JPS56141527A - Detector for equal luminance line - Google Patents

Detector for equal luminance line

Info

Publication number
JPS56141527A
JPS56141527A JP4504080A JP4504080A JPS56141527A JP S56141527 A JPS56141527 A JP S56141527A JP 4504080 A JP4504080 A JP 4504080A JP 4504080 A JP4504080 A JP 4504080A JP S56141527 A JPS56141527 A JP S56141527A
Authority
JP
Japan
Prior art keywords
point
tube
luminance
equal
equal luminance
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
JP4504080A
Other languages
English (en)
Other versions
JPS6129645B2 (ja
Inventor
Haruhisa Shima
Yoshinaga Fukuda
Hiroshi Mizushima
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.)
Hamamatsu TV Co Ltd
Original Assignee
Hamamatsu TV 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 Hamamatsu TV Co Ltd filed Critical Hamamatsu TV Co Ltd
Priority to JP4504080A priority Critical patent/JPS56141527A/ja
Publication of JPS56141527A publication Critical patent/JPS56141527A/ja
Publication of JPS6129645B2 publication Critical patent/JPS6129645B2/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
    • G01J1/38—Photometry, e.g. photographic exposure meter using wholly visual means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP4504080A 1980-04-04 1980-04-04 Detector for equal luminance line Granted JPS56141527A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4504080A JPS56141527A (en) 1980-04-04 1980-04-04 Detector for equal luminance line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4504080A JPS56141527A (en) 1980-04-04 1980-04-04 Detector for equal luminance line

Publications (2)

Publication Number Publication Date
JPS56141527A true JPS56141527A (en) 1981-11-05
JPS6129645B2 JPS6129645B2 (ja) 1986-07-08

Family

ID=12708240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4504080A Granted JPS56141527A (en) 1980-04-04 1980-04-04 Detector for equal luminance line

Country Status (1)

Country Link
JP (1) JPS56141527A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11067288B2 (en) 2017-05-15 2021-07-20 Backer Ehp Inc. Dual coil electric heating element
US11098904B2 (en) 2017-05-15 2021-08-24 Backer Ehp Inc. Dual coil electric heating element
USD955168S1 (en) 2019-07-03 2022-06-21 Backer Ehp Inc. Electric heating element
US11581156B2 (en) 2019-07-03 2023-02-14 Backer Ehp Inc. Dual coil electric heating element

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11067288B2 (en) 2017-05-15 2021-07-20 Backer Ehp Inc. Dual coil electric heating element
US11098904B2 (en) 2017-05-15 2021-08-24 Backer Ehp Inc. Dual coil electric heating element
USD955168S1 (en) 2019-07-03 2022-06-21 Backer Ehp Inc. Electric heating element
US11581156B2 (en) 2019-07-03 2023-02-14 Backer Ehp Inc. Dual coil electric heating element
US11929220B2 (en) 2019-07-03 2024-03-12 Backer Ehp Inc. Dual coil electric heating element

Also Published As

Publication number Publication date
JPS6129645B2 (ja) 1986-07-08

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