FR1515489A - Sonde de détection de la lumière, en particulier pour travaux photographiques - Google Patents

Sonde de détection de la lumière, en particulier pour travaux photographiques

Info

Publication number
FR1515489A
FR1515489A FR99812A FR99812A FR1515489A FR 1515489 A FR1515489 A FR 1515489A FR 99812 A FR99812 A FR 99812A FR 99812 A FR99812 A FR 99812A FR 1515489 A FR1515489 A FR 1515489A
Authority
FR
France
Prior art keywords
light detection
detection probe
photographic work
photographic
work
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
FR99812A
Other languages
English (en)
Inventor
James Railton Denner
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 GB29463/66A external-priority patent/GB1189661A/en
Application filed filed Critical
Application granted granted Critical
Publication of FR1515489A publication Critical patent/FR1515489A/fr
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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • 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
    • 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
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • G01J1/4223—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for copy - or printing apparatus
    • 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
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/66—Details specially adapted for holding half-tone screens
    • 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)
  • Spectrometry And Color Measurement (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR99812A 1966-03-24 1967-03-22 Sonde de détection de la lumière, en particulier pour travaux photographiques Expired FR1515489A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1294666 1966-03-24
GB29463/66A GB1189661A (en) 1966-03-24 1966-03-24 Improvements in or relating to Photographic Apparatus.

Publications (1)

Publication Number Publication Date
FR1515489A true FR1515489A (fr) 1968-03-01

Family

ID=26249371

Family Applications (1)

Application Number Title Priority Date Filing Date
FR99812A Expired FR1515489A (fr) 1966-03-24 1967-03-22 Sonde de détection de la lumière, en particulier pour travaux photographiques

Country Status (5)

Country Link
US (1) US3496368A (fr)
CH (1) CH476322A (fr)
DE (1) DE1547251A1 (fr)
FR (1) FR1515489A (fr)
NO (1) NO123824B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628076A (en) * 1968-12-24 1971-12-14 Philips Corp Photoconductive screen deriving light thorugh light conductor from tube filament

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2353218A (en) * 1941-03-14 1944-07-11 Eastman Kodak Co Photographic printing apparatus
US2668474A (en) * 1949-03-28 1954-02-09 Jr Elwood C Rogers Photographic printing apparatus

Also Published As

Publication number Publication date
CH476322A (fr) 1969-07-31
NO123824B (fr) 1972-01-17
DE1547251A1 (de) 1969-12-18
US3496368A (en) 1970-02-17

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