JPH03127989U - - Google Patents
Info
- Publication number
- JPH03127989U JPH03127989U JP3492690U JP3492690U JPH03127989U JP H03127989 U JPH03127989 U JP H03127989U JP 3492690 U JP3492690 U JP 3492690U JP 3492690 U JP3492690 U JP 3492690U JP H03127989 U JPH03127989 U JP H03127989U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- optical chamber
- base
- smoke detector
- photoelectric smoke
- 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
- 230000003287 optical effect Effects 0.000 claims description 14
- 239000000779 smoke Substances 0.000 claims 6
- 210000000078 claw Anatomy 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3492690U JP2515205Y2 (ja) | 1990-03-30 | 1990-03-30 | 光電式煙感知器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3492690U JP2515205Y2 (ja) | 1990-03-30 | 1990-03-30 | 光電式煙感知器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03127989U true JPH03127989U (el) | 1991-12-24 |
| JP2515205Y2 JP2515205Y2 (ja) | 1996-10-30 |
Family
ID=31539831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3492690U Expired - Lifetime JP2515205Y2 (ja) | 1990-03-30 | 1990-03-30 | 光電式煙感知器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2515205Y2 (el) |
-
1990
- 1990-03-30 JP JP3492690U patent/JP2515205Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2515205Y2 (ja) | 1996-10-30 |