FR787433A - Device for determining the printing properties of a negative - Google Patents

Device for determining the printing properties of a negative

Info

Publication number
FR787433A
FR787433A FR787433DA FR787433A FR 787433 A FR787433 A FR 787433A FR 787433D A FR787433D A FR 787433DA FR 787433 A FR787433 A FR 787433A
Authority
FR
France
Prior art keywords
negative
determining
printing properties
printing
properties
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR787433A publication Critical patent/FR787433A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR787433D 1934-03-17 1935-03-15 Device for determining the printing properties of a negative Expired FR787433A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE787433X 1934-03-17

Publications (1)

Publication Number Publication Date
FR787433A true FR787433A (en) 1935-09-23

Family

ID=6699249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR787433D Expired FR787433A (en) 1934-03-17 1935-03-15 Device for determining the printing properties of a negative

Country Status (1)

Country Link
FR (1) FR787433A (en)

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