JPH0423740B2 - - Google Patents

Info

Publication number
JPH0423740B2
JPH0423740B2 JP1684385A JP1684385A JPH0423740B2 JP H0423740 B2 JPH0423740 B2 JP H0423740B2 JP 1684385 A JP1684385 A JP 1684385A JP 1684385 A JP1684385 A JP 1684385A JP H0423740 B2 JPH0423740 B2 JP H0423740B2
Authority
JP
Japan
Prior art keywords
light
level
intensity
snowfall
pulses
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
JP1684385A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61175550A (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 JP1684385A priority Critical patent/JPS61175550A/ja
Publication of JPS61175550A publication Critical patent/JPS61175550A/ja
Publication of JPH0423740B2 publication Critical patent/JPH0423740B2/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)
JP1684385A 1985-01-31 1985-01-31 光学的降雨・降雪強度計測方法及び装置 Granted JPS61175550A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1684385A JPS61175550A (ja) 1985-01-31 1985-01-31 光学的降雨・降雪強度計測方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1684385A JPS61175550A (ja) 1985-01-31 1985-01-31 光学的降雨・降雪強度計測方法及び装置

Publications (2)

Publication Number Publication Date
JPS61175550A JPS61175550A (ja) 1986-08-07
JPH0423740B2 true JPH0423740B2 (enrdf_load_stackoverflow) 1992-04-23

Family

ID=11927486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1684385A Granted JPS61175550A (ja) 1985-01-31 1985-01-31 光学的降雨・降雪強度計測方法及び装置

Country Status (1)

Country Link
JP (1) JPS61175550A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH02300688A (ja) * 1989-05-16 1990-12-12 Japan Radio Co Ltd 降雨降雪測定装置
JPH0619479B2 (ja) * 1990-11-08 1994-03-16 日本無線株式会社 雨、雪及び霧の識別方法及び装置
JP4701222B2 (ja) * 2007-09-25 2011-06-15 新潟電機株式会社 降雪強度計測方法及び降雪強度計測装置
JP2009290694A (ja) * 2008-05-30 2009-12-10 Fujifilm Corp 撮像装置
CN113721306B (zh) * 2021-09-28 2023-08-25 重庆宗申通用动力机械有限公司 天气判断装置
JP7154459B1 (ja) * 2021-12-14 2022-10-17 三菱電機株式会社 センサシステム

Also Published As

Publication number Publication date
JPS61175550A (ja) 1986-08-07

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EXPY Cancellation because of completion of term