JPS6351218U - - Google Patents

Info

Publication number
JPS6351218U
JPS6351218U JP14402386U JP14402386U JPS6351218U JP S6351218 U JPS6351218 U JP S6351218U JP 14402386 U JP14402386 U JP 14402386U JP 14402386 U JP14402386 U JP 14402386U JP S6351218 U JPS6351218 U JP S6351218U
Authority
JP
Japan
Prior art keywords
sediment outflow
infrared receiver
outflow section
infrared
alarm
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
JP14402386U
Other languages
English (en)
Japanese (ja)
Other versions
JPH055454Y2 (enrdf_load_stackoverflow
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 JP1986144023U priority Critical patent/JPH055454Y2/ja
Publication of JPS6351218U publication Critical patent/JPS6351218U/ja
Application granted granted Critical
Publication of JPH055454Y2 publication Critical patent/JPH055454Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Emergency Alarm Devices (AREA)
JP1986144023U 1986-09-22 1986-09-22 Expired - Lifetime JPH055454Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986144023U JPH055454Y2 (enrdf_load_stackoverflow) 1986-09-22 1986-09-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986144023U JPH055454Y2 (enrdf_load_stackoverflow) 1986-09-22 1986-09-22

Publications (2)

Publication Number Publication Date
JPS6351218U true JPS6351218U (enrdf_load_stackoverflow) 1988-04-06
JPH055454Y2 JPH055454Y2 (enrdf_load_stackoverflow) 1993-02-12

Family

ID=31054251

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986144023U Expired - Lifetime JPH055454Y2 (enrdf_load_stackoverflow) 1986-09-22 1986-09-22

Country Status (1)

Country Link
JP (1) JPH055454Y2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009052215A (ja) * 2007-08-23 2009-03-12 Hokuriku Regional Development Bureau Ministry Land Infrastructure & Transport 土石流堰止構造体築造箇所における安全確保方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52105837U (enrdf_load_stackoverflow) * 1976-02-03 1977-08-11
JPS56157862A (en) * 1980-05-09 1981-12-05 Omron Tateisi Electronics Co Natural disaster detector
JPS60230329A (ja) * 1984-04-27 1985-11-15 オプテツクス株式会社 赤外線式光電スイツチ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52105837U (enrdf_load_stackoverflow) * 1976-02-03 1977-08-11
JPS56157862A (en) * 1980-05-09 1981-12-05 Omron Tateisi Electronics Co Natural disaster detector
JPS60230329A (ja) * 1984-04-27 1985-11-15 オプテツクス株式会社 赤外線式光電スイツチ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009052215A (ja) * 2007-08-23 2009-03-12 Hokuriku Regional Development Bureau Ministry Land Infrastructure & Transport 土石流堰止構造体築造箇所における安全確保方法

Also Published As

Publication number Publication date
JPH055454Y2 (enrdf_load_stackoverflow) 1993-02-12

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