JPH0370700U - - Google Patents

Info

Publication number
JPH0370700U
JPH0370700U JP12926889U JP12926889U JPH0370700U JP H0370700 U JPH0370700 U JP H0370700U JP 12926889 U JP12926889 U JP 12926889U JP 12926889 U JP12926889 U JP 12926889U JP H0370700 U JPH0370700 U JP H0370700U
Authority
JP
Japan
Prior art keywords
light
receiver
emitter
smoke
frame
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.)
Granted
Application number
JP12926889U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0726795Y2 (ja
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 filed Critical
Priority to JP1989129268U priority Critical patent/JPH0726795Y2/ja
Publication of JPH0370700U publication Critical patent/JPH0370700U/ja
Application granted granted Critical
Publication of JPH0726795Y2 publication Critical patent/JPH0726795Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
JP1989129268U 1989-11-07 1989-11-07 透過光式煙検知器 Expired - Lifetime JPH0726795Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989129268U JPH0726795Y2 (ja) 1989-11-07 1989-11-07 透過光式煙検知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989129268U JPH0726795Y2 (ja) 1989-11-07 1989-11-07 透過光式煙検知器

Publications (2)

Publication Number Publication Date
JPH0370700U true JPH0370700U (US20090163788A1-20090625-C00002.png) 1991-07-16
JPH0726795Y2 JPH0726795Y2 (ja) 1995-06-14

Family

ID=31676907

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989129268U Expired - Lifetime JPH0726795Y2 (ja) 1989-11-07 1989-11-07 透過光式煙検知器

Country Status (1)

Country Link
JP (1) JPH0726795Y2 (US20090163788A1-20090625-C00002.png)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49129937A (US20090163788A1-20090625-C00002.png) * 1973-04-20 1974-12-12
JPS5154974U (US20090163788A1-20090625-C00002.png) * 1974-10-25 1976-04-27
JPS5189398A (US20090163788A1-20090625-C00002.png) * 1975-02-03 1976-08-05
JPS538888U (US20090163788A1-20090625-C00002.png) * 1976-07-07 1978-01-25
JPS5921788U (ja) * 1982-07-30 1984-02-09 松下電工株式会社 光線式報知器の構造体

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49129937A (US20090163788A1-20090625-C00002.png) * 1973-04-20 1974-12-12
JPS5154974U (US20090163788A1-20090625-C00002.png) * 1974-10-25 1976-04-27
JPS5189398A (US20090163788A1-20090625-C00002.png) * 1975-02-03 1976-08-05
JPS538888U (US20090163788A1-20090625-C00002.png) * 1976-07-07 1978-01-25
JPS5921788U (ja) * 1982-07-30 1984-02-09 松下電工株式会社 光線式報知器の構造体

Also Published As

Publication number Publication date
JPH0726795Y2 (ja) 1995-06-14

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