JP7411908B2 - 界面検出センサ - Google Patents

界面検出センサ Download PDF

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Publication number
JP7411908B2
JP7411908B2 JP2020033247A JP2020033247A JP7411908B2 JP 7411908 B2 JP7411908 B2 JP 7411908B2 JP 2020033247 A JP2020033247 A JP 2020033247A JP 2020033247 A JP2020033247 A JP 2020033247A JP 7411908 B2 JP7411908 B2 JP 7411908B2
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JP
Japan
Prior art keywords
light
detection
layer
interface
wavelength
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.)
Active
Application number
JP2020033247A
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English (en)
Japanese (ja)
Other versions
JP2021135232A5 (enExample
JP2021135232A (ja
Inventor
望 鄭
孝泰 松浦
俊貴 佐々木
憲士朗 長坂
友範 大塚
友紀 小宮
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management 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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Priority to JP2020033247A priority Critical patent/JP7411908B2/ja
Priority to PCT/JP2021/000806 priority patent/WO2021171809A1/ja
Publication of JP2021135232A publication Critical patent/JP2021135232A/ja
Publication of JP2021135232A5 publication Critical patent/JP2021135232A5/ja
Application granted granted Critical
Publication of JP7411908B2 publication Critical patent/JP7411908B2/ja
Active legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • G01N33/49—Blood

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Hematology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Electromagnetism (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Urology & Nephrology (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Ecology (AREA)
  • Biophysics (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
JP2020033247A 2020-02-28 2020-02-28 界面検出センサ Active JP7411908B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020033247A JP7411908B2 (ja) 2020-02-28 2020-02-28 界面検出センサ
PCT/JP2021/000806 WO2021171809A1 (ja) 2020-02-28 2021-01-13 界面検出センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020033247A JP7411908B2 (ja) 2020-02-28 2020-02-28 界面検出センサ

Publications (3)

Publication Number Publication Date
JP2021135232A JP2021135232A (ja) 2021-09-13
JP2021135232A5 JP2021135232A5 (enExample) 2023-02-09
JP7411908B2 true JP7411908B2 (ja) 2024-01-12

Family

ID=77490404

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020033247A Active JP7411908B2 (ja) 2020-02-28 2020-02-28 界面検出センサ

Country Status (2)

Country Link
JP (1) JP7411908B2 (enExample)
WO (1) WO2021171809A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7696100B2 (ja) * 2021-03-25 2025-06-20 パナソニックＩｐマネジメント株式会社 界面検出センサ及び界面検出方法
JP2023172471A (ja) * 2022-05-24 2023-12-06 株式会社日立ハイテク 生体試料測定装置
EP4407281A1 (en) * 2023-01-30 2024-07-31 Roche Diagnostics GmbH Apparatus for measuring a filling level of a sample container

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727247A (en) 1985-12-20 1988-02-23 Rosemount Limited Light attenuation sensing apparatus for measuring physical parameters and other variables utilizing a light conducting member containing a fluorescent material
JP2005516212A (ja) 2002-01-30 2005-06-02 ベックマン　コールター　インコーポレイテッド サンプル層面位置検出システム
JP2017211288A (ja) 2016-05-26 2017-11-30 株式会社日立ハイテクノロジーズ 試料液面位置計測装置及び試料液面位置計測方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05249037A (ja) * 1992-11-24 1993-09-28 Asahi Eteitsuku Kk 液種判定装置
JPH09133568A (ja) * 1995-11-08 1997-05-20 Kansai Electric Power Co Inc:The 液面計

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727247A (en) 1985-12-20 1988-02-23 Rosemount Limited Light attenuation sensing apparatus for measuring physical parameters and other variables utilizing a light conducting member containing a fluorescent material
JP2005516212A (ja) 2002-01-30 2005-06-02 ベックマン　コールター　インコーポレイテッド サンプル層面位置検出システム
JP2017211288A (ja) 2016-05-26 2017-11-30 株式会社日立ハイテクノロジーズ 試料液面位置計測装置及び試料液面位置計測方法

Also Published As

Publication number Publication date
WO2021171809A1 (ja) 2021-09-02
JP2021135232A (ja) 2021-09-13

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