FR783838A - Optical photometer - Google Patents

Optical photometer

Info

Publication number
FR783838A
FR783838A FR783838DA FR783838A FR 783838 A FR783838 A FR 783838A FR 783838D A FR783838D A FR 783838DA FR 783838 A FR783838 A FR 783838A
Authority
FR
France
Prior art keywords
optical photometer
photometer
optical
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)
Inventor
Alois Leber
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 FR783838A publication Critical patent/FR783838A/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
    • G01J1/38—Photometry, e.g. photographic exposure meter using wholly visual means
FR783838D 1933-12-09 1934-11-08 Optical photometer Expired FR783838A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT783838X 1933-12-09

Publications (1)

Publication Number Publication Date
FR783838A true FR783838A (en) 1935-07-18

Family

ID=3680894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR783838D Expired FR783838A (en) 1933-12-09 1934-11-08 Optical photometer

Country Status (1)

Country Link
FR (1) FR783838A (en)

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