JPS5360681A - Photoelecric density detector - Google Patents

Photoelecric density detector

Info

Publication number
JPS5360681A
JPS5360681A JP13532376A JP13532376A JPS5360681A JP S5360681 A JPS5360681 A JP S5360681A JP 13532376 A JP13532376 A JP 13532376A JP 13532376 A JP13532376 A JP 13532376A JP S5360681 A JPS5360681 A JP S5360681A
Authority
JP
Japan
Prior art keywords
photoelecric
density detector
density
detector
avalnche
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
JP13532376A
Other languages
Japanese (ja)
Other versions
JPS5922886B2 (en
Inventor
Yasuo Minae
Minoru Maeda
Ichiro Ikushima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP51135323A priority Critical patent/JPS5922886B2/en
Publication of JPS5360681A publication Critical patent/JPS5360681A/en
Publication of JPS5922886B2 publication Critical patent/JPS5922886B2/en
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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Light Receiving Elements (AREA)

Abstract

PURPOSE:To measure the photoelectric power density with one trial by using an avalnche photodiode.
JP51135323A 1976-11-12 1976-11-12 optical power density detector Expired JPS5922886B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51135323A JPS5922886B2 (en) 1976-11-12 1976-11-12 optical power density detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51135323A JPS5922886B2 (en) 1976-11-12 1976-11-12 optical power density detector

Publications (2)

Publication Number Publication Date
JPS5360681A true JPS5360681A (en) 1978-05-31
JPS5922886B2 JPS5922886B2 (en) 1984-05-29

Family

ID=15149061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51135323A Expired JPS5922886B2 (en) 1976-11-12 1976-11-12 optical power density detector

Country Status (1)

Country Link
JP (1) JPS5922886B2 (en)

Also Published As

Publication number Publication date
JPS5922886B2 (en) 1984-05-29

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