CH268562A - Posemètre photo-électrique. - Google Patents

Posemètre photo-électrique.

Info

Publication number
CH268562A
CH268562A CH268562DA CH268562A CH 268562 A CH268562 A CH 268562A CH 268562D A CH268562D A CH 268562DA CH 268562 A CH268562 A CH 268562A
Authority
CH
Switzerland
Prior art keywords
photo
electric light
light meter
meter
electric
Prior art date
Application number
Other languages
English (en)
Inventor
Poirette Paul
Original Assignee
Poirette Paul
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 Poirette Paul filed Critical Poirette Paul
Publication of CH268562A publication Critical patent/CH268562A/fr

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)
CH268562D 1946-11-28 1947-12-18 Posemètre photo-électrique. CH268562A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR268562X 1946-11-28

Publications (1)

Publication Number Publication Date
CH268562A true CH268562A (fr) 1950-05-31

Family

ID=8885733

Family Applications (1)

Application Number Title Priority Date Filing Date
CH268562D CH268562A (fr) 1946-11-28 1947-12-18 Posemètre photo-électrique.

Country Status (1)

Country Link
CH (1) CH268562A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730009A (en) * 1951-03-28 1956-01-10 Marocaine D Achats Et De Const Photo-electric exposure meters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730009A (en) * 1951-03-28 1956-01-10 Marocaine D Achats Et De Const Photo-electric exposure meters

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