GB678912A - Improvements in or relating to methods of producing photographic records - Google Patents

Improvements in or relating to methods of producing photographic records

Info

Publication number
GB678912A
GB678912A GB1599/47A GB159947A GB678912A GB 678912 A GB678912 A GB 678912A GB 1599/47 A GB1599/47 A GB 1599/47A GB 159947 A GB159947 A GB 159947A GB 678912 A GB678912 A GB 678912A
Authority
GB
United Kingdom
Prior art keywords
exposure
sensitive
light
duration
per cent
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
GB1599/47A
Other languages
English (en)
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
Publication of GB678912A publication Critical patent/GB678912A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/52Compositions containing diazo compounds as photosensitive substances
    • G03C1/62Metal compounds reducible to metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D17/00Parachutes
    • B64D17/40Packs
    • B64D17/52Opening, 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)
GB1599/47A 1946-01-21 1947-01-17 Improvements in or relating to methods of producing photographic records Expired GB678912A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB678912A true GB678912A (en) 1952-09-10

Family

ID=19781980

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1599/47A Expired GB678912A (en) 1946-01-21 1947-01-17 Improvements in or relating to methods of producing photographic records

Country Status (6)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE506160A (enrdf_load_stackoverflow) * 1950-10-03
BE510221A (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 1931-11-09 1933-02-08
US1997507A (en) * 1932-03-09 1935-04-09 Vladimir C Akintievsky Process of photo-printing
BE407017A (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 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
FR941092A (fr) 1948-12-31
NL70689C (enrdf_load_stackoverflow)
CH272285A (de) 1950-12-15

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