JPS52138983A - Illumination measuring device by photogelectron element - Google Patents

Illumination measuring device by photogelectron element

Info

Publication number
JPS52138983A
JPS52138983A JP5539076A JP5539076A JPS52138983A JP S52138983 A JPS52138983 A JP S52138983A JP 5539076 A JP5539076 A JP 5539076A JP 5539076 A JP5539076 A JP 5539076A JP S52138983 A JPS52138983 A JP S52138983A
Authority
JP
Japan
Prior art keywords
photogelectron
measuring device
illumination measuring
illumination
brilliance
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
JP5539076A
Other languages
Japanese (ja)
Inventor
Mitsuyoshi Koizumi
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 JP5539076A priority Critical patent/JPS52138983A/en
Publication of JPS52138983A publication Critical patent/JPS52138983A/en
Pending 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)

Abstract

PURPOSE:To measure a steady brilliance of TV camera by controlling and calibrating an amplification of photometer using a monochromatic light adjusted in fixed illumination range.
JP5539076A 1976-05-17 1976-05-17 Illumination measuring device by photogelectron element Pending JPS52138983A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5539076A JPS52138983A (en) 1976-05-17 1976-05-17 Illumination measuring device by photogelectron element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5539076A JPS52138983A (en) 1976-05-17 1976-05-17 Illumination measuring device by photogelectron element

Publications (1)

Publication Number Publication Date
JPS52138983A true JPS52138983A (en) 1977-11-19

Family

ID=12997175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5539076A Pending JPS52138983A (en) 1976-05-17 1976-05-17 Illumination measuring device by photogelectron element

Country Status (1)

Country Link
JP (1) JPS52138983A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58178229A (en) * 1982-04-12 1983-10-19 Chino Works Ltd Optical measuring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58178229A (en) * 1982-04-12 1983-10-19 Chino Works Ltd Optical measuring device

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