JPS52134496A - Method to confirm error action of smoke detector - Google Patents

Method to confirm error action of smoke detector

Info

Publication number
JPS52134496A
JPS52134496A JP5082476A JP5082476A JPS52134496A JP S52134496 A JPS52134496 A JP S52134496A JP 5082476 A JP5082476 A JP 5082476A JP 5082476 A JP5082476 A JP 5082476A JP S52134496 A JPS52134496 A JP S52134496A
Authority
JP
Japan
Prior art keywords
smoke detector
error action
confirm error
confirm
action
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
JP5082476A
Other languages
Japanese (ja)
Other versions
JPS5732839B2 (en
Inventor
Yuji Yamamoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5082476A priority Critical patent/JPS52134496A/en
Publication of JPS52134496A publication Critical patent/JPS52134496A/en
Publication of JPS5732839B2 publication Critical patent/JPS5732839B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Alarm Systems (AREA)

Abstract

PURPOSE: To provide the countermeasure against error notification of the smoke detector without restricting and enforcing its sensing level to too low a level.
COPYRIGHT: (C)1977,JPO&Japio
JP5082476A 1976-05-06 1976-05-06 Method to confirm error action of smoke detector Granted JPS52134496A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5082476A JPS52134496A (en) 1976-05-06 1976-05-06 Method to confirm error action of smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5082476A JPS52134496A (en) 1976-05-06 1976-05-06 Method to confirm error action of smoke detector

Publications (2)

Publication Number Publication Date
JPS52134496A true JPS52134496A (en) 1977-11-10
JPS5732839B2 JPS5732839B2 (en) 1982-07-13

Family

ID=12869507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5082476A Granted JPS52134496A (en) 1976-05-06 1976-05-06 Method to confirm error action of smoke detector

Country Status (1)

Country Link
JP (1) JPS52134496A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832926A (en) * 1981-08-21 1983-02-26 Kubota Ltd Engine abnormality judging method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832926A (en) * 1981-08-21 1983-02-26 Kubota Ltd Engine abnormality judging method
JPS6227251B2 (en) * 1981-08-21 1987-06-13 Kubota Tetsuko Kk

Also Published As

Publication number Publication date
JPS5732839B2 (en) 1982-07-13

Similar Documents

Publication Publication Date Title
JPS5231699A (en) Fire senser
JPS5250646A (en) Interference evasion system of control memory
JPS52149036A (en) Detection method for memory capacity
JPS5220899A (en) Coin conveying error detection system
JPS52134496A (en) Method to confirm error action of smoke detector
JPS5362933A (en) Pattern input device capable of confirmation for input data
JPS5347614A (en) Control system for magnetically suspended and driven vehicle
JPS5333552A (en) Retry function confirmation system for data processor
JPS5322722A (en) Pc m signal processing unit
JPS52112251A (en) Suitability decision system for microprogram
JPS522300A (en) Alarm system for preventing thieves
JPS5319763A (en) Mark detector in electron beam exposure
JPS5310841A (en) Ground-fault detector
JPS52109344A (en) Trouble detecting method of micro-program control device
JPS52114869A (en) Fault detector of analogue controller
JPS5295138A (en) Data processing system
JPS51151192A (en) Smoke or gas density detector
JPS52123896A (en) Detection circuit of disconnection of fire sensing circuit
JPS5260600A (en) Smoke sensing system
JPS5376786A (en) Receiver of fire alarm system
JPS51141600A (en) Fire detecting equipment
JPS5351776A (en) Saturation detector
JPS5417723A (en) Checking method of expulsion of originals of copying machines
JPS5336281A (en) Velocity detector
JPS51134544A (en) Locking system of control unit output