DE1547251A1 - Lichtempfindliche Sonde fuer photographische Verfahren - Google Patents

Lichtempfindliche Sonde fuer photographische Verfahren

Info

Publication number
DE1547251A1
DE1547251A1 DE19671547251 DE1547251A DE1547251A1 DE 1547251 A1 DE1547251 A1 DE 1547251A1 DE 19671547251 DE19671547251 DE 19671547251 DE 1547251 A DE1547251 A DE 1547251A DE 1547251 A1 DE1547251 A1 DE 1547251A1
Authority
DE
Germany
Prior art keywords
light
cell
probe
light source
photographic device
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.)
Pending
Application number
DE19671547251
Other languages
German (de)
English (en)
Inventor
Denner James Railton
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.)
WH Howson Ltd
Original Assignee
WH Howson 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 GB29463/66A external-priority patent/GB1189661A/en
Application filed by WH Howson Ltd filed Critical WH Howson Ltd
Publication of DE1547251A1 publication Critical patent/DE1547251A1/de
Pending 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE19671547251 1966-03-24 1967-03-23 Lichtempfindliche Sonde fuer photographische Verfahren Pending DE1547251A1 (de)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
DE1547251A1 true DE1547251A1 (de) 1969-12-18

Family

ID=26249371

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671547251 Pending DE1547251A1 (de) 1966-03-24 1967-03-23 Lichtempfindliche Sonde fuer photographische Verfahren

Country Status (5)

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

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
NO123824B (enExample) 1972-01-17
CH476322A (fr) 1969-07-31
US3496368A (en) 1970-02-17
FR1515489A (fr) 1968-03-01

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