JPS5786043A - Sludge searcher - Google Patents

Sludge searcher

Info

Publication number
JPS5786043A
JPS5786043A JP55162132A JP16213280A JPS5786043A JP S5786043 A JPS5786043 A JP S5786043A JP 55162132 A JP55162132 A JP 55162132A JP 16213280 A JP16213280 A JP 16213280A JP S5786043 A JPS5786043 A JP S5786043A
Authority
JP
Japan
Prior art keywords
circuit
difference
time
pulse
ultrasonic
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.)
Granted
Application number
JP55162132A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6339843B2 (enrdf_load_stackoverflow
Inventor
Hideyuki Takahashi
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP55162132A priority Critical patent/JPS5786043A/ja
Publication of JPS5786043A publication Critical patent/JPS5786043A/ja
Publication of JPS6339843B2 publication Critical patent/JPS6339843B2/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
    • 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects

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)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
JP55162132A 1980-11-18 1980-11-18 Sludge searcher Granted JPS5786043A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55162132A JPS5786043A (en) 1980-11-18 1980-11-18 Sludge searcher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55162132A JPS5786043A (en) 1980-11-18 1980-11-18 Sludge searcher

Publications (2)

Publication Number Publication Date
JPS5786043A true JPS5786043A (en) 1982-05-28
JPS6339843B2 JPS6339843B2 (enrdf_load_stackoverflow) 1988-08-08

Family

ID=15748640

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55162132A Granted JPS5786043A (en) 1980-11-18 1980-11-18 Sludge searcher

Country Status (1)

Country Link
JP (1) JPS5786043A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6111679A (ja) * 1984-06-27 1986-01-20 Nec Corp 磁気記録媒体検査方法
DE102021116911A1 (de) 2021-06-30 2023-01-05 Endress+Hauser Conducta Gmbh+Co. Kg Trennschichtsensor sowie Betriebsverfahren eines Trennschichtsensors

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7188717B1 (ja) * 2022-03-14 2022-12-13 株式会社人材開発支援機構 ヘドロ厚測定方法およびヘドロ厚測定装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4924372U (enrdf_load_stackoverflow) * 1972-06-01 1974-03-01
JPS4927285A (enrdf_load_stackoverflow) * 1973-03-29 1974-03-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4924372U (enrdf_load_stackoverflow) * 1972-06-01 1974-03-01
JPS4927285A (enrdf_load_stackoverflow) * 1973-03-29 1974-03-11

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6111679A (ja) * 1984-06-27 1986-01-20 Nec Corp 磁気記録媒体検査方法
DE102021116911A1 (de) 2021-06-30 2023-01-05 Endress+Hauser Conducta Gmbh+Co. Kg Trennschichtsensor sowie Betriebsverfahren eines Trennschichtsensors

Also Published As

Publication number Publication date
JPS6339843B2 (enrdf_load_stackoverflow) 1988-08-08

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