BE595836A - Procédé et appareil de dodging photographique - Google Patents

Procédé et appareil de dodging photographique

Info

Publication number
BE595836A
BE595836A BE595836A BE595836A BE595836A BE 595836 A BE595836 A BE 595836A BE 595836 A BE595836 A BE 595836A BE 595836 A BE595836 A BE 595836A BE 595836 A BE595836 A BE 595836A
Authority
BE
Belgium
Prior art keywords
photographic
dodging method
photographic dodging
dodging
Prior art date
Application number
BE595836A
Other languages
English (en)
Inventor
Kenneth H Folse
Original Assignee
Logetronics Inc
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 Logetronics Inc filed Critical Logetronics Inc
Publication of BE595836A publication Critical patent/BE595836A/fr

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)

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection-Type Copiers In General (AREA)
  • Facsimile Scanning Arrangements (AREA)
BE595836A 1959-10-19 1960-10-07 Procédé et appareil de dodging photographique BE595836A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US847384A US3036497A (en) 1959-10-19 1959-10-19 Photographic dodging apparatus

Publications (1)

Publication Number Publication Date
BE595836A true BE595836A (fr) 1961-02-01

Family

ID=25300489

Family Applications (1)

Application Number Title Priority Date Filing Date
BE595836A BE595836A (fr) 1959-10-19 1960-10-07 Procédé et appareil de dodging photographique

Country Status (3)

Country Link
US (1) US3036497A (fr)
BE (1) BE595836A (fr)
CH (1) CH394810A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610724A (en) * 1969-06-19 1971-10-05 Potomac Research Inc Photographic dodging apparatus
US4064205A (en) * 1974-07-02 1977-12-20 Logetronics, Inc. Method for making a printing plate from a porous substrate
US4265532A (en) * 1979-06-21 1981-05-05 Logetronics Inc. Photo printing by intensity and velocity modulation
DE3820799C2 (de) * 1987-06-19 1996-03-14 Fuji Photo Film Co Ltd Fotografisches Kopiergerät

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2039406A (en) * 1931-01-02 1936-05-05 Elmer L Greensfelder Method of and apparatus for operating intelligence systems
US2301374A (en) * 1940-11-01 1942-11-10 Rca Corp Facsimile and picture system without synchronizing units
US2757571A (en) * 1953-09-15 1956-08-07 Hazeltine Research Inc Photographic color printer
US2842025A (en) * 1954-09-02 1958-07-08 Logetronics Inc Photographic method

Also Published As

Publication number Publication date
US3036497A (en) 1962-05-29
CH394810A (fr) 1965-06-30

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