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DD132905C2 - CIRCUIT ARRANGEMENT FOR EXPOSURE MEASUREMENT AND CONTROL SYSTEMS - Google Patents

CIRCUIT ARRANGEMENT FOR EXPOSURE MEASUREMENT AND CONTROL SYSTEMS

Info

Publication number
DD132905C2
DD132905C2 DD19907677A DD19907677A DD132905C2 DD 132905 C2 DD132905 C2 DD 132905C2 DD 19907677 A DD19907677 A DD 19907677A DD 19907677 A DD19907677 A DD 19907677A DD 132905 C2 DD132905 C2 DD 132905C2
Authority
DD
German Democratic Republic
Prior art keywords
circuit arrangement
control systems
exposure measurement
exposure
measurement
Prior art date
Application number
DD19907677A
Other languages
German (de)
Other versions
DD132905A1 (en
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 filed Critical
Priority to DD19907677A priority Critical patent/DD132905C2/en
Priority to DE19782813627 priority patent/DE2813627A1/en
Priority to JP6116778A priority patent/JPS5417728A/en
Publication of DD132905A1 publication Critical patent/DD132905A1/en
Publication of DD132905C2 publication Critical patent/DD132905C2/en

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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
DD19907677A 1977-05-24 1977-05-24 CIRCUIT ARRANGEMENT FOR EXPOSURE MEASUREMENT AND CONTROL SYSTEMS DD132905C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DD19907677A DD132905C2 (en) 1977-05-24 1977-05-24 CIRCUIT ARRANGEMENT FOR EXPOSURE MEASUREMENT AND CONTROL SYSTEMS
DE19782813627 DE2813627A1 (en) 1977-05-24 1978-03-30 Camera light measuring circuit - uses photocell and operational amplifiers to provide compressed output signal relative to light brightness range
JP6116778A JPS5417728A (en) 1977-05-24 1978-05-24 Circuit unit for exposure measurement and controlling device in photographic camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD19907677A DD132905C2 (en) 1977-05-24 1977-05-24 CIRCUIT ARRANGEMENT FOR EXPOSURE MEASUREMENT AND CONTROL SYSTEMS

Publications (2)

Publication Number Publication Date
DD132905A1 DD132905A1 (en) 1978-11-15
DD132905C2 true DD132905C2 (en) 1979-08-29

Family

ID=5508461

Family Applications (1)

Application Number Title Priority Date Filing Date
DD19907677A DD132905C2 (en) 1977-05-24 1977-05-24 CIRCUIT ARRANGEMENT FOR EXPOSURE MEASUREMENT AND CONTROL SYSTEMS

Country Status (3)

Country Link
JP (1) JPS5417728A (en)
DD (1) DD132905C2 (en)
DE (1) DE2813627A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010128366A (en) 2008-11-28 2010-06-10 Sony Corp Lens barrel and imaging apparatus

Also Published As

Publication number Publication date
JPS5417728A (en) 1979-02-09
DE2813627A1 (en) 1978-11-30
DD132905A1 (en) 1978-11-15

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Legal Events

Date Code Title Description
ENJ Ceased due to non-payment of renewal fee