JP2536246Y2 - ガラス破壊検知器 - Google Patents

ガラス破壊検知器

Info

Publication number
JP2536246Y2
JP2536246Y2 JP1989087623U JP8762389U JP2536246Y2 JP 2536246 Y2 JP2536246 Y2 JP 2536246Y2 JP 1989087623 U JP1989087623 U JP 1989087623U JP 8762389 U JP8762389 U JP 8762389U JP 2536246 Y2 JP2536246 Y2 JP 2536246Y2
Authority
JP
Japan
Prior art keywords
glass
detector
detection
piezoelectric element
mechanical vibration
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.)
Expired - Lifetime
Application number
JP1989087623U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0327344U (enExample
Inventor
亮 森本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
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

  • Emergency Alarm Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Burglar Alarm Systems (AREA)
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 JPH0327344U (enExample) 1991-03-19
JP2536246Y2 true 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 (enExample)

Family Cites Families (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
JPH0327344U (enExample) 1991-03-19

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