JPS5479029A - Exposure controller of cameras - Google Patents

Exposure controller of cameras

Info

Publication number
JPS5479029A
JPS5479029A JP14692777A JP14692777A JPS5479029A JP S5479029 A JPS5479029 A JP S5479029A JP 14692777 A JP14692777 A JP 14692777A JP 14692777 A JP14692777 A JP 14692777A JP S5479029 A JPS5479029 A JP S5479029A
Authority
JP
Japan
Prior art keywords
amplifier
current
owing
capacities
photometric circuit
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.)
Granted
Application number
JP14692777A
Other languages
English (en)
Other versions
JPS6134608B2 (ja
Inventor
Tokuichi Tsunekawa
Tetsuya Taguchi
Fumio Ito
Isao Harigaya
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP14692777A priority Critical patent/JPS5479029A/ja
Publication of JPS5479029A publication Critical patent/JPS5479029A/ja
Publication of JPS6134608B2 publication Critical patent/JPS6134608B2/ja
Granted 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
    • G01J1/44—Electric circuits

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)
JP14692777A 1977-12-06 1977-12-06 Exposure controller of cameras Granted JPS5479029A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14692777A JPS5479029A (en) 1977-12-06 1977-12-06 Exposure controller of cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14692777A JPS5479029A (en) 1977-12-06 1977-12-06 Exposure controller of cameras

Publications (2)

Publication Number Publication Date
JPS5479029A true JPS5479029A (en) 1979-06-23
JPS6134608B2 JPS6134608B2 (ja) 1986-08-08

Family

ID=15418711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14692777A Granted JPS5479029A (en) 1977-12-06 1977-12-06 Exposure controller of cameras

Country Status (1)

Country Link
JP (1) JPS5479029A (ja)

Also Published As

Publication number Publication date
JPS6134608B2 (ja) 1986-08-08

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