JPH0327344U - - Google Patents

Info

Publication number
JPH0327344U
JPH0327344U JP8762389U JP8762389U JPH0327344U JP H0327344 U JPH0327344 U JP H0327344U JP 8762389 U JP8762389 U JP 8762389U JP 8762389 U JP8762389 U JP 8762389U JP H0327344 U JPH0327344 U JP H0327344U
Authority
JP
Japan
Prior art keywords
glass
detector
piezoelectric element
detection surface
glass breakage
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
JP8762389U
Other languages
English (en)
Other versions
JP2536246Y2 (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 JP1989087623U priority Critical patent/JP2536246Y2/ja
Publication of JPH0327344U publication Critical patent/JPH0327344U/ja
Application granted granted Critical
Publication of JP2536246Y2 publication Critical patent/JP2536246Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)

Description

【図面の簡単な説明】
第1図は本考案のガラス破壊検知器の縦断面図
、第1a図はその検知面とガラス面との接着状態
を示した拡大断面図、第2図aは検知面の凹凸の
溝の深さと接着面積との関係を示したグラフ、第
2図bは検知面の凹凸の溝の深さと圧電素子の感
度との関係を示したグラフ、第3図はガラス破壊
検知器の取付状態の説明図、第4図はその縦断面
図、第5図はその内部の信号処理回路の構成を示
すブロツク図である。 符号の説明、2……圧電素子、1……ガラス破
壊検知器、11……検知器ベース、3……ガラス
面、11b……検知面。

Claims (1)

    【実用新案登録請求の範囲】
  1. 圧電素子を内蔵したガラス破壊検知器において
    、その検知器ベースのガラス面に接着される検知
    面を凹凸面に形成したことを特徴とする、ガラス
    破壊検知器。
JP1989087623U 1989-07-26 1989-07-26 ガラス破壊検知器 Expired - Lifetime JP2536246Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989087623U JP2536246Y2 (ja) 1989-07-26 1989-07-26 ガラス破壊検知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989087623U JP2536246Y2 (ja) 1989-07-26 1989-07-26 ガラス破壊検知器

Publications (2)

Publication Number Publication Date
JPH0327344U true JPH0327344U (ja) 1991-03-19
JP2536246Y2 JP2536246Y2 (ja) 1997-05-21

Family

ID=31637268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989087623U Expired - Lifetime JP2536246Y2 (ja) 1989-07-26 1989-07-26 ガラス破壊検知器

Country Status (1)

Country Link
JP (1) JP2536246Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59183629U (ja) * 1983-05-25 1984-12-06 日本セラミツク株式会社 振動検出器のハウジングの構造

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59183629U (ja) * 1983-05-25 1984-12-06 日本セラミツク株式会社 振動検出器のハウジングの構造

Also Published As

Publication number Publication date
JP2536246Y2 (ja) 1997-05-21

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