JPH0550800B2 - - Google Patents

Info

Publication number
JPH0550800B2
JPH0550800B2 JP62143365A JP14336587A JPH0550800B2 JP H0550800 B2 JPH0550800 B2 JP H0550800B2 JP 62143365 A JP62143365 A JP 62143365A JP 14336587 A JP14336587 A JP 14336587A JP H0550800 B2 JPH0550800 B2 JP H0550800B2
Authority
JP
Japan
Prior art keywords
transmission
transmission line
circuit
line
central monitoring
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 - Fee Related
Application number
JP62143365A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63308698A (ja
Inventor
Tetsuo Kimura
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.)
Nittan Co Ltd
Original Assignee
Nittan 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 Nittan Co Ltd filed Critical Nittan Co Ltd
Priority to JP62143365A priority Critical patent/JPS63308698A/ja
Publication of JPS63308698A publication Critical patent/JPS63308698A/ja
Publication of JPH0550800B2 publication Critical patent/JPH0550800B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
  • Small-Scale Networks (AREA)
JP62143365A 1987-06-10 1987-06-10 警報装置の伝送線路切り離し回路 Granted JPS63308698A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62143365A JPS63308698A (ja) 1987-06-10 1987-06-10 警報装置の伝送線路切り離し回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62143365A JPS63308698A (ja) 1987-06-10 1987-06-10 警報装置の伝送線路切り離し回路

Publications (2)

Publication Number Publication Date
JPS63308698A JPS63308698A (ja) 1988-12-16
JPH0550800B2 true JPH0550800B2 (2) 1993-07-29

Family

ID=15337090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62143365A Granted JPS63308698A (ja) 1987-06-10 1987-06-10 警報装置の伝送線路切り離し回路

Country Status (1)

Country Link
JP (1) JPS63308698A (2)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5859285B2 (ja) * 2011-11-21 2016-02-10 能美防災株式会社 火災報知設備及びそれに利用する火災感知器
KR101399025B1 (ko) * 2014-02-13 2014-05-30 비아이산업(주) 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템

Also Published As

Publication number Publication date
JPS63308698A (ja) 1988-12-16

Similar Documents

Publication Publication Date Title
US4206449A (en) Multiple sensor intrusion alarm system
JPH0518159B2 (2)
AU592104B2 (en) Emergency supervisory system
US4016360A (en) System for remotely checking equipment
US5801913A (en) Isolation circuitry
US4118750A (en) Vital relay operating circuit
GB2158277A (en) Continuous security alarm for current consuming equipments
US3525988A (en) Electronic annunciator circuit
US4219803A (en) Two-wire fire sensing and receiving system
JPS63308698A (ja) 警報装置の伝送線路切り離し回路
JP2571804Y2 (ja) 火災報知機の線路切り離し回路
US3683362A (en) Protective relay using an indicator and alarm circuit
JPS59122046A (ja) 局識別装置
US3587082A (en) Holdup alarm system
US3611338A (en) Fail-safe pulse train monitor
JPS62229394A (ja) 異常警報装置
JPS6320599A (ja) 警報装置用の検出器
JPS5815839B2 (ja) 火災警報装置
CA1139859A (en) Alarm system
JPH0471238B2 (2)
JPS6347990Y2 (2)
JPS6319098A (ja) 線路異常監視システム
RU1795493C (ru) Устройство пожарной сигнализации
JPH026478B2 (2)
JPS6170695A (ja) 警報装置の中継器

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees