FR939604A - Improvements to sensitometers for photographic equipment - Google Patents

Improvements to sensitometers for photographic equipment

Info

Publication number
FR939604A
FR939604A FR939604DA FR939604A FR 939604 A FR939604 A FR 939604A FR 939604D A FR939604D A FR 939604DA FR 939604 A FR939604 A FR 939604A
Authority
FR
France
Prior art keywords
sensitometers
photographic equipment
photographic
equipment
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
Other languages
French (fr)
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.)
GAF Chemicals Corp
Original Assignee
General Aniline and Film Corp
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 by General Aniline and Film Corp filed Critical General Aniline and Film Corp
Application granted granted Critical
Publication of FR939604A publication Critical patent/FR939604A/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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR939604D 1946-01-08 1947-01-08 Improvements to sensitometers for photographic equipment Expired FR939604A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US939604XA 1946-01-08 1946-01-08

Publications (1)

Publication Number Publication Date
FR939604A true FR939604A (en) 1948-11-19

Family

ID=22241932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939604D Expired FR939604A (en) 1946-01-08 1947-01-08 Improvements to sensitometers for photographic equipment

Country Status (1)

Country Link
FR (1) FR939604A (en)

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