FR941092A - Procédé de réalisation de contrastes photographiques - Google Patents

Procédé de réalisation de contrastes photographiques

Info

Publication number
FR941092A
FR941092A FR941092DA FR941092A FR 941092 A FR941092 A FR 941092A FR 941092D A FR941092D A FR 941092DA FR 941092 A FR941092 A FR 941092A
Authority
FR
France
Prior art keywords
producing photographic
contrasts
photographic contrasts
producing
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)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR941092A publication Critical patent/FR941092A/fr
Expired legal-status Critical Current

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
    • G03C1/52—Compositions containing diazo compounds as photosensitive substances
    • G03C1/62—Metal compounds reducible to metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D17/00—Parachutes
    • B64D17/40—Packs
    • B64D17/52—Opening, e.g. manual

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
FR941092D 1946-01-21 1947-01-20 Procédé de réalisation de contrastes photographiques Expired FR941092A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL272285X 1946-01-21

Publications (1)

Publication Number Publication Date
FR941092A true FR941092A (fr) 1948-12-31

Family

ID=19781980

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941092D Expired FR941092A (fr) 1946-01-21 1947-01-20 Procédé de réalisation de contrastes photographiques

Country Status (6)

Country Link
US (1) US2571670A (pm)
CH (1) CH272285A (pm)
DE (1) DE832543C (pm)
FR (1) FR941092A (pm)
GB (1) GB678912A (pm)
NL (1) NL70689C (pm)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE506160A (pm) * 1950-10-03
NL78902C (pm) * 1951-03-28

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US466534A (en) * 1892-01-05 Island
US2269161A (en) * 1942-01-06 morse
US1067690A (en) * 1912-08-01 1913-07-15 Kay M Stewart Pump.
US1396770A (en) * 1919-06-14 1921-11-15 Eastman Kodak Co Method and apparatus for making photographic records
BE343949A (pm) * 1926-07-09
DE480352C (de) * 1927-01-26 1929-08-08 Ervin Burg Dr Verfahren zur Beschleunigung der mittels Gase oder Daempfe bewirkten Entwicklungsprozesse von photographischen und Lichtpauspapieren
US1861918A (en) * 1928-01-30 1932-06-07 Eastman Kodak Co Process of conditioning photographic films
GB377145A (en) * 1931-04-02 1932-07-21 Ig Farbenindustrie Ag An improvement in producing sound and picture records
FR735718A (fr) * 1931-07-21 1932-11-14 Procédé de préparation et de fixage de couches photographiques obtenues avec des dazosulfonates
FR741172A (pm) * 1931-11-09 1933-02-08
US1997507A (en) * 1932-03-09 1935-04-09 Vladimir C Akintievsky Process of photo-printing
BE407017A (pm) * 1933-12-27
GB503092A (en) * 1937-05-27 1939-03-26 Eastman Kodak Co Improved process of treating sensitive photographic film
US2196110A (en) * 1937-06-14 1940-04-02 Ig Farbenindustrie Ag Process of producing sound films
BE429591A (pm) * 1937-08-09
US2252006A (en) * 1938-01-08 1941-08-12 Hartford Nat Bank & Trust Co Sound-picture film and method of printing the same
FR853868A (fr) * 1938-11-19 1940-03-30 Procédé permettant l'obtention de reproduction d'images au moyen de composés diazoïques

Also Published As

Publication number Publication date
DE832543C (de) 1952-02-25
US2571670A (en) 1951-10-16
NL70689C (pm)
CH272285A (de) 1950-12-15
GB678912A (en) 1952-09-10

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