JPH0470678B2 - - Google Patents

Info

Publication number
JPH0470678B2
JPH0470678B2 JP30539786A JP30539786A JPH0470678B2 JP H0470678 B2 JPH0470678 B2 JP H0470678B2 JP 30539786 A JP30539786 A JP 30539786A JP 30539786 A JP30539786 A JP 30539786A JP H0470678 B2 JPH0470678 B2 JP H0470678B2
Authority
JP
Japan
Prior art keywords
circuit
power supply
smoke
detection circuit
pair
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
JP30539786A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63158693A (ja
Inventor
Takashi Suzuki
Hayami Yuasa
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.)
Nittan Co Ltd
Original Assignee
Nittan Co 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 Nittan Co Ltd filed Critical Nittan Co Ltd
Priority to JP30539786A priority Critical patent/JPS63158693A/ja
Publication of JPS63158693A publication Critical patent/JPS63158693A/ja
Publication of JPH0470678B2 publication Critical patent/JPH0470678B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP30539786A 1986-12-23 1986-12-23 光電式煙感知器 Granted JPS63158693A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30539786A JPS63158693A (ja) 1986-12-23 1986-12-23 光電式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30539786A JPS63158693A (ja) 1986-12-23 1986-12-23 光電式煙感知器

Publications (2)

Publication Number Publication Date
JPS63158693A JPS63158693A (ja) 1988-07-01
JPH0470678B2 true JPH0470678B2 (enrdf_load_stackoverflow) 1992-11-11

Family

ID=17944628

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30539786A Granted JPS63158693A (ja) 1986-12-23 1986-12-23 光電式煙感知器

Country Status (1)

Country Link
JP (1) JPS63158693A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS63158693A (ja) 1988-07-01

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees