JPS6479620A - Ultrasonic liquid-level meter - Google Patents

Ultrasonic liquid-level meter

Info

Publication number
JPS6479620A
JPS6479620A JP62238153A JP23815387A JPS6479620A JP S6479620 A JPS6479620 A JP S6479620A JP 62238153 A JP62238153 A JP 62238153A JP 23815387 A JP23815387 A JP 23815387A JP S6479620 A JPS6479620 A JP S6479620A
Authority
JP
Japan
Prior art keywords
signal
output
wave
liquid
vco
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.)
Pending
Application number
JP62238153A
Other languages
English (en)
Inventor
Naoyuki Omatoi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP62238153A priority Critical patent/JPS6479620A/ja
Publication of JPS6479620A publication Critical patent/JPS6479620A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP62238153A 1987-09-22 1987-09-22 Ultrasonic liquid-level meter Pending JPS6479620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62238153A JPS6479620A (en) 1987-09-22 1987-09-22 Ultrasonic liquid-level meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62238153A JPS6479620A (en) 1987-09-22 1987-09-22 Ultrasonic liquid-level meter

Publications (1)

Publication Number Publication Date
JPS6479620A true JPS6479620A (en) 1989-03-24

Family

ID=17025983

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62238153A Pending JPS6479620A (en) 1987-09-22 1987-09-22 Ultrasonic liquid-level meter

Country Status (1)

Country Link
JP (1) JPS6479620A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4929303A (en) * 1987-03-11 1990-05-29 Exxon Chemical Patents Inc. Composite breathable housewrap films
JPH04259824A (ja) * 1991-02-15 1992-09-16 Kaijo Corp 懸濁異物の界面測定装置
US6843949B2 (en) 1996-07-31 2005-01-18 Tredegar Film Products Corporation Process for adjusting WVTR and other properties of a polyolefin film
US6953510B1 (en) 1998-10-16 2005-10-11 Tredegar Film Products Corporation Method of making microporous breathable film

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5690215A (en) * 1979-12-25 1981-07-22 Fueroo Kogyo Kk Ultrasonic measurement device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5690215A (en) * 1979-12-25 1981-07-22 Fueroo Kogyo Kk Ultrasonic measurement device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4929303A (en) * 1987-03-11 1990-05-29 Exxon Chemical Patents Inc. Composite breathable housewrap films
JPH04259824A (ja) * 1991-02-15 1992-09-16 Kaijo Corp 懸濁異物の界面測定装置
US6843949B2 (en) 1996-07-31 2005-01-18 Tredegar Film Products Corporation Process for adjusting WVTR and other properties of a polyolefin film
US6953510B1 (en) 1998-10-16 2005-10-11 Tredegar Film Products Corporation Method of making microporous breathable film

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