JPH01172189U - - Google Patents
Info
- Publication number
- JPH01172189U JPH01172189U JP6521088U JP6521088U JPH01172189U JP H01172189 U JPH01172189 U JP H01172189U JP 6521088 U JP6521088 U JP 6521088U JP 6521088 U JP6521088 U JP 6521088U JP H01172189 U JPH01172189 U JP H01172189U
- Authority
- JP
- Japan
- Prior art keywords
- detector
- fire
- cover
- fire detector
- reducing device
- 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
- 238000011109 contamination Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fire Alarms (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988065210U JPH0650076Y2 (ja) | 1988-05-19 | 1988-05-19 | 火災検知器の汚損軽減装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988065210U JPH0650076Y2 (ja) | 1988-05-19 | 1988-05-19 | 火災検知器の汚損軽減装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01172189U true JPH01172189U (en]) | 1989-12-06 |
| JPH0650076Y2 JPH0650076Y2 (ja) | 1994-12-14 |
Family
ID=31290651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988065210U Expired - Lifetime JPH0650076Y2 (ja) | 1988-05-19 | 1988-05-19 | 火災検知器の汚損軽減装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0650076Y2 (en]) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001243568A (ja) * | 2000-02-29 | 2001-09-07 | Nohmi Bosai Ltd | 炎検知器 |
| JP2021012724A (ja) * | 2020-10-08 | 2021-02-04 | ホーチキ株式会社 | 火災検知器 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5535610U (en]) * | 1978-08-25 | 1980-03-07 | ||
| JPS6155788U (en]) * | 1984-09-12 | 1986-04-15 |
-
1988
- 1988-05-19 JP JP1988065210U patent/JPH0650076Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5535610U (en]) * | 1978-08-25 | 1980-03-07 | ||
| JPS6155788U (en]) * | 1984-09-12 | 1986-04-15 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001243568A (ja) * | 2000-02-29 | 2001-09-07 | Nohmi Bosai Ltd | 炎検知器 |
| JP2021012724A (ja) * | 2020-10-08 | 2021-02-04 | ホーチキ株式会社 | 火災検知器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0650076Y2 (ja) | 1994-12-14 |