JPH0381234U - - Google Patents

Info

Publication number
JPH0381234U
JPH0381234U JP14063189U JP14063189U JPH0381234U JP H0381234 U JPH0381234 U JP H0381234U JP 14063189 U JP14063189 U JP 14063189U JP 14063189 U JP14063189 U JP 14063189U JP H0381234 U JPH0381234 U JP H0381234U
Authority
JP
Japan
Prior art keywords
optical fiber
thin metal
metal tube
barbed
iron wire
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
JP14063189U
Other languages
English (en)
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 JP14063189U priority Critical patent/JPH0381234U/ja
Publication of JPH0381234U publication Critical patent/JPH0381234U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Wire Processing (AREA)
  • Burglar Alarm Systems (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る光フアイバ入り有刺鉄線
の一実施例の側面図、第2図は本実施例で用いて
いる光フアイバ入り金属細径管の一例を示す斜視
図、第3図は本実施例の光フアイバ入り有刺鉄線
における布設状態の一例を示す正面図、第4図は
レーリー散乱の測定装置の一例を示すブロツク図
、第5図はレーリー散乱光のパワー量と光フアイ
バの長さとの関係を示す特性図、第6図は本実施
例の光フアイバ入り有刺鉄線における布設状態の
他の例を示す正面図である。 1……光フアイバ入り有刺鉄線、2……光フア
イバ、3……金属細径管、4……鉄線、4a……
刺部、5……支柱、8……光源、9……方向性結
合器、10……信号処理器、11……デイスプレ
イ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光フアイバ入り金属細径管に鉄線が添わされ、
    前記鉄線により前記光フアイバ入り金属細径管の
    長手方向に所定間隔で刺部が設けられていること
    を特徴とする光フアイバ入り有刺鉄線。
JP14063189U 1989-12-06 1989-12-06 Pending JPH0381234U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14063189U JPH0381234U (ja) 1989-12-06 1989-12-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14063189U JPH0381234U (ja) 1989-12-06 1989-12-06

Publications (1)

Publication Number Publication Date
JPH0381234U true JPH0381234U (ja) 1991-08-20

Family

ID=31687584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14063189U Pending JPH0381234U (ja) 1989-12-06 1989-12-06

Country Status (1)

Country Link
JP (1) JPH0381234U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006172339A (ja) * 2004-12-20 2006-06-29 Comsec:Kk 侵入検知センサー、および侵入検知システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006172339A (ja) * 2004-12-20 2006-06-29 Comsec:Kk 侵入検知センサー、および侵入検知システム

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