JPS53128731A - Life detection method of battery for smoke detector - Google Patents

Life detection method of battery for smoke detector

Info

Publication number
JPS53128731A
JPS53128731A JP4271477A JP4271477A JPS53128731A JP S53128731 A JPS53128731 A JP S53128731A JP 4271477 A JP4271477 A JP 4271477A JP 4271477 A JP4271477 A JP 4271477A JP S53128731 A JPS53128731 A JP S53128731A
Authority
JP
Japan
Prior art keywords
battery
detection method
smoke detector
life detection
life
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
JP4271477A
Other languages
Japanese (ja)
Other versions
JPS5928272B2 (en
Inventor
Hiroshi Tagashira
Hiroshi Tanaka
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 JP52042714A priority Critical patent/JPS5928272B2/en
Publication of JPS53128731A publication Critical patent/JPS53128731A/en
Publication of JPS5928272B2 publication Critical patent/JPS5928272B2/en
Expired legal-status Critical Current

Links

Classifications

    • Y02E60/12—

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Secondary Cells (AREA)
JP52042714A 1977-04-15 1977-04-15 Life detection method for batteries for smoke detectors Expired JPS5928272B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52042714A JPS5928272B2 (en) 1977-04-15 1977-04-15 Life detection method for batteries for smoke detectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52042714A JPS5928272B2 (en) 1977-04-15 1977-04-15 Life detection method for batteries for smoke detectors

Publications (2)

Publication Number Publication Date
JPS53128731A true JPS53128731A (en) 1978-11-10
JPS5928272B2 JPS5928272B2 (en) 1984-07-11

Family

ID=12643728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52042714A Expired JPS5928272B2 (en) 1977-04-15 1977-04-15 Life detection method for batteries for smoke detectors

Country Status (1)

Country Link
JP (1) JPS5928272B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55162066A (en) * 1979-06-04 1980-12-17 Sanyo Electric Co Ltd Battery checker
JPS55166048A (en) * 1979-06-12 1980-12-24 Sanyo Electric Co Ltd Level comparator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55162066A (en) * 1979-06-04 1980-12-17 Sanyo Electric Co Ltd Battery checker
JPS55166048A (en) * 1979-06-12 1980-12-24 Sanyo Electric Co Ltd Level comparator

Also Published As

Publication number Publication date
JPS5928272B2 (en) 1984-07-11

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