FR56991E - Sensitomètre à lecture directe - Google Patents

Sensitomètre à lecture directe

Info

Publication number
FR56991E
FR56991E FR56991DA FR56991E FR 56991 E FR56991 E FR 56991E FR 56991D A FR56991D A FR 56991DA FR 56991 E FR56991 E FR 56991E
Authority
FR
France
Prior art keywords
sensitometer
direct reading
reading
direct
reading sensitometer
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
English (en)
Inventor
Albert Borderes
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 filed Critical
Application granted granted Critical
Publication of FR56991E publication Critical patent/FR56991E/fr
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)
FR56991D 1947-04-30 1947-04-30 Sensitomètre à lecture directe Expired FR56991E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR56991T 1947-04-30

Publications (1)

Publication Number Publication Date
FR56991E true FR56991E (fr) 1952-10-10

Family

ID=8691107

Family Applications (1)

Application Number Title Priority Date Filing Date
FR56991D Expired FR56991E (fr) 1947-04-30 1947-04-30 Sensitomètre à lecture directe

Country Status (1)

Country Link
FR (1) FR56991E (fr)

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