JPH0438526U - - Google Patents

Info

Publication number
JPH0438526U
JPH0438526U JP8056790U JP8056790U JPH0438526U JP H0438526 U JPH0438526 U JP H0438526U JP 8056790 U JP8056790 U JP 8056790U JP 8056790 U JP8056790 U JP 8056790U JP H0438526 U JPH0438526 U JP H0438526U
Authority
JP
Japan
Prior art keywords
heating element
temperature distribution
optical fiber
power supply
water
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
JP8056790U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0723702Y2 (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 JP8056790U priority Critical patent/JPH0723702Y2/ja
Publication of JPH0438526U publication Critical patent/JPH0438526U/ja
Application granted granted Critical
Publication of JPH0723702Y2 publication Critical patent/JPH0723702Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
JP8056790U 1990-07-31 1990-07-31 光ファイバを用いた水位検知装置 Expired - Fee Related JPH0723702Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8056790U JPH0723702Y2 (ja) 1990-07-31 1990-07-31 光ファイバを用いた水位検知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8056790U JPH0723702Y2 (ja) 1990-07-31 1990-07-31 光ファイバを用いた水位検知装置

Publications (2)

Publication Number Publication Date
JPH0438526U true JPH0438526U (cs) 1992-03-31
JPH0723702Y2 JPH0723702Y2 (ja) 1995-05-31

Family

ID=31625747

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8056790U Expired - Fee Related JPH0723702Y2 (ja) 1990-07-31 1990-07-31 光ファイバを用いた水位検知装置

Country Status (1)

Country Link
JP (1) JPH0723702Y2 (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114295177A (zh) * 2021-12-31 2022-04-08 北京景通科信科技有限公司 一种基于分布式光纤的井巷水位探测方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3497989B2 (ja) * 1998-04-16 2004-02-16 財団法人河川情報センター 湿潤度分布測定方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114295177A (zh) * 2021-12-31 2022-04-08 北京景通科信科技有限公司 一种基于分布式光纤的井巷水位探测方法

Also Published As

Publication number Publication date
JPH0723702Y2 (ja) 1995-05-31

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees