JPH0119199B2 - - Google Patents

Info

Publication number
JPH0119199B2
JPH0119199B2 JP55155713A JP15571380A JPH0119199B2 JP H0119199 B2 JPH0119199 B2 JP H0119199B2 JP 55155713 A JP55155713 A JP 55155713A JP 15571380 A JP15571380 A JP 15571380A JP H0119199 B2 JPH0119199 B2 JP H0119199B2
Authority
JP
Japan
Prior art keywords
light
section
light receiving
emitting element
output
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
Application number
JP55155713A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5779597A (en
Inventor
Kazunari Morisue
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 JP15571380A priority Critical patent/JPS5779597A/ja
Publication of JPS5779597A publication Critical patent/JPS5779597A/ja
Publication of JPH0119199B2 publication Critical patent/JPH0119199B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP15571380A 1980-10-31 1980-10-31 Photoelectric smoke sensor Granted JPS5779597A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15571380A JPS5779597A (en) 1980-10-31 1980-10-31 Photoelectric smoke sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15571380A JPS5779597A (en) 1980-10-31 1980-10-31 Photoelectric smoke sensor

Publications (2)

Publication Number Publication Date
JPS5779597A JPS5779597A (en) 1982-05-18
JPH0119199B2 true JPH0119199B2 (enrdf_load_html_response) 1989-04-10

Family

ID=15611863

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15571380A Granted JPS5779597A (en) 1980-10-31 1980-10-31 Photoelectric smoke sensor

Country Status (1)

Country Link
JP (1) JPS5779597A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03245296A (ja) * 1990-02-23 1991-10-31 Oki Denki Bosai Kk 煙感知器の試験方法及び煙感知器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5389484A (en) * 1977-01-18 1978-08-07 Toshiba Electric Equip Photo detector
JPS5643732Y2 (enrdf_load_html_response) * 1977-08-05 1981-10-13

Also Published As

Publication number Publication date
JPS5779597A (en) 1982-05-18

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