FR16612E - Photomètre - Google Patents

Photomètre

Info

Publication number
FR16612E
FR16612E FR16612DA FR16612E FR 16612 E FR16612 E FR 16612E FR 16612D A FR16612D A FR 16612DA FR 16612 E FR16612 E FR 16612E
Authority
FR
France
Prior art keywords
photometer
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
Jules Mace
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR16612E publication Critical patent/FR16612E/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
    • G01J1/48—Photometry, e.g. photographic exposure meter using chemical effects
    • G01J1/50—Photometry, e.g. photographic exposure meter using chemical effects using change in colour of an indicator, e.g. actinometer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR16612D 1912-04-17 1912-10-16 Photomètre Expired FR16612E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR442623T 1912-04-17
FR16612T 1912-10-16

Publications (1)

Publication Number Publication Date
FR16612E true FR16612E (fr) 1913-03-18

Family

ID=1358209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR16612D Expired FR16612E (fr) 1912-04-17 1912-10-16 Photomètre

Country Status (1)

Country Link
FR (1) FR16612E (fr)

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