JPS5365696A - Smoke sensor of scattering light system - Google Patents

Smoke sensor of scattering light system

Info

Publication number
JPS5365696A
JPS5365696A JP14155276A JP14155276A JPS5365696A JP S5365696 A JPS5365696 A JP S5365696A JP 14155276 A JP14155276 A JP 14155276A JP 14155276 A JP14155276 A JP 14155276A JP S5365696 A JPS5365696 A JP S5365696A
Authority
JP
Japan
Prior art keywords
light system
smoke sensor
scattering light
smoke
giving
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
JP14155276A
Other languages
Japanese (ja)
Inventor
Yoshihiko Okuda
Tsunehiko Araki
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 JP14155276A priority Critical patent/JPS5365696A/en
Publication of JPS5365696A publication Critical patent/JPS5365696A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To ensure a smoke sensing with no effect of black and white of the smoke by setting the scattering angle to 90° or less and also giving an intermittent light emission to the light emitting element.
COPYRIGHT: (C)1978,JPO&Japio
JP14155276A 1976-11-24 1976-11-24 Smoke sensor of scattering light system Pending JPS5365696A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14155276A JPS5365696A (en) 1976-11-24 1976-11-24 Smoke sensor of scattering light system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14155276A JPS5365696A (en) 1976-11-24 1976-11-24 Smoke sensor of scattering light system

Publications (1)

Publication Number Publication Date
JPS5365696A true JPS5365696A (en) 1978-06-12

Family

ID=15294609

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14155276A Pending JPS5365696A (en) 1976-11-24 1976-11-24 Smoke sensor of scattering light system

Country Status (1)

Country Link
JP (1) JPS5365696A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59221640A (en) * 1983-05-31 1984-12-13 Matsushita Electric Works Ltd Smoke sensor
US5587790A (en) * 1993-09-07 1996-12-24 Hochiki Corporation Light scattering type smoke detector having an improved zero-point level
GB2401936A (en) * 2003-05-23 2004-11-24 Apollo Fire Detectors Ltd Light sensor for smoke detector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59221640A (en) * 1983-05-31 1984-12-13 Matsushita Electric Works Ltd Smoke sensor
US5587790A (en) * 1993-09-07 1996-12-24 Hochiki Corporation Light scattering type smoke detector having an improved zero-point level
GB2401936A (en) * 2003-05-23 2004-11-24 Apollo Fire Detectors Ltd Light sensor for smoke detector

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