JPS57141522A - Photometric circuit of camera - Google Patents

Photometric circuit of camera

Info

Publication number
JPS57141522A
JPS57141522A JP2618181A JP2618181A JPS57141522A JP S57141522 A JPS57141522 A JP S57141522A JP 2618181 A JP2618181 A JP 2618181A JP 2618181 A JP2618181 A JP 2618181A JP S57141522 A JPS57141522 A JP S57141522A
Authority
JP
Japan
Prior art keywords
voltage
photodetector
resistance
amplifying circuit
cds
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
JP2618181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6158766B2 (enrdf_load_stackoverflow
Inventor
Koji Matsushima
Kazuo Shiozawa
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta 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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP2618181A priority Critical patent/JPS57141522A/ja
Publication of JPS57141522A publication Critical patent/JPS57141522A/ja
Publication of JPS6158766B2 publication Critical patent/JPS6158766B2/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)
JP2618181A 1981-02-26 1981-02-26 Photometric circuit of camera Granted JPS57141522A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2618181A JPS57141522A (en) 1981-02-26 1981-02-26 Photometric circuit of camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2618181A JPS57141522A (en) 1981-02-26 1981-02-26 Photometric circuit of camera

Publications (2)

Publication Number Publication Date
JPS57141522A true JPS57141522A (en) 1982-09-01
JPS6158766B2 JPS6158766B2 (enrdf_load_stackoverflow) 1986-12-13

Family

ID=12186345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2618181A Granted JPS57141522A (en) 1981-02-26 1981-02-26 Photometric circuit of camera

Country Status (1)

Country Link
JP (1) JPS57141522A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6158766B2 (enrdf_load_stackoverflow) 1986-12-13

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