JPS51114976A - Observation-window contamination detector - Google Patents

Observation-window contamination detector

Info

Publication number
JPS51114976A
JPS51114976A JP50040493A JP4049375A JPS51114976A JP S51114976 A JPS51114976 A JP S51114976A JP 50040493 A JP50040493 A JP 50040493A JP 4049375 A JP4049375 A JP 4049375A JP S51114976 A JPS51114976 A JP S51114976A
Authority
JP
Japan
Prior art keywords
observation
contamination detector
window contamination
window
detector
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
JP50040493A
Other languages
Japanese (ja)
Inventor
Naotake Okubo
Nobu Nakamura
Eizo Okazaki
Yasuhiro Sawada
Takashi Ito
Hisayuki Shinomiya
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.)
Jeol Ltd
Nippon Steel Corp
NTT Inc
Original Assignee
Jeol Ltd
Nihon Denshi KK
Nippon Steel Corp
Nippon Telegraph and Telephone Corp
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 Jeol Ltd, Nihon Denshi KK, Nippon Steel Corp, Nippon Telegraph and Telephone Corp filed Critical Jeol Ltd
Priority to JP50040493A priority Critical patent/JPS51114976A/en
Publication of JPS51114976A publication Critical patent/JPS51114976A/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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/04—Casings
    • G01J5/041—Mountings in enclosures or in a particular environment
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/05—Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/05—Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path
    • G01J5/051—Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path using a gas purge
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0803—Arrangements for time-dependent attenuation of radiation signals
    • G01J5/0804—Shutters
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/52—Radiation pyrometry, e.g. infrared or optical thermometry using comparison with reference sources, e.g. disappearing-filament pyrometer
    • G01J5/53—Reference sources, e.g. standard lamps; Black bodies
    • G01J5/532—Reference sources, e.g. standard lamps; Black bodies using a reference heater of the emissive surface type, e.g. for selectively absorbing materials
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J2005/0077—Imaging

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radiation Pyrometers (AREA)

Abstract

PURPOSE:A contamination detector for observation windows for photographing objects through the observation windows utilizing infrared photography.
JP50040493A 1975-04-02 1975-04-02 Observation-window contamination detector Pending JPS51114976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50040493A JPS51114976A (en) 1975-04-02 1975-04-02 Observation-window contamination detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50040493A JPS51114976A (en) 1975-04-02 1975-04-02 Observation-window contamination detector

Publications (1)

Publication Number Publication Date
JPS51114976A true JPS51114976A (en) 1976-10-09

Family

ID=12582088

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50040493A Pending JPS51114976A (en) 1975-04-02 1975-04-02 Observation-window contamination detector

Country Status (1)

Country Link
JP (1) JPS51114976A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5983020A (en) * 1982-11-04 1984-05-14 Chino Works Ltd Temperature measuring device
US9580665B2 (en) 2011-05-18 2017-02-28 Bioendev Ab Countercurrent oxygen enhanced torrefaction
US9926507B2 (en) 2011-05-18 2018-03-27 Bioendev Ab Method for monitoring and control of torrefaction temperature
JP2025524839A (en) * 2022-07-18 2025-08-01 シーメンス・ヘルスケア・ダイアグノスティックス・インコーポレイテッド Analyzer with transparent shield for protecting the imaging system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931380A (en) * 1972-07-14 1974-03-20
JPS527357A (en) * 1975-07-09 1977-01-20 Hitachi Ltd Louver for hot strip finishing in rolling mill

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931380A (en) * 1972-07-14 1974-03-20
JPS527357A (en) * 1975-07-09 1977-01-20 Hitachi Ltd Louver for hot strip finishing in rolling mill

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5983020A (en) * 1982-11-04 1984-05-14 Chino Works Ltd Temperature measuring device
US9580665B2 (en) 2011-05-18 2017-02-28 Bioendev Ab Countercurrent oxygen enhanced torrefaction
US9926507B2 (en) 2011-05-18 2018-03-27 Bioendev Ab Method for monitoring and control of torrefaction temperature
JP2025524839A (en) * 2022-07-18 2025-08-01 シーメンス・ヘルスケア・ダイアグノスティックス・インコーポレイテッド Analyzer with transparent shield for protecting the imaging system

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