JP7256625B2 - 粒子センサのダイナミック・レンジを広げるための装置および方法 - Google Patents
粒子センサのダイナミック・レンジを広げるための装置および方法 Download PDFInfo
- Publication number
- JP7256625B2 JP7256625B2 JP2018188048A JP2018188048A JP7256625B2 JP 7256625 B2 JP7256625 B2 JP 7256625B2 JP 2018188048 A JP2018188048 A JP 2018188048A JP 2018188048 A JP2018188048 A JP 2018188048A JP 7256625 B2 JP7256625 B2 JP 7256625B2
- Authority
- JP
- Japan
- Prior art keywords
- receiver
- transmitter
- interrogation
- view
- detecting
- 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
Links
- 239000002245 particle Substances 0.000 title claims description 148
- 238000000034 method Methods 0.000 title claims description 20
- 238000001514 detection method Methods 0.000 claims description 46
- 230000010287 polarization Effects 0.000 claims description 19
- 230000035945 sensitivity Effects 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 description 19
- 230000003321 amplification Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 18
- 238000003199 nucleic acid amplification method Methods 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000005693 optoelectronics Effects 0.000 description 4
- 238000012512 characterization method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Images
Classifications
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/94—Investigating contamination, e.g. dust
-
- 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
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0462—Slit arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
- G01N15/0211—Investigating a scatter or diffraction pattern
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N15/1456—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
-
- 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
- G01N21/47—Scattering, i.e. diffuse reflection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/075—Investigating concentration of particle suspensions by optical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N15/1434—Optical arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N2015/0294—Particle shape
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N15/1434—Optical arrangements
- G01N2015/1447—Spatial selection
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/94—Investigating contamination, e.g. dust
- G01N2021/945—Liquid or solid deposits of macroscopic size on surfaces, e.g. drops, films, or clustered contaminants
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Geophysics And Detection Of Objects (AREA)
Description
[0002] 超冷却水液滴は、例えば、航空機の翼と接触するときに、氷を形成する。翼の着氷は、航空機の惨事を引き起こしたことがある。多くの近年の航空機は、着氷防止面を含み、50ミクロン以下の超冷却水液滴から発生する着氷の条件において飛行する。
参照符号は、図面および本文を通じて、同様の要素を示す。
実施形態例
[0078] 例1は、 粒子検出システムを含む。この粒子検出システムは、少なくとも1つの送信器と、少なくとも1つの受信器と、送信器の送信器ビームおよび受信器の受信器視野の第1対の第1交差によって形成された第1呼び掛け空間域と、送信器の送信器ビームおよび受信器の受信器視野の第2対の第2交差によって形成された第2呼び掛け空間域とを含む。
[0087] 例10は、例1~9の粒子検出システムを含み、受信器が、第1スリットと、第2スリットと、(a)第1受信器視野を通る光を集光しそれを第1スリット上に合焦し、(b)第2受信器視野を通る光を集光しそれを第2スリット上に合焦する集光光学系と、第1スリットからの光を受ける第1光検出システムと、第2スリットからの光を受ける第2光検出システムとを含み、第1対の送信器ビームおよび第2対の送信器ビームが同じ送信器ビームであり、第1対の受信器視野が第1受信器視野であり、第2対の受信器視野が第2受信器視野である。
[0095] 例18は、方法であり、この方法は、第1検出ダイナミック・レンジを使用して、呼び掛け空間域において第1粒子サイズの第1粒子の存在を検出するステップと、第2検出ダイナミック・レンジを使用して、前述の呼び掛け空間域において第2粒子サイズの第2粒子の存在を検出するステップとを含む。
Claims (3)
- 方法であって、
送信器の送信器ビームと受信器の受信器視野との第1対の第1交差によって第1呼び掛け空間域を形成するステップと、
送信器の送信器ビームと受信器の受信器視野との第2対の第2交差によって第2呼び掛け空間域を形成するステップと、
散乱光の強度および前記散乱光の相対偏光を検出することによって、前記第1呼び掛け空間域において第1粒子サイズおよび形状の第1粒子の存在を検出するステップと、
