JP2503421Y2 - 光電式煙感知器 - Google Patents

光電式煙感知器

Info

Publication number
JP2503421Y2
JP2503421Y2 JP1988047860U JP4786088U JP2503421Y2 JP 2503421 Y2 JP2503421 Y2 JP 2503421Y2 JP 1988047860 U JP1988047860 U JP 1988047860U JP 4786088 U JP4786088 U JP 4786088U JP 2503421 Y2 JP2503421 Y2 JP 2503421Y2
Authority
JP
Japan
Prior art keywords
transistor
light
collector
pulsed light
circuit
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
JP1988047860U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01151394U (enExample
Inventor
晃一 中尾
一成 森末
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 JP1988047860U priority Critical patent/JP2503421Y2/ja
Publication of JPH01151394U publication Critical patent/JPH01151394U/ja
Application granted granted Critical
Publication of JP2503421Y2 publication Critical patent/JP2503421Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP1988047860U 1988-04-08 1988-04-08 光電式煙感知器 Expired - Lifetime JP2503421Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988047860U JP2503421Y2 (ja) 1988-04-08 1988-04-08 光電式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988047860U JP2503421Y2 (ja) 1988-04-08 1988-04-08 光電式煙感知器

Publications (2)

Publication Number Publication Date
JPH01151394U JPH01151394U (enExample) 1989-10-19
JP2503421Y2 true JP2503421Y2 (ja) 1996-07-03

Family

ID=31274037

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988047860U Expired - Lifetime JP2503421Y2 (ja) 1988-04-08 1988-04-08 光電式煙感知器

Country Status (1)

Country Link
JP (1) JP2503421Y2 (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62197893A (ja) * 1986-02-26 1987-09-01 三洋電機株式会社 煙感知器

Also Published As

Publication number Publication date
JPH01151394U (enExample) 1989-10-19

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