient et leur preparation BE819171A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US391525A US3888676A (en) 1973-08-27 1973-08-27 Silver halide films with wide exposure latitude and low gradient

Publications (1)

Publication Number Publication Date
BE819171A true BE819171A (fr) 1975-02-26

Family

ID=23546952

Family Applications (1)

Application Number Title Priority Date Filing Date
BE147890A BE819171A (fr) 1973-08-27 1974-08-26 Elements photographiques a base d'halogenures d'argent a grandelatitude de pose et a faible gradient et leur preparation

Country Status (8)

Country Link
US (1) US3888676A (fr)
JP (1) JPS5051724A (fr)
BE (1) BE819171A (fr)
CA (1) CA1032808A (fr)
DE (1) DE2440639C2 (fr)
FR (1) FR2242703B1 (fr)
GB (1) GB1471778A (fr)
IT (1) IT1020198B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2708466A1 (de) * 1977-02-26 1978-08-31 Agfa Gevaert Ag Emulsionsabmischungen fuer colorumkehr-(aufsichts-)material
DE2818428C3 (de) * 1977-05-02 1980-12-04 E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) Photographisches Aufzeichnungsmaterial
US4209329A (en) * 1977-05-02 1980-06-24 E. I. Du Pont De Nemours And Company Low silver coating weight, high speed films having two similar emulsion layers
JPS58143335A (ja) * 1982-02-19 1983-08-25 Konishiroku Photo Ind Co Ltd ハロゲン化銀写真感光材料
US4451560A (en) * 1982-11-15 1984-05-29 Polaroid Corporation Chemical sensitization of silver halide grains
JPS59137951A (ja) * 1983-01-28 1984-08-08 Fuji Photo Film Co Ltd カラ−反転感光材料
JPS6290646A (ja) * 1985-10-17 1987-04-25 Fuji Photo Film Co Ltd ハロゲン化銀写真感光材料およびそれを用いた画像形成方法
JPH01131542A (ja) * 1987-08-21 1989-05-24 Konica Corp ネガ型ハロゲン化銀カラー写真感光材料
DE3828312A1 (de) * 1988-08-20 1990-03-01 Agfa Gevaert Ag Herstellung einer silberhalogenidemulsion
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
US8760537B2 (en) 2010-07-05 2014-06-24 Apple Inc. Capturing and rendering high dynamic range images

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456955A (en) * 1944-06-02 1948-12-21 Eastman Kodak Co Photographic processes and lightsensitive elements therefor
US3130053A (en) * 1956-06-26 1964-04-21 Agfa Ag Photographic material for the production of photographic records with tone value correction
BE558670A (fr) * 1956-06-26
US3140179A (en) * 1959-10-22 1964-07-07 Eastman Kodak Co Photographic element having increased speed and contrast
US3450536A (en) * 1961-03-24 1969-06-17 Eg & G Inc Silver halide photographic film having increased exposure-response characteristics
US3206313A (en) * 1961-05-15 1965-09-14 Eastman Kodak Co Chemically sensitized emulsions having low surface sensitivity and high internal sensitivity
DE1447568A1 (de) * 1963-04-20 1969-02-13 Agfa Ag Lichtempfindliches photographisches Material,das unabhaengig von der Belichtung mit blauem,gruenem oder rotem Licht Bilder gleicher Gradation liefert
US3418123A (en) * 1965-10-22 1968-12-24 Du Pont Intensification process utilizing superposed silver halide layered structure
US3632342A (en) * 1969-03-03 1972-01-04 Eastman Kodak Co Photographic element containing acrylic latex polymers

Also Published As

Publication number Publication date
JPS5051724A (fr) 1975-05-08
GB1471778A (en) 1977-04-27
DE2440639A1 (de) 1975-03-13
DE2440639C2 (de) 1982-03-11
FR2242703B1 (fr) 1982-06-04
IT1020198B (it) 1977-12-20
US3888676A (en) 1975-06-10
CA1032808A (fr) 1978-06-13
FR2242703A1 (fr) 1975-03-28

Similar Documents

Publication Publication Date Title
SE427278B (sv) Vattensvellbar film och forfarande for framstellning derav
BE850524A (fr) Nouvelles n-phenyl-n'-benzoylurees
BR7703379A (pt) Sistema fotovoltaico incluindo uma lente
FR2444958B1 (fr) Article et element photographiques revetus d'une couche antistatique permanente et leur preparation
BE862062A (fr) Document-support d'information de securite
AT347106B (de) Tragwinkel
JPS5330326A (en) Large aperture wide angle photographic lens
IT1066211B (it) Raccoglitore per fotografie e relative pellicole fotografiche
FR2345742A1 (fr) Dispositif pour l'affichage numerique de donnees de prises de vues photographiques
BE819171A (fr) Elements photographiques a base d'halogenures d'argent a grandelatitude de pose et a faible gradient et leur preparation
SE7701728L (sv) Klusterforeningar och forfarande for framstellning derav
AU2662677A (en) Camera support
JPS5366224A (en) Autoofocusing system in zoom lens
BE855031A (fr) Matiere formatrice d'images
JPS52152250A (en) Zoom lens system
FR2334986A1 (fr) Dispositif de fusion d'image de revelateur
FR2353497A1 (fr) Silicate photochromique a base d'halogenure d'argent
AT366181B (de) Objektiv mit veraenderbarer brennweite
JPS5286471A (en) Two dimensional orientated film
GB1547200A (en) Artificial implatn lens
BE860362A (fr) Interpolymeres d'acrylonitrile-styrene-indene
JPS5366223A (en) Focusing system in zoom lens and autoofocusing system
FR2298538A1 (fr) Le developpement d'elements photographiques aux halogenures d'argent
BE768558A (fr) Emulsions photographiques a base d'halogenure d'argent et leur utilisation
NL7601361A (nl) Televisiekamera en daarvoor geschikte opneembuis.

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: E.I. DU PONT DE NEMOURS AND CY

Effective date: 19850831