JPS5258982A - Smoke detecting circuit for photoelectric smoke sensor - Google Patents

Smoke detecting circuit for photoelectric smoke sensor

Info

Publication number
JPS5258982A
JPS5258982A JP13597975A JP13597975A JPS5258982A JP S5258982 A JPS5258982 A JP S5258982A JP 13597975 A JP13597975 A JP 13597975A JP 13597975 A JP13597975 A JP 13597975A JP S5258982 A JPS5258982 A JP S5258982A
Authority
JP
Japan
Prior art keywords
smoke
detecting circuit
photoelectric
sensor
smoke sensor
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.)
Pending
Application number
JP13597975A
Other languages
Japanese (ja)
Inventor
Kensaburou Tanemura
Yoshiharu Suzuki
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 JP13597975A priority Critical patent/JPS5258982A/en
Publication of JPS5258982A publication Critical patent/JPS5258982A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP13597975A 1975-11-11 1975-11-11 Smoke detecting circuit for photoelectric smoke sensor Pending JPS5258982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13597975A JPS5258982A (en) 1975-11-11 1975-11-11 Smoke detecting circuit for photoelectric smoke sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13597975A JPS5258982A (en) 1975-11-11 1975-11-11 Smoke detecting circuit for photoelectric smoke sensor

Publications (1)

Publication Number Publication Date
JPS5258982A true JPS5258982A (en) 1977-05-14

Family

ID=15164338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13597975A Pending JPS5258982A (en) 1975-11-11 1975-11-11 Smoke detecting circuit for photoelectric smoke sensor

Country Status (1)

Country Link
JP (1) JPS5258982A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562537A (en) * 1979-06-20 1981-01-12 Matsushita Electric Ind Co Ltd Smoke detector
JPS595398A (en) * 1982-06-30 1984-01-12 松下電工株式会社 Photoelectric smoke sensor
JP2009129319A (en) * 2007-11-27 2009-06-11 Nohmi Bosai Ltd Extinction fire detector
JPWO2023238849A1 (en) * 2022-06-09 2023-12-14

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4870592A (en) * 1971-12-23 1973-09-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4870592A (en) * 1971-12-23 1973-09-25

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562537A (en) * 1979-06-20 1981-01-12 Matsushita Electric Ind Co Ltd Smoke detector
JPS595398A (en) * 1982-06-30 1984-01-12 松下電工株式会社 Photoelectric smoke sensor
JP2009129319A (en) * 2007-11-27 2009-06-11 Nohmi Bosai Ltd Extinction fire detector
JPWO2023238849A1 (en) * 2022-06-09 2023-12-14

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