CH476322A - Appareil photographique - Google Patents

Appareil photographique

Info

Publication number
CH476322A
CH476322A CH410767A CH410767A CH476322A CH 476322 A CH476322 A CH 476322A CH 410767 A CH410767 A CH 410767A CH 410767 A CH410767 A CH 410767A CH 476322 A CH476322 A CH 476322A
Authority
CH
Switzerland
Prior art keywords
camera
Prior art date
Application number
CH410767A
Other languages
English (en)
Inventor
Railton Denner James
Original Assignee
Howson Ltd W H
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 Howson Ltd W H filed Critical Howson Ltd W H
Publication of CH476322A publication Critical patent/CH476322A/fr

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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
CH410767A 1966-03-24 1967-03-22 Appareil photographique CH476322A (fr)

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
CH476322A true CH476322A (fr) 1969-07-31

Family

ID=26249371

Family Applications (1)

Application Number Title Priority Date Filing Date
CH410767A CH476322A (fr) 1966-03-24 1967-03-22 Appareil photographique

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
DE1547251A1 (de) 1969-12-18
US3496368A (en) 1970-02-17
FR1515489A (fr) 1968-03-01
NO123824B (fr) 1972-01-17

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Legal Events

Date Code Title Description
PL Patent ceased