JPH057760B2 - - Google Patents

Info

Publication number
JPH057760B2
JPH057760B2 JP58226025A JP22602583A JPH057760B2 JP H057760 B2 JPH057760 B2 JP H057760B2 JP 58226025 A JP58226025 A JP 58226025A JP 22602583 A JP22602583 A JP 22602583A JP H057760 B2 JPH057760 B2 JP H057760B2
Authority
JP
Japan
Prior art keywords
light
level
emitting element
receiving
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.)
Expired - Lifetime
Application number
JP58226025A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60118999A (ja
Inventor
Atsushi Yamada
Kazumasa Murakami
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 JP22602583A priority Critical patent/JPS60118999A/ja
Publication of JPS60118999A publication Critical patent/JPS60118999A/ja
Publication of JPH057760B2 publication Critical patent/JPH057760B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP22602583A 1983-11-30 1983-11-30 煙感知器 Granted JPS60118999A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22602583A JPS60118999A (ja) 1983-11-30 1983-11-30 煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22602583A JPS60118999A (ja) 1983-11-30 1983-11-30 煙感知器

Publications (2)

Publication Number Publication Date
JPS60118999A JPS60118999A (ja) 1985-06-26
JPH057760B2 true JPH057760B2 (enEXAMPLES) 1993-01-29

Family

ID=16838603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22602583A Granted JPS60118999A (ja) 1983-11-30 1983-11-30 煙感知器

Country Status (1)

Country Link
JP (1) JPS60118999A (enEXAMPLES)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1246922A (zh) * 1997-12-09 2000-03-08 松下电器产业株式会社 旋光度测定装置和尿检查方法
JP7479177B2 (ja) * 2020-03-30 2024-05-08 能美防災株式会社 炎検知システム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53105197A (en) * 1977-02-24 1978-09-13 Matsushita Electric Works Ltd Signal processing circuit for fire senfor
JPS5580199A (en) * 1978-12-11 1980-06-17 Matsushita Electric Industrial Co Ltd Smoke sensor
JPS5924479B2 (ja) * 1979-07-26 1984-06-09 松下電器産業株式会社 光電式煙感知器
JPS57180234A (en) * 1981-04-30 1982-11-06 Tokyo Juki Ind Co Ltd Malfunction preventing circuit for photodetector

Also Published As

Publication number Publication date
JPS60118999A (ja) 1985-06-26

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