散乱光の強度および前記散乱光の相対偏光を検出することによって、前記第2呼び掛け空間域において第2粒子サイズおよび形状の第2粒子の存在を検出するステップと、
を含み、
前記第1および第2呼び掛け空間域は、前記送信器の強度または前記受信器の感度のいずれかが互いに異なり、
前記第1および第2呼び掛け空間域は、同じ空気流の中に位置している、
方法。 - 方法であって、
第1利得ステージの第1検出ダイナミック・レンジを使用して、散乱光の強度および前記散乱光の相対偏光を検出することによって、呼び掛け空間域において第1粒子サイズおよび形状の第1粒子の存在を検出するステップと、
第2利得ステージの第2検出ダイナミック・レンジを使用して、散乱光の強度および前記散乱光の相対偏光を検出することによって、前記呼び掛け空間域において第2粒子サイズおよび形状の第2粒子の存在を検出するステップと、
を含む、方法。 - 粒子検出システムであって、
少なくとも1つの送信器と、
少なくとも1つの受信器と、
送信器の送信器ビームと受信器の受信器視野との第1対の第1交差によって形成された第1呼び掛け空間域と、
送信器の送信器ビームと受信器の受信器視野との第2対の第2交差によって形成された第2呼び掛け空間域と、
を備え、
前記第1および第2呼び掛け空間域は、前記送信器の強度または前記受信器の感度のいずれかが互いに異なり、
前記第1および第2呼び掛け空間域は、同じ空気流の中に位置しており、
前記少なくとも1つの受信器は、
散乱光の強度および前記散乱光の相対偏光を検出することによって、前記第1呼び掛け空間域において第1粒子サイズおよび形状の第1粒子を検出し、
散乱光の強度および前記散乱光の相対偏光を検出することによって、前記第2呼び掛け空間域において第2粒子サイズおよび形状の第2粒子を検出する
ように構成される、
粒子検出システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/725,687 US10591422B2 (en) | 2017-10-05 | 2017-10-05 | Apparatus and method for increasing dynamic range of a particle sensor |
US15/725,687 | 2017-10-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019090787A JP2019090787A (ja) | 2019-06-13 |
JP7256625B2 true JP7256625B2 (ja) | 2023-04-12 |
Family
ID=63762326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018188048A Active JP7256625B2 (ja) | 2017-10-05 | 2018-10-03 | 粒子センサのダイナミック・レンジを広げるための装置および方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10591422B2 (ja) |
EP (1) | EP3477277A3 (ja) |
JP (1) | JP7256625B2 (ja) |
IL (1) | IL260362B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7308823B2 (ja) * | 2018-06-01 | 2023-07-14 | 株式会社堀場製作所 | 粒子径分布測定装置及び粒子径分布測定装置用プログラム |
US10656084B2 (en) * | 2018-06-14 | 2020-05-19 | Rosemount Aerospace Inc. | System and method for measuring cloud parameters |
US11630216B2 (en) | 2019-08-23 | 2023-04-18 | Rosemount Aerospace Inc. | Characterization of a cloud atmosphere using light backscattered at two angles |
US11959847B2 (en) * | 2019-09-12 | 2024-04-16 | Cytonome/St, Llc | Systems and methods for extended dynamic range detection of light |
FR3102559B1 (fr) * | 2019-10-25 | 2024-04-19 | Commissariat Energie Atomique | détecteur multi-particules |
US11912419B2 (en) * | 2022-01-21 | 2024-02-27 | Honeywell International Inc. | Ice protection modulation with atmospheric conditions |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007327889A (ja) | 2006-06-08 | 2007-12-20 | Koito Ind Ltd | 火山灰検知装置および気象状態判定装置 |
US20100288921A1 (en) | 2007-08-08 | 2010-11-18 | Xiaoliang Wang | Size segregated aerosol mass concentration measurement with inlet conditioners and multiple detectors |
WO2017162677A1 (en) | 2016-03-21 | 2017-09-28 | Koninklijke Philips N.V. | Laser sensor for ultra-fine particle size detection |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4934811A (en) * | 1988-04-01 | 1990-06-19 | Syntex (U.S.A.) Inc. | Apparatus and method for detection of fluorescence or light scatter |
DE68924749T2 (de) | 1988-09-15 | 1996-07-04 | The Board Of Trustees Of The University Of Arkansas, Little Rock, Ark. | Kennzeichnung von Teilchen durch modulierte dynamische Lichtstreuung. |
US4953978A (en) * | 1989-03-03 | 1990-09-04 | Coulter Electronics Of New England, Inc. | Particle size analysis utilizing polarization intensity differential scattering |
US5110204A (en) * | 1990-11-06 | 1992-05-05 | Trustees Of Princeton University | Velocity measurement by the vibrational tagging of diatomic molecules |
