FR1488451A - Method and device for automatically determining the exposure of a given photosensitive material, based on the light intensity and contrast of an actual image - Google Patents

Method and device for automatically determining the exposure of a given photosensitive material, based on the light intensity and contrast of an actual image

Info

Publication number
FR1488451A
FR1488451A FR64614A FR64614A FR1488451A FR 1488451 A FR1488451 A FR 1488451A FR 64614 A FR64614 A FR 64614A FR 64614 A FR64614 A FR 64614A FR 1488451 A FR1488451 A FR 1488451A
Authority
FR
France
Prior art keywords
exposure
contrast
light intensity
photosensitive material
actual image
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
FR64614A
Other languages
French (fr)
Inventor
Salvatore Lombardo
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
Priority to FR64614A priority Critical patent/FR1488451A/en
Application granted granted Critical
Publication of FR1488451A publication Critical patent/FR1488451A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0437—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using masks, aperture plates, spatial light modulators, spatial filters, e.g. reflective filters
    • 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
    • G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original
    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J2001/0481—Preset integrating sphere or cavity

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
FR64614A 1966-06-08 1966-06-08 Method and device for automatically determining the exposure of a given photosensitive material, based on the light intensity and contrast of an actual image Expired FR1488451A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR64614A FR1488451A (en) 1966-06-08 1966-06-08 Method and device for automatically determining the exposure of a given photosensitive material, based on the light intensity and contrast of an actual image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR64614A FR1488451A (en) 1966-06-08 1966-06-08 Method and device for automatically determining the exposure of a given photosensitive material, based on the light intensity and contrast of an actual image

Publications (1)

Publication Number Publication Date
FR1488451A true FR1488451A (en) 1967-07-13

Family

ID=8610418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR64614A Expired FR1488451A (en) 1966-06-08 1966-06-08 Method and device for automatically determining the exposure of a given photosensitive material, based on the light intensity and contrast of an actual image

Country Status (1)

Country Link
FR (1) FR1488451A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0357555A2 (en) * 1988-08-30 1990-03-07 Riemenschneider, Werner Photometer, especially for measuring glaze light intensity

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0357555A2 (en) * 1988-08-30 1990-03-07 Riemenschneider, Werner Photometer, especially for measuring glaze light intensity
EP0357555A3 (en) * 1988-08-30 1991-06-05 Riemenschneider, Werner Photometer, especially for measuring glaze light intensity

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