JPS5677724A - Photometric circuit - Google Patents

Photometric circuit

Info

Publication number
JPS5677724A
JPS5677724A JP15474279A JP15474279A JPS5677724A JP S5677724 A JPS5677724 A JP S5677724A JP 15474279 A JP15474279 A JP 15474279A JP 15474279 A JP15474279 A JP 15474279A JP S5677724 A JPS5677724 A JP S5677724A
Authority
JP
Japan
Prior art keywords
junction capacity
current
output
charged
potential
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.)
Pending
Application number
JP15474279A
Other languages
English (en)
Inventor
Masaaki Nakai
Masayoshi Sawara
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.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP15474279A priority Critical patent/JPS5677724A/ja
Publication of JPS5677724A publication Critical patent/JPS5677724A/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44Electric circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP15474279A 1979-11-28 1979-11-28 Photometric circuit Pending JPS5677724A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15474279A JPS5677724A (en) 1979-11-28 1979-11-28 Photometric circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15474279A JPS5677724A (en) 1979-11-28 1979-11-28 Photometric circuit

Publications (1)

Publication Number Publication Date
JPS5677724A true JPS5677724A (en) 1981-06-26

Family

ID=15590920

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15474279A Pending JPS5677724A (en) 1979-11-28 1979-11-28 Photometric circuit

Country Status (1)

Country Link
JP (1) JPS5677724A (ja)

Similar Documents

Publication Publication Date Title
JPS5567235A (en) Output circuit
JPS5625290A (en) Semiconductor circuit
JPS5677724A (en) Photometric circuit
GB1483677A (en) On-hook and off-hook detector for telephone switching systems
JPS5783926A (en) Digital to analog converter
US4045142A (en) Metering device for cameras
JPS5623025A (en) Circuit device
JPS53116065A (en) A/d converting circuit
JPS5667480A (en) Integrating circuit
JPS5616320A (en) Reference voltage supplying circuit
JPS54113051A (en) Integrating circuit of time-limit relay
JPS5546482A (en) Capacitor type x-ray equipment
JPS647777A (en) Solid-state image pickup device
JPS5499517A (en) Automatic switch circuit of lens iris
JPS54111721A (en) Automatic clear circuit
SU1656675A2 (ru) Амплитудный детектор
JPS54136873A (en) Solar battery watch
JPS5476229A (en) Photometry circuit
JPS55166635A (en) Voltage detecting device of camera
JPS54100627A (en) Status holding circuit
JPS57192159A (en) Resetting system for push button telephone set circuit
JPS5718131A (en) Phase synchronizing loop circuit
JPS5728269A (en) Circuit for checking battery capacity
JPS5616315A (en) Resetting circuit of digital device
JPS56129422A (en) Oscillation circuit