JPS5256980A - Photoelectric smoke sensor - Google Patents

Photoelectric smoke sensor

Info

Publication number
JPS5256980A
JPS5256980A JP13245475A JP13245475A JPS5256980A JP S5256980 A JPS5256980 A JP S5256980A JP 13245475 A JP13245475 A JP 13245475A JP 13245475 A JP13245475 A JP 13245475A JP S5256980 A JPS5256980 A JP S5256980A
Authority
JP
Japan
Prior art keywords
smoke sensor
photoelectric smoke
photoelectric
sensor
smoke
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
JP13245475A
Other languages
Japanese (ja)
Other versions
JPS5612813B2 (en
Inventor
Masatoshi Matsui
Takeshi Satou
Yasumasa Teraoka
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.)
FUYOU BOUSAI KOUGIYOU KK
Original Assignee
FUYOU BOUSAI KOUGIYOU KK
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 FUYOU BOUSAI KOUGIYOU KK filed Critical FUYOU BOUSAI KOUGIYOU KK
Priority to JP13245475A priority Critical patent/JPS5256980A/en
Publication of JPS5256980A publication Critical patent/JPS5256980A/en
Publication of JPS5612813B2 publication Critical patent/JPS5612813B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP13245475A 1975-11-06 1975-11-06 Photoelectric smoke sensor Granted JPS5256980A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13245475A JPS5256980A (en) 1975-11-06 1975-11-06 Photoelectric smoke sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13245475A JPS5256980A (en) 1975-11-06 1975-11-06 Photoelectric smoke sensor

Publications (2)

Publication Number Publication Date
JPS5256980A true JPS5256980A (en) 1977-05-10
JPS5612813B2 JPS5612813B2 (en) 1981-03-24

Family

ID=15081722

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13245475A Granted JPS5256980A (en) 1975-11-06 1975-11-06 Photoelectric smoke sensor

Country Status (1)

Country Link
JP (1) JPS5256980A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56152394U (en) * 1980-04-11 1981-11-14
JPS63113698A (en) * 1986-10-30 1988-05-18 オムロン株式会社 Flickering detection circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56152394U (en) * 1980-04-11 1981-11-14
JPS63113698A (en) * 1986-10-30 1988-05-18 オムロン株式会社 Flickering detection circuit

Also Published As

Publication number Publication date
JPS5612813B2 (en) 1981-03-24

Similar Documents

Publication Publication Date Title
GB2059128B (en) Photoelectric smoke sensors
IL50235A (en) Optical sensors
GB1550149A (en) Direct gas sensors
JPS51150288A (en) Video sensor
JPS5252591A (en) Photoelectric device
JPS54105899A (en) Smoke sensor
GB1556822A (en) Detectors
JPS5363093A (en) Smoke sensor
AU1550176A (en) Photodiode smoke detector
JPS5515550A (en) Smoke sensor
JPS5583839A (en) Smoke sensor
JPS5392192A (en) Smoke sensor
GB1548282A (en) Smoke detector
JPS5258949A (en) Photoelectric position detector
GB1539865A (en) Smoke detectors
JPS5256981A (en) Photoelectric smoke sensor
JPS5256980A (en) Photoelectric smoke sensor
JPS5582396A (en) Smoke sensor
JPS51122389A (en) Photoelectric device
JPS5264297A (en) Fire sensor
JPS5258982A (en) Smoke detecting circuit for photoelectric smoke sensor
JPS5592994A (en) Photoelectric smoke sensor
JPS5320988A (en) Photoelectric smoke detecting system
JPS5578397A (en) Smoke sensor
JPS5578396A (en) Smoke sensor