JPH0423739B2 - - Google Patents

Info

Publication number
JPH0423739B2
JPH0423739B2 JP1317185A JP1317185A JPH0423739B2 JP H0423739 B2 JPH0423739 B2 JP H0423739B2 JP 1317185 A JP1317185 A JP 1317185A JP 1317185 A JP1317185 A JP 1317185A JP H0423739 B2 JPH0423739 B2 JP H0423739B2
Authority
JP
Japan
Prior art keywords
light
level
rain
receiving
reflected
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.)
Expired
Application number
JP1317185A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61172032A (ja
Inventor
Iesato Sato
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.)
Meisei Electric Co Ltd
Original Assignee
Meisei Electric 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 Meisei Electric Co Ltd filed Critical Meisei Electric Co Ltd
Priority to JP1317185A priority Critical patent/JPS61172032A/ja
Publication of JPS61172032A publication Critical patent/JPS61172032A/ja
Publication of JPH0423739B2 publication Critical patent/JPH0423739B2/ja
Granted legal-status Critical Current

Links

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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP1317185A 1985-01-25 1985-01-25 光学的雨雪判別装置 Granted JPS61172032A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1317185A JPS61172032A (ja) 1985-01-25 1985-01-25 光学的雨雪判別装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1317185A JPS61172032A (ja) 1985-01-25 1985-01-25 光学的雨雪判別装置

Publications (2)

Publication Number Publication Date
JPS61172032A JPS61172032A (ja) 1986-08-02
JPH0423739B2 true JPH0423739B2 (enrdf_load_stackoverflow) 1992-04-23

Family

ID=11825730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1317185A Granted JPS61172032A (ja) 1985-01-25 1985-01-25 光学的雨雪判別装置

Country Status (1)

Country Link
JP (1) JPS61172032A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0254193A (ja) * 1988-08-18 1990-02-23 Japan Radio Co Ltd 降雨降雪識別方法及び装置
JPH0774780B2 (ja) * 1988-09-21 1995-08-09 日本無線株式会社 降雨降雪判別センサ
CA2000049C (en) * 1988-10-05 1995-08-22 Christian Werner Lidar arrangement for measuring atmospheric turbidities
JPH02300691A (ja) * 1989-05-16 1990-12-12 Japan Radio Co Ltd 降雨降雪測定用受信装置
JPH02300690A (ja) * 1989-05-16 1990-12-12 Japan Radio Co Ltd 降雨降雪測定装置
JPH02300689A (ja) * 1989-05-16 1990-12-12 Japan Radio Co Ltd 降雨降雪測定装置
FI90596C (fi) * 1991-04-22 1994-02-25 Vaisala Oy Menetelmä ja laitteisto vallitsevan sään meteorologisen näkyvyyden mittaamiseksi
FR2714971B1 (fr) * 1994-01-13 1996-03-22 Sextant Avionique Capteur de mesure de la concentration en eau liquide dans un gaz en mouvement.

Also Published As

Publication number Publication date
JPS61172032A (ja) 1986-08-02

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Legal Events

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EXPY Cancellation because of completion of term