JPS52116097A - Lock continuity test circuit for anti-and exhasut smoke interlocking c ontrolling device for automatic fire alarm device - Google Patents

Lock continuity test circuit for anti-and exhasut smoke interlocking c ontrolling device for automatic fire alarm device

Info

Publication number
JPS52116097A
JPS52116097A JP3328176A JP3328176A JPS52116097A JP S52116097 A JPS52116097 A JP S52116097A JP 3328176 A JP3328176 A JP 3328176A JP 3328176 A JP3328176 A JP 3328176A JP S52116097 A JPS52116097 A JP S52116097A
Authority
JP
Japan
Prior art keywords
exhasut
ontrolling
test circuit
fire alarm
automatic fire
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
JP3328176A
Other languages
Japanese (ja)
Other versions
JPS6057120B2 (en
Inventor
Shoji 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.)
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 JP3328176A priority Critical patent/JPS6057120B2/en
Publication of JPS52116097A publication Critical patent/JPS52116097A/en
Publication of JPS6057120B2 publication Critical patent/JPS6057120B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)

Abstract

PURPOSE: To obtain the circuit, which detects always and efficiently the unusal condition of fuse, by fitting the diodes, which are connected in parallel between 2 contacting points of the fire relay, and the luminous diodes and the reverse connection circuit of the diodes in the lock and fuse.
COPYRIGHT: (C)1977,JPO&Japio
JP3328176A 1976-03-25 1976-03-25 Lock continuity test circuit for smoke prevention interlocking control device in automatic fire alarm equipment Expired JPS6057120B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3328176A JPS6057120B2 (en) 1976-03-25 1976-03-25 Lock continuity test circuit for smoke prevention interlocking control device in automatic fire alarm equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3328176A JPS6057120B2 (en) 1976-03-25 1976-03-25 Lock continuity test circuit for smoke prevention interlocking control device in automatic fire alarm equipment

Publications (2)

Publication Number Publication Date
JPS52116097A true JPS52116097A (en) 1977-09-29
JPS6057120B2 JPS6057120B2 (en) 1985-12-13

Family

ID=12382135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3328176A Expired JPS6057120B2 (en) 1976-03-25 1976-03-25 Lock continuity test circuit for smoke prevention interlocking control device in automatic fire alarm equipment

Country Status (1)

Country Link
JP (1) JPS6057120B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0414910Y2 (en) * 1985-04-26 1992-04-03

Also Published As

Publication number Publication date
JPS6057120B2 (en) 1985-12-13

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