FR899701A - Sensitometric test method for photographic substances - Google Patents

Sensitometric test method for photographic substances

Info

Publication number
FR899701A
FR899701A FR899701DA FR899701A FR 899701 A FR899701 A FR 899701A FR 899701D A FR899701D A FR 899701DA FR 899701 A FR899701 A FR 899701A
Authority
FR
France
Prior art keywords
test method
photographic
substances
sensitometric test
sensitometric
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR899701A publication Critical patent/FR899701A/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)
FR899701D 1939-12-14 1943-11-11 Sensitometric test method for photographic substances Expired FR899701A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE899701X 1939-12-14

Publications (1)

Publication Number Publication Date
FR899701A true FR899701A (en) 1945-06-08

Family

ID=6849637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR899701D Expired FR899701A (en) 1939-12-14 1943-11-11 Sensitometric test method for photographic substances

Country Status (1)

Country Link
FR (1) FR899701A (en)

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