JPH02120028U - - Google Patents

Info

Publication number
JPH02120028U
JPH02120028U JP2894889U JP2894889U JPH02120028U JP H02120028 U JPH02120028 U JP H02120028U JP 2894889 U JP2894889 U JP 2894889U JP 2894889 U JP2894889 U JP 2894889U JP H02120028 U JPH02120028 U JP H02120028U
Authority
JP
Japan
Prior art keywords
opening
cavity
microphone
case
detection circuit
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
JP2894889U
Other languages
English (en)
Japanese (ja)
Other versions
JP2507655Y2 (ja
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 filed Critical
Priority to JP1989028948U priority Critical patent/JP2507655Y2/ja
Priority to EP19890112499 priority patent/EP0350074B1/en
Priority to CA 605094 priority patent/CA1335000C/en
Priority to DE1989624449 priority patent/DE68924449T2/de
Publication of JPH02120028U publication Critical patent/JPH02120028U/ja
Priority to US07/743,515 priority patent/US5309760A/en
Application granted granted Critical
Publication of JP2507655Y2 publication Critical patent/JP2507655Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
JP1989028948U 1988-07-07 1989-03-14 体積測定装置 Expired - Lifetime JP2507655Y2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1989028948U JP2507655Y2 (ja) 1989-03-14 1989-03-14 体積測定装置
EP19890112499 EP0350074B1 (en) 1988-07-07 1989-07-07 Method and apparatus for measuring the content of a storage vessel
CA 605094 CA1335000C (en) 1988-07-07 1989-07-07 Method and apparatus for measuring the content of a storage vessel
DE1989624449 DE68924449T2 (de) 1988-07-07 1989-07-07 Verfahren und Vorrichtung zur Messung des Inhaltes eines Vorratsbehälters.
US07/743,515 US5309760A (en) 1988-07-07 1991-08-12 Method and apparatus for measuring the content of a storage vessel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989028948U JP2507655Y2 (ja) 1989-03-14 1989-03-14 体積測定装置

Publications (2)

Publication Number Publication Date
JPH02120028U true JPH02120028U (en]) 1990-09-27
JP2507655Y2 JP2507655Y2 (ja) 1996-08-14

Family

ID=31252728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989028948U Expired - Lifetime JP2507655Y2 (ja) 1988-07-07 1989-03-14 体積測定装置

Country Status (1)

Country Link
JP (1) JP2507655Y2 (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014020823A (ja) * 2012-07-13 2014-02-03 Yazaki Corp 内容量推定装置及びそれを有する内容量推定システム
CN114046850A (zh) * 2021-11-17 2022-02-15 怀化南岭民用爆破服务有限公司 一种用于提高检测精度的双层储罐储液量检测装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59164916A (ja) * 1983-03-11 1984-09-18 Yasushi Ishii 容積計
JPS62175622A (ja) * 1985-11-16 1987-08-01 ヴアルテル、ニコライ 貯蔵液体又は固体原料の量を決定して指示するための方法及び装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59164916A (ja) * 1983-03-11 1984-09-18 Yasushi Ishii 容積計
JPS62175622A (ja) * 1985-11-16 1987-08-01 ヴアルテル、ニコライ 貯蔵液体又は固体原料の量を決定して指示するための方法及び装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014020823A (ja) * 2012-07-13 2014-02-03 Yazaki Corp 内容量推定装置及びそれを有する内容量推定システム
CN114046850A (zh) * 2021-11-17 2022-02-15 怀化南岭民用爆破服务有限公司 一种用于提高检测精度的双层储罐储液量检测装置

Also Published As

Publication number Publication date
JP2507655Y2 (ja) 1996-08-14

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