FR1177906A - Posemètre photo-électrique - Google Patents

Posemètre photo-électrique

Info

Publication number
FR1177906A
FR1177906A FR1177906DA FR1177906A FR 1177906 A FR1177906 A FR 1177906A FR 1177906D A FR1177906D A FR 1177906DA FR 1177906 A FR1177906 A FR 1177906A
Authority
FR
France
Prior art keywords
photo
electric light
light meter
meter
electric
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)
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.)
Agfa Gevaert NV
Original Assignee
Agfa Camera Werk 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 Agfa Camera Werk AG filed Critical Agfa Camera Werk AG
Application granted granted Critical
Publication of FR1177906A publication Critical patent/FR1177906A/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
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • G01J1/4214—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for view-taking apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR1177906D 1956-06-23 1957-06-21 Posemètre photo-électrique Expired FR1177906A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1177906X 1956-06-23

Publications (1)

Publication Number Publication Date
FR1177906A true FR1177906A (fr) 1959-04-30

Family

ID=7729932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1177906D Expired FR1177906A (fr) 1956-06-23 1957-06-21 Posemètre photo-électrique

Country Status (1)

Country Link
FR (1) FR1177906A (fr)

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