JPH0341395U - - Google Patents
Info
- Publication number
- JPH0341395U JPH0341395U JP14767989U JP14767989U JPH0341395U JP H0341395 U JPH0341395 U JP H0341395U JP 14767989 U JP14767989 U JP 14767989U JP 14767989 U JP14767989 U JP 14767989U JP H0341395 U JPH0341395 U JP H0341395U
- Authority
- JP
- Japan
- Prior art keywords
- printed board
- light
- head
- dark box
- smoke detector
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims 3
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 241000238631 Hexapoda Species 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989147679U JP2528862Y2 (ja) | 1989-05-12 | 1989-12-25 | 光電式煙感知器 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5391889 | 1989-05-12 | ||
JP1-53918 | 1989-05-12 | ||
JP1989147679U JP2528862Y2 (ja) | 1989-05-12 | 1989-12-25 | 光電式煙感知器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0341395U true JPH0341395U (en]) | 1991-04-19 |
JP2528862Y2 JP2528862Y2 (ja) | 1997-03-12 |
Family
ID=31718114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989147679U Expired - Fee Related JP2528862Y2 (ja) | 1989-05-12 | 1989-12-25 | 光電式煙感知器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2528862Y2 (en]) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011215678A (ja) * | 2010-03-31 | 2011-10-27 | Nohmi Bosai Ltd | 光電式煙感知器 |
JP2011215683A (ja) * | 2010-03-31 | 2011-10-27 | Nohmi Bosai Ltd | 光電式煙感知器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6448057A (en) * | 1987-08-18 | 1989-02-22 | Dainippon Screen Mfg | Printing device |
JPH02227800A (ja) * | 1989-02-28 | 1990-09-10 | Hochiki Corp | 光電式煙感知器 |
-
1989
- 1989-12-25 JP JP1989147679U patent/JP2528862Y2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6448057A (en) * | 1987-08-18 | 1989-02-22 | Dainippon Screen Mfg | Printing device |
JPH02227800A (ja) * | 1989-02-28 | 1990-09-10 | Hochiki Corp | 光電式煙感知器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011215678A (ja) * | 2010-03-31 | 2011-10-27 | Nohmi Bosai Ltd | 光電式煙感知器 |
JP2011215683A (ja) * | 2010-03-31 | 2011-10-27 | Nohmi Bosai Ltd | 光電式煙感知器 |
Also Published As
Publication number | Publication date |
---|---|
JP2528862Y2 (ja) | 1997-03-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |