CH446893A - Method for classifying transparent photographic images - Google Patents

Method for classifying transparent photographic images

Info

Publication number
CH446893A
CH446893A CH40866A CH40866A CH446893A CH 446893 A CH446893 A CH 446893A CH 40866 A CH40866 A CH 40866A CH 40866 A CH40866 A CH 40866A CH 446893 A CH446893 A CH 446893A
Authority
CH
Switzerland
Prior art keywords
classifying
photographic images
transparent photographic
transparent
images
Prior art date
Application number
CH40866A
Other languages
German (de)
Inventor
Manktelow Neale Denis
George Smith Leslie John
Original Assignee
Ilford Ltd
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
Priority claimed from GB152665A external-priority patent/GB1109381A/en
Application filed by Ilford Ltd filed Critical Ilford Ltd
Publication of CH446893A publication Critical patent/CH446893A/en

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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/08—Photoprinting; Processes and means for preventing photoprinting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Facsimile Image Signal Circuits (AREA)
CH40866A 1965-01-13 1966-01-13 Method for classifying transparent photographic images CH446893A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB152665A GB1109381A (en) 1965-01-13 1965-01-13 Photographic printing
GB1678765 1965-04-21
GB2007665 1965-05-12

Publications (1)

Publication Number Publication Date
CH446893A true CH446893A (en) 1967-11-15

Family

ID=27253901

Family Applications (1)

Application Number Title Priority Date Filing Date
CH40866A CH446893A (en) 1965-01-13 1966-01-13 Method for classifying transparent photographic images

Country Status (3)

Country Link
US (1) US3455632A (en)
CH (1) CH446893A (en)
DE (1) DE1522866C3 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3545858A (en) * 1968-03-11 1970-12-08 Warren Childers Photographic timing apparatus responsive to optical density
DE2048606C3 (en) * 1970-10-02 1985-05-30 Agfa-Gevaert Ag, 5090 Leverkusen Exposure control device
US4101216A (en) * 1974-12-13 1978-07-18 Gretag Aktiengesellschaft Method and apparatus for print exposure control
NL7604425A (en) * 1975-04-28 1976-11-01 Hoechst Ag METHOD AND DEVICE FOR THE AUTOMATIC CONTROL OF THE LIGHT AMOUNT, MORE PARTICULARLY IN MICROFILM MAGNIFIER.
CH596573A5 (en) * 1975-08-14 1978-03-15 Gretag Ag
DE2654943C2 (en) * 1976-12-03 1985-10-24 Agfa-Gevaert Ag, 5090 Leverkusen Method and device for the preliminary examination of master copies combined to form a master tape
US4344699A (en) * 1981-06-05 1982-08-17 Log Etronics, Inc. Exposure and contrast determination by prescanning in electronic photoprinting systems
DE3225882A1 (en) * 1981-06-05 1983-04-07 LogEtronics Inc., 22150 Springfield, Va. Colour copying method using a stored mask determined by scanning
US4885605A (en) * 1987-02-13 1989-12-05 Minolta Camera Kabushiki Kaisha Negative/positive microfilm discriminating system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986466A (en) * 1955-12-06 1961-05-30 Edward K Kaprelian Color electrophotography
US2927857A (en) * 1956-09-24 1960-03-08 Technicolor Corp Method of making colored pictures
US2976348A (en) * 1957-05-28 1961-03-21 Hazeltine Research Inc Electronic previewer for simulating image produced by photochemical processing
DE1234121B (en) * 1959-03-26 1967-02-09 Agfa Ag Optical copying device with a photoelectric device used for exposure measurement or control
US3244062A (en) * 1960-04-12 1966-04-05 Gen Aniline & Film Corp Photo-electrical sensitometric measuring apparatus
US3339076A (en) * 1964-01-13 1967-08-29 Univ Minnesota Dual differential densitometer
US3246334A (en) * 1964-03-09 1966-04-12 Jr Harry L Devereaux System for automatically plotting sensitometric control strip deviations
US3375751A (en) * 1964-03-16 1968-04-02 Barnes Eng Co Negative and print densitometer
US3261258A (en) * 1964-11-13 1966-07-19 Paul P Bey Photometric device

Also Published As

Publication number Publication date
DE1522866A1 (en) 1969-10-16
DE1522866B2 (en) 1974-05-22
US3455632A (en) 1969-07-15
DE1522866C3 (en) 1975-01-09

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