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
Links
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
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 |
DE1989624449 DE68924449T2 (de) | 1988-07-07 | 1989-07-07 | Verfahren und Vorrichtung zur Messung des Inhaltes eines Vorratsbehälters. |
CA 605094 CA1335000C (en) | 1988-07-07 | 1989-07-07 | Method and apparatus for measuring the content of a storage vessel |
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 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
Cited By (2)
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)
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 |
-
1989
- 1989-03-14 JP JP1989028948U patent/JP2507655Y2/ja not_active Expired - Lifetime
Patent Citations (2)
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)
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 |