JPH02145495U - - Google Patents
Info
- Publication number
- JPH02145495U JPH02145495U JP5161489U JP5161489U JPH02145495U JP H02145495 U JPH02145495 U JP H02145495U JP 5161489 U JP5161489 U JP 5161489U JP 5161489 U JP5161489 U JP 5161489U JP H02145495 U JPH02145495 U JP H02145495U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- head
- engaging
- dark box
- removably attached
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 210000000078 claw Anatomy 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
- 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 |
|---|---|---|---|
| JP1989051614U JP2506481Y2 (ja) | 1989-05-02 | 1989-05-02 | 光電式煙感知器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989051614U JP2506481Y2 (ja) | 1989-05-02 | 1989-05-02 | 光電式煙感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02145495U true JPH02145495U (en]) | 1990-12-10 |
| JP2506481Y2 JP2506481Y2 (ja) | 1996-08-07 |
Family
ID=31571205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989051614U Expired - Lifetime JP2506481Y2 (ja) | 1989-05-02 | 1989-05-02 | 光電式煙感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2506481Y2 (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014197275A (ja) * | 2013-03-29 | 2014-10-16 | 能美防災株式会社 | 光電式煙感知器 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5818149A (ja) * | 1981-07-24 | 1983-02-02 | Hochiki Corp | 減光式煙感知器 |
| JPS63208999A (ja) * | 1987-02-26 | 1988-08-30 | ホーチキ株式会社 | 煙感知器のカバ−嵌合構造 |
-
1989
- 1989-05-02 JP JP1989051614U patent/JP2506481Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5818149A (ja) * | 1981-07-24 | 1983-02-02 | Hochiki Corp | 減光式煙感知器 |
| JPS63208999A (ja) * | 1987-02-26 | 1988-08-30 | ホーチキ株式会社 | 煙感知器のカバ−嵌合構造 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014197275A (ja) * | 2013-03-29 | 2014-10-16 | 能美防災株式会社 | 光電式煙感知器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2506481Y2 (ja) | 1996-08-07 |