US6560349B1 (en) * | 1994-10-21 | 2003-05-06 | Digimarc Corporation | Audio monitoring using steganographic information |
US5528045A (en) * | 1995-04-06 | 1996-06-18 | Becton Dickinson And Company | Particle analyzer with spatially split wavelength filter |
US5835211A (en) * | 1996-03-28 | 1998-11-10 | Particle Sizing Systems, Inc. | Single-particle optical sensor with improved sensitivity and dynamic size range |
FR2807522B1 (fr) | 2000-04-07 | 2002-06-14 | Aerospatiale Matra Airbus | Dispositif pour determiner les valeurs d'au moins un parametre de particules, notamment de gouttelettes d'eau |
US6831279B2 (en) * | 2001-11-27 | 2004-12-14 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence | Laser diode-excited biological particle detection system |
DE10202999B4 (de) | 2002-01-26 | 2004-04-15 | Palas Gmbh Partikel- Und Lasermesstechnik | Verfahren und Vorrichtung zum Messen der Größenverteilung und Konzentration von Partikeln in einem Fluid |
GB0223512D0 (en) * | 2002-10-10 | 2002-11-13 | Qinetiq Ltd | Bistatic laser radar apparatus |
US6859276B2 (en) * | 2003-01-24 | 2005-02-22 | Coulter International Corp. | Extracted polarization intensity differential scattering for particle characterization |
CA2524345C (en) * | 2003-04-29 | 2014-04-08 | S3I, Llc | A multi-spectral optical method and system for detecting and classifying biological and non-biological particles |
US20090088982A1 (en) * | 2003-07-31 | 2009-04-02 | Fukushima Noelle H | Co-detection of single polypeptide and polynucleotide molecules |
US20080021674A1 (en) * | 2003-09-30 | 2008-01-24 | Robert Puskas | Methods for Enhancing the Analysis of Particle Detection |
US20070242269A1 (en) | 2004-03-06 | 2007-10-18 | Michael Trainer | Methods and apparatus for determining characteristics of particles |
US8634072B2 (en) | 2004-03-06 | 2014-01-21 | Michael Trainer | Methods and apparatus for determining characteristics of particles |
US9493769B2 (en) * | 2004-06-02 | 2016-11-15 | Universite D'aix-Marseille | Yeast-based assay for measuring the functional activity of an HIV-1 protease in response to an antiviral agent |
JP2008514955A (ja) | 2004-09-28 | 2008-05-08 | シンギュレックス・インコーポレイテッド | サンプル分析システムおよび方法 |
US7339670B2 (en) | 2005-07-29 | 2008-03-04 | Lockheed Martin Coherent Technologies, Inc. | Wavelength normalized depolarization ratio lidar |
JP4931502B2 (ja) | 2006-07-13 | 2012-05-16 | 株式会社日立ハイテクノロジーズ | 表面検査方法及び検査装置 |
DE102007013321A1 (de) | 2007-03-20 | 2008-09-25 | Jenoptik Laser, Optik, Systeme Gmbh | Vorrichtung und Verfahren zur Bestimmung von Partikelgröße und/oder Partikelform eines Partikelgemisches |
US7932490B2 (en) * | 2007-08-07 | 2011-04-26 | Tsi, Inc. | Size segregated aerosol mass concentration measurement device |
US8804119B2 (en) | 2008-06-10 | 2014-08-12 | Xtralis Technologies Ltd | Particle detection |
DE102008038216A1 (de) * | 2008-08-18 | 2010-03-11 | Carl Zeiss Nts Gmbh | Verfahren zum Erzeugen von Korpuskularstrahlbildern mit einem Korpuskularstrahlgerät |
US7932495B2 (en) * | 2008-09-02 | 2011-04-26 | ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | Fast wafer inspection system |
WO2010080643A1 (en) | 2008-12-18 | 2010-07-15 | Biovigilant Systems, Inc. | Integrated microbial collector |
DE102009014080B4 (de) * | 2009-03-23 | 2011-12-15 | Baumer Innotec Ag | Vorrichtung zum Bestimmen von Partikelgrössen |
CN102612652B (zh) * | 2009-08-06 | 2016-05-04 | 康奈尔大学 | 用于分子分析的设备和方法 |
US20130342684A1 (en) | 2011-01-19 | 2013-12-26 | Teknologian Tutkimuskeskus Vtt | Method and System for Determining Particle Size Information |
