FR1361097A - Luminance analyzer-counter for photography - Google Patents

Luminance analyzer-counter for photography

Info

Publication number
FR1361097A
FR1361097A FR939172A FR939172A FR1361097A FR 1361097 A FR1361097 A FR 1361097A FR 939172 A FR939172 A FR 939172A FR 939172 A FR939172 A FR 939172A FR 1361097 A FR1361097 A FR 1361097A
Authority
FR
France
Prior art keywords
photography
counter
luminance analyzer
luminance
analyzer
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
FR939172A
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.)
Gamma Scientific Inc
Original Assignee
Gamma Scientific Inc
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 Gamma Scientific Inc filed Critical Gamma Scientific Inc
Priority to FR939172A priority Critical patent/FR1361097A/en
Application granted granted Critical
Publication of FR1361097A publication Critical patent/FR1361097A/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
FR939172A 1963-06-24 1963-06-24 Luminance analyzer-counter for photography Expired FR1361097A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR939172A FR1361097A (en) 1963-06-24 1963-06-24 Luminance analyzer-counter for photography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR939172A FR1361097A (en) 1963-06-24 1963-06-24 Luminance analyzer-counter for photography

Publications (1)

Publication Number Publication Date
FR1361097A true FR1361097A (en) 1964-05-15

Family

ID=8806800

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939172A Expired FR1361097A (en) 1963-06-24 1963-06-24 Luminance analyzer-counter for photography

Country Status (1)

Country Link
FR (1) FR1361097A (en)

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