JPH0116233Y2 - - Google Patents

Info

Publication number
JPH0116233Y2
JPH0116233Y2 JP1982105553U JP10555382U JPH0116233Y2 JP H0116233 Y2 JPH0116233 Y2 JP H0116233Y2 JP 1982105553 U JP1982105553 U JP 1982105553U JP 10555382 U JP10555382 U JP 10555382U JP H0116233 Y2 JPH0116233 Y2 JP H0116233Y2
Authority
JP
Japan
Prior art keywords
low frequency
frequency component
monitoring area
test
jack
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
Application number
JP1982105553U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5911386U (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 JP10555382U priority Critical patent/JPS5911386U/ja
Publication of JPS5911386U publication Critical patent/JPS5911386U/ja
Application granted granted Critical
Publication of JPH0116233Y2 publication Critical patent/JPH0116233Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
JP10555382U 1982-07-14 1982-07-14 防犯装置 Granted JPS5911386U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10555382U JPS5911386U (ja) 1982-07-14 1982-07-14 防犯装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10555382U JPS5911386U (ja) 1982-07-14 1982-07-14 防犯装置

Publications (2)

Publication Number Publication Date
JPS5911386U JPS5911386U (ja) 1984-01-24
JPH0116233Y2 true JPH0116233Y2 (en:Method) 1989-05-12

Family

ID=30247358

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10555382U Granted JPS5911386U (ja) 1982-07-14 1982-07-14 防犯装置

Country Status (1)

Country Link
JP (1) JPS5911386U (en:Method)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803599A (en) * 1972-01-26 1974-04-09 Johnson Service Co Motion detection system
JPS55159295A (en) * 1979-05-30 1980-12-11 Matsushita Electric Works Ltd Detector operation display unit

Also Published As

Publication number Publication date
JPS5911386U (ja) 1984-01-24

Similar Documents

Publication Publication Date Title
US9506833B2 (en) Ultrasonic gas leak detectors and testing methods
CA2501140A1 (en) Method and apparatus for indicating activation of a smoke detector alarm
CA2196256A1 (en) Fastener Characterization with an Electromagnetic Acoustic Transducer
JPS61501230A (ja) 侵入報知器のための試験装置
GB361284A (en) Improvements in or relating to distance or depth finding apparatus
DE60017182D1 (de) Apparat zum ermitteln und melden ungünstiger bedingungen
CN110363995A (zh) 一种车辆存在综合检测系统及其检测方法
US6097296A (en) Apparatus and method for detecting tornadoes
US20020021224A1 (en) Testing device for operation testing of a temperature sensor of an alarm or an alarm and a method of operation testing of an alarm
US3238457A (en) Signal to noise ratio monitor
CN106132046A (zh) 一种安全型传感照明系统及方法
JPH0116233Y2 (en:Method)
CN201210339Y (zh) 基于加速度传感器的地震烈度报警装置
JPS5819060B2 (ja) チヨウオンパザイリヨウシケンホウホウ オヨビ ソウチ
KR830008343A (ko) 산업 플랜트 음향 감시방법과 장치
US4088989A (en) Intrusion detection apparatus
CN105190718B (zh) 火灾报警器
JP2002055092A (ja) 構造物診断方法および構造物診断装置
US5621600A (en) Inductive short finder
CN207908710U (zh) 一种带有倾斜检测的金属探测器
CN220915380U (zh) 一种音响系统线路检测预警装置
US4552022A (en) Sound discriminator tester
JPH0498125A (ja) 超音波を利用して液面を検出する方法および装置
JPS5825224B2 (ja) 油入電器の局部過熱位置の標定方法
JP2802757B2 (ja) 火災報知機の試験装置