DE19780261T1 - Regentropfensensor - Google Patents

Regentropfensensor

Info

Publication number
DE19780261T1
DE19780261T1 DE19780261T DE19780261T DE19780261T1 DE 19780261 T1 DE19780261 T1 DE 19780261T1 DE 19780261 T DE19780261 T DE 19780261T DE 19780261 T DE19780261 T DE 19780261T DE 19780261 T1 DE19780261 T1 DE 19780261T1
Authority
DE
Germany
Prior art keywords
raindrop sensor
raindrop
sensor
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.)
Ceased
Application number
DE19780261T
Other languages
English (en)
Inventor
Kohki Ohara
Koichi Hirota
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.)
Aisin Corp
Original Assignee
Aisin Seiki 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 Aisin Seiki Co Ltd filed Critical Aisin Seiki Co Ltd
Publication of DE19780261T1 publication Critical patent/DE19780261T1/de
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/022—Fluid sensors based on microsensors, e.g. quartz crystal-microbalance [QCM], surface acoustic wave [SAW] devices, tuning forks, cantilevers, flexural plate wave [FPW] devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/024—Mixtures
    • G01N2291/02441—Liquids in porous solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0423—Surface waves, e.g. Rayleigh waves, Love waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE19780261T 1996-02-28 1997-02-27 Regentropfensensor Ceased DE19780261T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4168596 1996-02-28
PCT/JP1997/000589 WO1997032206A1 (fr) 1996-02-28 1997-02-27 Detecteur de gouttes de pluie

Publications (1)

Publication Number Publication Date
DE19780261T1 true DE19780261T1 (de) 1998-04-02

Family

ID=12615289

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19780261T Ceased DE19780261T1 (de) 1996-02-28 1997-02-27 Regentropfensensor

Country Status (2)

Country Link
DE (1) DE19780261T1 (de)
WO (1) WO1997032206A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013242202A (ja) * 2012-05-18 2013-12-05 Hitachi-Ge Nuclear Energy Ltd 超音波検査方法及び超音波検査装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3038584B2 (ja) * 1991-11-21 2000-05-08 ニスカ株式会社 超音波による物体検知装置
JPH05262204A (ja) * 1992-03-17 1993-10-12 Mitsubishi Heavy Ind Ltd 曇り除去装置

Also Published As

Publication number Publication date
WO1997032206A1 (fr) 1997-09-04

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8607 Notification of search results after publication
8131 Rejection