FR1130381A - Procédé photographique - Google Patents

Procédé photographique

Info

Publication number
FR1130381A
FR1130381A FR1130381DA FR1130381A FR 1130381 A FR1130381 A FR 1130381A FR 1130381D A FR1130381D A FR 1130381DA FR 1130381 A FR1130381 A FR 1130381A
Authority
FR
France
Prior art keywords
photographic process
photographic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Richard N Johnson
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
Application granted granted Critical
Publication of FR1130381A publication Critical patent/FR1130381A/fr
Expired legal-status Critical Current

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)
FR1130381D 1954-09-02 1955-08-29 Procédé photographique Expired FR1130381A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1130381XA 1954-09-02 1954-09-02

Publications (1)

Publication Number Publication Date
FR1130381A true FR1130381A (fr) 1957-02-05

Family

ID=22347270

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1130381D Expired FR1130381A (fr) 1954-09-02 1955-08-29 Procédé photographique

Country Status (1)

Country Link
FR (1) FR1130381A (fr)

Similar Documents

Publication Publication Date Title
FR1134731A (fr) Procédé électrolytique
CH325288A (de) Impfbesteck
CH363560A (de) Photographisches Verfahren
FR1125410A (fr) Procédé de reproduction photographique
FR1121390A (fr) Procédé de coulée
FR1119879A (fr) Procédé de filage
FR1221623A (fr) Procédé de traitement photographique
FR1143265A (fr) Film photographique
FR1134072A (fr) Objectif photographique
FR1208313A (fr) Procédé photographique
FR1120915A (fr) Développateur photographique
FR1096222A (fr) Procédé de reproduction photographique
FR1151890A (fr) Procédé photographique
FR1105634A (fr) Procédé de blanchiment
FR1162117A (fr) Procédé de fabrication de ganglioplégiques
FR1083462A (fr) Procédé de reproduction photographique
FR1132042A (fr) Procédé perfectionné d'hydroreformation
FR1187557A (fr) Objectif photographique
FR1109628A (fr) Procédé de construction de cheminées
FR1125254A (fr) Obturateur photographique
FR1120634A (fr) Procédé de reproduction électrostatique
FR1126785A (fr) Procédé de nettoyage
FR1118216A (fr) Procédé de blanchiment de demi-cellulose
FR1149704A (fr) Procédé de reproduction photographique
FR68510E (fr) Objectif photographique