JPH052183B2 - - Google Patents

Info

Publication number
JPH052183B2
JPH052183B2 JP60168413A JP16841385A JPH052183B2 JP H052183 B2 JPH052183 B2 JP H052183B2 JP 60168413 A JP60168413 A JP 60168413A JP 16841385 A JP16841385 A JP 16841385A JP H052183 B2 JPH052183 B2 JP H052183B2
Authority
JP
Japan
Prior art keywords
light
receiving element
emitting element
output signal
detection
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 - Lifetime
Application number
JP60168413A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6228642A (ja
Inventor
Kunio Okazaki
Shigeru Kimura
Toshiaki Ikeda
Tooru Tanabe
Masamitsu Ichikawa
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.)
PPONDA GIKEN KOGYO KK
SUTANREE DENKI KK
Original Assignee
PPONDA GIKEN KOGYO KK
SUTANREE DENKI KK
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 PPONDA GIKEN KOGYO KK, SUTANREE DENKI KK filed Critical PPONDA GIKEN KOGYO KK
Priority to JP60168413A priority Critical patent/JPS6228642A/ja
Publication of JPS6228642A publication Critical patent/JPS6228642A/ja
Publication of JPH052183B2 publication Critical patent/JPH052183B2/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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle

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)
JP60168413A 1985-07-30 1985-07-30 水滴検出方法 Granted JPS6228642A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60168413A JPS6228642A (ja) 1985-07-30 1985-07-30 水滴検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60168413A JPS6228642A (ja) 1985-07-30 1985-07-30 水滴検出方法

Publications (2)

Publication Number Publication Date
JPS6228642A JPS6228642A (ja) 1987-02-06
JPH052183B2 true JPH052183B2 (en]) 1993-01-11

Family

ID=15867663

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60168413A Granted JPS6228642A (ja) 1985-07-30 1985-07-30 水滴検出方法

Country Status (1)

Country Link
JP (1) JPS6228642A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005098404A1 (ja) * 2004-03-30 2005-10-20 Yamatake Corporation 検出面上状態検出装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2869418B1 (fr) * 2004-04-27 2006-06-16 Atmel Grenoble Soc Par Actions Procede et dispositif de mesure avec detection synchrone et echantillonnage correle
WO2007000187A1 (en) * 2005-06-28 2007-01-04 Robert Bosch Gmbh Sensor arrangement for detecting a liquid on a surface
KR100981196B1 (ko) * 2008-07-23 2010-09-10 한국오므론전장주식회사 프리즘 매개형 레인센서
US8271198B2 (en) * 2009-08-28 2012-09-18 Hydreon Corporation Optical moisture sensor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59209937A (ja) * 1983-05-13 1984-11-28 Nissan Motor Co Ltd ワイパ制御装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005098404A1 (ja) * 2004-03-30 2005-10-20 Yamatake Corporation 検出面上状態検出装置
US7380980B2 (en) 2004-03-30 2008-06-03 Yamatake Corporation Detector for detecting state on detection surface

Also Published As

Publication number Publication date
JPS6228642A (ja) 1987-02-06

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