FR887002A - - Google Patents

Info

Publication number
FR887002A
FR887002A FR887002DA FR887002A FR 887002 A FR887002 A FR 887002A FR 887002D A FR887002D A FR 887002DA FR 887002 A FR887002 A FR 887002A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR887002A publication Critical patent/FR887002A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR887002D Expired FR887002A (en)

Publications (1)

Publication Number Publication Date
FR887002A true FR887002A (en) 1943-11-02

Family

ID=1556444

Family Applications (1)

Application Number Title Priority Date Filing Date
FR887002D Expired FR887002A (en)

Country Status (1)

Country Link
FR (1) FR887002A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757323A (en) * 1971-01-12 1973-09-04 Interelectronics Corp D-c monitoring system using two-wire transmission lines
FR2603390A1 (en) * 1986-08-26 1988-03-04 Bron Elektronik Ag POSEMETER FOR PHOTOGRAPHIC LIGHTING APPARATUS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757323A (en) * 1971-01-12 1973-09-04 Interelectronics Corp D-c monitoring system using two-wire transmission lines
FR2603390A1 (en) * 1986-08-26 1988-03-04 Bron Elektronik Ag POSEMETER FOR PHOTOGRAPHIC LIGHTING APPARATUS

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