US9222873B2 (en) | 2013-05-02 | 2015-12-29 | Droplet Measurement Technologies, Inc. | Optical particle detector |
DE102014017552A1 (de) | 2014-10-15 | 2016-04-21 | Retsch Technology Gmbh | Vorrichtung und Verfahren zur Bestimmung der Partikelgröße und/oder der Partikelform von Partikeln in einem Partikelstrom |
WO2017060105A1 (en) | 2015-10-08 | 2017-04-13 | Koninklijke Philips N.V. | Particle sensor for particle detection |
US9851291B2 (en) * | 2016-05-02 | 2017-12-26 | Hamilton Associates, Inc. | Realtime optical method and system for detecting and classifying biological and non-biological particles |
ES2951466T3 (es) * | 2016-09-13 | 2023-10-23 | Becton Dickinson Co | Citómetro de flujo con ecualización óptica |
-
2017
- 2017-10-05 US US15/725,687 patent/US10591422B2/en active Active
-
2018
- 2018-07-02 IL IL260362A patent/IL260362B2/en unknown
- 2018-10-03 JP JP2018188048A patent/JP7256625B2/ja active Active
- 2018-10-03 EP EP18198519.3A patent/EP3477277A3/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007327889A (ja) | 2006-06-08 | 2007-12-20 | Koito Ind Ltd | 火山灰検知装置および気象状態判定装置 |
US20100288921A1 (en) | 2007-08-08 | 2010-11-18 | Xiaoliang Wang | Size segregated aerosol mass concentration measurement with inlet conditioners and multiple detectors |
WO2017162677A1 (en) | 2016-03-21 | 2017-09-28 | Koninklijke Philips N.V. | Laser sensor for ultra-fine particle size detection |
Also Published As
Publication number | Publication date |
---|---|
US10591422B2 (en) | 2020-03-17 |
EP3477277A2 (en) | 2019-05-01 |
IL260362B2 (en) | 2023-06-01 |
US20190107496A1 (en) | 2019-04-11 |
JP2019090787A (ja) | 2019-06-13 |
EP3477277A3 (en) | 2019-07-31 |
IL260362A (en) | 2018-11-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7256625B2 (ja) | 粒子センサのダイナミック・レンジを広げるための装置および方法 | |
US9983113B2 (en) | Particle counter | |
US10054529B2 (en) | Particle counter | |
US10416069B2 (en) | Particle counter | |
US10705010B2 (en) | Particle counter | |
CN105891075B (zh) | 一种多点协同激光模组及气体检测系统 | |
WO2019244325A1 (ja) | 粒子検出装置 | |
KR20160038389A (ko) | 구름 특성 측정용 라이다 장치 및 구름 특성 측정용 라이다 장치의 동작 방법 | |
US11650323B2 (en) | Meteorological lidar | |
US7675619B2 (en) | Micro-LiDAR velocity, temperature, density, concentration sensor | |
KR100694318B1 (ko) | 단일 에탈론을 이용한 입자군 속도 측정용 다채널 수신광학계 및 이를 구비하는 입자군 속도 측정 장치 | |
US11346773B2 (en) | Fabry-Perot spectrometer-based smoke detector | |
CN112904308A (zh) | 探测云相态及云水含量的激光雷达系统及方法 | |
CN218917631U (zh) | 一种大气探测激光雷达 | |
JP2004037461A (ja) | 光学距離測定デバイス | |
KR101515980B1 (ko) | 바람장 측정과 방사성물질 동시측정 라이다 장치 | |
RU175866U1 (ru) | Облакомер | |
KR102500960B1 (ko) | 미립자 측정 방법 및 미립자 측정 장치 | |
JPH09281134A (ja) | レーザ流速計 | |
CN115774271A (zh) | 一种大气探测激光雷达 | |
RU2231762C2 (ru) | Оптоэлектронный датчик давления | |
BG4239U1 (bg) | Широкоспектърен лидар за сондиране на атмосферен метан | |
JP2005055204A (ja) | 粒子検出器 | |
JPH05142138A (ja) | 粒子検出器 | |
JPH05249129A (ja) | 流速計 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20211004 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220727 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220729 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20221020 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230302 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230331 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7256625 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |