FR2256400B3 - - Google Patents

Info

Publication number
FR2256400B3
FR2256400B3 FR7442868A FR7442868A FR2256400B3 FR 2256400 B3 FR2256400 B3 FR 2256400B3 FR 7442868 A FR7442868 A FR 7442868A FR 7442868 A FR7442868 A FR 7442868A FR 2256400 B3 FR2256400 B3 FR 2256400B3
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
FR7442868A
Other versions
FR2256400A1 (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.)
Elektromat VEB
Original Assignee
Elektromat VEB
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 Elektromat VEB filed Critical Elektromat VEB
Publication of FR2256400A1 publication Critical patent/FR2256400A1/fr
Application granted granted Critical
Publication of FR2256400B3 publication Critical patent/FR2256400B3/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
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/18—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors using comparison with a reference electric value
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR7442868A 1973-12-27 1974-12-26 Expired FR2256400B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD17563373A DD109744A1 (fr) 1973-12-27 1973-12-27

Publications (2)

Publication Number Publication Date
FR2256400A1 FR2256400A1 (fr) 1975-07-25
FR2256400B3 true FR2256400B3 (fr) 1977-09-23

Family

ID=5494069

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7442868A Expired FR2256400B3 (fr) 1973-12-27 1974-12-26

Country Status (6)

Country Link
CS (1) CS183029B1 (fr)
DD (1) DD109744A1 (fr)
DE (1) DE2453951A1 (fr)
FR (1) FR2256400B3 (fr)
GB (1) GB1470866A (fr)
SU (1) SU567099A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136135B (en) * 1983-03-11 1987-06-03 Johnson Matthey Plc Calibration warning apparatus
FI119893B (fi) * 2007-03-16 2009-04-30 Risto Hedman Elektronisen anturin diagnosointi

Also Published As

Publication number Publication date
GB1470866A (en) 1977-04-21
DD109744A1 (fr) 1974-11-12
CS183029B1 (en) 1978-05-31
DE2453951A1 (de) 1975-07-10
SU567099A1 (ru) 1977-07-30
FR2256400A1 (fr) 1975-07-25

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