JPS51127699A - Glass breakage detector - Google Patents

Glass breakage detector

Info

Publication number
JPS51127699A
JPS51127699A JP50051507A JP5150775A JPS51127699A JP S51127699 A JPS51127699 A JP S51127699A JP 50051507 A JP50051507 A JP 50051507A JP 5150775 A JP5150775 A JP 5150775A JP S51127699 A JPS51127699 A JP S51127699A
Authority
JP
Japan
Prior art keywords
glass breakage
breakage detector
glass
detector
misdetection
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
JP50051507A
Other languages
English (en)
Other versions
JPS5640878B2 (ja
Inventor
Kenjiyu Muraoka
Masahiko Ikeguchi
Yoshitaka Marui
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.)
Nagoya Electric Works Co Ltd
Original Assignee
Nagoya Electric Works Co 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 Nagoya Electric Works Co Ltd filed Critical Nagoya Electric Works Co Ltd
Priority to JP50051507A priority Critical patent/JPS51127699A/ja
Publication of JPS51127699A publication Critical patent/JPS51127699A/ja
Publication of JPS5640878B2 publication Critical patent/JPS5640878B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
JP50051507A 1975-04-30 1975-04-30 Glass breakage detector Granted JPS51127699A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50051507A JPS51127699A (en) 1975-04-30 1975-04-30 Glass breakage detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50051507A JPS51127699A (en) 1975-04-30 1975-04-30 Glass breakage detector

Publications (2)

Publication Number Publication Date
JPS51127699A true JPS51127699A (en) 1976-11-06
JPS5640878B2 JPS5640878B2 (ja) 1981-09-24

Family

ID=12888898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50051507A Granted JPS51127699A (en) 1975-04-30 1975-04-30 Glass breakage detector

Country Status (1)

Country Link
JP (1) JPS51127699A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57108154U (ja) * 1980-12-25 1982-07-03
JPS57114963U (ja) * 1981-01-07 1982-07-16
JPS63136913U (ja) * 1987-02-27 1988-09-08
JPH01160386U (ja) * 1988-04-26 1989-11-07

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991284U (ja) * 1972-11-29 1974-08-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991284U (ja) * 1972-11-29 1974-08-07

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57108154U (ja) * 1980-12-25 1982-07-03
JPS57114963U (ja) * 1981-01-07 1982-07-16
JPS63136913U (ja) * 1987-02-27 1988-09-08
JPH0422977Y2 (ja) * 1987-02-27 1992-05-27
JPH01160386U (ja) * 1988-04-26 1989-11-07

Also Published As

Publication number Publication date
JPS5640878B2 (ja) 1981-09-24

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